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

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Cisco Certifications 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 15117

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 8856

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 14259

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 12024

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 6140

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 9646

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 7855

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 11838

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 13629

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 11754

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 14048

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

2 11225

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 8966

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 9941

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 5817

Un-Answered Questions { Cisco Certifications }

What is the usage of service password encryption?

1416

What is GRE in PPTP?

2120

What does protocol mean?

1250

What is a vlan? What does vlan provide?

1273

Define the virtual channel?

1051

Define the virtual path?

1097

What are the advantages of lan switching?

1090

Differentiate Logical Topology from Physical Topology

1178

What are partial updates?

1092

Explain isakmp ?

2672

In port based access-list which command you give instead of ip?

1141

What is raid in ccna?

1243

What is the difference between csma/ca?

1163

What is the difference between hub, switch, and router?

1280

How many hope count rip or rip2 can send updates?

1113

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