MAC Addresses is a globally unique number that is assigned to every (a)   .

The devices need the (a)   for communication on a local area network.

(a)   is used to located a device in a network.

This is the command to check if there is any ARP Cache in our computer.

(a)  

(a)   is used to make a network more efficient by storing IP Address to MAC address associations.

(a)   is a type of ARP entries that are often used to reduce any unnecessary ARP broadcast traffic on a network.

If you assigned the same IP Address twice it will cause (a)   .

DHCP server assigns IP Addresses on a network from its (a)   .

The IP address is (a)   when during a certain period of time the computer will send a signal to the DHCP server to renew its IP Address.

In DHCP, (a)   ensures that a specific computer or device will always be given the same IP Address.

(a)   are the top of the DNS hierarchy, and there are 13 sets of these strategically placed around the world.

(a)   stores the address information for website such as .com, .net, .org etc.

(a)   is responsible for knowing everything about the domain including IP Address.

Another name for MAC address is (a)   .