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Linux Jobs

Below are typical questions for a Linux job interview:

Explain what set of shell commands give you the number of files in a directory.

How do you modify the IP and Net mask of a system running a Red Hat Variant of Linux

Explain the difference between VTP client, server, and transparent?

What is the maximum length of CAT6

How does one set up a layer two link to share VLANs

How does one implement redundant links at Layer 2

What is the difference between a hub, switch, and a router? What are the security advantages of switch vs. hub?

How do you know what process has a TCP port open in Linux

Give an example of a set of shell commands?

Give an example of a recursively copying a directory from one location to another.

Show an example of using telnet to learn the headers of an http server.

In what OSI layer does PPP exist

What is the difference between TCP and UDP?

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