多项选择题
Which three authentication options does IS-IS support？（）
A.MD5
B.DES
C.Kerberos
D.Unauthenticated
E.Simple password
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相关考题
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多项选择题
WhichfourcomponentsmakeuptheNetworkEntityTitle（NET）ofanIS-ISrouter？（）
A.AF
B.AFI
C.MAC
D.Area
E.SysID
F.A-Selector
G.N-Selector
H.IP-address -
单项选择题
RoutersAandBareconnectedwithapoint-to-pointOC-3interface.Eachrouter’sOC-3interfaceisconfiguredforbothLevel1andLevel2.Theroutersareconfiguredindifferentareas.HowmanyIS-ISadjacenciesexistbetweenthetworouters？（）
A.0
B.1
C.2
D.3 -
单项选择题
InIS-IS，howdoestherestartingrouterinformitshelpersthatarestartseventoccurred？（）
A.Sending out a graceful restart PDU
B.Sending an LSP that contains no TLVs.
C.Sending out a restarts TLV with the RR bit set.
D.Reflooding its LSP with a maximum sequence number.
