Troubleshoot Common Configuration Issues AT0-001 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   A server's certificate has expired, causing client connections to fail. Which of the following is the most appropriate solution?

   • ARenew the certificate and install the new certificate on the server
   • BClear the client's browser cache
   • CDisable TLS on the server to allow plaintext connections
   • DChange the server's IP address to bypass the certificate error
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   Users report that they can access a company's internal web application via HTTP, but their browsers show a security warning when they try to access it via HTTPS. The application is hosted on a single Windows server. The certificate was installed and bound to the default web site. What is the most likely cause of the browser warning?

   • AThe certificate has expired, and the server's clock is set to a date before the certificate's validity period began.
   • BThe certificate's private key is not accessible by the application pool identity, preventing the TLS handshake from completing.
   • CThe certificate is self-signed and has not been added to the trusted root certification authorities store on the client machines.
   • DThe certificate is a wildcard certificate for *.contoso.com, but the application is accessed via www.contoso.com.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   An application is receiving HTTP 401 Unauthorized responses from an API. Which of the following is the most likely cause?

   • AThe request exceeded the rate limit
   • BInvalid or missing authentication credentials
   • CThe requested resource does not exist
   • DThe server encountered an internal error
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   A YAML configuration file has a syntax error due to inconsistent indentation. Which of the following is the most appropriate method to correct it?

   • ARe-indent the file using consistent spaces (e.g., 2 or 4 spaces) for each level
   • BIncrease the file permissions to allow writing
   • CConvert the file to JSON format
   • DDelete all comments from the file
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A company's public-facing website is showing a 'NET::ERR_CERT_DATE_INVALID' error in users' browsers. The website is hosted on a single Linux server. The certificate was renewed last week. What is the most likely cause of this error?

   • AThe web server is not configured to use the new certificate and is still using the old, expired one.
   • BThe certificate's private key does not match the public key in the certificate file.
   • CThe certificate was not renewed but rather a new self-signed certificate was generated.
   • DThe server's system clock is set to a date that is outside the new certificate's validity period.
   Reveal Solution Discussion Select an answer first