Exam 6: Data Communication: Delivering Information Anywhere and Anytime

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

In data communication,_____ is a packet-switching service that operates at 25 Mbps and 622 Mbps.

What are the major types of networks?

Describe an intelligent terminal.

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

Describe the main advantage and disadvantage of a centralized processing system.

The _____ layer of the Open Systems Interconnection (OSI)model formats message packets.

A(n)_________ processing system was justified because data-processing personnel were in short supply,hardware and software were expensive,and only large organizations could afford computers.

Identify an advantage of centralized processing.

Describe a mesh topology and its advantages.

A hierarchical topology is also called a _____ topology.

Wireless network traffic can be captured with sniffers.

A _________ is designed to handle data communication for multiple organizations in a city and sometimes nearby cities as well.

The Wi-Fi Protected Access 2 (WPA2)uses _____ to obtain a master key,which is in turn used to negotiate for a key that will be used for a session.

Define a wide area network (WAN)and discuss its typical transfer speeds.

_________ is the loss of power in a signal as it travels from the sending device to the receiving device.

In data communication,_____ refers to integrating voice,video,and data so that multimedia information can be used for decision making.

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.

Describe a star topology.

A master key is obtained using which a user's computer and access point (AP)negotiate for a key that will be used for a session and is discarded once the session is terminated.Which of the following techniques helps obtain this master key?