Exam 6: Data Communication: Delivering Information Anywhere and Anytime

Describe an intelligent terminal.

The _____ of the Open Systems Interconnection (OSI)model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error,in sequence,and with no loss or duplication.

A network interface card (NIC)operates at the Open Systems Interconnection (OSI)model's _____ layers.

Data communication systems increase inventory costs.

An access point (AP)is the part of a wireless local area network (WLAN)that connects it to other networks.

Protocols are devices that connect users to the Internet.

What are the major types of networks?

In the two-tier architecture of the client / server model,_____.

In the context of mobile networking,3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Any packet-switching network can handle multimedia data.

Data communication technologies make Web and video conferencing easier,which can reduce the costs of business travel.

A hierarchical topology is also called a _____ topology.

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

In _____,each department has its own computer for performing processing tasks.

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

List few drawbacks of decentralized systems.

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

Which event takes place in the most basic client / server configuration?

In a(n)_____ topology,if any link between nodes is severed,the entire network is affected,and failure of a single node disrupts the entire network.

Internet Protocol (IP)operates at the _____ of the Open Systems Interconnection (OSI)model.