Cisco 642-883 Online Practice Questions and Exam Preparation

Cisco 642-883 Online Questions & Answers

• Question 1:

  Why would a network engineer want to implement BGP peer groups on Cisco IOS XE routers?

  A. to have a single point of configuration for all route maps used with BGP
  B. to have a single point of configuration for neighbors with the same BGP policies
  C. to have a single point of configuration for all global BGP configurations D. to have a single point of configuration for all Layer 3 VPN customer VRFs
  B. to have a single point of configuration for neighbors with the same BGP policies

• Question 2:

  Refer to the exhibit.

  

  Which configuration is required on XR2 to enable MD5 IS-IS Authentication between R1 and XR2 using the password CISCO?

  A. Router isis ABC interface GigabitEthernet0/0/0/0 hello-password encrypted CISCO
  B. Router isis ABC interface GigabitEthernet0/0/0/0 hello-password hmac-md5 CISCO
  C. Router isis ABC lsp-password hmac-md5 CISCO
  D. Router isis ABC lsp-password encrypted CISCO
  B. Router isis ABC interface GigabitEthernet0/0/0/0 hello-password hmac-md5 CISCO

• Question 3:

  Drag the prefix list configuration on the left to match the correct description on the right. Not all options on the left are used.

  Select and Place:

  

  

• Question 4:

  A network engineer cannot connect different routers by eBGP using peer groups. Which two actions establish an adjacency between both routers? (Choose two.)

  A. Ensure that the peer group statements match across all routers.
  B. Ensure that ebgp-multihop is configured.
  C. Ensure that the remote-as statement is configured with the correct peer AS.
  D. Configure a weight value that is lower than the default value of 32768.
  E. Specify the weight attribute first.
  B. Ensure that ebgp-multihop is configured.
  C. Ensure that the remote-as statement is configured with the correct peer AS.

• Question 5:

  In comparing IS-IS with OSPF, a Level-1-2 IS-IS router is similar to which kind of OSPF router?

  A. ASBR on a normal OSPF area
  B. ASBR on NSSA
  C. ABR on totally stubby OSPF area
  D. ABR on stubby OSPF area
  E. ABR on a normal OSPF area
  C. ABR on totally stubby OSPF area

• Question 6:

  An engineer checks the logs in a PE with several customers and sees this output.

  *Nov 3 21:44:54:219: %TCP-6-BADAUTH: No MD5 digest from 192.168.1.2(179) to 192.168.1.1(15926) (RST) tableid -0.

  Which routing protocol is reporting the issue?

  A. RIPng
  B. BGP
  C. OSPF
  D. EIGRP
  B. BGP

• Question 7:

  Cisco IOS XE has OSPF area authentication configured for MD5 and interface authentication configured for clear text. Which configuration takes precedence?

  A. null
  B. area
  C. MD5
  D. interface
  D. interface

• Question 8:

  Which option is used by BGP for basic authentication between neighbors?

  A. TCP option 19 and MD5 hash
  B. TCP option 19 and SHA hash
  C. UDP option 19 and MD5 hash
  D. UDP option 19 and SHA hash
  A. TCP option 19 and MD5 hash

• Question 9:

  When implementing OSPF, which type of networks require DR/BDR election?

  A. point-to-point networks
  B. mutli-access broadcast networks
  C. non-broadcast multi-access networks (Hub and Spoke Frame Relay) using point-to- multipoint OSPF network type D. All networks type
  B. mutli-access broadcast networks

• Question 10:

  Refer to the exhibit.

  The route-map shown in the exhibit is applied to updates received from a BGP neighbor. Which two statements are correct regarding the Cisco IOS route map configuration? (Choose two.)

  A. The local preference will be set to 200 AND the metric will be set to 1000 IF the route matches the PL1 OR PL2 prefix list AND the route also matches the AS path 1 access list.
  B. The three match conditions are logical AND: match prefix list PL1 AND PL2 AND match the AS path 1 access list.In AS
  C. The match prefix-list condition isa logical OR: match prefix list PL1 OR PL2.
  D. All routes that are not matched by the sequence 10 route map statement will be dropped.
  E. All match conditions are logical OR: match prefix list PL1 OR PL2 OR match the AS path 1 access list.
  A. The local preference will be set to 200 AND the metric will be set to 1000 IF the route matches the PL1 OR PL2 prefix list AND the route also matches the AS path 1 access list.
  B. The three match conditions are logical AND: match prefix list PL1 AND PL2 AND match the AS path 1 access list.In AS