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CDA FINAL EXAM QUESTIONS ALL VERSIONS 2024 | LATEST AND ACCURATE REAL EXAM QUESTIONS WITH DETAILED ANSWERS | VERIFIED FOR GUARANTEED PASS | LATEST UPDATE(WITH 100 QUESTIONS)$10.49
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CDA FINAL EXAM QUESTIONS ALL VERSIONS 2024 | LATEST AND ACCURATE REAL EXAM QUESTIONS WITH DETAILED ANSWERS | VERIFIED FOR GUARANTEED PASS | LATEST UPDATE(WITH 100 QUESTIONS)
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Course
CDA
Institution
CDA
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 m...
CDA FINAL EXAM QUESTIONS ALL
VERSIONS 2024 | LATEST AND ACCURATE
REAL EXAM QUESTIONS WITH DETAILED
ANSWERS | VERIFIED FOR GUARANTEED
PASS | LATEST UPDATE(WITH 100
QUESTIONS)
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
. - 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 DECIBELS
Unfortunately, noise itself occurs as a(n) ____ waveform, and this makes it challenging, if not
extremely difficult, to separate noise from an analog waveform that represents data.
- ANSWER ANALOG
The ____ digital encoding scheme is similar to the Manchester scheme in that there is always a
transition in the middle of the interval.
- ANSWER DIFFERENTIAL MANCHESTER
The amplitude of a signal can be expressed as volts, ____, or watts.
- ANSWER AMPS
The NRZ-L encoding scheme is simple to generate and inexpensive to implement in hardware. -
ANSWER TRUE
One encoding technique that converts analog data to a digital signal is ____.
, - ANSWER PULSE CODE MODULATION (PCM)
____ transmission requires the use of a very thin fiber-optic cable and a very focused light
source, such as a laser.
- ANSWER SINGLE-MODE
Fiber-optic cable cannot generate nor be disrupted by electromagnetic interference.
- ANSWER TRUE
____ twisted pair wire is used in environments that have a noticeable amount of
electromagnetic interference.
- ANSWER SHEILDED
Wireless transmissions generally do not have to deal with right-of-way issues.
- ANSWER TRUE
___ cable is a thin glass cable, a little thicker than a human hair, surrounded by a plastic coating.
- ANSWER FIBER-OPTIC
____ division multiplexing is a good technique for transmitting multiple concurrent signals over
a fiber-optic line.
- ANSWER WAVELENGTH
The ______ protocol is a high-speed protocol commonly found on Apple laptops and
incorporates two currently existing standards.
- ANSWER THUNDERBOLT
Because USB provides a digital interface, it is necessary to convert the digital signals of the
microcomputer to analog signals for transfer over a connection.
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