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Question 476 - N10-008 discussion

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A company is opening a new building on the other side of its campus. The distance from the closest building to the new building is 1,804ft (550m). The company needs to connect the networking equipment in the new building to the Other buildings on the campus without using a repeater. Which Of the following transceivers should the company use?

A.
10GBASE-SW
Answers
A.
10GBASE-SW
B.
10GBASE-LR
Answers
B.
10GBASE-LR
C.
10GBASE-LX4 over multimode fiber
Answers
C.
10GBASE-LX4 over multimode fiber
D.
10GBASE-SR
Answers
D.
10GBASE-SR
Suggested answer: B

Explanation:

10GBASE-LR is a standard for 10 Gbps Ethernet over single-mode fiber optic cable. It can support a maximum distance of 6.2 miles (10 km), which is much longer than the distance between the buildings. 10GBASE-SW, 10GBASE-LX4, and 10GBASE-SR are all standards for 10 Gbps Ethernet over multimode fiber optic cable, which have shorter maximum distances ranging from 984ft (300m) to 1,312ft (400m).

Reference: CompTIA Network+ Certification Exam Objectives Version 7.0 (N10-007), Objective 1.5:

Compare and contrast network cabling types, standards and speeds.

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asked 02/10/2024
Zdenek Machura
28 questions
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