A distributed WLAN architecture can be described as which of the following?
A. a BSS composed of two or more ESS networks
B. an ESS that uses multiple autonomous access points
C. an IBSS that uses a single centrally managed fat AP
D. multiple ad-hoc networks combined to form one large network
Answer: B
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An overloaded + operator takes a class object and a double as operands. For it to be commutative (i.e., a + b and b + a both work):
a. operator+ must be a member function of the class from which the objects are instantiated. b. operator+ must be a non-member function. c. It must be overloaded twice; the operator+ function that takes the object as the left operand must be a member function, and the other operator+ function must be a global function. d. The + operator cannot be overloaded to be commutative.
In a data source, all of the information that is displayed about an individual or company is considered to be a ________
A) source B) record C) placeholder D) field
Match the following expression elements to their example:
I. Identifier II. Operator III. Logical operator IV. Function V. Constant A. Strings of text B. [+] or [–] signs C. Names of a field D. Sum, Count, and Avg E. And, Or, and Not
An instance variable or object field is also called a(n) ____ of the object.
A. instance B. method C. property D. initial value