试题详情
- 单项选择题When installing a security system， which of the following connectors would be used to connect the security system to the telephone service demarcation？（）
A、RJ-31x
B、RJ-11
C、RS-232
D、DB-9
- A
关注下方微信公众号，在线模考后查看
热门试题
- A technician&#
- Which of the followi
- A server
- Which of the followi
- Which of the followi
- Which of the followi
- Which of the followi
- Which of the followi
- A technician receiv
- Which of
- How many wire pairs
- Which of the followi
- Which of
- Which of
- Which of the followi
- A technician&#
- Fibre channel requir
- Which of
- Data encryption and
- Which of