Susan's SMTP server does not authenticate senders before accepting and relaying email. What is this security configuration issue known as?
A. An email gateway
B. An SMTP relay
C. An X.400-compliant gateway
D. An open relay
Answer: D. An open relay
You might also like to view...
The base class's ________ affects the way its members are inherited by the derived class.
A) name B) return data type C) access specification D) both A and B E) None of the above
Sorting algorithms can be classified as internal or external. How would you characterize their differences sorting?
a. Internal sorting is internal to the computer whereas external sorting is external to the computer. b. Internal sorting is a sorting algorithm that uses internal structures whereas the external algorithm employs external structures c. Internal sorting uses internal data but external sorting uses external data. d. None of the above.
Identify the letter of the choice that best matches the phrase or definition
A. A piece of data stored in memory, such as a name, address, or a phone number. B. C. A collection of data, usually of the same type, with each member of the collection accessible by its index. D. A collection of character data; immutable in Java, Objective-C, and C#. E. F. Named pointer to data in a program that can change. G. H. Blocks of program code that run when they're called. I. Data values passed to other parts of a program, usually functions and methods. J. Data associated with the objects of a program and can be compared with adjectives. K. Mechanisms for repeating a set of programming instructions until some condition is met. L. M. N. Tests in a program that evaluate to true or false. O. A package of all the libraries for a particular platform. P.
Ubuntu has a dock like shortcut bar on the left-hand side of the screen called
A) Launcher B. Panel C. Nautilus D. Dash