A DHCP server is configured to issue IP addresses. Client machines have successfully obtained an IP address. However, when testing, users are unable to browse the Internet. Which of the following might be the MOST likely cause?

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B. DNS configuration on the DHCP server is missing. DHCP servers distribute DNS server addresses to clients via DHCP Option 6 as part of the IP lease; if this option is not configured in the scope, clients receive a valid IP address but have no DNS resolver to translate domain names to IP addresses. Without DNS resolution, web browsers cannot locate websites by hostname, resulting in the inability to browse the Internet despite having valid IP connectivity. Adding the DNS server address to the DHCP scope options resolves this issue.

Answer

A. The DHCP server is unable to communicate with the DNS server. DHCP-to-DNS server communication relates to dynamic DNS registration updates, not whether clients receive a DNS server address as part of their lease options.

Answer

C. The client machines are not members of the domain. Domain membership is not required for internet browsing and has no direct relationship to DHCP-assigned network settings or DNS name resolution.

Answer

D. The DHCP server ran out of IP addresses. The scenario explicitly states that clients have successfully obtained IP addresses, which rules out the possibility that the DHCP address pool is exhausted.

A DHCP server is configured to issue IP addresses. Client machines have successfully obtained an IP address. However, when testing, users are unable to browse the Internet. Which of the following…

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