CompTIA Network+ (N10-008) — Question 606
A network technician is troubleshooting a connectivity issue. All users within the network report that they are unable to navigate to websites on the internet; however, they can still access local network resources. The technician issues a command and receives the following results:
Pinging comptia.com [172.67.217.56] with 32 bytes of data:
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Reply from 172.67.217.56: TTL expired in transit.
Which of the following best explains the result of this command?
Answer options
- A. Incorrect VLAN settings
- B. Upstream routing loop
- C. Network collisions
- D. DNS misconfiguration
Correct answer: B
Explanation
The correct answer is B, as the 'TTL expired in transit' message indicates that packets are circulating in a routing loop, preventing them from reaching their destination. The other options do not directly relate to the issue at hand; incorrect VLAN settings would not typically cause this specific response, while network collisions and DNS misconfigurations would manifest differently in network connectivity issues.