642-902 Q&A – Mix Practice Questions (6-10)

Section 6 – Mix Practice Questions

Which of the following NSAP addresses is a private, locally administered address? Select the best response.
A. 39.0f01.0002.0000.0c00.1111.00
B. 48.0f01.0002.0000.0c00.1111.00
C. 49.0004.30ac.0000.3090.c7df.00
D. 52.0f01.0002.0000.0c00.1111.00
Answer: C

R3#show run | include default- ip default-network ip default-network

R3#show ip route | begin Gateway
Gateway of last resort is to network is variably subnetted, 5 subnets, 3 masks
C is directly connected, Serial1/0.2
C is directly connected, Serial2/0.2
C is directly connected, Serial1/0.1
C is directly connected, Serial2/0.1
S [1/0] via
* is subnetted, 3 subnets
O [110/65] via, 00:14:54, Serial1/0.1
O [110/65] via, 00:14:54, Serial1/0.1
O [110/65] via, 00:14:54, Serial1/0.1
* is variably subnetted, 4 subnets, 2 masks
D* is a summary, 00:30:04, Null0
C is directly connected, Ethernet0/0
C is directly connected, Ethernet0/1
C is directly connected, Ethernet1/0
D [90/679936] via, 00:02:58, Serial2/0.1

Refer to the exhibit. Why is the network not used as the gateway of last resort even though it is configured first? Select the best response.
A. The last default-network statement will always be preferred.
B. A route to the network does not exist in the routing table.
C. Default-network selection will always prefer the statement with the lowest IP address.
D. A router will load balance across multiple default-networks; repeatedly issuing the show ip route command would show the gateway of last resort changing between the two networks.
Answer: B

Which BGP feature should be used to avoid high memory utilization on a router? Select the best response.
A. soft-reconfiguration
B. route refresh
C. BGP communities
D. full-mesh BGP peering
Answer: B

Refer to the exhibit. A new TAC engineer came to you for advice. A GRE over IPsec tunnel was configured, but the tunnel is not coming up.
What did the TAC engineer configure incorrectly? Select the best response.
A. The crypto isakmp configuration is not correct.
B. The crypto map configuration is not correct.
C. The network is not included in the OSPF process.
D. The interface tunnel configuration is not correct.
Answer: D

Under which circumstance will a branch ISR router contain interface vlan configurations?
Select the best response.
A. performing inter-VLAN routing
B. performing 802.1Q trunking
C. performing ISL trunking
D. Ethernet Switch Module installed
E. ADSL WIC installed
F. running Call Manager Express
Answer: D

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