An RSVP session is maintained with the periodic exchange of which two message types?() (Choose two.)
- A、path
- B、resv
- C、session
- D、keepalive
正确答案:A,B
答案解析:有

微信扫一扫手机做题
An RSVP session is maintained with the periodic exchange of which two message types?() (Choose two.)
微信扫一扫手机做题