If you want to integrate your DHCP server with DNS, which of the following information will you need to configure DHCP? Select all that apply.
The Gateway you should assign
A domain name
The address of your local DNS servers
The subnet mask that gets used
The Correct Answer and Explanation is:
Correct Answers:
- ✅ A domain name
- ✅ The address of your local DNS servers
When integrating DHCP (Dynamic Host Configuration Protocol) with DNS (Domain Name System), the goal is to ensure that clients receive the necessary information to both access network resources and be properly represented in DNS. This integration is crucial in environments where dynamic IP addressing is used, such as corporate networks.
To properly configure DHCP for DNS integration, the following parameters are essential:
✅ 1. A Domain Name
This is critical because DHCP needs to inform the client of the domain name it should use. This domain name is appended to hostnames during name resolution. For example, if the domain is example.local and a client is named PC1, then the FQDN (Fully Qualified Domain Name) becomes PC1.example.local. This helps DNS keep track of dynamically assigned hosts.
✅ 2. The Address of Your Local DNS Servers
DHCP must provide clients with the IP addresses of DNS servers so they can resolve hostnames to IP addresses. Without DNS server information, clients cannot translate domain names (like google.com) into IP addresses, making network communication by hostname impossible. This is arguably the most critical piece for DHCP-DNS integration.
❌ The Gateway You Should Assign
While important for routing traffic beyond the local network, the gateway is not directly related to DNS integration. It is a separate networking configuration and does not impact name resolution or DNS updates.
❌ The Subnet Mask That Gets Used
The subnet mask defines the network portion of an IP address. Like the gateway, it’s essential for network communication but not specifically for DNS integration. It does not help the client locate or register with a DNS server.
In conclusion, the domain name and DNS server addresses are necessary to ensure proper integration between DHCP and DNS services.
