Explain What Is Meant by a Null Value

question 35

Essay

Explain what is meant by a null value. Is a null value the same as a value of zero?

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Definitions:

NOS

Stands for Network Operating System, which is software that manages network resources and enables computers within the network to communicate and share data.

NIC

Stands for Network Interface Card, a computer hardware component that connects a computer to a network.

CSMA/CD

The method used on Ethernet networks to avoid data collisions; short for carrier sense multiple access with collision detection. A node connected to the network uses carrier sense to verify that no other nodes are currently transmitting data signals.

P2P

Stands for Peer-to-Peer, a decentralized communications model in which each party has the same capabilities and either party can initiate a communication session.