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642-801

QUESTION 1. Which command would display OSPF parameters such as filters, default metric, maximum paths, and number of areas configured on a router?

A. show ip protocol

B. show ip route

C. show ip ospf interface

D. show ip ospf

Answer: A

QUESTION 2

The following example is a configuration on a 256 kbps HDLC interface: interface serial 0/0bandwidth 56 ip bandwidth-percent eigrp 1 200 Based on this example, how much bandwidth is allocated for EIGRP traffic?

A. 56 kbps

B. 112 kbps

C. 128 kbps

D. 256 kbps

Answer: B

QUESTION 3

Cisco routers perform route summarization automatically for which three routing protocols? (Choose three)

A. IS-IS

B. IGRP

C. OSPF

D. EIGRP

E. RIP v.1

Answer: B, D, E

QUESTION 4

A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table on Router A. The following information is available from RouterA: configuration: router bgp 65001network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002no auto-summary routing table information: show ip route | include 10 O 10.10.0/24 [110/11] via 192.168.1.1, 2d00h, Ethernet0/0 Why is this prefix not in the local BGP table?

A. This route is not a BGP learned route.

B. The network command is wrong.

C. The 172.16.1.1 neighbor is down.

D. The prefix 10.10.10.0/24 is not a connected route.

Answer: A

QUESTION 5

Which command displays RIP routing transactions?

A. show ip rip database

B. show ip route

C. show ip protocols rip

D. debug ip rip

E. debug ip routing

Answer: D

QUESTION 6

In which two types of OSPF networks does a Designated Router (DR) election take place? (Choose two)

A. Point-to-point.

B. Nonbroadcast multi-access

C. Point-to-multipoint

D. Broadcast multi-access

Answer: B, D

QUESTION 7

What are the three general address types of IPv6? (Choose three)

A. Private

B. Unicast

C. Broadcast

D. Public

E. Multicast

F. Anycast

Answer: B, E, F

QUESTION 8

What strategy can a network administrator use to minimize the effect of routing table updates on internal routers when a WAN interface frequently changes its state from up to down?

A. Use a distance vector routing protocol.

B. Use private IP addresses.

C. Use dial-on-demand routing.

D. Use route summarization.

E. Use a routing protocol that tolerates route flapping.

Answer: D

QUESTION 9

What happens if a BGP route reflector receives updates from a peer in another autonomous system?

A. It discards the update.

B. It sends the update to all IBGP peers.

C. It sends the update only to nonclients.

D. It sends the update only to route reflector clients.

E. It sends the update to all routers in the autonomous system.

Answer: D

QUESTION 10

Which IP address is known as the all OSPF DRs and BDRs address?

A. 224.0.0.5

B. 224.0.0.6

C. 224.0.0.9

D. 224.0.0.11

Answer: B

QUESTION 11

In the following BGP configuration, which BGP network statement will inject the 10.10.0.0/16 prefix in the bgp table? interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001neighbor 192.168.1.1 remote-as 65002

A. network 10.0.0.0

B. network 10.10.0.0 mask 255.255.0.0

C. network 10.10.10.1 mask 255.255.255.255

D. network 10.10.10.0 mask 255.255.255.0

E. network 10.0.0.0 mask 255.255.0.0

Answer: B

QUESTION 12

What are three characteristics of a Autonomous System (AS) in a BGP network? (Choose three)

A.    Within an AS, all routers must run either BGP or IBGP.

B.    An AS uses exterior gateway protocols (EGPs) to exchange information with other autonomous systems.

C.    An AS is a group of routers under the same technical administration.

D.    Within an AS, routes learned through BGP can be redistributed using interior gateway protocols.

E.     Within an AS, routers learned through an interior protocol cannot be redistributed using BGP to other autonomous systems.

Answer: B C D

QUESTION 13

Which two characteristics areassociated with the distribution layer of the three-layer hierarchical network design model?

A. Reliable transport structure

B. Route redistribution

C. Optimized transport structure

D. Address aggregation

E. Unauthorized entry access control lists

Answer: B, D.

QUESTION 14

Which routing protocol multicasts routing updates using Class D address 224.0.0.9?

A. EIGRP

B. OSPF

C. IGRP

D. RIPv2

Answer: D

QUESTION 15

In OSI terminology, what is a domain?

A. A set of non-routing network nodes.

B. A contiguously connected area that can reach all other areas.

C. Contiguous set of routers and hosts and the data links that connect them.

D. Any portion of an OSI network that is under a common administrative authority.

Answer: D