A.True
B.False
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A.40
B.400
C.4000
D.40000
A.It is used for signaling on-hook and off-hook status
B.It carries CRC information for error detection
C.It is used for a control and performance information
D.It is used for a frame’s synchronization and alignment
A.The modem is commanded by the CMTS to set to the specific channel
B.The modem uses the default value in the broadcom chipset
C.The modem tuner sets a level as defined by the DOCSIS specification
D.The modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered
A.VTP
B.802.1 q
C.CDP
D.Skinny Station Protocol
A.Latency remains the same， but throughput is decreased.
B.Latency remains the same， but error correction effectives may also be reduced.
C.Latency is increased， but faster error correction occurs.
D.Fewer ATM PVCs can be provisioned on DSL line.
最新試題
What are three common reasons for ATM CRC errors？（）
Which information is carried in the OSPFv3 intra-area Prefix LSA？（）
Which three things are the building blocks of the Cisco VPLS architecture？（）
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？（）
Which Modular QoS CLI （MQC） based output queuing method is designed to support multiple trafficclasses including VoIP traffic， mission-critical traffic， interactive traffic， and default class traffic？（）
Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
Which two statements about DS-Lite are true？（）
In optical transmission systems， chirped lasers are used for the purpose of：（）.
How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode？（）