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Categories >> Certifications >> Cisco Certifications >> CCNA
 
 


 

 
 CCNA interview questions  CCNA Interview Questions (1889)
 CCDA interview questions  CCDA Interview Questions (88)
Question
Which protocol will let neighbor routers know if your
internetwork

experienced congestion on a serial port?

A.) BootP

B.) IP

C.) ICMP

D.) ARP

E.) FTP

F.) RARP
 Question Submitted By :: CCNA
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Answer: C

Internet Control Message Protocol - ICMP is a management
protocol and

messaging service provider for IP. Its messages are carried
as IP

datagrams.

ICMP is used in the following events:

Destination Unreachable - If a router cannot send an IP
packet any

further, it uses an ICMP echo to send a message back to the
sender

notifying it that the remote node is unreachable.

Buffer Full - If a routers memory buffer is full ICMP will
send out a

message to the originator.

Hops - Each IP datagram is assigned a path. This consists of
hops. If it

goes through the maximum number of hops, the packet is
discarded and the

discarding router sends an ICMP echo to the host.

Ping - Ping use ICMP echo message to check connectivity.
 
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Other CCNA Interview Questions
 
  Question Asked @ Answers
 
Identify the hardware component that stores the backup configuration? A.) RAM B.) NVRAM C.) Flash D.) ROM   1
What is difference between IPv4 & IPv6?? Hathway 7
Given the Novell IPX address 1aceb0b.0000.0c12.3456 which part is the network portion of the address? A.) 0000 B.) 1 C.) 3456 D.) 1ace E.) 0000.0c12.3456 F.) 1aceb0b   2
What is the default LMI type for Cisco Routers that are using Frame-Relay? A.) Annex D B.) Q933A C.) Cisco D.) IETF E.) ARPA F.) Anex A   2
When determining whether or not to route a LAN segment, which rule of thumb do you use? A.) 60/40 B.) 50/50 C.) 80/20 D.) 90/10 E.) 70/30   1
Identify the following command to configure a secret password to 'cisco'? A.) Router(config)#enable password cisco secret B.) Router(config)#enable secret cisco C.) Router(config)#enable secret password cisco D.) Router(config)#set secret = cisco   1
IGRP uses flash updates, poison reverse updates, holddown times, and split horizon. How often does it broadcast its routing table updates? A. 90 seconds B. 10 seconds C. 30 seconds D. 45 seconds   1
Identify the hardware component used to store buffers, tables, running-configuration etc? A.) NVRAM B.) ROM C.) RAM D.) Flash   4
The CSMA/CD Ethernet IEEE committee is defined as which of the following? A.) 802.2 B.) 802.3 C.) 802.4 D.) 802.5   2
Given the following output, how can we close Telnet session 2? (Choose two) CCNA2620#show sessions Conn Host Address Idle Conn Name 1 131.108.100.152 131.108.100.152 0 131.108.100.152 *2 126.102.57.63 126.102.57.63 0 126.102.57.63 ❍ A. Press the Enter key and enter exit. ❍ B. Enter disconnect 2. ❍ C. Press the Enter key and enter disconnect 2. ❍ D. Enter close 2.   1
How many collisions are caused by transmitting and receiving frames simultaneously in a full-duplex Ethernet technology? A. one B. two C. none D. several   1
What does the IPX maximum-path command do? A.) Allows you to disable the TTL on an IPX packet B.) This parameter is only used in NLSP routing C.) Sets the maximum metric that can appear in the routing table D.) Configures round robin load sharing over multiple equal metric paths (parallel paths)   1
 
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