Mobile App Quiz 5

Question 1

firebase is a

Answer 1

NoSQL JSON tree doc

Question 2

can firebase be relational?

Answer 2

yes, but it does it differently - a nested tree

Question 3

firebase uses ? database storage

Answer 3

key-value

Question 4

explain offline support

Answer 4

any changes a user makes will be stored on the device until it can be uploaded to the database

Question 5

firebase provides

Answer 5

authentication, hosting, realtime, and offline support

Question 6

the goal is to keep the data structure as ? as possible

Answer 6

flat

Question 7

firebase allows nesting up to ? levels deep, but nesting yields a ? issue

Answer 7

32; time

Question 8

when you fetch data from a firebase tree, you also fetch

Answer 8

all of its child nodes

Question 9

firebase uses ? and ? to retrieve data

Answer 9

web socks and REST API

Question 10

web socket

Answer 10

computer communications protocol providing full duplex communication channels over a single TCP connection

Question 11

what does full duplex mean

Answer 11

two-way; like phones, NOT like walkie talkies (you CAN talk over each other)

Question 12

TCP stands for

Answer 12

transmission control protocol

Question 13

TCP provides a

Answer 13

reliable, ordered, and error-checked delivery of a stream of data between applications via an IP network

Question 14

REST API stands for

Answer 14

representational state transfer

Question 15

REST API is

Answer 15

an architectural style that defines a set of constraints to be used for creating web services

Question 16

REST API is sometimes called

Answer 16

RESTful

Question 17

REST API is most commonly used with

Answer 17

HTTP request and respond traditional format (although it now allows streaming for some languages)

Question 18

when using firebase’s email authentication, the email only checks

Answer 18

uniqueness and that it follows email format, not that it actually exists or is your own

Question 19

OAuth is an open standard for

Answer 19

access delegation

Question 20

OAuth is commonly used as a way for internet companies and users to

Answer 20

grant websites/apps access to their information on other websites but without giving them the passwords

Question 21

companies that use OAuth

Answer 21

Amazon, Google, FB, Twitter, Microsoft

Question 22

OAuth specifies a process for

Answer 22

resource owners to authorize third party access to their server resources without sharing their credentials

Question 23

OAuth is designed to work with HTTP using

Answer 23

acces tokens

Question 24

access tokens are essentially

Answer 24

a string

Question 25

two versions of OAuth and the different

Answer 25

OAuth 1.0 and OAuth 2.0

1.0 has extra security but 2.0 is more widely used

Question 26

firebase has cloud storage strictly for

Answer 26

storing photos/videos from users