CompTIA

JK0-801 · Question #249

Which of the following describes a Class A IP address?

The correct answer is C. The first octet is between 1 and 128 with a subnet mask of 255.0.0.0. See the full explanation below for the reasoning.

Question

Which of the following describes a Class A IP address?

Options

AThe last octet is between 1 and 128 with a subnet mask of 255.0.0.0
BThe first octet is between 1 and 128 with a subnet mask of 255.255.255.0
CThe first octet is between 1 and 128 with a subnet mask of 255.0.0.0
DThe last octet is between 1 and 128 with a subnet mask of 255.255.255.0

How the community answered

(52 responses)

A
6% (3)
B
12% (6)
C
79% (41)
D
4% (2)

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