Connect External Tools via the Model Context Protocol (MCP) CERTIFIED-GITLAB-DUO-AI-ASSOCIATE Practice Questions (Page 5)

Questions 21–22

1. 21application · medium

   A quality engineer has configured an MCP server that exposes a 'create_test_run' tool. When the engineer types a prompt in GitLab Duo Chat asking it to create a test run, the model responds that it cannot find the tool. The MCP server is running and the client configuration lists it. What is the most likely cause?

   • AThe MCP server was started after the GitLab Duo Chat session began, so the tool list was not refreshed.
   • BThe engineer must use a slash command like '/create_test_run' instead of natural language.
   • CThe 'create_test_run' tool is not a valid MCP tool name because it uses underscores.
   • DGitLab Duo Chat cannot invoke tools that create external resources; it only supports read-only tools.
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2. 22application · medium

   An administrator is configuring an MCP server for GitLab Duo that connects to a database containing production customer data. The administrator wants to ensure that GitLab Duo can query the database but that the connection is secure and the credentials are not exposed to end users. Which setup should the administrator use?

   • AConfigure the MCP server to run on the same machine as the database and allow unauthenticated access from the GitLab Duo client.
   • BRun the MCP server on a secured internal host, store the database credentials in the server's environment variables, and connect GitLab Duo to the server over a private network.
   • CEmbed the database credentials in the GitLab Duo configuration file so the client can connect directly to the database.
   • DHave GitLab Duo prompt the user for the database password each time a query is made.
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