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Question 93 - HPE7-A01 discussion

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What does the 802.3bz standard describe?

A.
2.5Gb and 5Gb Ethernet ports
Answers
A.
2.5Gb and 5Gb Ethernet ports
B.
60 W and 90W PoE
Answers
B.
60 W and 90W PoE
C.
AP directed roaming between APs
Answers
C.
AP directed roaming between APs
D.
60 GHz P2P Wi-Fi
Answers
D.
60 GHz P2P Wi-Fi
Suggested answer: A

Explanation:

802.3bz is a standard for Ethernet over twisted pair at speeds of 2.5 and 5 Gbit/s. These use the same cabling as the ubiquitous Gigabit Ethernet, yet offer higher speeds. The resulting standards are named 2.5GBASE-T and 5GBASE-T.

Option A: 2.5Gb and 5Gb Ethernet ports

This is because option A shows how to identify the speed of an Ethernet port based on its name and the standard it supports.A port that supports 2.5GBASE-T or 5GBASE-T is a multi-gigabit port that can operate at speeds of up to 2.5 Gbit/s or 5 Gbit/s over twisted pair cables23.

Therefore, option A is correct.

1: https://en.wikipedia.org/wiki/2.5GBASE-T_and_5GBASE-T2: https://kb.netgear.com/000049004/What-is-Multi-Gigabit-Ethernet-and-how-can-I-benefit-from-using-NETGEAR-Multi-Gigabit-Ethernet-Switches-in-my-network3: https://arstechnica.com/gadgets/2016/09/5gbps-ethernet-standard-details-8023bz/

asked 16/09/2024
Kajenthiran Varnamyilvaganam
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