Which of the following characters is not permitted in a DNS domain or host name?
A. Upper and lower case letters
B. Spaces
C. Numbers
D. Hyphens
Answer: B
Computer Science & Information Technology
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A __________ argument is passed to a parameter when the actual argument is left out of the function.
a. false b. true c. null d. default e. None of these
Computer Science & Information Technology
Which of the following open-source operating systems are available for deployment in the Azure gallery?
A) Ubuntu B) SUSE C) OpenLogic D) CentOS E) A and B F) All of the above
Computer Science & Information Technology
When you click a link, the Web server transmits a copy of the video file to your computer, often using ____________________ video technology.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
Which Internet service makes use of PSTN?
a. Dial-up b. ISDN c. DSL d. Cable Internet
Computer Science & Information Technology