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Questions and Answers
What are the two basic elements of WAN connections?
What are the two basic elements of WAN connections?
- Data-link–layer protocols and physical layer devices
- Transmission media and data link protocols
- Session setup and termination, error detection
- Physical layer devices and transmission media (correct)
What services can data link protocols provide in WANs?
What services can data link protocols provide in WANs?
- Error detection, addressing on a multipoint medium (correct)
- Framing, session setup and termination
- Framing, error detection
- Session setup and termination, addressing on a multipoint medium
What does a point-to-point connection across a WAN link refer to?
What does a point-to-point connection across a WAN link refer to?
- Multipoint medium connection
- Serial connection or leased-line connection (correct)
- Session setup and termination
- Parallel communications over multiple wires
What is the method of data transmission in a serial connection?
What is the method of data transmission in a serial connection?
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What determines the choice of encapsulation protocols in WAN technologies?
What determines the choice of encapsulation protocols in WAN technologies?
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