单项选择题

How is the cost of a virtual link in OSFP calculated？（）

A.Takes the metric of the outgoing interface.
B.Uses the metric that is assigned during configuration.
C.Uses the path metric to reach the virtual neighbor.
D.Uses a default of zero unless otherwise specified.

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热门试题

单项选择题WhatisthefunctionperformedbyLSAType1？（）

A.Create virtual links.
B.Advertise external prefixed.
C.Summarize routes between areas.
D.Advertise a router’s interfaces and metrics.

多项选择题WhichthreeauthenticationoptionsdoesOSPFsupport？（）

A.DES
B.MD5
C.Kerberos
D.Unauthenticated
E.Simple password

单项选择题RoutersAandBhaveanOC12candaGElinkbetweenthemandarerunningOSPFoverbothoftheselinks.Whichitemiscorrect，assumingthedefaultJUNOSsoftwareOSPFmetriccalculation？（）

A.There are two equal cost paths between A and B
B.The GE link is the preferred path between A and B
C.The OC12c link is the preferred path between A and B
D.Manual metric assignment must be configured to determine the outcome.

多项选择题YouwanttolimitthenumberofType7LSAstobeconvertedintoType5LSAsatanappropriateARB.Whichtwocommandsshouldyouusefromthe[edit]hierarchylevelwithintheJUNOSsoftwareconfigurationmode？（）

A.set protocols ospf area-range network/mask-length
B.set protocols ospf area area-id nssa area-range network/mask-length
C.set protocols ospf area area-id area-range network/mask-length restrict
D.set protocols ospf area area-id nssa area-range network/mask-length restrict

单项选择题Given the topology displayed in the exhibit. All links have an OSPF metric of 10.The link between Router A and Router B is in area 0.0.0.0. All other links are in area 0.0.0.1.What does Router A do with packets destined for Network Z？（）

A.Forwards them to Router B
B.Forwards them to Router C
C.Detects a routing loop and discards them.
D.Forwards them to Router B and Router C alternately.