基本存款账户自人民银行核准日起()个工作日后才能办理付款业务
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升降钻具时,必须使用垫叉,禁止以管钳、链钳代替垫叉。?
A. 正确
B. 错误
发电机励磁回路发生一点接地时,应投入励磁回路两点接地保护.
A. 正确
B. 错误
母线如无明显故障,可用发电机零起升压或选用适当电源线试送.
A. 正确
B. 错误
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.