HPE3-U01 Exam Questions & Answers
Aruba Certified Network Technician Exam • HP
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Sample HPE3-U01 Questions
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What is the binary equivalent of the decimal number of 233?
Which device provides high ethernet port density for connecting wired clients such as computers, IP phones, and printers? (Select two.)
Which unit of measurement is recommended for expressing radio frequency power due to its logarithmic nature?
Decibel (dB)
Decibel is a logarithmic unit of measure used to express the ratio of two values of the same measure. This unit is not included to the System International of units (SI), but it is widely used in communication systems and many other technical fields, as it allows to compare two values of any nature, provided that these values are expressed in the same unit.
Decibel is a decile of the main, larger unit --- Bel. Bel is a common logarithm of the ratio of two energies. But in practice Bel was a far too big value, therefore its tenth part is used -- decibel.
The logarithmic method of presentation of numbers often can be very useful, as it allows to replace multiplication with addition, division with subtraction, raising to power with multiplication, and extracting a root with the division.
What is measured in dB in the MRFC:
Gain constant
Sound level
Signal/noise ratio
Signal attenuation
https://en.cyclopedia.ifcg.ru/wiki/Radiofrequency_characteristics
Which Wi-Fi frame announces the Service Set Identifier (SSID) to Basic Service Set Identifier (BSSID) mapping?
Which Wi-Fi technology assists with data privacy on open networks?
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