Which of the following records allows for reverse DNS lookups?

A. AAAA
B. A
C. PTR
D. CNAME


Answer: C. PTR

Computer Science & Information Technology

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You can quickly change an XMTML document into an HTML document just by altering the first three line of code.

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

Computer Science & Information Technology

Which digital signal modulation method is a binary modulation technique in which the carrier signal's frequency is changed to represent a 1 or 0 bit?

A. ASK B. FSK C. PSK D. FDM

Computer Science & Information Technology

A(n) _________ is a device on a wireless network used to grant network access to wireless devices. A. wireless access point B. wireless access organizer C. network access adapter D. network access switch

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

What is a benefit of using a range name in Excel?

A) Range names are required when using financial functions. B) Range names make the data more portable to other applications. C) Range names inherently make calculations more accurate. D) Range names are easier for people to remember than cell references.

Computer Science & Information Technology