Question Bank - Computer Networks

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Which network protocol Allows hosts to dynamically get a unique IP number on each bootup?

A.
DHCP
B.
BOOTP
C.
RARP
D.
ARP

Solution:

Dynamic Host Configuration Protocol (DHCP):It serves as a bootstrap when a host is booted and supposed to be connected to the Internet, but the host does not know its IP address.It is used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.Additional InformationReverse address resolution protocol (RARP):It is used to an associate physical address with an IP addressThe address resolution protocol (ARP)It is a protocol used by the Internet Protocol (IP) [RFC826], specifically IPv4, to map IP network addresses to the hardware addresses used by a data link protocol. The purpose of ARP is to resolve known IP addresses to unknown physical addresses.The protocol operates below the network layer as a part of the interface between the OSI network and OSI link layer.

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