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

Networking AllOther (430)

Networking Interview Questions

Questions Answers Views Company eMail

How can I tell if a port is blocked?

1060

How can I tell if my isp is blocking ports?

981

How can I tell if port 25 is open?

998

How do I check if a port is open on my mac?

1009

How do I check if a port is open telnet?

1010

How do I check if a port is open?

1000

How do I check if my firewall is blocking a port?

1012

How do I check if port 22 is open?

1028

How do I find my server port?

971

How do I find out what program is using a port?

1071

How do I find out what service is using a port?

1019

How do I find what ports are being used on my mac?

1053

How do I know if my ftp port 21 is blocked?

918

How do I stop pid 4 from using port 80?

1020

How do I unblock a port?

1067

Un-Answered Questions { Networking }

Is there any training institute for network protocol testing / communication protocol testing / data-com protocol testing?

2529

Explain the use of a default gateway?

959

what is Voltage levels of rs232x?

1174

What is the range of addresses in the classes of internet addresses

1137

Describe a recent short term stressful situation and how you managed it?

2239

How do you find a ip address?

1015

What is the difference between a straight-through and crossover cable?

366

What is the last major networking problem you troubleshot and solved on your own in the last year?

1992

Explain various cabling techniques used in IEEE 802.3 standard.

2125

Explain Q.931 and its use.

310

What is HTTP and can you list few protocols with explanations?

1096

Explain 1-persistent, p-persistent and 0-persistent CSMA giving strong and weak points of each.

3049

In how many ways the data is represented and what are they?

370

Assuming classful addressing, find the no of subnets and the no of hosts per subnet for the following blocks: (i) 122.45.77.32/20 (ii) A class B block having mask of 255.255.192.0

2589

Enumerate the main responsibilities of data link layer ?

1942

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