The browser’s ________ enables the asynchronous exchanges with the web server that make Ajax applications so responsive.

a. HttpRequestObject.
b. XMLHttpRequest object
c. XMLHttpRequestObject.
d. None of the above.


c. XMLHttpRequestObject.

Computer Science & Information Technology

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Which key sequence is used to start debugging?

A. F5 B. Shift-F5 C. F10 D. Ctrl-F5

Computer Science & Information Technology

________ are usually characterized by drives without covers, unusual connections, various external media, or cluttered work space

a. Mainframes b. Specialty and hacker computers c. Netbooks and tablets d. Fuzzy logic tools

Computer Science & Information Technology

DSTDEV calculates the standard deviation of a sample population in a database range.

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

Computer Science & Information Technology

In the scenario you should be aware that 802.11a uses a 5GHz signal, which makes it effective only at shorter distances, as well as incompatible with 802.11b's 2.4GHz signal, but places it in a much less-crowded bandwidth. Which of the following protocols provides the actual encryption used over VPN?

A. PPP B. HTTPS C. PPTP D. SSH

Computer Science & Information Technology