The Address Resolution Protocol (ARP) is a critical communication protocol used on local area networks (LANs). It is defined in RFC 826 and operates at Layer 2 of the OSI model. ARP provides the translation between IP addresses and MAC addresses within a single network. This allows machines to communicate directly on the LAN without … Read more
What are the two features of ARP? (Choose two.) Why? If a host is ready to send a packet to a local destination device and has the IP address but not the MAC address of the destination, it generates an ARP broadcast. If a device receiving an ARP request has the destination IPv4 address, it … Read more
Taking regular screenshots of network switch configurations is an important best practice for any network administrator. Capturing and archiving these configurations provides documentation of how the network is set up at any given time. This allows you to monitor changes, roll back unwanted changes, and diagnose issues by comparing configurations. Importance of Regularly Taking Screenshots … Read more
The Ethernet frame, a key component of network communication, is structured to carry a wealth of information necessary for the successful transmission of data across networks. One of the most critical parts of this structure is the data payload. The data payload of an Ethernet frame, also known as the frame body, is the segment that carries … Read more
Backing up a switch configuration is an important part of network administration. It provides a way to restore the switch to a previously known good state if there are any issues. This article will provide an overview of the basic process for backing up the configuration on Cisco switches. First, it’s important to back up … Read more