A(n) _______ is software that controls a computer; it manages hardware, runs applications, provides interface for users, and stores, retrieves, and manipulates files.
A. DMA channel
B. operating system
C. CPU
D. memory address
Answer: B. operating system
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Which of the following expands on the domain concept by linking domains in logical structures named trees, and multiple trees into forests?
A. WSU B. Active Directory C. NAP D. Enterprise Directory
____ is a technique used to gain unauthorized access to computers, wherein the attacker assumes or simulates an address that indicate to the victim that the messages are coming from the address of a trusted host.
A. Sniffing B. Spoofing C. Spamming D. DDoS
When connected to a network, an operating system on the network may assume some of the operating system functions on the client computer or mobile devices.
Answer the following statement true (T) or false (F)
When the ++ operator appears before a variable, it is called a ____ increment operator.
A. basic B. standard C. postfix D. prefix