Package Management In Linux Yum Vs Dnf Differences between DNF and YUM Package Managers This article explains the differences between DNF and YUM package managers. Both are very popular in…

Update, Backup, Permissions - A) Update - What is software update? A fix (patch) for a specific problem in Operating System, Application, and Antivirus software. When a new operating system,…

Network Security Terminologies and attacks - Securing Windows OS computer, Switch, Router -   I) Network Security Requirement - 1) Confidentiality -> If user A has sent data to user…

Domain Name System (DNS) - Computer does not understand names, one computer can communicate and access another       computer by IP address. We are human beings we cannot…

Spanning Tree Protocol – Interview Key Points - Spanning Tree Protocol (STP) is an Ethernet protocol that works on bridges and switches. It was invented by Radia Joy Pearlman at…

Simple Network Management Protocol (SNMP Protocol) - In 1988, RFC 1065, “Structure and Identification of Management Information for TCP/IP-based Internets,” was published. The concept behind this document was information about…

  What Is Networking? Networking is the process of connecting multiple remote or local parameters together. Type of networking: In the world we have below three type of networks LAN…

Wireless Network and Security 1.Wireless Network Introduction:- Wireless network gives freedom to user to move around at will while staying connected to network. User can bring different wireless devices and…

We first need to understand that parts are not really useful by themselves instead part are typically put together with other parts to create a useful assembly. Traditional dimensioning and…

  I)Firewall   Firewall deny or allow specific network traffic, organizations deploy firewall to protect network and also to deny or allow specific network traffic inside and outside the network.…

           I)     Basic Network Troubleshooting If computer is not connecting to the network what troubleshooting you will do? Answer:- Check the cable is connected…