Networking FAQ

What is the difference between a packet and a frame?

A packet and a frame are both packages of data moving terms through a network.
A packet exists at Layer 3 of the OSI Model,
whereas
a frame exists at Layer 2 of the OSI Model.Layer 2 is the Data Link Layer.


What is trace route?

trace route is a command which is used to trace the route of a packet through a TCP/IP network.

What is a network router?

A network router is a network device with interfaces in multiple networks whose task is to copy packets from one network to another.

What is routing?

Routing is the process of moving packets data through an internetwork, such as the Internet. Routing actually consists of two separate tasks:

  1. Defining paths for the transmission of packets through an internetwork.
  2. Forwarding packets based upon the defined paths.                                                                                                                                                              
What is a routing table?
A routing table is a database in which a routing protocol stores information about the network layer topology of the intranetwork.

What are routing protocols?

A routing protocol is the implementation of a routing algorithm in software or hardware.
A routing protocol uses metrics to determine which path to utilize to transmit a packet across an internet work.

What is MTU?

The MTU (Maximum Transmission Unit) is the size of the largest datagram that can be sent over a network.
If a datagram is larger than an MTU, the datagram must be fragmented into multiple smaller datagrams.


What is a DMZ?

 DeMilitarized Zone.
In military jargon, a DMZ is an area of land that serves as a buffer between two enemies
 

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