Category Archives: Networking

Windows admin interview questions

Describe how the DHCP lease is obtained. It’s a four-step process consisting of (a) IP request, (b) IP offer, © IP selection and (d) acknowledgement.

Also posted in Windows | 8 Comments

Network engineer/architect interview questions

Explain how traceroute, ping, and tcpdump work and what they are used for?
Describe a case where you have used these tools to troubleshoot.

Posted in Networking | 5 Comments

Wireless engineer interview questions

A recruiter from Atlanta submitted this set of questions for interviewing at a wireless equipment company.

Describe your home WLAN setup.(Pay attention to candidate’s confidence. Plus if the candidate built it himself. Plus if the network is secured additionally, regardless of the protocols used. Plus if the candidate fought poor coverage.)

Posted in Networking | 6 Comments

CCNA/Cisco admin interview questions

You need to retrieve a file from the file server for your word processing application, which layer of the OSI model is responsible for this function?

Presentation layer
Application layer
Session layer
Transport layer
Datalink layer

Posted in Networking | 12 Comments

Networking and protocols interview questions

Q: What are the seven layers of the OSI model?
A: The layers are physical, data link, network, transport, session, presentation, and application layers.

Posted in Networking | 6 Comments

Networking interview questions

Q1. Name of seven layers in Open System Interconnection model.
A. They are Application, Presentation, Session, Transport, Network, Data link, and Physical.

Posted in Networking | 2 Comments

Network programming interview questions

Question 1: How does the race condition occur?
It occurs when two or more processes are reading or writing some shared data and the final result depends on who runs precisely when.

Posted in Networking | 8 Comments

Networking and Unix interview questions

What is UTP?
UTP — Unshielded twisted pair 10BASE-T is the preferred Ethernet medium of the 90s. It is based on a star topology and provides a number of advantages over coaxial media:
It uses inexpensive, readily available copper phone wire. UTP wire is much easier to install and debug than coax. UTP uses RG-45 [...]

Posted in Networking | 3 Comments