What is icmp protocol?
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Which command will enable CHAP authentication on a serial interface that is using PPP? A.) encapsulation chap B.) ppp chap C.) ppp enable chap D.) ppp encapsulation chap E.) ppp authentication chap F.) ppp chap enable
why we have to implement access list in router ??????what is the benifit and how it is configure
Which 2 commands shows the Cisco IOS filename? A.) show IOS B.) show ver C.) show flash D.) show mem E.) show NVRAM
Why OSPF uses 2 Multicast IP
Which two statements about a bridge are true? (Choose two) A. A bridge floods multicasts B. A bridge floods broadcasts C. A bridge does not flood multicasts D. A bridge does not flood broadcasts
What is the most common layer 2 device? A. Hub B. Bridge C. Switch D. Router
What is ad in ccna?
How do you disable advanced editing? A.) terminal editing B.) terminal no editing C.) disable editing D.) no terminal editing
Which updates called incremental updates?
what is the difference between a ‘half-duplex’ and a ‘full-duplex’ system?
What is refresher?
how many seriale interface a managable router has.