CCNA Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

CCNA Interview Questions

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Given the address 172.16.2.120 and the subnet mask of 255.255.255.0. How many hosts are available? A. 254 B. 510 C. 126 D. 16,372

1 15017

Which addresses are valid host addresses? A. 201.222.5.17 B. 201.222.5.18 C. 201.222.5.16 D. 201.222.5.19 E. 201.222.5.31

VGH,

2 8721

You are a network administrator and have been assigned the IP address of 201.222.5.0. You need to have 20 subnets with 5 hosts per subnet. What subnet mask will you use? A. 255.255.255.248 B. 255.255.255.128 C. 255.255.255.192 D. 255.255.255.240

2 14101

You are given the IP address of 172.16.2.160 with a subnet mask of 255.255.0.0. What is the network address in binary? A. 10101100 00010000 B. 00000010 10100000 C. 10101100 00000000 D. 11100000 11110000

2 11846

Which addresses are INCORRECTLY paired with their class? A. 128 to 191, Class B B. 192 to 223 Class B C. 128 to 191, Class C D. 192 to 223, Class C

3 5905

Which addresses are INCORRECTLY paired with their class? A. 1 to 126, Class A B. 128 to 191, Class A C. 1 to 126, Class B D. 128 to 191, Class B

3 9473

Which addresses are INCORRECTLY paired with their class? A. 240 - 255, Class D B. 240 - 255, Class E C. 224 - 239, Class D D. 224 - 239, Class E

2 7715

Which IP Address Class is INCORRECTLY paired with its range of network numbers? A. Class A addresses include 192.0.0.0 through 223.255.255.0 B. Class A addresses include 1.0.0.0 through 126.0.0.0 C. Class B addresses include 128.0.0.0 through 191.255.0.0 D. Class C addresses include 192.0.0.0 through 223.255.255.0 E. Class D addresses include 224.0.0.0 through 239.255.255.0

4 11631

Which IP Address Class can have 16 million subnets but support 254 hosts? A. Class C B. Class A C. Class B D. Class D

3 13465

Which IP Address Class can have 64,000 subnets with 64,000 hosts per subnet? A. Class B B. Class A C. Class C D. Class D

2 11617

There are two processes to pair MAC address with IP addresses. Which process finds an IP address from a MAC address? A. RARP B. ARP C. RIP D. IGRP

3 13884

When the router runs out of buffer space, this is called ________. A. Source Quench B. Redirect C. Information Request D. Low Memory

2 11042

Which protocol carries messages such as destination Unreachable, Time Exceeded, Parameter Problem, Source Quench, Redirect, Echo, Echo Reply, Timestamp, Information Request, Information Reply, Address Request, and Address Reply? A. ICMP B. UDP C. TCP D. TFTP E. FTP

TCP,

2 8798

Two of the protocols that can be carried in the Protocol field of an IP packet are? A. TCP B. UDP C. FTP D. TFTP

2 9798

Where would network testing be included in an IP packet? A. IP Options field B. Identification field C. Type of Service field D. Reservation field

1 5718

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Un-Answered Questions { CCNA }

Which protocol works only on cisco routers?

1078

What is cam?

1119

What is syntax of ipv4?

1211

What is name of ospf algo?

1136

Name the protocol which can do load balancing on unequal cost also?

1052

On which mode we give debug command?

1112

What is 10base2 ethernet lans?

1039

Why mac address called physical address?

1185

What is the draw back of eigrp protocol?

1112

Which layer are called upper layer?

1040

What is default size of hello packets in ospf?

1076

How many ways to access router?

1101

What are the different types of the password used in securing a cisco router?

1135

I simulate ten routers r1 to r10 straightly. I want I can ping from the loop of r1 to loop of r10, but I want I cant ping r1 and r10 from inside routers.?

1038

Which type for communication switch do?

1086

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