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An IP address (IPv4) consists of:

A8 bits
B128 bits
C32 bits (four 8-bit groups, e.g., 192.168.1.1)
D64 bits
Answer & Solution
Correct answer: C. 32 bits (four 8-bit groups, e.g., 192.168.1.1)
IPv4: 32-bit address, 4 octets separated by dots (e.g., 192.168.1.1). About 4.3 billion possible addresses. Running out → IPv6 (128 bits, ~10³⁸ addresses) being deployed. Classes A, B, C, D, E (now CIDR replaces classful addressing).
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