Online Access Free 642-883 Practice Test

Refer to the exhibit.

A network engineer is asked to verify a multiarea IP IS-IS configuration before implementing it. Which statement is true?

• A.Area addresses should be common.
• B.IS-type Level 1 must be configured on router B.
• C.Wide metrics should be used only for router A.
• D.The system ID should be unique.

Which of the following is used by an IS-IS router to detect other IS-IS neighbor routers and to form adjacencies?

• A.ISH
• B.ESH
• C.PSNP
• D.CSNP
• E.IIH

Refer to the Cisco IOS XR route policy exhibit.

Which two statements are correct? (Choose two.)

• A.The "match-any" option indicates matching either the standard community or extended community.
• B."test" and "foo" are references to the community sets.
• C.Routes that match both the "test" and "foo" conditions will have their local preference set to 20.
• D.All non-matching routes will be permitted.

When implementing LDP, what is liberal label retention mode?

• A.The LSR can assign it's own label for each destination network even though it has not been assigned a next hop label from the neighbor LSR
• B.The LSR will not perform PHP if it is operating in liberal label retention mode
• C.To reduce the convergence time, the LSR will retain all the received labels in its LIB even if all the neighbor LSRs go down temporary
• D.The LSR will store the label received from the downstream LSRs in its LIB even if the downstream LSRs are not the next hop for the destination

A network engineer wants to test a path between any two points in the network for multicast traffic to identify congestion points in the network. Which command in a Cisco
IOS XE router shows multicast traffic drops?

• A.ping
• B.mrinfo
• C.mstat
• D.mtrace