在PACK超温时,哪个传感器气动关闭PACK流量控制活门()
A. 引气温度传感器;
B. 压气机超温传感器;
C. 压气机气动超温传感器
When is it necessary to use a public IP address on a routing interface?()
A. Connect a router on a local network.
B. Connect a router to another router.
C. Allow distribution of routes between networks.
D. Translate a private IP address.
E. Connect a network to the Internet.
L2TP建立隧道时使用的消息有()
A. SCCRQ(Session-Control-Connecting-Request)
B. SCCRP(Session-Control-Connecting-Reply)
C. ICRQ(Incoming-Call-Request)
D. ICRP(Incoming-Call-Reply)
模拟信号经抽样后,即为PCM信号。
A. 正确
B. 错误