A.It is a label distribution protocol for MPLS
B.It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
C.Tag distribution Protocol （TDP） was the basis for LDP
D.All of the above are true
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A.NIS
B.IPCP
C.RADIUS
D.LDAP
A.The dspload screen is for all trunks； the dsptrkutl screen is for one trunk
B.The dspload screen shows the expected traffic； the dsptrkutl screen shows actual traffice
C.The information on the dspload screen never changes； the dsptrkutl screen is dynamic
D.The dspload screen shows historical information； the dsptrkutl screen shows current information
A.Set top box
B.Diplex filter
C.Local head end
D.Fiber node
A.Protects signals when a ring switch fails
B.Protects signals when multiple span switches fail
C.Protects pre-emptible traffic from being dropped when a ring switch occurs
D.Protects signals against any combination of link failure in each ring
A.Downstream RS error correction effectiveness is reduced
B.The downstream line rate and throughput remains unchanged， but FEC efficiency is reduced
C.The upstream DSL bandwidth is reduced， since less carriers become available for upstream traffic
D.The downstream DSL bandwidth is increased
最新試題
Which statement is FALSE concerning Concatenation？（）
Which three protocols use TLVs to carry attributes？（）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
There are two cabling schemes to choose from when implementing a Cisco CRS-1 multishelf system：single-module cabling and multimodule cabling. What is the maximum capacity of the LCCs that aresupported in multimodule cabling？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）
Which two routers support cable access？（）
How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode？（）
Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）
Which statement about VPLS is true？（）
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）