Building Cloud Services with the Java Spring Framework

Question 1

How we can increase computing power of mobile device?

Answer 1

use cloud servers

Question 2

… provides connection between mobile device and cloud servers

Answer 2

Communication protocol

Question 3

… is a message format

Answer 3

Syntax

Question 4

… is a meaning of the messages

Answer 4

Semantics

Question 5

… is a duration of operation

Answer 5

Timing

Question 6

One of the most popular communication protocol in the Internet

Answer 6

HTTP

Question 7

HTTP abbreviation means

Answer 7

HyperText Transfer Protocol

Question 8

What HTTP provide?

Answer 8

Client-server interaction

Question 9

How Client-server interaction looks like?

Answer 9

Client sends request and gets response from the server

Question 10

Server has a … that can be accessible for client

Answer 10

series of resources

Question 11

server сan be accessible for mobile services, browsers and ..

Answer 11

IoT (internet of things)

Question 12

Why HTTP can be used as communication protocol?

Answer 12

everyone use it on web cites

Question 13

its about transform HTTP to another necessary formats

Answer 13

Data Marshalling

Question 14

What can provide work with millions clients simultaneously

Answer 14

Load Balancing infrastructure

Question 15

What standard Java application make?

Answer 15

series of commands

Question 16

What does standard Java application analyze?

Answer 16

command line parameters («flags)

Question 17

What about does standard Java application notify user?

Answer 17

results or bugs were happen

Question 18

Where does standard Java application store resources?

Answer 18

Database/local file system

Question 19

What is an issue with communication with remote service?

Answer 19

Resources are remotely

Question 20

What does HTTP method GET do?

Answer 20

Retrieve info from a server

Question 21

What does HTTP method POST do?

Answer 21

Send a big amount of info to the server

Question 22

What does HTTP method PUT do?

Answer 22

Save some info to the server

Question 23

What does HTTP method DELETE do?

Answer 23

Delete some resources from the server

Question 24

2 main parts of HTTP methods

Answer 24

method and path to the resource

Question 25

Extra info to help server handle the request is placed in …

Answer 25

Header

Question 26

Important info to process request is placed in

Answer 26

Body

Question 27

… line consists method and path to the resource

Answer 27

Request

Question 28

Mandatory block in HTTP request is

Answer 28

Header

Question 29

Optional block in HTTP request is

Answer 29

Body

Question 30

Where language should be placed?

Answer 30

Header

Question 31

Where character set should be placed?

Answer 31

Header

Question 32

Where content type should be placed?

Answer 32

Header

Question 33

Where cookies should be placed?

Answer 33

Header

Question 34

URL abbreviation means

Answer 34

Uniform Resource locate

Question 35

Show example of URL

Answer 35

http://host:port/path

protocol http
server host
port port
path

Question 36

What sign show that you can put your params in URL?

Answer 36

?

Question 37

Show example of query params

Answer 37

?a=b

key a
value b

Question 38

Which sign allows to send multiple key-value pairs in URL?

Answer 38

&

Question 39

Show example of multyple query params

Answer 39

?a=b&c=d

Question 40

What is Mime types?

Answer 40

information how other side should interpret information

in request or response

Question 41

Give an example of mime type

Answer 41

text/plain

image/png

Question 42

How mime type is used in content type?

Answer 42

Content type in header can show body which mime type should be used

Question 43

There are 2 mechanism to send data: URL parameters and …

Answer 43

Message body