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Question 386 - SK0-005 discussion

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A server administrator deployed a new product that uses a non-standard port for web access on port 8443. However, users are unable to access the new application. The server administrator checks firewall rules and determines 8443 is allowed. Which of the following is most likely the cause of the issue?

A.
Intrusion detection is blocking the port.
Answers
A.
Intrusion detection is blocking the port.
B.
The new application's DNS entry is incorrect.
Answers
B.
The new application's DNS entry is incorrect.
C.
The application should be changed to use port 443.
Answers
C.
The application should be changed to use port 443.
D.
The core switch has a network issue.
Answers
D.
The core switch has a network issue.
Suggested answer: B

Explanation:

A DNS entry is a record that maps a domain name to an IP address. If the DNS entry for the new application is incorrect, users will not be able to resolve the domain name to the correct IP address and port number. This will prevent them from accessing the application, even if the firewall rules allow port 8443. To fix this issue, the server administrator should verify and update the DNS entry for the new application.

References:CompTIA Server+ Study Guide, Chapter 6: Networking, page 230.

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asked 02/10/2024
Francisco Jesús Cano Hinarejos
53 questions
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