试题详情
- 单项选择题When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?()
A、A ping to the local address succeeds.
B、A ping to the remote address succeeds.
C、A ping to the remote address received a 'TTL expired' message.
D、The interface shows a flag indicating that a loop is detected.
关注下方微信公众号,在线模考后查看

热门试题
- When performing pass
- Which two parameters
- What is the default
- Which protocol famil
- Which three statemen
- Which two statements
- What is the proper o
- When a non-root user
- The monitor traffic
- Which two statements
- You are the top of t
- How can you reset yo
- Which two statements
- A router has been c
- Which major
- Which two̳
- After issuing the sh
- What is used to view
- If you want to test
- You are the network