What would you use to connect two computers without using switches?

Cross cable

What is the difference between a normal LAN cable and cross cable? What could be the maximum length of the LAN cable?

The way the paired wires are connected to the connector (RJ45) is different
in cross cable and normal LAN cable.
The theoretical length is 100 meters but after 80 meters you may see drop in speed due to loss of signal.

Read more: http://www.placementpapers.us/networking/848-desktop_engineer_interview_questions.html#ixzz1sTPLCihU
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What are the types of LAN cables used? What is a cross cable?

Types of LAN cables that are in use are "Cat 5" and "Cat 6". "Cat 5" can support 100 Mbps of speed and "CAT 6" can support 1Gbps of speed.

Cross cable: Its used to connect same type of devices without using a switch/hub so that they can communicate.

Read more: http://www.placementpapers.us/networking/848-desktop_engineer_interview_questions.html#ixzz1sTOxkVRd
Under Creative Commons License: Attribution

 
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