What is the subnet ID for the network 192.168.165.189 with a /26 subnet mask?

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Study for the Network Essential Version A (LE) Test. Enhance your knowledge with dynamic flashcards and comprehensive multiple-choice questions, each providing insightful hints and explanations. Prepare efficiently for your upcoming exam today!

Multiple Choice

What is the subnet ID for the network 192.168.165.189 with a /26 subnet mask?

Explanation:
With a /26 mask, the network uses the first 26 bits and leaves 6 bits for hosts, so each subnet contains 2^6 = 64 addresses. In the last octet, the subnet blocks occur at 0, 64, 128, and 192. The IP ends with 189, which falls in the 128–191 range, so the subnet ID is 192.168.165.128. This subnet runs from 192.168.165.128 to 192.168.165.191 (network address 192.168.165.128, broadcast 192.168.165.191; usable hosts 192.168.165.129–192.168.165.190).

With a /26 mask, the network uses the first 26 bits and leaves 6 bits for hosts, so each subnet contains 2^6 = 64 addresses. In the last octet, the subnet blocks occur at 0, 64, 128, and 192. The IP ends with 189, which falls in the 128–191 range, so the subnet ID is 192.168.165.128. This subnet runs from 192.168.165.128 to 192.168.165.191 (network address 192.168.165.128, broadcast 192.168.165.191; usable hosts 192.168.165.129–192.168.165.190).

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