C5050-285 IBM Cloud Platform Application Development v1

Posted by admin Apr 05 2016 No Comments »

IBM Cloud Platform Application Development v1 is the exam name of C5050-285 test, which is a hot one of IBM certification. There are 48 questions in real IBM C5050-285 exam, which will take the candidates 90 minutes to complete the test. The required passing score of IBM C5050-285 exam is 66%. The test language is English.

It is also important for the candidates to know IBM C5050-285 exam topics.

Section 1: Hosting Cloud Applications

Describe Cloud service models and IBM Cloud offerings
IBM SoftLayer Infrastructure as a Service (IaaS)
IBM Bluemix Platform as a Service (PaaS)
Software as a Service (SaaS) and IBM Cloud Marketplace
Describe the different capabilities of IBM Bluemix
IBM Bluemix PaaS provided by Cloud Foundry
IBM Bluemix Containers using docker
IBM Bluemix virtual machines powered by OpenStack

Section 2: Planning Cloud Applications

Describe key components of IBM Bluemix PaaS environment
Runtime is a set of resources to run an application
Boilerplate consists of a combination of runtime and predefined services
Services provide ready-for-use functionality for a running application and are represented by two types:
Managed services are listed in the IBM Bluemix Paas catalog
User-provided services can be used by developers to programmatically define services outside of IBM Bluemix PaaS
Describe components of IBM Bluemix PaaS architecture based on Cloud Foundry
The Droplet execution agent (DEA)
The Cloud Controller
The Router
Service Broker
Interaction between DEA and Health Manager
Explain the process of staging an application in IBM Bluemix PaaS
Describe the organization management elements in IBM Bluemix PaaS: Spaces, Users, Domains and Quota
Spaces provide a mechanism to collect related applications, services and users
Users participate in organizations and have varying capabilities based on assigned role
Domains provide the route on the Internet for the organization
Quota defines resource limits for the organization
Understand IBM Bluemix Regions and how to manage applications in multiple regions
Use the Cloud Foundry CLI (cf) tool to manage applications in IBM Bluemix PaaS
Specify the region through api endpoint
Log in to an organization and space using cf
Push an application using cf and understand applicable options
View logging information using cf
Perform scaling (instance, memory, disk) of an application using cf
cf commands for managing domains, routes, organization and spaces

Section 3: Implementing Cloud Ready Applications

Understand how to design, develop, deploy and manage a IBM Bluemix PaaS applicationfollowing the Twelve-Factor App methodology (http://12factor.net/)
One codebase tracked in revision control, with multiple deployments
Explicitly declare and isolate dependencies (IBM Bluemix PaaS deployable units e.g. Java Liberty and Node.js buildpacks manage runtime dependencies)
Store configuration in the environment (via VCAP_SERVICES)
Treat backing services as attached resources (use cf create-service and cf bind-service)
Strictly separate build and run stages
Execute the app as one or more stateless processes (avoid monoliths and use multiple processes or services as needed)
Export services via port binding
Scale out via the process model (e.g. cf scale app -i 10)
Maximize robustness with fast startup and graceful shutdown
Keep development, staging, and production as similar as possible (Spaces allow for the separation of editions)
Treat logs as event streams (IBM Bluemix PaaS Loggregator)
Run admin/management tasks as one-off processes
Understand scaling concepts for a Cloud application and steps to scale an application in IBM Bluemix PaaS
Vertical scaling by increasing resources to an application instance
Horizontal scaling by increasing the number of application instance
Understand how to manually scale applications through IBM Bluemix PaaS dashboard
Automatically scaling applications in IBM Bluemix PaaS using the Auto-Scaling service and scaling policy fields and options such as: available metric types for runtimes, breach duration, cool down period
Debug a Cloud application using development mode of IBM Bluemix PaaS
Using the Eclipse Tools for Bluemix plug-in for development mode with IBM Liberty for Java buildpack applications
Using the Bluemix Live Sync debug feature for development mode with IBM Node.js buildpack applications
Perform load testing on Cloud applications using simulated loads and describe the benefits of load testing
Use Load Impact or Blazemeter 3rd party load testing services in IBM Bluemix PaaS
Creating user scenarios
Defining virtual user load for a test
Analyze results from load tests
Explain various methods to monitor an application in IBM Bluemix PaaS
Measure application availability, CPU and heap memory usage, response time and throughput by using the Monitoring and Analytics service
Monitoring application logs using the cf tool during staging and when the application is running
Viewing metrics of resource utilization with IBM Auto-Scaling service
Using instance details panel from the application overview in the dashboard

Section 4: Enhancing Cloud Applications using Managed Services

Improve performance and scalabilty of IBM Bluemix PaaS applications with caching
Using Data Cache service to store application data
Using Session Cache to store and persist HTTP session objects
Understand how to configure external authentication using IBM Bluemix PaaS web applications with the Single Sign On service (SSO)
SSO requires the application to usean OpenID Connect client interface
Applications using SSO can support Cloud directories, Social Media sites and Enterprise directory as identity sources
Integration requires the implementation of an authentication callback
Enable loosely coupled integration for IBM Bluemix PaaS applications and components by using Messaging Services
Understand MQ Light messaging use-cases and benefits
Handling pub/sub messages in MQ Light with sharing
Explain rationale of the cf option –no-route when using the worker offload pattern
Monitor client health and troubleshoot using the MQ Light service dashboard
Describe cognitive capabilities to process unstructured data and images in IBM Bluemix PaaS
Alchemy Language API services include sentiment analysis, entity extraction, relationship extraction, concept tagging, text extraction, language extraction, and micro format parsing
Alchemy Vision API services include imaging tagging, link extraction and face detection/recognition
Understand how to store and retrieve files using the IBM Object Storage service in Bluemix
Creation of a container in object storage service
Perform create, upload, and list operations on an object using containers
Purpose of metadata to store information about files in object storage

Section 5: Using DevOps Services & tools to Manage Cloud Applications

Describe capabilities of IBM Bluemix DevOps Services
Agile Planning: Planning and tracking features to manage collaborative work in agile teams.
Teams can create stories, tasks, and defects to describe and track project work, and use agile planning tools to manage backlogs, plan releases, and plan sprints.
Web code editor: A browser-based Integrated Development Environment (IDE) for cloud development
Using the Web IDE, teams can import, create, modify and debug source code from a web browser. The environment also provides color coding and content assist capabilities to facilitate development activities.
Source control management: Parallel development and versioning features through Git, Jazz SCM, or GitHub
Each project gets a shared repository where team members check in changes, associate code changes with work items, and view a history of recent updates
Delivery pipeline: Continuous Integration and Continuous Delivery features to rapidly deploy cloud applications
The Delivery Pipeline allows automatically building and deploying applications to IBM’s cloud platform.
Plan and track work for agile team collaboration
Bluemix DevOps Services – Track & Plan supports typical activities conducted during agile projects, such as backlog management, sprint planning, and daily scrums
Understand work items in Track & Plan like epic, story, task, and defect
Edit and debug Cloud applications using IBM Bluemix DevOps Services Web code editor
Understand basic functionality of the Web code editor
Using Live Edit to quickly make changes without redeploying an application
Enable debug mode to troubleshoot an application running in IBM Bluemix PaaS
Understand DevOps Services constraints and limitations to debug applications on Bluemix
Understand capabilities of IBM Bluemix DevOps services source code management for projects
Using the fork option to copy an existing DevOps project into a new project for enhancement
Review and manage code pushes to the repository by project members
Understand the difference between a Commit and a Push
Describe how use the to Build & Deploy option to manage continuous integration and continuous delivery
Understand the Delivery Pipeline service
Role of Stages in the Delivery Pipeline and different Stage types
Options for Stage Trigger
Role of Jobs within a Stage and continuation options when a Job fails
Understand relationships between changes to the source code repository and pipeline stages

Section 6: Using Data Services

Describe the different types of data services available in IBM Bluemix PaaS
Key characteristics of a NoSQL database service
Key characteristics of a SQL database service
Key characteristics of a in memory columnar database service
Key characteristics of key value pair data service
Key characteristics of a time series database service
Describe the unique features of IBM Bluemix PaaS data services
Understand the unique features of Cloudant NoSQL Database
IBM Cloudant NoSQL DB for Bluemix is a NoSQL database as a service (DBaaS).
Cloudant provides a RESTful API to create, read, update and delete documents
Cloudant allows the creation of secondary indexes via the use of MapReduce
Cloudant Query provides a declarative way to define and query indexes
Cloudant Sync simplifies large-scale mobile development
Understand the unique features of dashDB
dashDB is a data warehousing service that stores relational data, including special types such as geospatial data.
Understand the unique features of the IBM Time Series Database for Bluemix
IBM Time Series Database for Bluemix service is a managed data store for Internet of Things device data and time series analysis of the data
Manage instances of IBM Bluemix PaaS data services: Cloudant NoSQL Database, and dashDB.
Manage instances of the Cloudant NoSQLDB service
Create a database
Add data to an existing database
Edit documents in an existing database
Clone existing documents
Simple query of all documents in an existing database
Manage instances of dashDB service
Create a new table in dashDB
Browse the contents of an existing table in dashDB
Run SQL scripts in dashDB
Import CSV data into dashDB
Describe the IBM DataWorks service for Bluemix
Summarize capabilities of DataWorks
Perform common tasks using DataWorks
Data Loading – Filter and move data

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