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Questions and Answers
What are the three aspects of mobile computing technologies mentioned in the text?
What are the three aspects of mobile computing technologies mentioned in the text?
- Communications protocols, internet connectivity, and mobile apps
- Mobile hardware, software development, and internet protocols
- Communications protocols, mobile devices, and mobile software (correct)
- Wireless networks, internet security, and mobile applications
Which protocols are mentioned in the TCP/IP model for reliable and secure data transmission?
Which protocols are mentioned in the TCP/IP model for reliable and secure data transmission?
- Transmission Control Protocol (TCP) and Internet Protocol (IP) (correct)
- Hypertext Transfer Protocol (HTTP) and Simple Mail Transfer Protocol (SMTP)
- Internet Message Access Protocol (IMAP) and Post Office Protocol (POP)
- User Datagram Protocol (UDP) and File Transfer Protocol (FTP)
What is the main purpose of the Connectionless User Datagram Protocol (UDP)?
What is the main purpose of the Connectionless User Datagram Protocol (UDP)?
- Ensuring all mobile devices can understand each other
- Reliable and secure data transmission
- Fast communications with lower-level security requirements (correct)
- High-speed file transfer over the internet
What does a communications protocol ensure in mobile device communication?
What does a communications protocol ensure in mobile device communication?
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How are mobile devices described in the context of mobile computing?
How are mobile devices described in the context of mobile computing?
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