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【单项选择题】

Refer to the exhibit. Based on this command output, what can we conclude about R3?()<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018073016165696442.jpg" /><p> Refer to the exhibit. Based on this command output, what can we conclude about R3?()<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018073016165696442.jpg" /></p>

A、A. R3 is an ABR.

B、B. R3 is not connec ted to the backbone.

C、C. R3 has four neighbors.

D、D. R3 is the DR for area 2.

更多“Refer to the exhibit. Based on this command output, what can we conclude about R3?()<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018073016165696442.jpg" /><p> Refer to the exhibit. Based on this command output, what can we conclude about R3?()<br /> <img src="https://img.ppkao.com/2018-07/yiyu/2018073016165696442.jpg" /></p>”相关的问题
第3题

A、A. CGMP version 2 is being used.  B、B. The switch will use sparse mode first, dense mode second.  C、C. A rendezvous point must be configured in order for the interface to operate in sparse mode.  D、D. IGMP version 2 is being used.  E、E. The rendezvous point is IP address 172.16.4.16.  F、F. If a rendezvous point is configured, the interface cannot operate in dense mode.  

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第4题

A、A.DLCI 17 describes the ISDN circuit between R2 and R3.  B、B.DLCI17 describes a PVC on R2.It cannot be used on R3 or R1.  C、C.DLCI17 is the Layer 2 address used by R2 to describe a PVC to R3.  D、D.DLCI17 describes the dial-up circuit from R2 and R3 to the service provider.  

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第5题

A、A.192.168.25.0255.255.255.240  B、B.192.168.25.16255.255.255.252  C、C.192.168.25.0255.255.255.252  D、D.192.168.25.28255.255.255.240  E、E.192.168.25.16255.255.255.240  

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第9题

A、one  B、two  C、three  D、four  E、five  F、six  

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