The ____ primitive data type represents a variable that does not exist.

A. null
B. undefined
C. string
D. Boolean

Answer: B

Computer Science & Information Technology

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Which of the following is a NOT a disadvantage of VoIP?

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Case-Based Critical Thinking Question ? Berndt's aunt runs a catering business. Berndt helped her build a website, and now he is helping her to incorporate social media into the site. Berndt's aunt has a video review made by a satisfied client, and she would like to incorporate the video into the website as well. Which of the following is a dedicated video hosting site?

A. Facebook B. Twitter C. YouTube D. Instagram

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