Now that we have covered a lot about networking in detail and all the protocols, it is time to address virtualization and cloud computing. These are also very essential to prepare if you are planning to take the Cisco Certified Network Associate (CCNA 200-301) exam. In this guide, I will introduce you to the concept … Read more
In the previous blog, I introduced you to the concept of network automation. It is a very important topic when it comes to preparing to take the Cisco Certified Network Associate (CCNA 200-301) exam. Now, it is time to dive deeper into the concept of network automation. Therefore, I will introduce you to the more … Read more
The days of manual network configuration and administration are long gone. With the arrival of network automation, networking professionals can now manage and configure large networks with ease. Network automation refers to automating the management, configuration, and deployment of network devices. It can be used to provision new devices, monitor devices for performance and availability, … Read more
In this blog, we will discuss DHCP snooping in detail. Sometimes, users can acquire illegal IP addresses. This is where the DHCP snooping can come into play which prevents a user from acquiring a fake IP address coming from an untrustworthy DHCP server. In other words, we can say that the DHCP server is a … Read more
Port Security is a very important aspect of networking. It is the process of ensuring that only authorized devices are able to access a network. Port Security can be implemented in a number of ways, including by using Access Control Lists (ACLs), firewalls, and Virtual Local Area Networks (VLANs). In the previous blog of our CCNA … Read more
Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol (IP) network. GRE in Networking is a key component of many VPNs and is also used to implement Virtual Private Network (VPN) tunneling. It is also used for tunneling … Read more
A wide area network (WAN) is a computer network that covers a wide geographic area such as a city, a country, or even the world. WANs can be used to connect sites over a long distance, such as connecting an office in New York to an office in London. Most of the large organizations and … Read more
A Local Area Network (LAN) is a type of network that covers a small geographic area, like a home, office, or building. A LAN can be as small as two computers or as large as several hundred computers. They are usually connected together using Ethernet cables, hubs, or switches. A network architecture is a blueprint … Read more
TFTP is a file transfer protocol that is commonly used in computer networks. It is a simple protocol that is based on the UDP protocol and is used to transfer files between hosts on a network. I recommend you first go through the FTP protocol before you start learning about the TFTP protocol in detail. … Read more
Layer 2 discovery protocols are used to learn about neighboring devices on a network. Two of the most common protocols are Cisco Discovery Protocol (CDP) and Link Layer Discovery Protocol (LLDP). Both protocols have their own strengths and weaknesses, which will be discussed in this blog of CCNA course series. In the previous blog of … Read more
