单选题Which device enables a router serial interface to connect to the ISDN BRI?（）ANT2BNT1CTEDTAETE1
单选题
Which device enables a router serial interface to connect to the ISDN BRI?（）
A
NT2
B
NT1
C
TE
D
TA
E
TE1
参考解析
解析：
暂无解析
相关考题：
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