Describe the purpose of GRE (Generic Routing Encapsulation).
Generic Routing Encapsulation (GRE) is a tunneling protocol developed to
Gaganpreet Singh
What is PPP (Point-to-Point Protocol)?
Point-to-Point Protocol (PPP) is a data link layer (Layer 2)
Explain the concept of Frame Relay.
Frame Relay is a packet-switching telecommunications technology that was widely
Define a VPN (Virtual Private Network).
A Virtual Private Network (VPN) is a technology that establishes
What is MPLS (Multiprotocol Label Switching)?
Multiprotocol Label Switching (MPLS) is a protocol-agnostic networking technology used
Differentiate between a circuit-switched and packet-switched network.
Circuit-switched and packet-switched networks are two fundamental communication paradigms that
Explain the purpose of a leased line.
A leased line, also known as a dedicated line or
What is a WAN (Wide Area Network)?
A Wide Area Network (WAN) is a type of computer
Describe the function of ICMP (Internet Control Message Protocol).
Internet Control Message Protocol (ICMP) is a network layer protocol
How does DHCP help in IP address management?
Dynamic Host Configuration Protocol (DHCP) is a network protocol used