AWS EC2 instance Purchase Option:   On-Demand, Reserved Spot Dedicated Instances.   On-Demand: With On-Demand instances, you pay for...

OSPF (Open Shortest Path First) routers are classified into four types: Backbone Area Router:  This is a router which resides in backbone...

OSPF (Open Shortest Path First) routers are classified into four types:   Backbone Area Router:  This is a router which resides in...

How DR/BDR gets elected in OSPF: The purpose of having a DR and BDR is to reduce the amount of network traffic generated by OSPF, as only...

Syslog is a standard protocol that is widely used for logging system events and messages in IT systems, including servers, network...

Syslog is a standard protocol that is widely used for logging system events and messages in IT systems, including servers, network...

What is Cloud? Cloud refers to a large network of remote servers hosted on the internet and used to store, manage, and process data,...

What is TCP Flag? Each TCP Flag is a 1-bit field in the TCP header that indicates the type of control information being conveyed in a TCP...

Telnet and SSH are both protocols for remote access to a device over a network. Telnet - is a network protocol used for remote access...

TCP 3-Way Handshake   A three-way handshake, also known as the TCP (TransmissionControl Protocol) handshake, is the process used to...

Web Application Vulnerabilities. Web application vulnerabilities refer to weaknesses or flaws in a web application that can be exploited...

What is Penetration Testing ? Penetration testing, also known as pen testing, is a simulated cyber-attack on a computer system, network,...

Zero Day Attack What Is Zero Day Attack? A zero-day attack (also known as zero-hour or 0-day attack) is a type of cyberattack that occurs...

What is EIGRP? ·EIGRP (Enhanced Interior Gateway Routing Protocol) is a Cisco-proprietary routing protocol that uses a hybrid of...

Steps to upgrade Fortigate Firewall. 1.  Visit https:// docs.fortinet.com/upgrade-tool 2. Select your current FortiGate product, FortiOS...

Data Plane: The term data plane refers to the task that a networking device does to forward messages. Example: Anything to with receiving...

Security Profiles in Palo Alto: In Palo Alto Networks, security profiles are a set of configurations that control how network traffic is...

What is HSRP and what is it used for? HSRP stands for Hot Standby Router Protocol. It is a Cisco proprietary protocol that allows two or...

What is a network? A network is a group of interconnected devices, such as computers, servers, and routers, that are connected together...

What is Routing Protocol? A routing protocol is a set of rules and procedures that routers use to exchange information about network...