Midterm Qs : SaaS Architecture

Question 1

What does a client need in order to be able to contact a webserver?

Answer 1

The IP address of the server that the client wants to go to

Question 2

What is an IP address?

Answer 2

An address most commonly assigned by your ISP so you can access the web.

Question 3

Why is a port number necessary?

Answer 3

The port number distinguishes the different network programs running on that machine.

Question 4

What is the system that makes it possible to contact web servers via friendly names instead of IP addresses?

Answer 4

Domain Name System(DNS)

Question 5

What is the difference between an HTTP route and a URL/URI?

Answer 5

HTTP routes: methods that perform certain tasks on a resource
URI/URL: the way those resources are found on a web page

Question 6

What are cookies and why are they useful?

Answer 6

Cookies are small files that are mainly used to improve the clients user experience and they’re useful because HTTP doesn’t remember what the user previously did.

Question 7

What are common examples of HTTP clients?

Answer 7

Apple.com , Google.com , Facebook.com

Question 8

What does REST stand for?

Answer 8

Representational State Transfer

Question 9

Who was REST invented by?

Answer 9

Roy Fielding

Question 10

REST thinks about things in terms of __ and operations on those __.

Answer 10

1: CRUD
2: Methods

Question 11

Know how to implement URLS for standard Create, Read, Update, and Delete operations using REST.

Answer 11

Create: POST /path
Read: GET /path
Update: PATCH /path
Delete: DELETE /path