题目内容：
A.VPIB.DLCI
C.HDLC
D.LCN
参考答案：
选择题：分组交换中用于标示虚电路的参数是()。
- 题目分类：通信计算机技能鉴定
- 题目类型：选择题
- 查看权限：VIP
Our plane ______at six and landed in Beijing A. takes off, within four hours B. took
Our plane ______at six and landed in Beijing A. takes off, within four hours B. took
绞线由两个具有绝缘保护层的铜质导线按照一定密度互相绞在一起组成,这样可以()
绞线由两个具有绝缘保护层的铜质导线按照一定密度互相绞在一起组成,这样可以()
Damage to cargo caused by dust is known as ______.A.contaminationB.oxidationC.taintingD.va
Damage to cargo caused by dust is known as ______.A.contaminationB.oxidationC.taintingD.va
When we ______ the museum is not decided. A. visitedB. visit C. will visitD
When we ______ the museum is not decided. A. visitedB. visit C. will visitD
报文交换特性描述中,正确的是()
报文交换特性描述中,正确的是()