Which of the following provide the simplest kind of transport services because they simply package messages, taken as is from the TCP/IP Application layer, into datagrams?
A. Core services
B. Port numbers
C. Logical connections
D. Connectionless protocols
Answer: D
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Answer the following statement true (T) or false (F)
Which of the following statements are true?
a. A class should describe a single entity and all the class operations should logically fit together to support a coherent purpose. b. A class should always contain a no-arg constructor. c. The constructors must always be public. d. The constructors may be protected.
In a multitiered Web-based application, the middle tier is called the server and contains the________.
Fill in the blank(s) with the appropriate word(s).
Hackers want information about a target person, organization, and _______ to assist in compromising security
a. License plate b. System c. Clothing size d. None of the above