Can you connect to outside world without WAN?
How much ISDN support for data rate?
What make you to make DR, BDR and BRO in frame relay network?
How much B-ISDN can support bandwidth?’
At which layer of OSI layer model does PPP work?
You just mapped and configured frame relay on network, which command will show your frame relay mapping?
Can DCHP work on WAN link?
Which encapsulation method you will use in frame relay network?
Which command in frame relay shows lmi type?
What does ISDN stands for?
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