Networking Basics

We’ve already learned that IOS has three main command modes: the user exec, privileged exec, and the global configuration modes. Each of these modes serves … Read more

IOS (Internetwork Operating System) is a multitasking operating system used on most Cisco routers and switches. IOS has a command-line interface with the predetermined number of … Read more

An IP header is a prefix to an IP packet that contains information about the IP version, length of the packet, source and destination IP addresses, etc. … Read more

ICMP (Internet Control Message Protocol) is a network layer protocol that reports errors and provides information related to IP packet processing. Network devices use this protocol … Read more

Automatic Private IP Addressing is a feature in operating systems (such as Windows). It enables computers to automatically self-configure an IP address and subnet mask … Read more

Network Time Protocol is an application layer protocol used for clock synchronization between hosts on a TCP/IP network. The goal of NTP is to ensure … Read more

This article will throw some light on HTTP (Hypertext Transfer Protocol) & HTTPS (Hypertext Transfer Protocol Secure) HTTP (Hypertext Transfer Protocol) It is an client-server … Read more

FTP File Transfer Protocol is a network protocol used to transfer files from one computer to another over a TCP network. Like Telnet, it also … Read more

In this article, we will run you through DHCP & DNS, i.e Dynamic Host Configuration Protocol & Domain Name System. DHCP (Dynamic Host Configuration Protocol) … Read more

ARP (Address Resolution Protocol) is a network protocol used to find out the hardware (MAC) address of a device from an IP address. It is used … Read more