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【单选题】
单克隆抗体制备过程中融合细胞筛选采用的方法是:A.
温度敏感
B.
HAT
C.
营养缺陷
D.
荧光激活细胞分选仪
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【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.
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.