Which two statements are correct about an IPv4 subnet mask? (Choose two.)
- It is 24 bits in length.
- It differentiates the network portion from the host portion of an IPv4 address.
- It is any combination of 0 and 1 bits.
- It is a consecutive sequence of 0 bits followed by a consecutive sequence of 1 bits.
- The 1 bits determine the network portion of an IPv4 address, and the 0 bits determine the host portion.
Explanation: A subnet mask is 32 bits in length. It differentiates the network portion from the host portion of an IPv4 address. It is a consecutive series of 1 bits followed by consecutive 0 bits. The 1 bits indicate the network portion of the IPv4 address, and the 0 bits indicate the host portion.
Exam with this question: 6.3.7 Check Your Understanding - IPv4 Address Structure
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