DNS Resolution Issues Quiz

5 questions • Pass: 70% • +20 pts

Quiz covering Network Troubleshooting

DNS Resolution Issues Quiz

5 questions | Pass: 70% | Earn 20 points

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

  1. 1

    Which command-line utility is most commonly used to test if a DNS server can resolve a specific hostname to an IP address?

  2. 2

    A user reports they cannot access a website by name, but can access it via its IP address. Which component is the most likely point of failure?

  3. 3

    You have updated the IP address for a web server in the DNS A record, but users are still being directed to the old IP address. What is the most likely cause?

  4. 4

    After configuring a new DNS server, you find that it can resolve public internet addresses but fails to resolve internal company hostnames. What should you check first?

  5. 5

    When troubleshooting a persistent DNS resolution issue, you run 'dig' and notice the status is 'SERVFAIL'. What does this specifically indicate?