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WhenanalogsignalsaredigitizedusingtheG.711codec,voicesamplesareencapsulatedintoprotocoldataunits(PDUs)involvingwhichthreeheaders?()
A.IP
B.TCP
C.RTP
D.UDP
E.H323
F.CRTP
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What is the purpose of IS－IS level boundaries?()
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Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?()
A. An Adjacency is formed.B. No IS-IS PDUs are sent.C. An Adjacency does not form.D. An Adjacency forms but traffic is not forwarded.
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Which three characteristics apply to IS － IS but not to OSPF?()
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When analog signals are digitized using the G.711 codec， voice samples are encapsulated into protocol data units （PDUs） involving which three headers？ （）A、IPB、TCPC、RTPD、UDPE、H323F、CRTP
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ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A、TrueB、False
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Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A、An Adjacency is formed.B、No IS-IS PDUs are sentC、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
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Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A、An Adjacency is formed.B、No IS-IS PDUs are sent.C、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
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Which three characteristics apply to IS - IS but not to OSPF?（）A、uses a default IOS metric of 10 on each interfaceB、uses an on - demand circuit to reduce the hello and LSA flooding across switched WAN li nks,such as ISDNC、uses a DIS and a backup DIS to present the psuedo - node on the LAND、encapsulates PDUs directly into a data - link frameE、uses stubby areas to improve network scalabilityF、runs PRC (Partial Route Calculations) to calculate IP re achability information
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多选题When analog signals are digitized using the G.711 codec， voice samples are encapsulated into protocol data units （PDUs） involving which three headers？ （）AIPBTCPCRTPDUDPEH323FCRTP
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单选题Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A
An Adjacency is formed.B
No IS-IS PDUs are sent.C
An Adjacency does not form.D
An Adjacency forms but traffic is not forwarded.
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多选题Which three characteristics apply to IS - IS but not to OSPF?（）Auses a default IOS metric of 10 on each interfaceBuses an on - demand circuit to reduce the hello and LSA flooding across switched WAN li nks,such as ISDNCuses a DIS and a backup DIS to present the psuedo - node on the LANDencapsulates PDUs directly into a data - link frameEuses stubby areas to improve network scalabilityFruns PRC (Partial Route Calculations) to calculate IP re achability information
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单选题Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A
An Adjacency is formed.B
No IS-IS PDUs are sentC
An Adjacency does not form.D
An Adjacency forms but traffic is not forwarded.
考题
单选题ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A
TrueB
False
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