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 15100

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 8837

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 14236

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 11999

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 6107

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 9625

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 7835

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 11802

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 13604

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 11733

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 14020

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

2 11191

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 8946

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 9908

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 5808

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Un-Answered Questions { CCNA }

What is the easiest way to remotely configure a router?

1239

what command you must use if you want to delete or remove the configuration data that is stored in the NVRAM?

1227

What is the purpose of the Data Link?

1101

What are the different memories that are used in a cisco router?

1131

Default packet size of ipv6?

1129

Why is distributed processing useful?

1176

What is subnetting? Why is it used?

1257

After how long eigrp protocol advertise its routing table?

1165

Explain isakmp ?

2656

What are the different types of VPN?

1989

What is the icmp protocol?

1125

What causes a triggered update to reset the router hold-down timer?

1253

What are the different IPX access lists?

1242

What is the function of application layer in networking?

1076

What we called 64 bit mac-address in ipv6?

1247

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