IBM Cloud Platform Application Development v 2

1.

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?

It looks like an internal Bluemix problem, open a ticket with IBM Support so they can fix it for you. Use the IBM Static Analyzer for Bluemix to run a static code analysis on the entire web application to identify memory leaks. 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. 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.

2.

Which statement accurately describes IBM Cloud Continuous Delivery toolchains?

Toolchains automate dependency management and testing. Toolchains combine the DevOps test and deploy phase of deploying software. Toolchains enable development organizations to standardize and scale their continuous delivery processes. Toolchains can be created in three ways: use a template, use a buildpack, or create the toolchain from an application.

3.

IBM DB2 on Cloud achieves protection of data at rest on cloud using what encryption?

DB2 native encryption IBM Cloud Data Encryption Service IBM Security Guardium Data Encryption End-to-end SSL encryption for connections to DB2 on Cloud

4.

An IBM Cloud application uses a relational database that must be initialized with several tables and several hundred rows of initial data. Based on the Twelve-Factor App methodology, how should this be done?

The application should include code to initialize the database if it has not yet been initialized. The application should include code to call an ETL service to initialize the database if it has not yet been initialized. A backup file of the database should be included in the application and restored by the application code on startup. A script or separate application should be used to initialize the database prior to deploying the application as a one-off process.

5.

A utility company has an existing web application developed in Java for Websphere Application Server and is currently running on premises. They want to move that application to IBM Cloud. The existing application is stateful and maintains persistent session data using JavaEE standard HTTP sessions. Which Bluemix service should be used to avoid making any change to the application code and maintain the statefulness of the application?

MySQL Session Cache Object Storage Compose for Redis

6.

What is the result of the following command? bx api https://api.eu-gb.bluemix.net

Open the IBM Cloud Portal in a web browser Download application code to the local computer Selects the IBM Cloud UK region for CLI commands Create an API with the end-point https://api.eu-gb.bluemix.net

7.

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

IBM Cloud Garage Method IBM Cloud Factory Method IBM Cloud Workshop Method IBM Cloud Developer Method

8.

Which statement is true regarding the NoSQL data services available in IBM Cloud?

Compose for PostgreSQL provides horizontal scaling. NoSQL data services always enforce ACID transactions. Cloudant and Compose for MongoDB are document databases. There is guaranteed consistency of data across multiple instances of a Cloudant database.

9.

Which statement is true regarding Bluemix Public Object Storage?

The service provides optional data encryption of the data that is uploaded. Folders can be added to organize how files are placed within each container. Developers can associate additional metadata with objects using Swift API. A threshold can be set for the amount of container memory allocated to each application using the service within each space.

10.

What can a developer accomplish using Spaces in an IBM Cloud organization?

Assign team members to multiple regions in IBM Cloud Unify existing Bluemix and SoftLayer billing accounts Set quotas in multiple regions for applications, services, and team members Group a set of applications, services, and team members

IBM Cloud Platform Application Development v 2

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IBM Cloud Platform Application Development v 2

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