Exam 6: Data Communication

The _____ of the Open Systems Interconnection (OSI) model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data, or bits, over a communication network.

The process of deciding which path data takes on a network is called _____.

Describe a ring topology.

The data transfer speed of a wide area network (WAN) depends on the speed of _____.

A(n) _____ is a device that connects a user to the Internet.

A hierarchical topology is also called a _____.

The _____ of the Open Systems Interconnection (OSI) model provides services that support users' tasks, such as file transfers, database access, and e-mail.

_____ are used to connect computers, hubs, switches, and routers to a network in a local area network (LAN).

Identify a topology used by traditional mainframe networks.

_____is a set of rules that governs data communication, including error detection, message length, and transmission speed. ​

Compared with a star topology, a hierarchical topology:

A _____ represents a network's physical layout.

Which of the following events takes place in the most basic client / server configuration?

What are the disadvantages of centralized routing? Give an example.

Explain the advantages of distributed processing.

A ring topology needs more cables to connect the nodes within a network than a star topology.

Identify a true statement about the different forms of sender and receiver devices.

How is a Service Set Identifier (SSID) used to improve the security of a wireless network?

The bus topology connects nodes along a network segment, with the ends connected in a manner similar to a ring topology.

The computers in a local area network (LAN) are usually connected to the network via a hardware component called a(n) _____.