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
what is hop count?
Which layer is responsible for flow control, acknowledgement, and windowing? A.) Transport B.) Network C.) Application D.) Session E.) Physical F.) Data Link
What is the beaconing?
When a router knows the IP address, but does not know the MAC address of the device it wishes to contact, it uses the ARP (Address resolution protocol) to determine the MAC address. After it learns the MAC address, it stores this information in the ARP cache. What is the command to view the ARP cache? A.) sh mac B.) show cache C.) show arp D.) sh arp interfaces E.) show ip cache
A ISDN BRI circuit can be described as a which of the following? A.) 3B channels B.) 2-64Kbps B channels and 1-16Kbps D channel C.) none of the above D.) 2-64Kbps B channels and 1-16Kbps C channel
What is the difference between arp and rarp?
Which of the following use PVCs at layer 2? A.) X.25 B.) HDLC C.) Frame relay D.) ISDN
In the command "router igrp 109" what does 109 signify? A. an autonomous system B. any network number which the router is attached to C. the allowable length of the routing table D. the network socket number
Identify 3 feature of access-lists? A.) Implicit deny will deny any packets not matched B.) Processed sequentially from bottom to top C.) Processed sequentially from top to bottom D.) If a packet is denied it would be tested against the remaining statements in the access-list E.) Once a match is made the packet is either denied or permitted F.) Enabled on all interfaces by default
what is difference between designated router and backup designated router and explain feature of both router.
On which base switches take decisions?
What command would show the version of the IOS that you are running? A.) show nvram B.) show version C.) show startup-config D.) show ios E.) ver -a F.) show ram