Which of the following statements is true?

a. The UML models a parameter of an operation by listing the parameter name, followed by a colon and the parameter value between the parentheses after the operation name.
b. The UML indicates an operation’s return type by placing a colon and the return value after the parentheses following the operation name.
c. UML class diagrams do not specify return types for operations that do not return values.
d. Declaring instance variables public is known as data hiding or information hiding.


C

Computer Science & Information Technology

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A "reentrant function" is one that it is safe to call

A. more than once B. even if it is already active

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The ip helper-address server-ip subcommand tells the router to do which of the following?

A) Watch for incoming DHCP messages, with destination IP address 0.0.0.0. B) Change the incoming packet's source IP address to the router's incoming interface IP address. C) Change the outgoing packet's source IP address to the address of the DHCP server. D) Route the modified packet to the DHCP server.

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________ is a feature of all modern browsers that will delete your history, cache, and cookies the moment you close the private window.

A. Do not track B. Private browsing C. Automation D. Anonymity

Computer Science & Information Technology