CDA Final Exam Latest 2023-2024 Complete Questions & Answers (Solved) 100% Correct
- The layer of the OSI model performs end-to-end connection control. -
Answer: TRANSPORT (LAYER 4)
- The layer of the OSI model performs a series of miscellaneous
functions necessary for presenting the data package properly to the sender or receiver.
Answer: PRESENTATION (LAYER 6)
- The network layer of the OSI model is an end-to-end layer.
Answer: FALSE (LAYER 4-TRANSPORT IS END TO END)
- A(n) connection is a nonphysical connection between sender
and receiver that allows an exchange of commands and responses.
Answer: LOGICAL
- The TCP/IP layer commonly uses the Transmission Control
Protocol (TCP) to maintain an error-free end-to-end connection.
Answer: TRANSPORT
- / 3
- In a network architecture, as the packet moves up through the layers,
the data packet shrinks in size.
Answer: TRUE
- It is not possible to connect two local area networks so that they can
share peripherals as well as software.
Answer: FALSE
- Network architectures are cohesive layers of protocols defining a set
of communication services
Answer: TRUE
- The data link layer of the OSI model can incorporate some form of
error detection software.
Answer: TRUE
- The layer of the OSI model performs end-to-end error
control and end-to-end flow control.
Answer: TRANSPORT (LAYER 4)
- Data is information that has been translated into a form that is
more conducive to storage, transmission, and calculation. 2 / 3
Answer: TRUE
- The lowest layer of the TCP/IP protocol suite is the network access
or physical layer.
Answer: TRUE
- The data rate is measured in .
Answer: BITS PER SECOND (BPS)
- shift keying incorporates four different phase angles, each of
which represents 2 bits.
Answer: QUADRATURE PHASE
- Cycles per second, or frequency, is represented by .
Answer: HERTZ
- According to a famous communications theorem created by Nyquist,
the sampling rate using pulse code modulation must be at least three times the highest frequency of the original analog waveform.
Answer: FALSE
- When a signal is amplified by an amplifier, the signal gains in .
Answer: DECI- BELS
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