Which two physical interfaces support PPP? (Choose two)
A. Ethernet
B. Token Ring
C. Synchronous serial
D. Asynchronous serial
Identify 3 characteristics of ISDN? A.) Transports voice and data B.) Transports voice only C.) Support both BRI and PRI D.) Runs over existing phone lines E.) Same as X.25
Which protocol called rapid protocol?
Identify the keystroke to position the cursor to the beginning of a command line? A.) Ctrl-A B.) Ctrl-Ins C.) Ctrl-B D.) Ctrl-Z
what is subnet mask?
What is the role of the LLC sublayer?
What command do we give if router IOS is stuck?
What is the purpose and default value of the CDP timer command? A.) 90 seconds; interval before an entry expires B.) 60 seconds; interval between updates C.) 60 seconds; interval before an entry expires D.) 90 seconds; interval between updates
You need to come up with a TCP/IP addressing scheme for your company. Which two factors must you consider when you define the subnet mask for the network? A.) The location of DHCP servers B.) The volume of traffic on each subnet C.) The number of subnets on the network D.) The location of the default gateway E.) The number of host IDs on each subnet
if 10 pc's connected from internet, in 8 pc's internet is correctly run but in other 2 pc's they can not access internet,what's the problem?
What is an autonomous system?
Wild card mask always in odd value or even?
What is osi?