When troubleshooting client DNS issues, which two task must you perform? (Choose two)
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A. B. C. D. E.BE
When troubleshooting client DNS issues, there are several tasks you may need to perform to isolate and resolve the problem. The two tasks that you should perform are:
Determine whether the name servers have been configured: You should verify that the client's DNS settings are correct and that it is configured to use the correct DNS server. If the client is using a static IP address, you will need to check the DNS settings manually. If the client is using DHCP, you will need to verify that the DHCP server is configured to assign the correct DNS server to clients.
Ping a public website IP address: This step is necessary to ensure that the client has an active network connection and can reach external resources. By pinging a public website IP address, you can verify that the client has a functioning connection to the internet. If the ping is successful, the issue may be related to DNS resolution, and you can move on to further DNS troubleshooting steps.
Additionally, it is also important to consider the following tasks when troubleshooting DNS issues:
Ping the DNS server: Pinging the DNS server can help determine if the DNS server is reachable and responding to requests. If the ping is successful, the issue may not be related to the DNS server. However, if the ping fails, it may indicate a problem with the DNS server, network connectivity, or firewall settings.
Determine whether a DHCP address has been assigned: If the client is configured to obtain its IP address automatically using DHCP, you should verify that it has been assigned an IP address. If the client has not been assigned an IP address, it will not be able to communicate with the network and access DNS resources.
Determine whether the hardware address is correct: If the client is configured to use a static IP address, you should verify that the hardware address (MAC address) is correct. The hardware address uniquely identifies the network adapter, and an incorrect hardware address can prevent the client from communicating with the network and accessing DNS resources.
In summary, to troubleshoot client DNS issues, you should verify that the name servers have been configured correctly, ping a public website IP address to verify network connectivity, and perform additional tasks such as pinging the DNS server, verifying DHCP address assignment, and checking the hardware address if necessary.