Exam 2: How Lan and Wan Communications Work

A(n)____ line is a dedicated telephone line that can be used for data communications to connect two different locations for continuous point-to-point communications.

Match each term with the correct statement below. -form of wireless WAN communication that takes place at very high radio frequencies.

Which layer provides flow control and ensures data reliability from source to destination?

The Ethernet protocol permits only one node to transmit at a time.

What is the role of the media access control (MAC)sublayer of the Data Link layer?

If no broadcasts are detected from the active monitor or any one of the standby monitors,a ring goes into a ____ condition.

Match each term with the correct statement below. -the OSI model layer where packets are forwarded

What are electromagnetic interference (EMI)and radio frequency interference (RFI)?

Which of the following is an address associated with a NIC?

Compare and contrast FDDI to the token ring access method.

Information from one layer is transferred to the next by means of commands called ____.

Analog signals are the basis of the most common signaling method used on LANs and high-speed WANs.

The ________________________________________ switching technique divides channels into distinct time slots.

What is a Request for Comment (RFC)?

In a connectionless service,there is no acknowledgment that a frame has been received.

The smallest T-carrier service is T-1,offering 1.544 Mbps bandwidth.

Which layer governs a user's access to network services?

Which of the following are 4G wireless network technologies? (Choose all that apply.)

The term ____ refers to wrapping the information in one layer inside the information within the next layer.

Match each term with the correct statement below. -the OSI model layer that is responsible for tracking ports or sockets