KTTSL

WAN stands for Wide area network.

• Đúng

• Sai

A point-to-point LAN is a network that connects two communicating devices through a transmission media (cable or air)

• Đúng

• Sai

A proposed standard is elevated to _____ standard status after at least two successful tries

• None of the choices are correct

• Draft

• Historic

• Informational

Which of the following is not one of the network criteria?

• Performance

• Reliability

• All of the choices are correct

• Security

Data can flow only in both direction all of the times in a ______ mode.

• Half - duplex

  Half - duplex

• None of the choices are correct

• Simplex

• Full-duplex

______ is the physical path by which it is a message travels from sender to receiver. Some examples of transmission media include twisted-pair wire, coaxial cable, fiber-optic cable, and radio waves.

• Receiver

• Transmission medium

• Sender

• Message

• Protocol

It is the device that receives the message. It can be a computer, workstation, telephone handset, television, and so on.

• Receiver

• Transmission medium

• Sender

• Message

• Protocol

It is the information (data) to be communicated. Popular forms of information include text, numbers, pictures, audio, and video.

• Receiver

• Transmission medium

• Sender

• Message

• Protocol

It is a set of rules that govern data communications. It represents an agreement between the communicating devices

• Receiver

• Transmission medium

• Sender

• Message

• Protocol

It is the device that sends the data message. It can be a computer, workstation, telephone handset, video camera, and so on.

• Receiver

• Transmission medium

• Sender

• Message

• Protocol