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What are the two most common request/reply pair with ICMP
messages when using the ping command? (Choose two)
A. echo reply
B. echo request
C. source quench
D. fragment onset
E. information redirect
F. destination reachable
G. echo control message
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In which three situations is a hold down timer reset? (Choose three) A. when the hold down timer expires B. when infinity is finally defined as some maximum number C. when the router exchanges update summaries at area borders D. when the router detects faulty LSPs propagating through the internetwork E. when another update is received indicating a new route with a better metric F. when another update is received indicaing the original route to the network has been restored G. when the router receives a processing task proportional to the number of links in the internetwork
You have an IP host address of 201.222.5.121 and a subnet mask of 255.255.255.248. What is the broadcast address? A. 201.222.5.127 B. 201.222.5.120 C. 201.222.5.121 D. 201.222.5.122
How many types of ips?
When you mistakenly type the wrong command at the Router# prompt the router does a DNS lookup which takes about 20 seconds. Which command can you enter to prevent the router doing this in future?
What is the usage of service password encryption?
Which statement about the data link connection identifier (DLCI) is true? A. It is a number that identifies a local virtual circuit in a Frame Relay network B. It is a signaling standard between the CIDE device and the Frame Relay switch C. It is the clock speed (pod speed) of the connection (local loop) to the Frame Relay Cloud D. It is the Maximum number of uncommitted bits that the Frame Relay switch will attempt to transfer beyond the Committed Information Rate (CIP)
Identify the mode reflected by the following prompt 'Router'? A.) Setup B.) RXBoot C.) Boot mode D.) Privileged exec mode
Which three are typical operational phases in a basic connection oriented network service? A. call setup B. data transfer C. load balancing D. call termination E. caller ID F. call prionflication G. data segmentation H. data and momma I. data link identification J. callering book
Explain the terms unicast, multicast, broadcast and multicast.
In distance-vector routing, there is a problem known as the 'count to infinity' problem. What is the most direct solution to this? A.) Defining a Maximum. B.) You can not solve the 'count to infinity' problem with a distance vector protocol. C.) Poison Reverse. D.) Triggered Updates. E.) Split Horizon.
Identify the command to reload the router? A.) Router(config)# reload B.) Router# reset C.) Router# reload D.) Router> reload
What command displays the OSPF section of the running-configuration?
CCNA 
