Cisco 642-883 Online Practice Questions and Exam Preparation

Cisco 642-883 Online Questions & Answers

• Question 91:

  Which AS path access list is used by a multihomed customer to only announce their own address space to their service providers to prevent the multihomed customer from becoming a transit AS?

  A. ip as-path access-list permit.*
  B. ip as-path access-list permit^$
  C. ip as-path access-list permit _$
  D. ip as-path access-list permit _^
  E. ip as-path access-list permit local-as ip as-path access-list deny *
  F. ip as-path access-list deny.* ip as-path access-list permit *
  B. ip as-path access-list permit^$

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  C:\Documents and Settings\user-nwz\Desktop\1.JPG

• Question 92:

  Drag the BGP attributes on the left to the boxes on the right in the correct order. The attribute that is used first during the BGP route selection process should be the top box on the right, and attribute that is used last should be the bottom box on the right.

  Select and Place:

  

  

• Question 93:

  On Cisco IOS XR Software, which set of commands is used to enable the gi0/0/0/1 interface for OSPF in area 0?

  A. interface gi0/0/0/0 ip address 10.1.1.1 255.255.255.0 ! router ospf 1 network 10.1.1.1 0.0.0.0 area 0
  B. interface gi0/0/0/0 ip address 10.1.1.1 255.255.255.0 ! router ospf 1 network 10.1.1.1 255.255.255.255 area 0
  C. router ospf 1 area 0 interface GigabitEthernet0/0/0/1
  D. interface gi0/0/0/0 ip address 10.1.1.1 255.255.255.0 ip ospf 1 area 0
  E. router ospf 1 address-family ipv4 unicast interface GigabitEthernet0/0/0/1 area 0
  F. router ospf 1 address-family ipv4 unicast interface GigabitEthernet0/0/0/1 area 0
  C. router ospf 1 area 0 interface GigabitEthernet0/0/0/1

• Question 94:

  Routes that are received from an IBGP peer will be propagated to which other routers by default?

  A. to the EBGP peers only
  B. to the IBGP peers only
  C. to both EBGP and IBGP peers
  D. to no other peers
  A. to the EBGP peers only

• Question 95:

  Drag the BGP attributes on the left to match the correct description on the right.

  Select and Place:

  

  

• Question 96:

  When using the Cisco IOS-XR show bgp command to examine the BGP table, the Metric value being displayed is used to represent which BGP attribute?

  A. Weight
  B. Local Preference
  C. MED
  D. Cost Community
  C. MED

• Question 97:

  Refer to the Cisco IOS show command output shown in the exhibit.

  

  Which of the following statements is correct?

  A. The best path to 10.2.10.1/32 was chosen because of the AS path.
  B. The best path to 10.2.10.1/32 was chosen because of the weight.
  C. The best path to 10.2.10.1/32 was chosen because of the local preference.
  D. The best path to 10.2.10.1/32 was chosen because of the MED.
  E. The best path to 10.2.10.1/32 was chosen because of the route origin.
  B. The best path to 10.2.10.1/32 was chosen because of the weight.

• Question 98:

  Which option is an invalid BGP community representation?

  A. binary
  B. autonomous system number : value
  C. hexadecimal
  D. decimal
  C. hexadecimal

• Question 99:

  Which two types of IS-IS routers contain routing entries from routers within the IS-IS domain by default? (Choose two.)

  A. L2
  B. L1/L2
  C. DR
  D. L3
  E. L1
  A. L2
  B. L1/L2

• Question 100:

  Nonstop Forwarding works with the Stateful Switchover feature in Cisco IOS and IOS XR software. Which three restrictions for OSPF are true? (Choose three.)

  A. OSPF NSF for virtual links is not supported.
  B. OSPF NSF for virtual links is supported.
  C. OSPF NSF for sham links is not supported.
  D. OSPF NSF for sham links is supported.
  E. OSPF NSF supports NSF/SSO for IPv6 traffic only.
  F. OSPF NSF supports NSF/SSO for IPv4 traffic only.
  A. OSPF NSF for virtual links is not supported.
  C. OSPF NSF for sham links is not supported.
  F. OSPF NSF supports NSF/SSO for IPv4 traffic only.