A user cannot resolve a domain name, but other users on the same network can. Which troubleshooting step should be performed first?

Restart the DNS Server service.

Verify the domain's authoritative DNS servers.

Check the client's DNS server settings.

A network administrator notices that some users can resolve external domains while others cannot. Which cause is most likely for this intermittent DNS disruption?

The DNS server's cache is corrupted.

The DNS server is configured with an incorrect root hint.

Some client devices are configured with an incorrect DNS server address.

The DNS server is experiencing a DDoS attack.

Users in one subnet report they cannot obtain IP addresses, while other subnets work fine. The DHCP server is healthy and has available addresses. Which action should you take to resolve the issue?

Verify that the DHCP relay agent is configured for that subnet.

Increase the lease duration for the affected subnet.

Add a DNS record for the DHCP server.

Restart the DHCP server service.

A branch office reports that new laptops cannot obtain IP addresses, while existing devices continue to work. The DHCP server is located at the head office, and the network team confirms the DHCP relay agent is functioning. Which cause is most likely?

The DHCP server's clock is out of sync.

The laptops have incorrect subnet masks.

A company's web application suddenly becomes unreachable for external users, but internal users on the corporate network can access it by IP address. The application's DNS records are hosted by a third-party provider. The network team confirms the application server is healthy and the firewall is allowing traffic. Which step should you take first to diagnose the issue?

Change the application's A record to point to a different IP address.

Flush the DNS cache on the external users' machines.

Restart the DNS client service on the application server.

Check the DNS provider's status page for an outage or propagation delay.

CompTIACloud+

Domain 6Objective 4

Service Disruptions CV0-004 Practice Questions (Page 3)

Part of the Troubleshooting domain, which accounts for 12% of the CV0-004 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–7 in this domain), expect 1–1 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

6concepts

12%of the exam

Questions 11–15

11foundation · easy
A user cannot resolve a domain name, but other users on the same network can. Which troubleshooting step should be performed first?
Select an answer first
12foundation · easy
A network administrator notices that some users can resolve external domains while others cannot. Which cause is most likely for this intermittent DNS disruption?
Select an answer first
13application · medium
Users in one subnet report they cannot obtain IP addresses, while other subnets work fine. The DHCP server is healthy and has available addresses. Which action should you take to resolve the issue?
Select an answer first
14application · medium
A branch office reports that new laptops cannot obtain IP addresses, while existing devices continue to work. The DHCP server is located at the head office, and the network team confirms the DHCP relay agent is functioning. Which cause is most likely?
Select an answer first
15application · medium
A company's web application suddenly becomes unreachable for external users, but internal users on the corporate network can access it by IP address. The application's DNS records are hosted by a third-party provider. The network team confirms the application server is healthy and the firewall is allowing traffic. Which step should you take first to diagnose the issue?
Select an answer first

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