IEEE ____ standards set specifications for Ethernet local area network technology.
A. 802.3
B. 802.5
C. 802.11
D. 802.20
Answer: A
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A _________________________ can use HTTP headers to carry meta information in its messages.
Fill in the blank(s) with the appropriate word(s).
A missing Alt tag for a graphic is detected by the ________ feature
A) Protect Presentation B) Check Compatibility C) Check Accessibility D) Document Inspector
y and z are user-defined objects and the += operator is an overloaded member function. The operator is overloaded such that y += z adds z and y, then stores the result in y. Which of the following expressions is always equivalent to y += z?
a. y = y operator+= z b. y.operator+=( z ) c. y = y + z d. y operator+=( y + z )
Give an example of a schedule of two transactions that preserves database consistency (the database satisfies its integrity constraints), but nevertheless yields a final database that does not reflect the effect of both transactions.
What will be an ideal response?