Which of the following cryptographic algorithms is irreversible?

A. RC4
B. SHA-256
C. DES
D. AES


Answer: B. SHA-256

Computer Science & Information Technology

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Prepare a brief preliminary investigation report for Dr. Jones. Before you begin this task, you should review the sample report in this chapter, and visit Part A of the Systems Analyst’s Toolkit, which provides suggestions for oral and written presentations

What will be an ideal response?

Computer Science & Information Technology

What is the efficiency of selection sort?

a. O(n2). b. O(n log n). c. O(n). d. O(1).

Computer Science & Information Technology

A(n) ____________________ is a symbol placed before each item in a list.

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

Computer Science & Information Technology

Internet footprinting is a technical method of reconnaissance, which interests budding hackers and network security specialists alike.

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

Computer Science & Information Technology