Denial of Service [ DoS ] Explained with Examples.

What Is DOS Attack? A Denial of Service (DoS) attack is a malicious attempt to disrupt the normal operation of a targeted network server or service by overwhelming it with a flood of Internet traffic. DoS attacks are a significant threat in the realm of cybersecurity, as they can render resources inaccessible to legitimate users. Let’s explore this… Read More »

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What is Firewall? Explained with Examples.

A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on defined security rules. Acting as a barrier between a trusted network and untrusted networks, such as the Internet, a firewall can be hardware, software, or a combination of both. Let’s delve into the key aspects of firewalls: Primary Function: Traffic… Read More »

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How to Verify iBGP Configuration Examples.

You can use the following command to verify and confirm your BGP configurations. We use the topology below as an example. Read about iBGP To Verify the iBGP Configuration, use the show ip bgp neighbours command. The show ip bgp neighbours command displays information about the TCP and Border Gateway Protocol (BGP) connections. The ‘Established’ statement means that the… Read More »

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IP Address Class B Subnetting- Explained with Examples.

How to Subnet Class B Addresses. Subnetting a Class B network is very similar to subnetting a Class C network, with the only difference being that when subnetting a Class B network, you will be focusing on the third octet, whereas in Class C, you will be working on the fourth octet. Take a look at this: To… Read More »

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Switchport Trunk Explained with Example.

How to Configure a Trunk Port on a Cisco Switch. Switchport trunk in computer networking refers to a specific configuration on a switch port that allows it to carry traffic for multiple VLANs (Virtual Local Area Networks). This is in contrast to an “access port,” which typically carries traffic for a single VLAN. Let’s explore the concept in… Read More »

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