最新のC5050-384問題集で試験を準備する

A Kafka client connecting to Message Hub authenticates with the service by supplying what information?

• A. A user and password created by the admin when the topics are created.
• B. The credentials from their MQTT-Kafka bridge.
• C. The Kafka version and certificate number.
• D. The user and password found in the Message Hub service credentials.

According to the Twelve-Factor App methodology, what is a backing service?

• A. A service that creates an in memory shadow copy of an application for redundancy.
• B. A service that stores user session data in memory of the application.
• C. A packaging service for distributing support libraries.
• D. A service consumed by an application over the network as part of its normal operation.

An e-commerce web site currently consists of a 2-tier web application (app server + DB) deployed on IBM Cloud: 1 webapp instance for the Java front-end and 1 Cloudant instance for the DB.
Immediately after deployment on Bluemix, the application fails to start. When reviewing the application logs the following excerpt is found:
App instance exited with guid 549fb650-8ded-43aa-b895-f230692be4b0 payload:
{... "index"=>0, "reason"=>"CRASHED", "exit_status"=>255,
"exit_description"=>"out of memory",...}
How can the problem be fixed?

• A. Use the IBM Static Analyzer for Bluemix to run a static code analysis on the entire web application to identify memory leaks.
• B. The application is overloaded with more requests than it can handle. Increase the number of instances either via the command line, in the manifest.yml file or through the Bluemix console.
• C. Not enough memory is allocated to the application. Increase the memory either via the command line, in the manifest.yml file, or through the Bluemix console.
• D. It looks like an internal Bluemix problem, open a ticket with IBM Support so they can fix it for you.

What is the method IBM has developed which brings together IBM Design Thinking, Lean Startup, Agile and Extreme Programming?

• A. IBM Cloud Factory Method
• B. IBM Cloud Workshop Method
• C. IBM Cloud Garage Method
• D. IBM Cloud Developer Method

Which statement is true regarding horizontal scaling in IBM Cloud Foundry applications?

• A. Horizontal scaling is achieved by increasing the number of application instances.
• B. Horizontal scaling increases the Memory (RAM).
• C. Horizontal scaling is achieved by increasing the resources available to an application instance.
• D. Horizontal scaling is not available.