Un-Answered Questions { Certifications }

Define autonomous system (as)?

23


What is a switch and why we are using switches?

32


What is the difference between lan, man, and wan?

24


Define logical topology.

19


Explain the term 'multicast'.

21





What are the protocol data units (pdu) in ccna?

22


Explain the term 'unicast'.

20


What is topology in ccna?

17


What is the point-to-point protocol in ccna?

19


What is the difference between rip and igrp?

22





Explain the term 'broadcast'.

24


What is the usage of service password encryption?

18


What is ping? What is the usage of ping?

25


What is the difference between switch and hub?

20


What is the advantage of vlan?

25