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Cisco Router Boot Sequence, Cisco Router POST (Power On Self Test)

When a Cisco router boots up, it performs a series of steps, called the router boot sequence, to test the hardware and load the necessary software. Cisco router boot sequence consists of the following steps: 1. The router performs a…
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Benefits of Segmenting a network using a Router

Network segmentation is a way of dividing a big computer network (we can consider a network as a Broadcast Domain) into subnetworks, each being a network segment or network layer. A big network can be segmented to smaller subnets using…
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The Benefits Of Being CCNA Certified

If you are an IT pro or network engineer, you might be missing out on a great way to enhance your career profile. The IT job market is getting more crowded every day. One of the best ways to set…
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Cisco Network Security

1. What is a Firewall? A firewall is a set of rules and programs , located at a network gateway server, that protects the resources of a private network from users from other networks. It is a network security system…
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Basic: Cisco IP Commands

Here is a list of the IP Commands Configure IP on an interface: Serial interface Router(config)#interface serial 0 Router(config-if)#p address 157.89.1.3 255.255.0.0 Router(config-if)#Clock rate 64000 Router(config-if)#encapsulation hdlc Router(config-if)#no shutdown Router(config-if)#exit Fast ethernet interface Router(config)#int fa 0/0 Router(config-if)#ip address 200.81.1.4 255.255.255.0…
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Cisco IOS Basics

The following are some key points that summarize the IOS basics: Types of Memory: There are different types of memory on a Cisco device: ROM: The Read-Only Memory (ROM) on a Cisco device is like the ROM on a computer in the…
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Get familiar with networking terms

Network :A network is just a collection of devices and end systems connected to each other and able to communicate with each other.There are two types of topologies in networking.  The physical topology is what the network looks like and how…
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CCNA Exam Question Types Demo

“Earlier this month, I actually decided to take the test. Needless to say, I didn’t pass for a simple reason…. The simulations were a bit confusing. I pretty much had to skip all of them.  I do know how to…
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