單項選擇題Which statement is FALSE concerning the interleave depth value?()

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


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1.多項選擇題Which two IOS commands are equivalents for putting a Cisco 7500 OC-12 RPR interface card intowrapped mode? ()

A.shutdown [a b]
B.srp shutdown [a b]
C.srp ips request manual-switched [a b]

4.單項選擇題What is the function of the AJB bits on DS1 using Extended Super Frame (ESF)?()

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

5.單項選擇題During the modem boot process,how does the modem acquire the downstream channel?()

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

7.單項選擇題What is the effect of changing DMT interleaved delay from 3 milliseconds to 15 milliseconds?()

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.

8.單項選擇題When gateways are registering with a gatekeeper, the gatekeeper can be().

A.On the same subnet
B.On a remote LAN
C.In a different subnet
D.Any of the above

9.單項選擇題What is the relationship between the Domain Name System (DNS) and LDAP?()

A.All the root DNS servers maintain information in a distributed LDAP tree.
B.DNS clients access DNS information by making LDAP queries to DNS servers.
C.An LDAP DN attribute is a Domain Name.
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10.多項選擇題The OSPF External LSA for prefix x.x.x.x exists in the OSPF database, but the prefix is not installed in therouting table. Which are possible explanations?()

A.Inbound distribute-list is configured under the ospf process and it is denying x.x.x.x
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D.Route to the Forwarding Address is an internal OSPF route
E.Route to the ASBR does not follow the same path as the one to the Forwarding Address

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