A.Set top box
B.Diplex filter
C.Local head end
D.Fiber node
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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
A.A higher interleave depth provides more protection from burst of noise on the HFC network
B.Higher interleave depth increase downstream latency
C.Lower interleave depth cause some packet loss on typical HFC networks
D.None ofthe above
A.shutdown [a b]
B.srp shutdown [a b]
C.srp ips request manual-switched [a b]
A.True
B.False
最新試題
Which statement about the use of Route Target Rewrite is true?()
Which two statements about Layer 3 MPLS VPN are true?()
Which of the following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy?()
MPLS label mapping on an LSR is displayed by which IOS command?()
What layer of the TMN (telecommunications management network) model does CTM fit into?()
Which three protocols use TLVs to carry attributes?()
Which three statements about MPLS traffic engineering (MPLS TE) are true? ()
Which two statements about 10 Gigabit Ethernet (10GE) are true?()
Which statement is FALSE concerning Concatenation?()
Which three are advantages of SONET?()