多項選擇題Which three of these statements about penultimate hop popping are true?()

A.It is used only for directly connected subnets or aggregate routes.
B.It can only be used with LDP.
C.It is only used when two or more labels are stacked.
D.It enables the Edge LSR to request a label pop operation from its upstream neighbors.
E.It is requested through TDP using a special label value that is also called the implicit-null value.
F.It is requested through LDP using a special label value that is also called the implicit-null value.


您可能感興趣的試卷

你可能感興趣的試題

2.單項選擇題You have two EBGP peers connected via two parallel serial lines. What should you do to be able to load-balance between two EBGP speakers over the parallel serial lines in both directions? ()

A.nothing,BGP automatically load-balances the traffic between different autonomous systems on all available links
B.peer between the eBGP speaker’s loopbacks, configuring eBGP multihop as required, and use an IGP to load-share between the two equal-cost paths between the loopback addresses
C.configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the EBGP peer loopback address;it is also necessary to use the next-hop-self command
D.use the ebgp-load-balance command on the neighbor statement on both sides
E.configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the peer loopback address;it is also necessary to use the ebgp-multihop and next-hop-self commands

3.單項選擇題Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector?()

A.prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributed
B.all prefixes in its routing table
C.prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed
D.prefixes received from EBGP peers and prefixes received from route reflectors
E.prefixes received from other IBGP peers, prefixes received from EBGP peers,and prefixes redistributed to BGP
F.prefixes received from other IBGP peers and prefixes received from route reflectors

最新試題

As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?()

題型:單項選擇題

什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配?

題型:問答題

aaa架構(gòu)中哪個是要求用戶輸入用戶名和密碼?

題型:問答題

如何實現(xiàn)擁塞避免?

題型:問答題

Refer to the exhibit.Which statement describes DLCI 17?()

題型:單項選擇題

兩ebgp鄰居發(fā)路由過來 ,哪些屬性重置?

題型:問答題

The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?() 

題型:單項選擇題

Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?()

題型:單項選擇題

The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?()

題型:單項選擇題

When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?()

題型:單項選擇題