CCNA 200-301

32 Articles

DNS is a host name to IP address translation service. DNS is a distributed database implemented in a hierarchy of name...

Dynamic Host Configuration Protocol (DHCP) provides one of the most commonly used services in a TCP/IP network. The...

To access the Internet, one public IP address is needed, but we can use a private IP address in our private network....

Gateway Load Balancing Protocol (GLBP) is one of First Hop Redundancy Protocol (FHRP) which provides redundancy like...

VRRP is an open standard protocol, which is used to provide redundancy in a network. It is a network layer protocol...

Hot Standby Router Protocol (HSRP) is a CISCO proprietary protocol, which provides redundancy for a local subnet. In...

IP routing redundancy is designed to allow for transparent fail-over at the first-hop IP router. Well, first off,...

Routing protocols basically exchange information so routers can learn routes. The routers learn information about...

Before we understand what is routing and how it works, we need to know about router. Router is a network hardware...

Since static routes are manually configured and do not require advertising or processing of route updates, they use...