200-301 Question 369
Select 3A network administrator is troubleshooting a connectivity issue where devices in the network are unable to resolve domain names into IP addresses. Additionally, some devices are not receiving IP addresses automatically. Which roles do DHCP and DNS play in resolving this issue?
- A
DHCP assigns IP addresses dynamically to devices on the network.
- B
DNS translates domain names into IP addresses for communication.
- C
DHCP ensures devices can reach web servers by providing DNS records.
- D
DNS assigns IP addresses dynamically to devices on the network.
- E
DHCP provides default gateway, subnet mask, and DNS server information to devices.
Show answer and explanation
Correct answers: A, B, E
Explanation
DHCP and DNS serve distinct but complementary roles in a network. DHCP dynamically assigns IP addresses and other configuration parameters (e.g., default gateway, DNS server) to devices, while DNS translates domain names into IP addresses to allow devices to locate resources. In this scenario, devices not receiving IP addresses relate to a DHCP issue, while failure to resolve domain names is a DNS issue.
- A. Correct.
Correct: One of the primary roles of DHCP is to assign IP addresses dynamically to devices on the network, ensuring they can communicate.
- B. Correct.
Correct: DNS resolves domain names into IP addresses, enabling devices to locate and communicate with resources by name.
- C. Incorrect.
Incorrect: DHCP does not provide DNS records. It provides configuration information such as IP addresses, subnet masks, and DNS server addresses, but it does not directly resolve domain names.
- D. Incorrect.
Incorrect: DNS does not assign IP addresses; this is the role of DHCP. DNS handles domain name resolution.
- E. Correct.
Correct: DHCP can provide additional configuration parameters, such as the default gateway, subnet mask, and DNS server information, enabling devices to communicate properly within the network.