A VoIP Device Is Not Getting Power at a New

question 27

Multiple Choice

A VoIP device is not getting power at a new user's desk. The technician tests the components with a PoE injector at the switch and resolves the issue. Which of the following is the MOST likely cause of the issue?

• A) VLAN mismatch
• B) Bad switchport
• C) TX/RX reverse
• D) Latency
• E) Damaged cable

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Definitions:

Computing Mean

The process of calculating the average value of a set of numbers by adding them together and dividing by the quantity of numbers.

ΣX / N

The formula for calculating the mean of a set of data, where ΣX is the sum of all data points and N is the number of data points.

Arithmetic Average

Another term for the mean, calculated as the sum of all values divided by the number of values.

Frequency Value

The count of how many times a specific data point or value appears within a dataset.