Cisco 642-883 Exam Preparation Guide

Question No. 1

Which router has the su 10.5.10.0/24 [20/115] entry pointing to NullO in its routing table and why? (Choose two.)

• A. CE5
• B. PE5
• C. PE6
• D. The router is summarizing 10.5.10.1/32 into 10.5.10.0/24
• E. The router is suppressing the 10.5.10.0/24 route
• F. The L2/L1 IS-IS router is blocking the 10.5.10.0/24 interarea route to the L1-only router

Question No. 2

Refer to the Cisco IOS route map configuration exhibit.

Which two statements are correct? (Choose two.)

• A. The match prefix-list condition is a logical OR: match prefix list PL1 OR PL2.
• B. All match conditions are logical OR: match prefix list PL1 OR PL2 OR match the APACL1 AS path access list.
• C. The three match conditions are logical AND . match prefix list PL1 AND PL2 AND match the APACL1 AS path access list.
• D. The local preference AND the metric will be set to 100 IF the route matches the PL1 OR PL2 prefix list AND the route must also match the APACL1 AS path access list.
• E. All routes that are not matched by the sequence 10 route map statement will be dropped.

Question No. 3

Which three valid session commands are supported by peer session templates? (Choose three.)

• A. local-as
• B. as-override
• C. inherit peer-session
• D. inherit peer-policy
• E. disable-connected-check
• F. route-reflector-client

Question No. 4

Refer to the exhibit.

Which two configuration options can be used to optimize the IS-IS network scenario? (Choose two.)

• A. Change the R1 and R2 IS type to Level 2.
• B. Change the R1 and R2 IS type to Level 1.
• C. Change the gi0/0 interface IS-IS circuit type on R1 and R2 to Level 2 only.
• D. Change the gi0/1 interface IS-IS circuit type on R1and R2 to Level 1.
• E. Change the IS type for all the routers to Level-1-2.
• F. Change the IS-IS network type for all the routers to point-to-point.

Question No. 5

Refer to the exhibit.

R2 does not have R1 1.1.1.1/32 subnet in its BGP table. Which issue can be causing this problem?

• A. There is no route-reflector configuration in AS 100.
• B. IPv4 address-family isnot enabled on R1.
• C. R2 does not have next-hop-self for a XR4 iBGP session.
• D. XR4 drops any update coming from R1 because there is no RPL policy applied.

Question No. 6

An engineer is working on routers within AS 100. Which regular expression can be used in an AS path access list to match locally originated routes from AS 100?

• A. ^100$
• B. ^$
• C. _100$
• D. ^[0-9]*$

Question No. 7

What is the configured IS-IS circuit-type between the CE5 and PE5 routers and between the PE5 and PE6 routers? (Choose two.)

• A. Circuittype L1 between CE5 and PE5 4
• B. Circuittype L1/L2 between CE5 and PE5
• C. Circuittype L2 between CE5 and PE5
• D. Circuittype L1 between PE5 and PE6
• E. Circuittype L1/L2 between PE5 and PE6
• F. Circuittype L2 between PE5 and PE6

Question No. 8

Refer to the exhibit.

R2 does not have R1 1.1.1.1/32 subnet in its BGP table. Which issue can be causing this problem?

• A. XR4 does not have next-hop-selffor a R2 iBGP session.
• B. R2 does not have no auto-summaryconfigured.
• C. XR4 drops any update coming from R1.
• D. IPv4 address-family is not enabled on R1.

Question No. 9

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.