What is the core/key feature of ISDN which make it worth using as compare to traditional services?
In your company, one router serial interface is suddenly down. The issue is “serial0 is down, line protocol is down” what will be the issue?
What does CAN standard stands for?
How can you diagnose frame relay lmi in frame relay network?
You are trying to set 5 second keep alive message on frame relay switch, which command you will use to set such timing?
How many DLCI’s can be configured on one physical link?
At which layer RTSP and RTP operate
Which command will show all current information on routing?
What configuration messages are called in Frame relay?
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