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 15113

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 8853

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 14251

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 12015

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 6131

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 9641

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 7847

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 11831

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 13621

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 11745

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 14039

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

2 11208

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 8954

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 9930

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 5812

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Un-Answered Questions { CCNA }

What is default cost of serial interface in ospf?

1203

Which type of transmission bus topology support?

1233

What are the two types of transmission technology use in ccna?

1117

What is bgp?

1069

Which type of updates eigrp protocol do?

1009

What is the key advantage of using switches?

1208

How is private ip different from public ip?

1090

Name which protocols are link states?

1599

Tell me which cable called roll-over?

1094

what is the concept of HA and FA in VPN tunneling?

3888

After how long ospf exchange its topology table?

1239

How do we do encryption and authentication in L2TP?

2208

Define the multicast routing?

1675

Explain the difference between switch & hub?

2244

What is a digital certificate?

2047

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