Network Troubleshooting CCT Practice Questions (Page 10)

Questions 46–50

1. 46expert · hard

   A web server is experiencing intermittent timeouts for external users, but internal users have no issues. You run a packet capture on the server and see many TCP SYN packets with no corresponding SYN-ACK responses. The server's CPU and memory usage are normal. What is the most likely cause?

   • AThe server's firewall is blocking external IPs.
   • BThe server's DNS is misconfigured.
   • CThe server's TCP listen backlog is full.
   • DThe server's network interface is faulty.
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A user reports that they cannot access any external websites, but they can access internal resources. You run `ipconfig /all` and see that the default gateway is set to 192.168.1.1. You can ping the gateway successfully. What should you do next to isolate the problem?

   • APing a known external IP address, such as 8.8.8.8.
   • BVerify that the workstation's IP address is in the correct subnet.
   • CCheck the workstation's hosts file for entries that block external sites.
   • DRestart the workstation's network adapter.
   Reveal Solution Discussion Select an answer first
4. 48application · medium

   After resolving a network issue, you are asked to create a knowledge base article. What is the most effective structure for the article?

   • AA list of all network devices and their serial numbers.
   • BThe names of the technicians involved and the time spent.
   • CThe exact date and time of the incident.
   • DSymptom, root cause, resolution steps, and prevention tips.
   Reveal Solution Discussion Select an answer first
5. 49application · medium

   A user's Wi-Fi connection is slow and drops frequently. You use a Wi-Fi analyzer and see that the access point is on channel 6, and several neighboring access points are also on channel 6. What is the most likely cause?

   • AThe user's laptop is too far from the access point.
   • BCo-channel interference from neighboring access points.
   • CThe user's wireless adapter is faulty.
   • DThe access point's firmware is outdated.
   Reveal Solution Discussion Select an answer first
6. 50expert · hard

   A company has a wireless network with multiple access points. Users in a conference room report that their Wi-Fi is slow and drops frequently, while users in other areas have no issues. A site survey shows that the access point in the conference room is on channel 11, and a neighboring access point in the next room is also on channel 11. What is the best solution?

   • AChange the conference room access point to channel 1 or 6.
   • BIncrease the transmit power of the conference room access point.
   • CDisable the neighboring access point.
   • DMove the conference room access point to a different location.
   Reveal Solution Discussion Select an answer first