These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Practice Quiz
Q1. When a browser connects to a web server to retrieve a document, what default TCP/IP port is used? 142 119 80 25 420
Answer: 80
Q2. When a browser connects to a web server to retrieve a document, what command is sent to the server? PUT GET POST DELE
Answer: GET
Q3. What does the second “T” of HTTP stand for? Transfer Transpose Transport movemenT
Answer: Transfer
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q4. Which of the following is NOT part of a Uniform Resource Locator: Protocol Document Host Operating System
Answer: Operating System
Q5. Which HTML tag typically generates a request to retrieve a document from the server when it is clicked? a div h1 b p img
Answer: a
Q6. What standards organization publishes many of the documents that describe the protocols we use on the Internet? 6-Sigma IRR IETF Educause RIA
Answer: IETF
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q7. Which of the HTTP headers does the browser look at to decide how to display the retrieved document? Format Location Display-type Content-type ETAG Content-length
Q8. In Python, what is the difference between an open file and a socket? A program can rewind a socket and start writing again at the beginning of the socket A program writes to a socket, it can read its data back after closing the socket When you open a file, you get a read and write handle to allow simultaneous operations A socket can be simultaneously read and written
Answer: A socket can be simultaneously read and written
Q9. What must happen before a client can open a socket? The client must create a local file with the same name as the socket A server must be running that is listening for socket connections The client must be in the same folder as the server The server must allocate sufficient memory to handle any needed retransmissions The client must be on the same system as the server
Answer: A server must be running that is listening for socket connections
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q10. What port is used for Simple Mail Transfer Protocol (SMTP)? 80 119 25 420 142
Answer: 25
Q11. What port is used by default for Secure HTTP (https)? 443 119 25 142 80
Answer: 443
Q12. What is the topic of the Internet Engineering Task Force document RFC2616? SMTP – Simple Mail Transfer Protocol HTTP – HyperText Transfer Protocol Message Data Types FTP – File Transfer Protocol POP – Post Office Protocol
Answer: HTTP – HyperText Transfer Protocol
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q13. What is the topic of the Internet Engineering Task Force document RFC42? Message Data Types SMTP – Simple Mail Transfer Protocol HTTP – HyperText Transfer Protocol FTP – File Transfer Protocol POP – Post Office Protocol
Answer: Message Data Types
Q14. Which of these Internet Engineering Task Force (IETF) documents described the “Internet Control Message Protocol”? RFC815 RFC1224 RFC79 RFC5325
Answer: RFC792
Q15. What is the purpose of encode() in the socket1.py code: To make sure that the web server properly recognizes the GET command To check if there is any data ready to send To convert the data to UTF-8 before sending To break the data into packets for network transmission
Answer: To convert the data to UTF-8 before sending
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q16. What can’t you see in the Browser Developer Mode for most browsers? The HTTP response code (like 200 or 404) for each request The request and response headers for retrieved documents The code that runs in the server The browser Document Object Model (DOM)
Answer: The code that runs in the server
Q17. In the sample server.py code, which function call actually waits for incoming socket connection requests? decode() bind() recv() socket() listen()
Answer: listen()
Q18. In the sample server.py code, which function call will fail if another application is already using a port? listen() decode() recv() bind() socket()
Answer: bind()
These are answers of Web Application Technologies and Django Week 1 Answers Coursera Quiz
Q19. Which Python library makes it very easy to make HTTP requests from Python? decode json urllib re
