In the TCP/IP model, what layer is considered so simple that it is ignored entirely?

a. Application
b. Network
c. Physical
d. Data Link


ANSWER: c

Computer Science & Information Technology

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Book method ______ returns an XML Element representing the book.

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

Computer Science & Information Technology

CommView is an example of which of the following?

a. Key logger b. Packet sniffer c. Virus d. Tool for industrial espionage

Computer Science & Information Technology

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

The Transmission Control Protocol (TCP) is considered to be a connectionless, or best-effort delivery protocol.

Computer Science & Information Technology

Which of the following statements about bitwise operators is true?

A. Bitwise and and or operators compare two bits in two operands to determine the result.    B. The bitwise operators are all binary operators. C. Bitwise operators can only be applied to integer values. D. Bitwise operators return a Boolean, true or false. E. Bitwise operators are hardware dependent.

Computer Science & Information Technology