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A network administrator is configuring a network for a new site that will have 150 users. Within the next year, the site is expected to grow by ten users. Each user will have two IP addresses (one for a computer and one for a phone). Which of the following classful IPv4 address ranges will be best-suited for the network?
Correct Answer: B
*The total number of devices = (150 + 10) users × 2 IPs per user = 320 devices *Class C (D) supports a maximum of 254 hosts (2^8 - 2), which is too small. *Class B (B) supports 65,534 hosts (2^16 - 2), making it the best choice. *Why not the other options? *Class A (C): Supports millions of addresses, which is overkill for 320 devices. *Class D (A): Used for multicast, not for device addressing.