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 15019

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 14103

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 11847

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 5906

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 9475

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 11633

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 13470

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 11620

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 13890

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

2 11048

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 8805

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 9801

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 5723

Un-Answered Questions { Cisco Certifications }

After how long eigrp protocol advertise its routing table?

1085

What is the name of distance vector algorithm?

1070

What is bgp?

1012

What are the possible ways of data transmission in ccna?

1081

Is hub intelligent device?

1094

What is Route Poisoning?

1089

Explain the terms unicast, multicast, broadcast and multicast.

1142

Mention what does the clock rate do?

1164

What is 100BaseFX?

1174

Define topology?

974

What is the usage of service password encryption?

1315

What are the differnt memory use in cisco router?

1087

Which dynamic type draw back is, if single link down, it removes its routing table?

1068

What is the difference between csma/ca?

1091

What are the different layers of osi model?

1046

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