The ____ option closes files but the computer is not turned off.
A. Lock
B. Restart
C. Sign Out
D. Switch User
Answer: C
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A new class of objects can be created conveniently by ________; the new class (called the ________) starts with the characteristics of an existing class (called the ________), possibly customizing them and adding unique characteristicsof its own.
a. inheritance, superclass, subclass. b. composition, subclass, superclass c. inheritance, subclass, superclass d. composition, superclass, subclass
Write a recursive definition of the Fibonacci numbers, a sequence of integers, each of which is the sum of the previous two numbers. The first two numbers in the sequence are 0 and 1. Explain why you would not normally use recursion to solve this problem.
What will be an ideal response?
Which of the following is a secure protocol that can be used to protect IM and presence information?
A. Password Authentication Protocol (PAP) B. NT LAN Manager (NTLM) C. Extensible Message and Presence Protocol (XMPP) D. Challenge Authentication Protocol (CHAP)
A user's remote marketing server has changed IP address schemes and now the user can no longer access it. The user further discovers that the distant end still has access to them. Which of the following is a possible cause?
a) SNMP strings need to be added b) Firewall rules need to be configured c) Port bonding on the interface needs to be enabled d) The switch has lost power