__________ is a mechanism or service used to verify the integrity of a message.

A. Message authentication
B. Data compression
C. Data mapping
D. Message digest


A. Message authentication

Computer Science & Information Technology

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Which of the following statements is false?

a. Functional interfaces must contain only one method and that method must be abstract. b. When a class implements an interface with default methods and does not override them, the class inherits the default methods’ implementations. An interface’s designer can now evolve an interface by adding new default and static methods without breaking existing code that implements the interface. c. If one class inherits the same default method from two interfaces, the class must override that method; otherwise, the compiler will generate a compilation error. d. You can create your own functional interfaces by ensuring that each contains only one abstract method and zero or more default or static methods.

Computer Science & Information Technology

Identify two visual illusions and discuss how you would compensate for their effect in a design.

What will be an ideal response?

Computer Science & Information Technology

Most restored systems have some amount of lost data based on when the last backup took place.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

A __________ usually projects the image from a mobile device to a display screen built into the glasses via a wireless connection.

A. wearable display B. integrated projector C. pico projector D. 3D printer

Computer Science & Information Technology