REST, JSON, and APIs

10?試題

1.?

Who is credited with getting the JSON movement started?

Pooja Sankar

Mitchell Baker

Douglas Crockford

Bjarne Stroustrup

2.?

What Python library do you have to import to parse and handle JSON?

ElementTree

BeautifulSoup

import re

import json

3.?

What is the method used to parse a string containing JSON data so that you can work with the data in Python?

json.read()

json.connect()

json.loads()

json.parse()

4.?

What kind of variable will you get in Python when the following JSON is parsed:

[ "Glenn", "Sally", "Jen" ]

A list with three items

A dictionary with three key / value pairs

A dictionary with one key / value pair

Three tuples

One Tuple

5.?

Which of the following is?not?true about the service-oriented approach?

Web services and APIs are used to transfer data between applications

Standards are developed where many pairs of applications must work together

An application makes use of the services provided by other applications

An application runs together all in one place

6.?

Which of these two web service approaches is preferred in most modern service-oriented applications?

REST - Representational state transfer

SOAP - Simple Object Access Protocol

7.?

What library call do you make to append properly encoded parameters to the end of a URL like the following:

http://maps.googleapis.com/maps/api/geocode/json?sensor=false&address=Ann+Arbor%2C+MI

re.encode()

re.match()

urllib.urlencode()

urllib.urlcat()

8.?

What happens when you exceed the Google geocoding API rate limit?

The API starts to perform very slowly

Your application starts to perform very slowly

You canot use the API until you respond to an email that contains a survey question

You cannot use the API for 24 hours

9.?

What protocol does Twitter use to protect its API?

OAuth

WS*Security

PKI-HMAC

Java Web Tokens

SOAP

SHA1-MD5

10.?

What header does Twitter use to tell you how many more API requests you can make before you will be rate limited?

content-type

x-max-requests

x-rate-limit-remaining

x-request-count-down

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