The __________ layer is responsible for detecting errors and discarding any frames that contain errors.

Fill in the blank(s) with the appropriate word(s).


media access control (MAC)

Computer Science & Information Technology

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Which of the following statements is false?

a. You can concatenate two lists, two tuples or two strings using the + operator. The result is a new sequence of the same type containing the left operand’s elements followed by the right operand’s elements. b. A TypeError occurs if the + operator’s operands are difference sequence types—for example, concatenating a list and a tuple is an error. c. List elements can be accessed via their indices and the subscription operator ([]). d. All of the above statements are true.

Computer Science & Information Technology

The Visual Studio programming language, ____, is a synthesis of C++ and Visual Basic.

A. Visual J# B. Visual C# C. Visual C++ D. Java

Computer Science & Information Technology

Which of the following guidelines users should follow before opening email attachments?

a. The attachment was expected. b. It is from a known source. c. It appears to be a legitimate business document. d. All the above.

Computer Science & Information Technology

_____ is one of the most common cost-effectiveness analysis methods.

a. SWOT analysis b. DuPont analysis c. Net present value d. Joint application design

Computer Science & Information Technology