10 Basic Interview Questions and Answers on Linux Networking – Part 1

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22 Responses

  1. boethius says:

    A few suggestions for your content as someone who has been in IT systems and network operations for over 20 years:

    1. The preponderance of three-letter acronyms for network types is overkill. I wouldn’t expect even a skilled network engineer to know what a “PAN” or “GAN” is. Frankly I’d never heard of either, though I suppose network survey books on the fundamentals of networking may indeed throw those largely disposable terms at newbies. WAN, LAN, SAN, MAN, and possibly WLAN are really the only ones I’ve seen in popular parlance and I’ve been in this business for a long time.

    2. Virtually none of these questions are specific to Linux networking. None. These are generic, broad, and very general networking questions that aren’t specific to any particular operating system or piece of networking hardware. Linux specific networking would probably center around stuff like iptables, tuning TCP options in the kernel configuration, bridged networking, and using OS-specific commands like ifconfig, ip, arp, etc. – all far beyond technically the scope of what you’re trying to cover with these very basic questions.

    3. This response is not exactly correct: ”
    Ans: A router is a physical device which acts as a gateway and connects to two network. It forwards the packets of data/information from one network to another. It acts as an interconnection Link between two network.”

    A router hardly has to be physical (you may want to call it a “device” since it could be physical or virtual) for one and can be a gateway between two OR MORE networks. High speed Internet routers can and often do route packets between millions of networks. In any case I would clarify a router acts as a gateway between two or more networks.

    All the best.

  2. sumaiya says:

    It’s useful for me to refer

  3. maheshreddy says:

    hi all
    how to install a second os on laptop please help me

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