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Question 36 - N10-009 discussion

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Which of the following most likely determines the size of a rack for installation? (Select two).

A.
KVM size
Answers
A.
KVM size
B.
Switch depth
Answers
B.
Switch depth
C.
Hard drive size
Answers
C.
Hard drive size
D.
Cooling fan speed
Answers
D.
Cooling fan speed
E.
Outlet amperage
Answers
E.
Outlet amperage
F.
Server height
Answers
F.
Server height
Suggested answer: B

Explanation:

Understanding Rack Size Determination:

The size of a rack for installation is determined by the dimensions of the equipment to be housed in it, primarily focusing on the depth and height of the devices.

Switch Depth:

Depth of Equipment: The depth of network switches and other rack-mounted devices directly influences the depth of the rack. If the equipment is deeper, a deeper rack is required to accommodate it.

Industry Standards: Most racks come in standard depths, but it is essential to match the depth of the rack to the deepest piece of equipment to ensure proper fit and airflow.

Server Height:

Height of Equipment: The height of servers and other devices is measured in rack units (U), where 1U equals 1.75 inches. The total height of all equipment determines the overall height requirement of the rack.

Rack Units: A rack's height is typically described in terms of the number of rack units it can accommodate, such as 42U, 48U, etc.

Why Other Options are Less Relevant:

KVM Size: While important for management, KVM (Keyboard, Video, Mouse) switches do not typically determine rack size.

Hard Drive Size: Individual hard drives are installed within servers or storage devices, not directly influencing rack dimensions.

Cooling Fan Speed: Fan speed affects cooling but not the physical size of the rack.

Outlet Amperage: Power requirements do not determine rack dimensions but rather the electrical infrastructure supporting the rack.

CompTIA Network+ study materials on rack installation and equipment sizing.

asked 02/10/2024
cristian vargas
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