Exam 6: Data Communication: Delivering Information Anywhere and Anytime

A routing table lists _____.

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

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

A network _____ represents a network's physical layout.

In a(n) _____ architecture,the application logic is usually on the client side.

Protocols help ensure compatibility between different manufacturers' devices.

Coaxial cables are incompatible with wide area networks (WANs).

Local area networks (LANs) are used to _____.

The ring topology needs more cable than a star topology.

Which of the following is an important application of data communication systems for managers to consult decision makers located throughout the world?

When a bridge connects two local area networks (LANs) using the same protocol,the communication medium must be the same on both LANs.

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

Communication media that use an antenna for transmitting data through air or water are called _____.

In the Open Systems Interconnection (OSI) model,the session layer is responsible for formatting message packets.

Which of the following media is based on line of sight?

The _____ layer 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.

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

Why is an efficient data communication system critical to an information system?

Wireless network traffic can be captured with sniffers.

All Internet connections require a modem.