Network Troubleshooting CCT Practice Questions (Page 3)

Questions 11–15

1. 11expert · hard

   A user reports that they cannot connect to a database server on port 3306. The user can ping the server successfully. You run `telnet <server> 3306` from the user's workstation and it times out. What is the most likely cause?

   • AThe user's workstation has a misconfigured hosts file.
   • BThe database server is down.
   • CA firewall is blocking TCP port 3306.
   • DThe database service is listening on a different port.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A user's computer shows 'Network cable unplugged' in the system tray, but the cable appears securely connected at both ends. You test the cable with a cable tester and it passes. What should you do next?

   • ACheck the switch port and try a different port on the switch.
   • BVerify that the cable is a straight-through cable, not a crossover cable.
   • CReplace the network interface card (NIC).
   • DDisable and re-enable the network adapter in the operating system.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   A network technician has implemented a fix for a reported connectivity issue. What is the final step in the troubleshooting methodology before closing the ticket?

   • AInform the user that the issue is resolved
   • BReboot all network devices
   • CTest the solution on all other devices
   • DDocument the problem, solution, and outcomes
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   A user types a website URL into a browser, but the browser displays a 'Server Not Found' error. Which application layer service is most likely failing?

   • AHTTP
   • BDNS
   • CSMTP
   • DDHCP
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A user's laptop connects to the corporate Wi-Fi but has no internet access. Other users on the same access point are working fine. You check the laptop's IP configuration and see it has an IP address in the 169.254.x.x range. What is the most likely cause?

   • AThe DHCP server is out of IP addresses.
   • BThe laptop failed to obtain an IP address from DHCP.
   • CThe laptop's wireless adapter is faulty.
   • DThe access point is blocking the laptop's MAC address.
   Reveal Solution Discussion Select an answer first