Best Cabling for Network Runs in Ceiling Areas | N10-007 Exam Answer

Utilizing Plenum-Rated Cabling for Network Runs in Ceiling Areas

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Question

An administrator is moving to a new office.

There will be several network runs through the ceiling area of the office.

Which of the following is the BEST to utilize in these areas?

A.

Single-mode fiber-optic cabling B.

Cat 5e-rated cabling C.

Cat 6-rated cabling D.

Plenum-rated cabling.

D.

Explanations

An administrator is moving to a new office.

There will be several network runs through the ceiling area of the office.

Which of the following is the BEST to utilize in these areas?

A.

Single-mode fiber-optic cabling

B.

Cat 5e-rated cabling

C.

Cat 6-rated cabling

D.

Plenum-rated cabling.

D.

The BEST cable to use in areas such as the ceiling where there may be air circulation is plenum-rated cabling (option D).

Plenum-rated cables have a special insulation that is designed to limit the amount of smoke and toxic fumes that are emitted in the event of a fire. This is important in areas where air circulates, such as in the ceiling, because it can help prevent the spread of smoke and fire.

Single-mode fiber-optic cabling (option A) is a high-performance option that can support data transfer over longer distances than copper cabling, but it is also much more expensive than copper cabling options. Additionally, it may not be necessary for the requirements of this specific scenario.

Cat 5e-rated cabling (option B) is an older standard that can support data transfer up to 1 Gbps, but it has largely been surpassed by newer standards like Cat 6 and Cat 6a. Additionally, it does not have the fire-resistant properties of plenum-rated cabling.

Cat 6-rated cabling (option C) is a newer standard that can support data transfer up to 10 Gbps over short distances, but it does not have the same fire-resistant properties as plenum-rated cabling. However, if the area where the cable will be installed is not a plenum area, then Cat 6 cabling may be a suitable choice.

In summary, for an area like a ceiling where air circulates, it is best to use plenum-rated cabling to prevent the spread of smoke and fire.