Module 4 - Networking, REST APIs, JSON

Question 1

What is IP address

Answer 1

Unique identification of a host on the network

Question 2

What is DNS

Answer 2

Domain name system. Hostname registry on the network. Maps the hostnames to IP address

Question 3

Use of port numbers

Answer 3

Identify particular application running on a machine

Question 4

REST stands for

Answer 4

Representational state transfer

Question 5

What does REST API use

Answer 5

HTTP, URL, JSON

Question 6

Characteristics of REST

Answer 6

1. Client server model
2. Simple uniform interface
3. Language and platform agnostic
4. Support HTTP/HTTPS
5. Support variety of data formats
6. Layered system - Can have firewall, proxies
7. Stateless - no care about previous invocations