当前位置:在线题库搜索>[单选题]Customer X has a hub-and-spoke Frame Relay network, with a central office and two branch offices(RemoteA and RemoteB). Each location has only one physical link to the Frame Relay cloud and RemoteB has a router that is not a Cisco router. Since the installation,there is no connectivity between RemoteB and the central office. What is a possible solution to this issue?()的答案是什么?

问题:

[单选题]Customer X has a hub-and-spoke Frame Relay network, with a central office and two branch offices(RemoteA and RemoteB). Each location has only one physical link to the Frame Relay cloud and RemoteB has a router that is not a Cisco router. Since the installation,there is no connectivity between RemoteB and the central office. What is a possible solution to this issue?()

A、Because Frame Relay IETF encapsulation is only configurable at interface level, you must use IETF encapsulation on all routers.
B、This is not a possible scenario. A dedicated Frame Relay link to RemoteB is mandatory at the central office.
C、The router at RemoteB must be replaced by a Cisco router.
D、Use Frame Relay IETF encapsulation on a per-VC basis on the central office router.
E、There is a problem in the Frame Relay cloud, because Cisco routers are compatible with IETF Frame Relay.

参考答案: D

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