Coursera课程《Using Python to Access Web Data》 Week3 Networks and Sockets
1.What do we call it when a browser uses the HTTP protocol to load a file or page from a server and display it in the browser?
D
Internet Protocol (IP)
DECNET
SMTP
IMAP
The Request/Response Cycle
1 分
2.
第 2 个问题
What separates the HTTP headers from the body of the HTTP document?
B
Four dashes
A blank line
A less-than sign indicating the start of an HTML tag
X-End-Header: true
1 分
3.
第 3 个问题
What must you do in Python before opening a socket?D
import tcp-socket
import tcp
_socket = true
open socket
import socket
1 分
4.
第 4 个问题
Which of the following TCP sockets is most commonly used for the web protocol (HTTP)?D
25
119
23
22
80
1 分
5.
第 5 个问题
Which of the following is most like an open socket in an application?A
An “in-progress” phone conversation
Fiber optic cables
The wheels on an automobile
The chain on a bicycle
The ringer on a telephone
1 分
6.
第 6 个问题
What does the “H” of HTTP stand for?C
wHolsitic
Hyperspeed
Manual
HyperText
Simple
1 分
7.
第 7 个问题
What is an important aspect of an Application Layer protocol like HTTP?C
How much memory does the server need to serve requests?
How long do we wait before packets are retransmitted?
Which application talks first? The client or server?
What is the IP address for a domain like www.dr-chuck.com?
1 分
8.
第 8 个问题
What are the three parts of this URL (Uniform Resource Locator)?A
1
http://www.dr-chuck.com/page1.htm
Protocol, host, and document
Protocol, document, and offset
Host, offset, and page
Page, offset, and count
Document, page, and protocol
1 分
9.
第 9 个问题
When you click on an anchor tag in a web page like below, what HTTP request is sent to the server?A
Please click here.
GET
POST
PUT
DELETE
INFO
1 分
10.
第 10 个问题
Which organization publishes Internet Protocol Standards?C
SCORM
IMS
IETF
LDAP
SIFA
1 分