Exam 6: Data Communication: Delivering Information Anywhere and Anytime

_____ cables have the highest bandwidth of any communication medium.

Discuss the various forms of sender and receiver devices.

Identify the layer of the Open Systems Interconnection (OSI)model in which the Transmission Control Protocol (TCP)operates.

Horizontal scaling of client / server architecture means _____.

The _____ layer of the Open Systems Interconnection (OSI)model serves as the window through which computer programs access network services.

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

Describe the two categories of wireless technologies.

A _________ is typically used to connect workstations and peripheral devices that are in close proximity.

_____ refers to using a cellular phone outside a carrier's limited service area.

Data transmission channels are generally divided into two types: broadband and narrowband.

A routing table lists _____.

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

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.

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

In a typical data communication system,which of the following statements is true of a sender and receiver device?

_____ cables are glass tubes surrounded by concentric layers of glass,called "cladding," to form a light path through wire cables.

The _____ layer of the Open Systems Interconnection (OSI)model generates a 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.

Protocols help ensure compatibility between different manufacturers' devices.

In a centralized processing system,processing power is distributed among several locations.

The amount of data that can be transferred from one point to another in one second is called _____.