Certified Wireless Network Administrator
Chapter 17 Review UPDATED ACTUAL
Exam Questions and CORRECT Answers
The IEEE 802.3af and 802.3at amendments have been incorporated into the IEEE Std 802.3
revised standard and are defined in which clause?
A. Clause 15
B. Clause 17
C. Clause 19
D. Clause 33
E. Clause 43 - CORRECT ANSWER - Clause 33
If a classification signature is not Provided, the device is considered to be in what class?
A. 0
B. 1
C. 2
D. 3
E. 4 - CORRECT ANSWER -0
Which types of PoE devices are defined by the standard? (Choose all that apply.)
A. PSE
B. PPE
C. PD
D. PT - CORRECT ANSWER - PSE
PD
A powered device (PD) must be capable of accepting up to how many volts from either the data
lines or the unused pairs of the Ethernet cable?
, A. 14.5 volts
B. 20.5 volts
C. 48 volts
D. 57 volts - CORRECT ANSWER - 57 volts
To qualify as compliant with the 802.3at amendment (now part of the 802.3 standard), a powered
device (PD) must do which of the following? (Choose all that apply.)
A. Be able to accept power over the unused data pairs.
B. Reply to the PSE with a detection signature.
C. Accept power with either polarity from the PSE.
D. Reply to the PSE with a classification signature. - CORRECT ANSWER - -Be able to
accept power over the unused data pairs.
-Reply to the PSE with a detection signature.
-Accept power with either polarity from the PSE.
A VoIP telephone is connected to a 24-port PoE midspan PSE. If the telephone does not provide
a classification signature, how much power will the PSE provide to the
telephone?
A. 12.95 watts
B. 4.0 watts
C. 7.0 watts
D. 15.4 watts - CORRECT ANSWER - 15.4 watts
An endpoint PSE that provides power by using Alternative B is capable of providing power to
devices by using which of the following Ethernet technologies? (Choose all that apply.)
A. 10BaseT
B. 100BaseTX
C. 1000BaseT
D. 100BaseFX - CORRECT ANSWER - 10BaseT
Chapter 17 Review UPDATED ACTUAL
Exam Questions and CORRECT Answers
The IEEE 802.3af and 802.3at amendments have been incorporated into the IEEE Std 802.3
revised standard and are defined in which clause?
A. Clause 15
B. Clause 17
C. Clause 19
D. Clause 33
E. Clause 43 - CORRECT ANSWER - Clause 33
If a classification signature is not Provided, the device is considered to be in what class?
A. 0
B. 1
C. 2
D. 3
E. 4 - CORRECT ANSWER -0
Which types of PoE devices are defined by the standard? (Choose all that apply.)
A. PSE
B. PPE
C. PD
D. PT - CORRECT ANSWER - PSE
PD
A powered device (PD) must be capable of accepting up to how many volts from either the data
lines or the unused pairs of the Ethernet cable?
, A. 14.5 volts
B. 20.5 volts
C. 48 volts
D. 57 volts - CORRECT ANSWER - 57 volts
To qualify as compliant with the 802.3at amendment (now part of the 802.3 standard), a powered
device (PD) must do which of the following? (Choose all that apply.)
A. Be able to accept power over the unused data pairs.
B. Reply to the PSE with a detection signature.
C. Accept power with either polarity from the PSE.
D. Reply to the PSE with a classification signature. - CORRECT ANSWER - -Be able to
accept power over the unused data pairs.
-Reply to the PSE with a detection signature.
-Accept power with either polarity from the PSE.
A VoIP telephone is connected to a 24-port PoE midspan PSE. If the telephone does not provide
a classification signature, how much power will the PSE provide to the
telephone?
A. 12.95 watts
B. 4.0 watts
C. 7.0 watts
D. 15.4 watts - CORRECT ANSWER - 15.4 watts
An endpoint PSE that provides power by using Alternative B is capable of providing power to
devices by using which of the following Ethernet technologies? (Choose all that apply.)
A. 10BaseT
B. 100BaseTX
C. 1000BaseT
D. 100BaseFX - CORRECT ANSWER - 10BaseT
