Networking Interview Questions Archive

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Which UDP ports should be open on a firewall to allow traffic from a L2TP/IPSEC based VPN clients to a PPTP VPN server on the inside UDP port 500 for IKE traffic, UDP port 1701 for L2TP communication between client and server and UDP port 4500 for

Firewall interview questions and answers

The following are network firewall interview questions and answers which is asked during a Cyber security job interview. We explain the different questions on packet filtering firewalls with a real time example. The questions are based on the below scenario. Scenario A web server is configured behind

What port does ping use

‘What port does ping use’ is a common networking interview interview question. The answer to the question and the probable questions which can be asked around this topic is explained. Ping uses ICMP protocol. ICMP works at the network layer of the OSI model. Ping does not

Networking Protocols interview questions

The following are networking protocols interview questions. Test your knowledge on these protocols before attending a network engineer interview. Which networking protocol can be used to remotely access files on a server FTP protocol. Which protocol does ping use at the transport layer Ping does not have

How to prepare for network engineer interview

Learn how to prepare for a network engineer interview and get your dream job. The following are the top topics on which you would be asked questions for any network engineer interview. It is recommended that you have a sound foundation on these topics before you attend

Networking scenario based interview questions and answers

The following is a scenario based networking interview question based on VPN technology. This question is sample from the Ebook 250 Network and security admin interview questions and answers. Click here to view details on Amazon The questions are based on the below network topology. Question 1

wlan interview questions and answers

The following are the top wlan interview questions and answers asked for networking and wireless network engineer job interviews 1. You have been asked to setup a server based authentication for wlan authentication. Name a free server which you would use for this setup. Freeradius can be

OSI Model interview questions and answers

OSI model is an important concept which is asked for network and security job interviews.Check out the list of OSI model interview questions and answers. At which layer of the OSI model does ethernet frames come. Ethernet frames comes at the data link layer of the OSI

What is a port number – Networking interview question

This interview question is asked for networking related jobs. The concept of port numbers in networking and where it is used is explained. ——————————————————————————————————————- This question is a sample question from the ebook – 250 Network Administrator Interview Questions and Answers – Click here ——————————————————————————————————————- A port

SSL interview questions and answers

The following are SSL interview questions and answers which is ideal for candidates aspiring for networking, web programming, cloud networking and security job interviews. 1. Does http use SSL protocol No. http is an insecure protocol which does not use any security protocol. 2. Which transport layer