With Contention

question 57

Multiple Choice

With contention:

• A)computers wait until the circuit is free before they send data
• B)the server or front end processor works consecutively through a list of clients to determine who should have access to the media
• C)the front end processor must wait for a response from the polled client or terminal
• D)one computer starts the poll and passes it to the next computer on the multipoint circuit
• E)there is never a chance for "collision," or two computers trying to send data at the same time

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Definitions:

Shallow Copying

The process of creating a new object and copying the field values of an existing object into it without recursively copying objects referenced by the fields.

Reference Variable

A variable in programming that holds a reference (or address) to an object rather than the object's value itself.

Default Constructor

A constructor in an object-oriented programming language that is automatically created if no constructors are explicitly defined for a class.