Understanding JSON and APIs

What is JSON?

• It is a data format for storing and transporting data.

• It is a scripting language.

• It is a database.

• It is a compiled programming language.

What is an architectural constraint to which a true RESTful API web service must adhere?

• It must support the XML data format.

• It operates as a cloud service.

• It runs as client/server model.

• It uses HTTPS to transport data.

In the RESTful API request example, http://www.mapquestapi.com/directions/v2/route?outFormat=json&key=KEY&from=San+Jose,Ca&to=Monterey,Ca, which term describes the component directions/v2/route?

• parameters

• resources

• API server

• query

Which statement describes an API?

• It is a set of functions and procedures that allows a client application to access the data of the service application.

• It is a programming language for creating a web-based application.

• It is a set of functions and subroutines to be used in a comprehensive application.

• It is a set of rules that filter network traffic for web-based applications.

Which term describes the process of managing configuration changes of network devices in an orderly fashion?

• orchestration

• version control

• provisioning

• automation

Which web service API can use multiple data formats including JSON, XML, and YAML?

• JSON-RPC

• REST

• SOAP

• XML-RPC

What are two reasons that most RESTful APIs require a key in the request? (Choose two.)

• to authenticate the requesting source

• to gather information on the people using the API

• to encrypt the query message in the API request

• to make sure that the query matches the service offered by the web application

• to specify the data format expected from the response

What is a difference between the XML and HTML data formats?

• XML uses a self-descriptive data structure but HTML uses a standard document structure.

• XML formats data in hexadecimal whereas HTML formats data in binary.

• XML requires indentation for each key/value pair whereas HTML does not require indentation.

• XML encloses data within a pair of tags whereas HTML uses a pair of quotation marks to enclose data.

A programmer is using Ansible as the configuration management tool. Which term is used to describe a set of instructions for execution?

• Pillar

• Manifest

• Cookbook

• Playbook

Which term is used to describe a set of instructions for execution by the configuration management tool Chef?

• Playbook

• Pillar

• Cookbook

• Manifest