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QUESTION 1
In computer networking a multicast address is an identifier for a group of hosts that have joined a multicast group. Multicast addressing can be used in the Link Layer (OSI Layer 2), such as Ethernet Multicast, as well as at the Internet Layer (OSI Layer 3) as IPv4 or IPv6 Multicast. Which two descriptions are correct regarding multicast addressing? ( choose two )
A. The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value that indicates a multicast application.
B. The last 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reserved value that indicates a multicast application.
C. To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address into the last 24 bits of the MAC address. The high-order bit is set to 0.
D. The first 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reserved value that indicates a multicast application.
Correct Answer: CD

QUESTION 2
When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful. What is the next thing that should be checked? 300-135 pdf
A. Verify that the EIGRP hello and hold timers match exactly.
B. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.
C. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.
D. Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.
Correct Answer: D

QUESTION 3
Refer to the exhibit.
300-135 dumps
How would you confirm on R1 that load balancing is actually occurring on the default- network (0.0.0.0)? 300-135 dumps
A. Use ping and the show ip route command to confirm the timers for each default network resets to 0.
B. Load balancing does not occur over default networks; the second route will only be used for failover.
C. Use an extended ping along with repeated show ip route commands to confirm the gateway of last resort address toggles back and forth.
D. Use the traceroute command to an address that is not explicitly in the routing table.
Correct Answer: D

QUESTION 4
You have 2 NTP servers in your network – 10.1.1.1 and 10.1.1.2. You want to configure a Cisco router to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which commands will you use to configure the router?
A. ntp server 10.1.1.1
ntp server 10.1.1.2
B. ntp server 10.1.1.1
ntp server 10.1.1.2 primary
C. ntp server 10.1.1.1
ntp server 10.1.1.2 prefer
D. ntp server 10.1.1.1 fallback
ntp server 10.1.1.2
Correct Answer: C

QUESTION 5
What level of logging is enabled on a Router where the following logs are seen?
%LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up 300-135 dumps
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
A. alerts
B. critical
C. errors
D. notifications
Correct Answer: D

QUESTION 6
Refer to the shown below.
%LINK-3-UPDOWN: Interface Serial0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up
What statement is correct regarding the output shown in the graphic?
A. These two log messages will not have a severity level. They are not errors but are just informational messages.
B. The first log message is categorized as a warning message.
C. These messages regarding interface status are normal output and will always be displayed when you exit config mode.
D. The first log message is an error message with a severity level of 3.
E. The second message would be shown if the logging console warning command had been issued.
Correct Answer: D

QUESTION 7
The implementations group has been using the test bed to do a `proof-of-concept’. After several changes to the network addressing, routing schemes, a trouble ticket has been opened indicating that the loopback address on R1 (2026::111:1) is not able to ping the loopback address on DSW2(2026::102:1).
Use the supported commands to isolated the cause of this fault and answer the following questions.
On which device is the fault condition located?
A. R1
B. R2
C. R3
D. R4
E. DSW1
F. DSW2
G. ASW1
H. ASW2
Correct Answer: B

QUESTION 8
The implementations group has been using the test bed to do a `proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 300-135 dumps
Use the supported commands to isolated the cause of this fault and answer the following questions.
What is the solution to the fault condition?
A. Enable OSPF authentication on the s0/0/0 interface using the ip ospf authentication message-digest command
B. Enable OSPF routing on the s0/0/0 interface using the network 10.1.1.0 0.0.0.255 area 12 command.
C. Enable OSPF routing on the s0/0/0 interface using the network 209.65.200.0 0.0.0.255 area 12 command.
D. Redistribute the BGP route into OSPF using the redistribute BGP 65001 subnet command.
Correct Answer: A

QUESTION 9
The implementations group has been using the test bed to do a `proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address.
Use the supported commands to isolated the cause of this fault and answer the following questions.
What is the solution to the fault condition?
A. Under the interface Serial0/0/0 configuration enter the ip nat inside command.
B. Under the interface Serial0/0/0 configuration enter the ip nat outside command.
C. Under the ip access-list standard nat_trafic configuration enter the permit 10.2.0.0 0.0.255.255 command.
D. Under the ip access-list standard nat_trafic configuration enter the permit 209.65.200.0 0.0.0.255
command.
Correct Answer: C

QUESTION 10
The implementations group has been using the test bed to do a `proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address. 300-135 pdf
Use the supported commands to isolated the cause of this fault and answer the following questions.
The fault condition is related to which technology?
A. Under the global configuration mode enter no access-list 10 command.
B. Under the global configuration mode enter no access-map vlan 10 command.
C. Under the global configuration mode enter no vlan access-map test1 10 command.
D. Under the global configuration mode enter no vlan filter test1 vlan-list 10 command.
Correct Answer: C

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QUESTION 1
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?
A. This command should be executed from the global configuration mode.
B. The IP address 10.121.16.8 is the local router port used to forward data.
C. 102 is the remote DLCI that will receive the information.
D. This command is required for all Frame Relay configurations.
E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.
Correct Answer: E

QUESTION 2
What are two drawbacks of implementing a link-state routing protocol? (Choose two.)
A. the sequencing and acknowledgment of link-state packets
B. the requirement for a hierarchical IP addressing scheme for optimal functionality
C. the high volume of link-state advertisements in a converged network
D. the high demand on router resources to run the link-state routing algorithm
E. the large size of the topology table listing all advertised routes in the converged network
Correct Answer: BD

QUESTION 3
Refer to the exhibit.
200-155
Which three EIGRP routes will be present in the router R4’s routing table? (Choose three.) 200-155
A. 172.16.1.0/24
B. 10.1.10.0/30
C. 10.0.0.0/8
D. 10.1.11.0/30
E. 172.16.0.0/16
F. 192.168.1.0/24
Correct Answer: CEF

QUESTION 4
Which command is used to display the collection of OSPF link states?
A. show ip ospf link-state
B. show ip ospf lsa database
C. show ip ospf neighbors
D. show ip ospf database
Correct Answer: D

QUESTION 5
The following configuration is applied to a Layer 2 Switch:
interface fastethernet 0/4            200-155
switchport mode access
switchport port-security
switchport port-security mac-address 0000.1111.1111
switchport port-security maximum 2
swithcport port-security
What is the result of the above configuration being applied to the switch?
A. A host with a mac address of 0000.1111.1111 and up to two other hosts can connect to FastEthernet 0/4 simultaneously
B. A host with a mac address of 0000.1111.1111 and one other host can connect to Fast Ethernet 0/4 simultaneously
C. Violating addresses are dropped and no record of the violation is kept
D. The switch can send an SNMP message to the network management station
E. The port is effectively shutdown
Correct Answer: BD

QUESTION 6
In GLBP, which router will respond to client ARP requests?
A. The active virtual gateway will reply with one of four possible virtual MAC addresses.
B. All GLBP member routers will reply in round-robin fashion.
C. The active virtual gateway will reply with its own hardware MAC address.
D. The GLBP member routers will reply with one of four possible burned in hardware addresses.
Correct Answer: A

QUESTION 7
What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow? (Choose three.)
A. source IP address
B. source MAC address
C. egress interface
D. ingress interface
E. destination IP address
F. IP next-hop
Correct Answer: ADE

QUESTION 8
What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)
A. hello packets
B. SAP messages sent by other routers
C. LSAs from other routers
D. beacons received on point-to-point links
E. routing tables received from other link-state routers
F. TTL packets from designated routers
Correct Answer: AC

QUESTION 9
What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two.)
A. It requires the use of ARP.
B. It can support multiple IPv6 subnets on a single link.
C. It supports up to 2 instances of OSPFv3 over a common link.
D. It routes over links rather than over networks.
Correct Answer: BD

QUESTION 10
What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)  200-155
A. They create split-horizon issues.
B. They require a unique subnet within a routing domain.
C. They emulate leased lines.
D. They are ideal for full-mesh topologies.
E. They require the use of NBMA options when using OSPF.
Correct Answer: BC

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QUESTION 1
A cloud administrator for an enterprise organization must create and deploy a web application in the private cloud of the organization. The environment consists of two web servers: one application server and one database server. The application stack should be available only to Internet traffic while keeping the database and application server completely secure.
Which Cisco UCS Director component should the administrator use to simplify this task?
A. fenced application containers
B. vApp containers
C. VM containers
D. application containers
Answer: C

QUESTION 2
Which option lists the different container types available in Cisco UCS Director under Menu Bar > Solutions > VACS Container?
A. Cisco VACS 3 Tier (Internal), Cisco VACS 3 Tier (External), Cisco VACS Custom Container
B. Cisco VACS 3 Tier (Inbound), Cisco VACS 2 Tier (Outbound), Cisco VACS Dual Container
C. Cisco VACS 4 Tier (Internal), Cisco VACS 4 Tier (External), Cisco VACS Custom Container
D. Cisco VACS 4 Tier (Inbound), Cisco VACS 4 Tier (Outbound), Cisco VACS Dual Container
Answer: A
210-250
QUESTION 3                         210-250
A cloud administrator has deployed Cisco Prime Service Catalog. After deployment, which tool is used to build application models which are then deployed into Cisco Prime Service Catalog for consumption?
A. Heat Orchestration
B. Stack Designer
C. End-User Storefront
D. Administrative Portal
Answer: B

QUESTION 4
Which option lists the orchestration types that can be selected when a user orders an application stack in Cisco Prime Service Catalog?
A. full, partial, none
B. automatic, semi-automatic, limited, none
C. standard service, VIX deployment, puppet, none
D. standard service, special service, automatic service
Answer: C

QUESTION 5
Which option describes what end user portal access allows?
A. ordering of server and / or application environments based on preconfigured resources available to users access
B. deployment of templates and OVA files
C. sharing files with other portal users
D. registering Physical Compute resources to the environment
Answer: A

QUESTION 6
Where are the main fault logs for root cause analysis located?
A. on your local computer via an SSH session
B. on the server where the application is installed
C. on the database server
D. on the switch that connects the database and application server
Answer: B

QUESTION 7
Due to disk space constraints, the cloud administrator for a cloud service provider wants to see how much storage a particular organization is using for snapshots. Which report option in Cisco UCS Director provides that data? 210-250
A. Billing Report for a Customer
B. VM Activity Report by Group
C. Virtual Infrastructure and Asset Report
D. Storage Inventory Report for a Group
Answer: D

QUESTION 8
An administrator group is looking to on-board multiple users with Cisco Unified Communications Manager at one time. Which option should be used?
A. Bulk Administration Tool
B. Product Upgrade Tool
C. Command Lookup Tool
D. Cisco Unified Communications Manager User Options Page
E. Cisco Upload Tool
Correct Answer: A

QUESTION 9
A user wants their name to show on their phone instead of their directory number. Which configuration item allows an administrator to do this?
A. Line Text Label
B. Alerting Name
C. External Phone Number Mask
D. Caller Name
E. Description
Correct Answer: A

QUESTION 10
A user would like all calls to be forwarded to voice mail. The user’s phone is not set up with a soft key for this feature. Which option accomplishes this configuration from within the Cisco Unified Communication Administrator Directory Number configuration page? 210-250
A. Call Forward and Pickup Settings > Forward No Coverage External > Select voice mail check box
B. Call Forward and Pickup Settings > Forward Busy External > Select voice mail check box
C. Call Forward and Pickup Settings > Forward All > Select voice mail check box
D. Call Forward and Pickup Settings > Forward Unregistered External > Select voice mail check box
Correct Answer: C

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QUESTION 1
Which statement is true about the PPP Session Phase of PPPoE?
A. PPP options are negotiated and authentication is not performed. Once the link setup is completed, PPPoE functions as a Layer 3 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
B. PPP options are not negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 4 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
C. PPP options are automatically enabled and authorization is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method that allows data to be encrypted over the PPP link within PPPoE headers.
D. PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
Correct Answer: D

Explanation:
PPPoE is composed of two main phases:
Active Discovery Phase–In this phase, the PPPoE client locates a PPPoE server, called an access concentrator. During this phase, a Session ID is assigned and the PPPoE layer is established.
PPP Session Phase–In this phase, PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method, allowing data to be transferred over the PPP link within PPPoE headers.

QUESTION 2
Refer to the exhibit.
300-175
Which one statement is true?          300-175
A. Traffic from the 172.16.0.0/16 network will be blocked by the ACL.
B. The 10.0.0.0/8 network will not be advertised by Router B because the network statement for the 10.0.0.0/8 network is missing from Router B.
C. The 10.0.0.0/8 network will not be in the routing table on Router B.
D. Users on the 10.0.0.0/8 network can successfully ping users on the 192.168.5.0/24 network, but users on the 192.168.5.0/24 cannot successfully ping users on the 10.0.0.0/8 network.
E. Router B will not advertise the 10.0.0.0/8 network because it is blocked by the ACL.
Correct Answer: E

Explanation:
You can filter what individual routes are sent (out) or received (in) to any interface within your EIGRP configuration.
One example is noted above. If you filter outbound, the next neighbor(s) will not know about anything except the 172.16.0.0/16 route and therefore won’t send it to anyone else downstream. If you filter inbound, YOU won’t know about the route and therefore won’t send it to anyone else downstream.

QUESTION 3
For security purposes, an IPv6 traffic filter was configured under various interfaces on the local router. However, shortly after implementing the traffic filter, OSPFv3 neighbor adjacencies were lost. What caused this issue?
A. The traffic filter is blocking all ICMPv6 traffic.
B. The global anycast address must be added to the traffic filter to allow OSPFv3 to work properly.
C. The link-local addresses that were used by OSPFv3 were explicitly denied, which caused the neighbor relationships to fail.
D. IPv6 traffic filtering can be implemented only on SVIs.
Correct Answer: C

Explanation:
OSPFv3 uses link-local IPv6 addresses for neighbor discovery and other features, so if any IPv6 traffic filters are implemented be sure to include the link local address so that it is permitted in the filter list.

QUESTION 4
What is the purpose of the autonomous-system {autonomous-system-number} command?
A. It sets the EIGRP autonomous system number in a VRF.
B. It sets the BGP autonomous system number in a VRF.
C. It sets the global EIGRP autonomous system number.
D. It sets the global BGP autonomous system number.
Correct Answer: A

Explanation:
To configure the autonomous-system number for an Enhanced Interior Gateway Routing Protocol (EIGRP) routing process to run within a VPN routing and forwarding (VRF) instance, use the 300-175 autonomous-system command in address-family configuration mode. To remove the autonomous-system for an EIGRP routing process from within a VPN VRF instance, use the no form of this command.

QUESTION 5
Which type of traffic does DHCP snooping drop?
A. discover messages
B. DHCP messages where the source MAC and client MAC do not match
C. traffic from a trusted DHCP server to client
D. DHCP messages where the destination MAC and client MAC do not match
Correct Answer: B

Explanation:
The switch validates DHCP packets received on the untrusted interfaces of VLANs with DHCP snooping enabled. The switch forwards the DHCP packet unless any of the following conditions occur (in which case the packet is dropped):
The switch receives a packet (such as a DHCPOFFER, DHCPACK, DHCPNAK, or DHCPLEASEQUERY packet) from a DHCP server outside the network or firewall.
The switch receives a packet on an untrusted interface, and the source MAC address and the DHCP client hardware address do not match. This check is performed only if the DHCP snooping MAC address verification option is turned on. · The switch receives a DHCPRELEASE or DHCPDECLINE message from an untrusted host with an entry in the DHCP snooping binding table, and the interface information in the binding table does not match the interface on which the message was received.
The switch receives a DHCP packet that includes a relay agent IP address that is not 0.0.0.0. To support trusted edge switches that are connected to untrusted aggregation-switch ports, you can enable the DHCP option-82 on untrusted port feature, which enables untrusted aggregation- switch ports to accept DHCP packets that include option-82 information. Configure the port on the edge switch that connects to the aggregation switch as a trusted port.

QUESTION 6
A network engineer notices that transmission rates of senders of TCP traffic sharply increase and decrease simultaneously during periods of congestion. Which condition causes this?
A. global synchronization
B. tail drop
C. random early detection
D. queue management algorithm
Correct Answer: A

Explanation:
TCP global synchronization in computer networks can happen to TCP/IP flows during periods of congestion because each sender will reduce their transmission rate at the same time when packet loss occurs.
Routers on the Internet normally have packet queues, to allow them to hold packets when the network is busy, rather than discarding them.
Because routers have limited resources, the size of these queues is also limited. The simplest technique to limit queue size is known as tail drop. The queue is allowed to fill to its maximum size, and then any new packets are simply discarded, until there is space in the queue again. This causes problems when used on TCP/IP routers handling multiple TCP streams, especially when bursty traffic is present. While the 300-175 network is stable, the queue is constantly full, and there are no problems except that the full queue results in high latency. However, the introduction of a sudden burst of traffic may cause large numbers of established, steady streams to lose packets simultaneously.

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QUESTION 1
You are the administrator of a multicontext transparent-mode Cisco ASA that uses a shared interface that belongs to more than one context. Because the same interface will be used within all three contexts, which statement describes how you will ensure that return traffic will reach the correct context?
A. Interfaces may not be shared between contexts in routed mode.
B. Configure a unique MAC address per context with the no mac-address auto command.
C. Configure a unique MAC address per context with the mac-address auto command.
D. Use static routes on the Cisco ASA to ensure that traffic reaches the correct context.
Correct Answer: C

QUESTION 2
Which three configurations are needed to enable SNMPv3 support on the Cisco ASA? (Choose three.)
A. SNMPv3 Local EngineID
B. SNMPv3 Remote EngineID
C. SNMP Users
D. SNMP Groups
E. SNMP Community Strings
F. SNMP Hosts
Correct Answer: CDF
300-206
QUESTION 3                                    300-206
Which two options are purposes of the packet-tracer command? (Choose two.)
A. to filter and monitor ingress traffic to a switch
B. to configure an interface-specific packet traceC. to simulate network traffic through a data path
D. to debug packet drops in a production network
E. to automatically correct an ACL entry in an ASA
Correct Answer: CD

QUESTION 4
For which purpose is the Cisco ASA CLI command aaa authentication match used?
A. Enable authentication for SSH and Telnet connections to the Cisco ASA appliance.
B. Enable authentication for console connections to the Cisco ASA appliance.
C. Enable authentication for connections through the Cisco ASA appliance.
D. Enable authentication for IPsec VPN connections to the Cisco ASA appliance.
E. Enable authentication for SSL VPN connections to the Cisco ASA appliance.
F. Enable authentication for Cisco ASDM connections to the Cisco ASA appliance.
Correct Answer: C

QUESTION 5
Which Cisco product provides a GUI-based device management tool to configure Cisco access routers?
A. Cisco ASDM
B. Cisco CP Express
C. Cisco ASA 5500
D. Cisco CP
Correct Answer: D

QUESTION 6
When configured in accordance to Cisco best practices, the ip verify source command can mitigate which two types of Layer 2 attacks? (Choose two.)
A. rogue DHCP servers
B. ARP attacks
C. DHCP starvation
D. MAC spoofing
E. CAM attacks
F. IP spoofing
Correct Answer: DF

QUESTION 7
A network administrator is creating an ASA-CX administrative user account with the following parameters:
-The user will be responsible for configuring security policies on networkdevices. 300-206
-The user needs read-write access to policies.
-The account has no more rights than necessary for the job.
What role will be assigned to the user?
A. Administrator
B. Security administrator
C. System administrator
D. Root Administrator
E. Exec administrator
Correct Answer: B

QUESTION 8
Which command is used to nest objects in a pre-existing group?
A. object-group
B. network group-object
C. object-group network
D. group-object
Correct Answer: D

QUESTION 9
Which action is considered a best practice for the Cisco ASA firewall?
A. Use threat detection to determine attacks
B. Disable the enable password
C. Disable console logging
D. Enable ICMP permit to monitor the Cisco ASA interfaces
E. Enable logging debug-trace to send debugs to the syslog server
Correct Answer: A

QUESTION 10
Which two statements about Cisco IOS Firewall are true? (Choose two.)
A. It provides stateful packet inspection.
B. It provides faster processing of packets than Cisco ASA devices provide.
C. It provides protocol-conformance checks against traffic.
D. It eliminates the need to secure routers and switches throughout the network.
E. It eliminates the need to secure host machines throughout the network.
Correct Answer: AC

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Question No : 1
The network administrator receives complaints of slow wireless network performance and performs a sniffer trace of the wireless network in preparation for migration to 802.11n. The sample capture shows frames that contains AP beacons with NonERP_Present bit set to 1 and frames with RTS/CTS.
Which two conclusions can be interpreted from these frames? (Choose two.)
A. The network is performing slowly because 802.11n clients are already mixed with 802.11g clients.
B. The network is performing slowly because 802.11b clients still exist in the network.
C. The network is performing slowly because a wireless client is incorrectly configured, which results in RF interference.
D. Possible 802.11b wireless clients are located only in the AP cell radius where the sniffer capture was performed.
E. Possible 802.11b wireless clients could be located anywhere in the wireless network.
Answer: B,E

Question No : 2
When using the CLI command eping, configured for auto-anchor mobility wireless guest access, which type of packet is tested?
A. data packets
B. mobility unencrypted packets
C. mobility encrypted packets
D. SNMP control packets
E. NTP control packets
Answer: A

Question No : 3
Which two principles must be considered when deploying a wireless network through a wooded area? (Choose two.)
A. absorption
B. reflection
C. diffraction
D. scattering
E. refraction
Answer: A,D

Question No : 4
Refer to the exhibit.
200-355
A customer has enabled the primary DNS server to return the correct controller IP address in response to a CISCO-CAPWAP-CONTROLLER.localdomain request coming from 200-355 new access points associating to the wireless network. The access points seem to still be receiving the wrong IP address and cannot associate to the primary controller.
Why are the access points receiving the wrong IP information?
A. The DHCP option 43 has an incorrect controller IP address configured.
B. The DNS server must be configured to respond to CISCO-LWAPPCONTROLLER.localdomain request.
C. The controller and wireless action point need to be Layer 2 adjacent.
D. The controller must be configured for DHCP option 15 request.
Answer: A

Question No : 5
An engineer has been asked to upgrade the FUS on the Wireless LAN controller. How can they monitor the status of the upgrade?
A. WLC GUI
B. WLC CLI
C. WLC Console
D. WLC Management in Prime Infrastructure
Answer: C

Question No : 6
Which three items do you need to establish a wireless connection to an enterprise wireless network? (Choose three.)
A. SSID name
B. RF channel
C. RF signal
D. 802.1X/EAP credentials
E. pre-shared key
F. web page
G. WPA/WPA2 settings
Answer: A,C,D

Question No : 7
Which statement about customization of a web page that is used on a WLC to authorize guest users is true?
A. The administrator can use either a modified internal login page or the customized web page.
B. The administrator can use only the internal login page, and only the organization logo can be changed.
C. The administrator can use only the internal login page with a customized logo, headline, and message.
D. The administrator can use only the customized web page that is uploaded to a WLC.
Answer: A

Question No : 8
Which type of management tasks can be completed on a Cisco WLC remotely from a wireless client?
A. All management and configuration tasks can be performed from a wireless client except for using debug commands.
B. In the default configuration, no management or configuration is possible through the GUI or CLI on the Cisco WLC.
C. The default configuration of the Cisco WLC allows only CLI access and then only the use of show commands, so no configuration is possible.
D. All management and configuration tasks, except uploads from and downloads to the Cisco WLC, are permitted.
Answer: B

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QUESTION 1
An access switch has been configured with an EtherChannel port. After configuring SPAN to monitor this port, the network administrator notices that not all traffic is being replicated to the management server. What is a cause for this issue?
A. VLAN filters are required to ensure traffic mirrors effectively.
B. SPAN encapsulation replication must be enabled to capture EtherChannel destination traffic.
C. The port channel can be used as a SPAN source, but not a destination.
D. RSPAN must be used to capture EtherChannel bidirectional traffic.
Correct Answer: C

Explanation:
A source port or EtherChannel is a port or EtherChannel monitored for traffic analysis. You can configure both Layer 2 and Layer 3 ports and EtherChannels as SPAN sources. SPAN can monitor one or more source ports or EtherChannels in a single SPAN session. You can configure ports or EtherChannels in any VLAN as SPAN sources. Trunk ports or EtherChannels can be configured as sources and mixed with nontrunk sources. A port-channel interface (an EtherChannel) can be a SPAN source, but not a destination.

QUESTION 2
Refer to the exhibit.
300-115
What is the result of the configuration?
A. The EtherChannels would not form because the load-balancing method must match on the devices.
B. The EtherChannels would form and function properly even though the load-balancing and EtherChannel modes do not match.
C. The EtherChannels would form, but network loops would occur because the load-balancing methods do not match.
D. The EtherChannels would form and both devices would use the dst-ip load-balancing method because Switch1 is configured with EtherChannel mode active.
Correct Answer: B

Explanation:
An etherchannel will form if one end is active and the 300-115 other is passive. The table below sum- marizes the results for LACP channel establishment based on the configuration of each side of a link:
LACP Channel Establishment
S1 S2 Established?
On On Yes
Active/Passive Active Yes
On/Active/Passive Not Configured No
On Active No
Passive/On Passive No
Load balancing can only be configured globally. As a result, all channels (manually configured, PagP, or LACP) use the same load-balancing. This is true for the switch globally, although each switch involved in the etherchannel can have non matching parameters for load balancing.

QUESTION 3
A network engineer tries to configure storm control on an EtherChannel bundle. What is the result of the configuration?
A. The storm control settings will appear on the EtherChannel, but not on the associated physical ports.
B. The configuration will be rejected because storm control is not supported for EtherChannel.
C. The storm control configuration will be accepted, but will only be present on the physical interfaces.
D. The settings will be applied to the EtherChannel bundle and all associated physical interfaces.
Correct Answer: D

Explanation:
After you configure 300-115 an EtherChannel, any configuration that you apply to the port-channel interface affects the EtherChannel; any configuration that you apply to the physical interfaces affects only the interface where you apply the configuration. Storm Control is an exception to this rule. For example, you cannot configure Storm Control on some of the members of an EtherChannel; Storm Control must be configured on all or none of the ports. If you configure Storm Control on only some of the ports, those ports will be dropped from the EtherChannel interface (put in suspended state). Therefore, you should configure Storm Control at the EtherChannel Interface level, and not at the physical interface level.

QUESTION 4
What is the function of NSF?
A. forward traffic simultaneously using both supervisors
B. forward traffic based on Cisco Express Forwarding
C. provide automatic failover to back up supervisor in VSS mode
D. provide nonstop forwarding in the event of failure of one of the member supervisors
Correct Answer: D

Explanation:
VSS is network system virtualization technology that pools multiple Cisco Catalyst 6500 Series Switches into one virtual switch, increasing operational efficiency, boosting nonstop communications, and scaling system bandwidth capacity to 1.4 Tbps. Switches would operate as a single logical virtual switch called a virtual switching system 1440 (VSS1440). VSS formed by two Cisco Catalyst 6500 Series Switches with the Virtual Switching Supervisor 720-10GE. In a VSS, the data plane and switch fabric with capacity of 720 Gbps of supervisor engine in each chassis are active at the same time on both chassis, combining for an active 1400-Gbps switching capacity per VSS. Only one of the virtual switch members has the active control plane. Both chassis are kept in sync with the 300-115 inter-chassis Stateful Switchover (SSO) mechanism along with Nonstop Forwarding (NSF) to provide nonstop communication even in the event of failure of one of the member supervisor engines or chassis.

Read more: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/switch2.html

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Certifications: CCIE
Exam Name: Cisco CCIE Security Written Exam (v5.0)
Exam Code: 400-251
Total Questions: 452 Q&As
Last Updated: Apr 15, 2017
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QUESTION 11
WLAN configuration sets are managed in an environment using BlackBerry Manager. At which level in BlackBerry Manager are WLAN configurations created? (Choose one.)
A. Server
B. Group
C. User
D. Device
E. Domain
Correct Answer: E

QUESTION 12
The software configuration status information for a BlackBerry device user includes:
Configuration Status: OK System Status: Downgrade Required Application Status: Upgrade Required
What does this indicate? (Choose one.)
A. The corresponding BlackBerry device is operating with BlackBerry Device Software that is newer and third-party software that is older than what is specified in the software configuration.
B. The corresponding BlackBerry device is operating with BlackBerry Device Software that is older and third-party software that is newer than what is specified in the software configuration.
C. On the computer hosting the applications for the software configuration, newer BlackBerry Device Software is installed and the third-party software is older than what it needs to be.
D. On the computer hosting the applications for the software configuration, older BlackBerry Device Software is installed and the third-party software is newer than what it needs to be.
E. On the computer hosting the applications, the software configuration needs to be re-indexed.
Correct Answer: A

QUESTION 13
Using BlackBerry Manager, which status indicates that a BlackBerry device user has been successfully activated? (Choose one.)
A. RUNNING
B. ACTIVATED
C. INITIALIZING
D. **BES_NAME(RUNNING)
E. **INITIALIZING
Correct Answer: A

QUESTION 14
A system administrator is unable to assign an IT policy to a BlackBerry device user account or to a group. To resolve this problem, which role must be assigned to the system administrator? (Choose one.)
A. Administrator
B. Senior Help Desk Administrator
C. Domain Administrator
D. Audit Administrator
E. Security Audit Administrator
Correct Answer: B

QUESTION 15
Which BlackBerry Resource Kit tool allows a system administrator to differentiate between hung and busy worker threads? (Choose one.)
A. MessageFlow
B. Pending
C. OutOfCoverage
D. NoResponse
E. AvailIndex
Correct Answer: D

400-251 dumps QUESTION 16
During the wireless enterprise activation process, the BlackBerry device stops responding and
displays the following error message:
Waiting for Services
Which two factors could delay the response of the enterprise activation process? (Choose two.)
A. The BlackBerry device user is in an area with sporadic wireless network coverage.
B. The BlackBerry Synchronization Service is unable to connect to the BlackBerry Configuration Database.
C. The BlackBerry device requires a security wipe prior to the enterprise activation.
D. The BlackBerry Policy Service is unable to connect to the database.
E. The BlackBerry Policy Service is unable to connect to the user mailbox.
Correct Answer: AD

QUESTION 17
The system administrator installed the BlackBerry Enterprise Server with BlackBerry MDS Integration Service. Which two interfaces are available to administer the BlackBerry MDS Integration Service? (Choose two.)
A. BlackBerry Manager
B. BlackBerry MDS Studio
C. BlackBerry Server Configuration tool
D. BlackBerry MDS Integration tool
E. Microsoft Internet Explorer
Correct Answer: AE

QUESTION 18
A company must move the BlackBerry Configuration Database from the local BlackBerry Enterprise Server using MSDE to a new Microsoft SQL Server to improve the performance of the database. What is the best method for moving the database? (Choose one.)
A. Install the BlackBerry Enterprise Server software on the new computer to create the database.
B. Back up the database and restore it to the new Microsoft SQL Server.
C. Run Createdb to create the database on the new Microsoft SQL Server and restore the backup of the old database to the new database.
D. Run BlackBerry Backup to back up the database and restore it to the new Microsoft SQL Server.
E. Run Createdb-export to export the database information and then run Createdb-import to restore the database to the new Microsoft SQL Server.
Correct Answer: C

QUESTION 19
Which two actions must be taken to upgrade an existing application in a software configuration? (Choose two.)
A. Remove the existing application from the BlackBerry device.
B. Copy and overwrite the existing application into the Shared folder.
C. Index the applications listed in the Applications directory.
D. Refresh the applications listed in the Applications directory.
E. Replace the old application with the new application.
Correct Answer: CE

QUESTION 20
Once the Enterprise Service Policy has been enabled, which of the following two things can be controlled by a system administrator? (Choose two.)
A. The range of PIN numbers that can be activated on the BlackBerry Enterprise Server
B. The BlackBerry device models that can be activated on the BlackBerry Enterprise Server
C. The range of IMEI numbers that can be activated on the BlackBerry Enterprise Server
D. The specific time frame in which the BlackBerry device users can be activated on the BlackBerry Enterprise Server
E. A specific user service provider that can be activated on the BlackBerry Enterprise Server
Correct Answer: AB

QUESTION 21
A system administrator removed a BlackBerry device user from the BlackBerry Enterprise Server and tried to add the user back using the BlackBerry Manager. The system administrator was unable to add the user back to the BlackBerry Enterprise Server because they still resided in Users Pending Delete. What should the system administrator do to remove the user from the BlackBerry Enterprise Server using BlackBerry Manager? (Choose one.)
A. Restart the BlackBerry Enterprise Server to clear the user from the Users Pending Delete
B. Hard delete the user from the BlackBerry Enterprise Server.
C. Use the Purge User command under the Users Pending Delete tab.
D. Remove the user from Users Pending Delete using the BlackBerry Resource Kit.
E. Reload the user and try to delete the user again
Correct Answer: C

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Question No : 1
At which layer of the OSI model is RSTP used to prevent loops?
A. physical
B. data link
C. network
D. transport
Answer: B

Explanation:
RSTP and STP operate on switches and are based on the 200-105 exchange of Bridge Protocol Data Units (BPDUs) between switches. One of the most important fields in BPDUs is the Bridge Priority in which the MAC address is used to elect the Root Bridge, RSTP operates at Layer 2.

Question No : 2
Refer to the exhibit.
200-105
At the end of an RSTP election process, which access layer switch port will assume the discarding role?
A. Switch3, port fa0/1
B. Switch3, port fa0/12
C. Switch4, port fa0/11
D. Switch4, port fa0/2
E. Switch3, port Gi0/1
F. Switch3, port Gi0/2
Answer: C

Explanation:
In this question, we only care about the Access Layer switches (Switch3 & 4). Switch 3 has a lower bridge ID than Switch 4 (because the MAC of Switch3 is smaller than that of Switch4) so both ports of Switch3 will be in forwarding state. The alternative port will surely belong to Switch4.
Switch4 will need to block one of its ports to avoid a bridging loop between the two switches. But how does Switch4 select its blocked port? Well, the answer is based on the BPDUs it receives from Switch3. A BPDU is superior than another if it has:
1. A lower Root Bridge ID2. A lower path cost to the Root3. A lower Sending Bridge ID4. A lower Sending Port ID
These four parameters are examined in order. In this specific case, all the BPDUs sent by Switch3 have the same Root Bridge ID, the same path cost to the Root and the same Sending Bridge ID. The 200-105 only parameter left to select the best one is the Sending Port ID (Port ID = port priority + port index). In this case the port priorities are equal because they use the default value, so Switch4 will compare port index values, which are unique to each port on the switch, and because Fa0/12 is inferior to Fa0/1, Switch4 will select the port connected with Fa0/1 (of Switch3) as its root port and block the other port -> Port fa0/11 of Switch4 will be blocked (discarding role)

Question No : 3
What is one benefit of PVST+?
A. PVST+ supports Layer 3 load balancing without loops.
B. PVST+ reduces the CPU cycles for all the switches in the network.
C. PVST+ allows the root switch location to be optimized per VLAN.
D. PVST+ automatically selects the root bridge location, to provide optimized bandwidth usage.
Answer: C

Explanation:
Per VLAN Spanning Tree (PVST)
Introduction
Per VLAN Spanning Tree (PVST) maintains a spanning tree instance for each VLAN configured in the network. This means a switch can be the root bridge of a VLAN while another 200-105 switch can be the root bridge of other VLANs in a common topology. For example, Switch 1 can be the root bridge for Voice data while Switch 2 can be the root bridge for Video data. If designed correctly, it can optimize the network traffic.

Question No : 4
Refer to the exhibit.
200-105
Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)
A. SwitchA, Fa0/2, designated
B. SwitchA, Fa0/1, root
C. SwitchB, Gi0/2, root
D. SwitchB, Gi0/1, designated
E. SwitchC, Fa0/2, root
F. SwitchD, Gi0/2, root
Answer: A,B,F

Explanation:
The question says “no other configuration changes have been made” so we can understand these switches have the same bridge priority. SwitchC has lowest MAC address so, it will become root bridge and 2 of its ports (Fa0/1 & Fa0/2) will be designated ports (DP). Because SwitchC is the root bridge the 2 ports nearest SwitchC on SwitchA (Fa0/1) and SwitchD (Gi0/2) will be root ports (RP) -> B and F are correct.
SwitchB must have a root port so which port will it choose? To answer this question we need to know about STP cost and port cost.
In general, “cost” is calculated based on bandwidth of the link. The 200-105 higher the bandwidth on a link, the lower the value of its cost. Below are the cost values you should memorize:
Link speed Cost SwitchB will choose the interface with lower cost to the root bridge as the root port so we must calculate the cost on interface Gi0/1 & Gi0/2 of SwitchB to the root bridge. This can be calculated from the “cost to the root bridge” of each switch because a switch always advertises its cost to the root bridge in its BPDU. The receiving switch will add its local port cost value to the cost in the BPDU.
SwitchC advertises its cost to the root bridge with a value of 0. Switch D adds 4 (the cost value of 1Gbps link) and advertises this value (4) to SwitchB. SwitchB adds another 4 and earns that it can reach SwitchC via Gi0/1 port with a total cost of 8. The same process happens for SwitchA and SwitchB learns that it can reach SwitchC via Gi0/2 with a total cost of 23 -> Switch B chooses Gi0/1 as its root port.

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Reference: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/200-105-icnd2.html

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Question No : 1
Refer to the exhibit.
100-105
Mary is sending an instant message to Robert. The 100-105 message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?
100-105
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: B

Explanation:
The Source and Destination IP address is not going to change. Host 1 IP address will stay as being the source IP and the Host 2 IP address will stay the destination IP address.
Those two are not going to change.
For the MAC address it is going to change each time it goes from one hope to another. (Except switches… they don’t change anything)
Frame leaving HOST 1 is going to have a source MAC of Host 1 and a destination MAC of Router 1.
Router 1 is going to strip that info off and then will make the 100-105 source MAC address of Router1’s exiting interface, and making Router2’s interface as the destination MAC address.
Then the same will happen… Router2 is going to change the source/destination info to the source MAC being the Router2 interface that it is going out, and the destination will be Host2’s MAC address.

Question No : 2
A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?
A. HTTP
B. DNS
C. DHCP
D. RARP
E. ARP
Answer: E

Explanation:
The RARP protocol is used to translate hardware interface addresses to protocol addresses. The RARP message format is very similar to the ARP format. When the booting computer sends the broadcast ARP request, it places its own hardware address in both the sending and receiving fields in the 100-105 encapsulated ARP data packet. The RARP server will fill in the correct sending and receiving IP addresses in its response to the message. This way the booting computer will know its IP address when it gets the message from the RARP server.

Question No : 3
Which statements accurately describe CDP? (Choose three.)
A. CDP is an IEEE standard protocol.
B. CDP is a Cisco proprietary protocol.
C. CDP is a datalink layer protocol.
D. CDP is a network layer protocol.
E. CDP can discover directly connected neighboring Cisco devices.
F. CDP can discover Cisco devices that are not directly connected.
Answer: B,C,E

Explanation:
CDP (Cisco Discovery Protocol) is a proprietary protocol designed by Cisco 100-105 to help administrators collect information about both locally attached and remote devices. By using CDP, you can gather hardware and protocol information about neighbor devices containing useful info for troubleshooting and documenting the network.

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