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Question 367 - SK0-005 discussion

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An analyst is planning a new point-to-point Ethernet connection between a university campus and a newly acquired space downtown that is about 5mi (8km) away. The analyst would like the fastest possible connection speed. Which of the following would best meet the analyst's needs?

A.
1000BASE-LX 1Gb single-mode plenum fiber connection
Answers
A.
1000BASE-LX 1Gb single-mode plenum fiber connection
B.
10GBASE-T 10Gb copper plenum Ethernet connection
Answers
B.
10GBASE-T 10Gb copper plenum Ethernet connection
C.
1000BASE-T 1Gb copper non-plenum Ethernet connection
Answers
C.
1000BASE-T 1Gb copper non-plenum Ethernet connection
D.
10GBASE-SR 10Gb multimode plenum fiber connection
Answers
D.
10GBASE-SR 10Gb multimode plenum fiber connection
Suggested answer: A

Explanation:

A 1000BASE-LX 1Gb single-mode plenum fiber connection would best meet the analyst's needs for a new point-to-point Ethernet connection between a university campus and a newly acquired space downtown that is about 5mi (8km) away. A 1000BASE-LX is a type of Ethernet standard that supports data transmission at 1 gigabit per second over single-mode fiber cables using long wavelength lasers.

A single-mode fiber cable is a type of optical fiber cable that has a small core diameter and allows only one mode of light to propagate through it. A single-mode fiber cable can transmit data over long distances at high speeds, but it requires more expensive transceivers and connectors than multimode fiber cables. A plenum fiber cable is a type of optical fiber cable that has a special coating that prevents the spread of fire or toxic fumes in case of burning. A plenum fiber cable is suitable for installation in plenum spaces, which are areas used for air circulation in buildings, such as above ceilings or below floors. Reference: [CompTIA Server+ Certification Exam Objectives], Domain 4.0: Networking, Objective 4.2: Given a scenario involving server networking issues (e.g., network interface card failure), troubleshoot using appropriate tools.

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asked 02/10/2024
chanon witchajutakul
28 questions
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