HTTP

Question 1

HTTP

Answer 1

Hypertext Transfer Protocol

Question 2

What is Hypertext Transfer Protocol?

Answer 2

The mechanism through which data is requested and provided on the world wide web.

Question 3

The information sent by the client is called the _____.

Answer 3

request

Question 4

1. GET:
2. DELETE:
3. PUT:
4. POST:

Answer 4

1. GET: get the specified source.
2. DELETE: delete a resource.
3. PUT: replace it.
4. POST: Send information to it.

Question 5

What is a ‘resource’?

Answer 5

may be anything that can be transferred as if it is a file.

Question 6

Which type of programming refers to programs that run on continuous loop to divert blocking operations to different handlers?

a. Synchronous programming
b. Asynchronous programming

Answer 6

b. Asynchronous programming.

• It runs on a loop and defers blocking operations to handlers in order to maintain a running state.

Question 7

What are the three states that an es6 promise can have?

Answer 7

Pending, Fulfilled, Rejected

Question 8

GET /17_http.html HTTP/1.1: What does the first word, GET, stand for?

Answer 8

GET stands for the method of request.

Question 9

GET /17_http.html HTTP/1.1: What does /17_http.html stand for?

Answer 9

/17_http.html is the path of the resource the request applies to.

Question 10

/17_http.html: What does HTTP/1.1 stand for?

Answer 10

HTTP/1.1 indicates the version of the HTTP protocol it is using.

Question 11

Status code that starts with 2 indicate…

Answer 11

the request has succeeded.

Question 12

Status code that starts with 4 indicate…

Answer 12

the request has failed.

Question 13

Promises handle ________ functions in es6 by representing values that will at some point return in the future.

Answer 13

asynchronous

Question 14

___ method retrieves data and has no secondary effect.

Answer 14

GET

Question 15

___ method sends data to a server to add resources.

Answer 15

POST

Question 16

Which HTTP request method retrieves data from a resource and has no secondary effect?

Answer 16

GET

Question 17

Which of the following demonstrates a proper use of the fetch API function? Assume that ‘root’ is defined: root = ‘https://exampleapi/posts/1’.

a. fetch(root,{method:’GET’});
b. fetch().then(root).then(data = > data.json());

Answer 17

a. fetch(root,{method:’GET’});

Question 18

_______ programming refers to programs that run sequentially, from top to bottom, that may or may not encounter blocking operations that affect the run time.

Answer 18

Synchronous

Question 19

_______ programming refers to programs that run on a looped operation and divert blocking operations to handlers in order maintain the run time.

Answer 19

Asynchronous

Question 20

User interfaces and browsers implements systems based on ________ programming in order to handle the unpredictability of user events such as clicks, mouse moves, and more.

Answer 20

asynchronous

Question 21

ES6 ______ allow programs to handle asynchronous processes by representing values that will return at some point in the future.

Answer 21

promises

Question 22

_____ defines the foundation for data communication over the world wide web.

Answer 22

HTTP

Question 23

The ______ method begins to provides access in ES6 to HTTP request methods and grab data from apis by returning a promise that stands in for resulting data.

Answer 23

Fetch