Which router component stores routing tables APP cache and
packet buffers?
A. ROM
B. RAM
C. AVRAM
D. Flash memory
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Which three devices can be used to convert the user data from the DTE into a form acceptable to the WAN service's facility? A. Modem B. CSU/DSU C. TA/NT1 D. CO E. SS7
Windowing is a type of? A.) Negative acknowledgement B.) Address resolution C.) Layer transition mechanism D.) Flow control
What is the difference between unicast, multicast, broadcast, and anycast?
Which of the following will show an extended access list 150? A.) sh access-list 150 B.) sh ip int C.) sh ip access-list D.) sh access-list 150 extended
What is the difference between TCP and UDP? A.) TCP is connection-oriented; UDP uses acknowledgements only B.) TCP is connection-oriented; UDP is connectionless C.) Both TCP and UDP are connection-oriented, but only TCP uses windowing D.) TCP and UDP both have sequencing, but UDP is connectionless
Explain how an spf algorithm works?
When you enter router passwords during the setup dialog what is the difference between enable and the enable secret passwords? A. The enable password is encrypted B. The enable secret password uses IPSec password authentication C. The enable secret password cannot be seen as clear text when viewing the configuration D. The enable secret password acts as a backup in case the enable password is compromised
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
We have one router,we r using two routing protocol eigrp 90 net 1.1.1.0/16, ospf 110 net 1.1.1.0/24 on same router, Is it possible?
What is name of ospf algo?
What is the difference between dynamic NAT and NAT overloading
Identify 2 features of PPP CHAP authentication? A.) Username and password is sent in clear text B.) Authentication messages are sent periodically during the connection C.) Less secure then PAP D.) Local router 'challenges' the remote router
CCNA 
