The following statements are correct except ( ).
A video conference is live video streamed over the internet so that people can communicate face to face without being in the same room.
B. Spam emails can be a problem. So can phishing emails, which are designed to trick people into giving away personal information.
C. Because each communication lasts only milliseconds, the web server cannot communicate with many computers at the same time.
D. Websites and webpages are joined together using hyperlinks. Clicking on a hyperlink takes us to another site or page.
查看答案
The reason why to video conference with another person, both people need an internet-connected computer with a monitor, webcam, microphone and speakers are on the below except ( ).
A. The webcam allows video images to be sent.
B. Those video images which are sent are seen on the monitor.
C. the microphone cannot allow sound to be transmitted.
D. those sounds being transmitted is heard through speakers.
Which one isn’t the characterize wireless technologies?
A. Spectrum
B. Transmission speeds
C. Manual Service
D. Transmission mechanism
Which one isn’t the content that integrated by IP data networking?
A. Voice
B. Currency
C. Video
Data
The reason why Mobile Wireless Technology develop so fast is ( )?
A. People seeking ubiquitous and immediate access to information.
B. People seeking the assimilation of the internet into business practices.
C. People seeking for personal use.
D. A, B and C
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