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Q261. Which statement about the spanning-tree portfast feature on the switch is true? 

A. If an interface is enabled for portfast receives BDPU, the port goes through the spanning-tree listening, learning, and forwarding states. 

B. If an interface is enabled for portfast receives BDPU, the port does not go through the spanning-tree listening, learning, and forwarding states. 

C. If an interface is enabled for portfast receives BDPU, the port is shut down immediately. 

D. If an interface is enabled for portfast receives BDPU, the port goes into the spanning-tree inconsistent state. 

Answer:

Q262. Refer to the exhibit. 

Which two statements about this configuration are true? (Choose two.) 

A. Spoke devices will be dynamically added to the NHRP mappings. 

B. The next-hop server address must be configured to 172.168.1.1 on all spokes. 

C. The next-hop server address must be configured to 192.168.1.1 on all spokes. 

D. R1 will create a static mapping for each spoke. 

Answer: A,C 

Explanation: 

NHRP is a client/server model protocol which is defined by RFC2332. The hub is considered to be the Next Hop Server (NHS) and the spokes are considered to be the Next Hop Client (NHC). The hub must be configured as the next-hop server. NHRP provides a mapping between the inside and outside address of a tunnel endpoint. These mappings can be static or dynamic. In a dynamic scenario, a next-hop server (NHS) is used to maintain a list of possible tunnel endpoints. Each endpoint using the NHS registers its own public and private mapping with the NHS. The local mapping of the NHS must always be static. It is important to note that the branch points to the inside or protected address of the NHS server. This scenario is an example of dynamic mappings. 

Reference: http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/DMVPDG/DMV PN_2_Phase2.html 

Q263. Refer to the exhibit. 

Which additional information must you specify in this configuration to capture NetFlow traffic? 

A. ingress or egress traffic 

B. the number of cache entries 

C. the flow cache active timeout 

D. the flow cache inactive timeout 

Answer:

Explanation: 

Configuring NetFlow 

Perform the following task to enable NetFlow on an interface. SUMMARY STEPS 

1. enable 

2. configure terminal 

3. interface type number 

4. ip flow {ingress | egress} 

5. exit 

6. Repeat Steps 3 through 5 to enable NetFlow on other interfaces. 

7. end 

DETAILED STEPS 

Command or Action 

Purpose 

Step 1 

enable 

Example: 

Router> enable Enables privileged EXEC mode. . 

Enter your password if prompted. 

Step 2 

configure terminal Example: 

……..

Example: 

Router(config)# interface ethernet 0/0 

Specifies the interface that you want to enable NetFlow on and enters interface configuration mode. 

Step 4 

ip flow {ingress | egress} 

Example: 

Router(config-if)# ip flow ingress 

Enables NetFlow on the interface. 

. ingress—Captures traffic that is being received by the interface 

. egress—Captures traffic that is being transmitted by the interface 

Step 5 

exit 

Example: 

Router(config-if)# exit 

(Optional) Exits interface configuration mode and enters global configuration mode. 

Note 

You need to use this command only if you want to enable NetFlow on another interface. 

Step 6 

Repeat Steps 3 through 5 to enable NetFlow on other interfaces. 

This step is optional. 

Step 7 

end 

Example: 

Router(config-if)# end Exits the current configuration mode and returns to privileged EXEC mod 

Reference: http://www.cisco.com/c/en/us/td/docs/ios/netflow/configuration/guide/12_2sr/nf_12_2sr_boo k/cfg_nflow_data_expt.html 

Q264. Which two statements are true about AAA? (Choose two.) 

A. AAA can use RADIUS, TACACS+, or Windows AD to authenticate users. 

B. If RADIUS is the only method configured in AAA, and the server becomes unreachable, 

the user will be able to log in to the router using a local username and password. 

C. If the local keyword is not included and the AAA server does not respond, then authorization will never be possible and the connection will fail. 

D. AAA can be used to authenticate the enable password with a AAA server. 

Answer: C,D 

Explanation: 

AAA can be used to authenticate user login and the enable passwords. 

Example 1: Same Exec Authentication Methods for All Users 

Once authenticated with: 

aaa authentication login default group radius local 

All users who want to log in to the access server have to be authorized using Radius (first method) or local database (second method). 

We configure: 

aaa authorization exec default group radius local 

Note. On the AAA server, Service-Type=1 (login) must be selected. 

Note. With this example, if the local keyword is not included and the AAA server does not respond, then authorization will never be possible and the connection will fail. 

Reference: http://www.cisco.com/c/en/us/support/docs/security-vpn/terminal-access-controller-access-control-system-tacacs-/10384-security.html 

Q265. Refer to the exhibit. 

How many EIGRP routes will appear in the routing table of R2? 

A. 0 

B. 1 

C. 2 

D. 3 

Answer:

Explanation: 

EIGRPv6 on R2 was shut down so there is no EIGRP routes on the routing table of R2. If we turn on EIGRPv6 on R2 (with “no shutdown” command) then we would see the prefix of the loopback interface of R1 in the routing table of R2. 

Note. EIGRPv6 requires the “ipv6 unicast-routing” global command to be turned on first or it will not work. 

Q266. DRAG DROP 

Drag and drop the router preference on the left to the correct routing sequence (from most preferred to least preferred) on the right. 

Answer: 

Q267. Which protocol will accept incoming updates when the passive-interface command is configured? 

A. OSPF 

B. IS-IS 

C. RIP 

D. EIGRP 

Answer:

Q268. Which three features are common to OSPF and IS-IS? (Choose three.) 

A. They both maintain a link-state database from which a Dijkstra-based SPF algorithm computes a shortest path tree. 

B. They both use DR and BDR in the broadcast network. 

C. They both use hello packets to form and maintain adjacencies. 

D. They both use NSSA and stub type areas to scale the network design. 

E. They both have areas to form a two-level hierarchical topology. 

Answer: A,C,E 

Q269. DRAG DROP 

Drag and drop the OSPF network type on the left to the correct category of timers on the right. 

Answer: 

Q270. The OSPF database of a router shows LSA types 1, 2, 3 and 7 only. Which type of area is this router connected to? 

A. backbone area 

B. totally stubby area 

C. stub area 

D. not-so-stubby area 

Answer:

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