Coursera Using python to access Web data quiz 5

来源：互联网发布：单片机是什么专业学的编辑：程序博客网时间：2024/05/20 09:23

1.What is "serialization" when we are talking about web services?

Marking each network packet so it can be put back into order on the receiving system

Sorting all the data stored in a tuple

The act of taking data stored in a program and formatting it so it can be sent across the network

Making it so that dictionaries can maintain their keys in sorted order

2.What is the method to cause Python to parse XML that is stored in a string?

fromstring()

parse()

readall()

extract()

xpath()

3.In this XML, which are the "complex elements"?

<people>    <person>
       <name>Chuck</name>
       <phone>303 4456</phone>
    </person>
    <person>
       <name>Noah</name>
       <phone>622 7421</phone>
    </person>
</people>

person

Noah

name

phone

people

4.In the following XML, which are attributes?

1
2
3
4
5
6
7
<person>
  <name>Chuck</name>
  <phone type="intl">
     +1 734 303 4456
  </phone>
  <email hide="yes" />
</person>

hide

type

name

person

5. In the following XML, which node is the parent node of node e

6.Looking at the following XML, what text value would we find at path "/a/c/e"

1
2
3
4
5
6
7
<a>
  <b>X</b>
  <c>
    <d>Y</d>
    <e>Z</e>
  </c>
</a>

7.What is the purpose of XML Schema?

To establish a contract as to what is valid XML

A Python program to tranform XML files

To transfer XML data reliably during network outages

Looking at the following XML, what text value would we find at path "/a/c/e"

1
2
3
4
5
6
7
<a>
  <b>X</b>
  <c>
    <d>Y</d>
    <e>Z</e>
  </c>
</a>

What is the purpose of XML Schema?

To establish a contract as to what is valid XML

A Python program to tranform XML files

To transfer XML data reliably during network outages

To compute SHA1 checksums on data to make sure it is not modified in transit

If you were building an XML Schema and wanted to limit the values allowed in an xs:string field to only those in a particular list, what XML tag would you use in your XML Schema definition?

xs:complexType

xs:sequence

maxOccurs

xs:element

xs:enumeration

What is a good time zone to use when computers are exchanging data over APIs?

The local time zone of the receiving computer

Universal Time / GMT

The local time zone of the sending computer without daylight savings time

The local time zone of the sending computer

Which of the following dates is in ISO8601 format?

05/30/2002

2002-05-30T09:30:10Z

May 30, 2002

2002-May-30