Arquitectura

Question 1

La diferencia entre Tier y Layer es

Answer 1

Tier es la separación física de las layers, y las layers son funcionalidades comunes.

Question 2

Una Tier es

Answer 2

La separación física de las capas

Question 3

Una layer es

Answer 3

Un componente que se encarga de una categoría de funcionalidad

Question 4

En SOA, el punto de integración es el…

Answer 4

Enterprise Services Bus (ESB)

Question 5

En SOA, el ESB constitute un _____ ____ __ ____.

Answer 5

Single Point of Failure (SPoF)

Question 6

La capa de datos difiere entre SOA y microservicios porque…

Answer 6

SOA usualmente tiene una capa de datos centralizada y monolítica, en microservicios cada microservicio tiene su propia capa de datos.

Question 7

En SOA, la comunicación ocurre mediante el…

Answer 7

ESB

Question 8

En microservicios, la comunicación se da de forma…

Answer 8

descentralizada, usualmente mediante protocolos ligeros como HTTP/REST

Question 9

La arquitectura en niveles mas común es…

Answer 9

3-tier architecture (cliente - servidor (aplicacion -> BBDD).

Question 10

En una one-tier architecture basada en el cliente, esperamos que el cliente se encargue de…

Answer 10

Todo: presentación, aplicación y datos

Question 11

Un ejemplo de one-tier architecture es…

Answer 11

Una app de escritorio que funcione sin internet

Question 12

Un ejemplo de una two-tier architecture es…

Answer 12

Una app de escritorio que hace queries directamente a una base de datos en otro lugar

Question 13

2 desventajas de los microservicios

Answer 13

• Los sistemas distribuidos son difíciles (consistencia, disponibilidad)
• Es más complejo de entender y monitorear

Question 14

4 ventajas de los microservicios

Answer 14

• Resiliencia (producto de la descentralización)
• Escalabilidad
• Desarrollo Independiente
• Flexibilidad tecnológica

Question 15

Los 4 requisitos no-funcionales de las arquitecturas

Answer 15

• Maintainability
• Scalability
• Reliability
• Efficiency

Question 16

C4 stands for

Answer 16

Context, Containers, Components and Code

Question 17

The different levels in C4 correspond to levels of _______.

Answer 17

abstraction

Question 18

C4 is an ______-____ approach.

Answer 18

abstraction-first

Question 19

The level 1 of C4 is called…

Answer 19

System Context Diagram

Question 20

The level 2 of C4 is called..

Answer 20

Container diagram

Question 21

The level 3 of C4 is called…

Answer 21

Component Diagram

Question 22

The level 4 of C4 is…

Answer 22

Code

Question 23

In C4, a container is…

Answer 23

Essentially, a container is a separately runnable/deployable unit (e.g. a separate process space) that executes code or stores data.

Question 24

A component is…

Answer 24

A component is a grouping of related functionality encapsulated behind a well-defined interface

Question 25

In C4, level 1 focuses on the relationship between….

Answer 25

People and software systems

Question 26

Key abstractions in C4 (excluding code)

Answer 26

• Person
• Software System
• Container
• Component

Question 27

The intended audience of the level 1 is…

Answer 27

Everybody: Technical and non-technical people

Question 28

The intended audience of the level 2 is…

Answer 28

Technical people inside and outside the dev team

Question 29

Relationships between containers should have…

Answer 29

Their communication protocol specified

(ie. JSON/HTTPS or SMTP)

Question 30

In the level one of C4 , where is your system located?

Answer 30

The centre of the diagram

Question 31

What kind of components go into the C4 level 1?

Answer 31

Trick question: None. Only software systems and people belong in the level 1 diagram.

Question 32

In C4:

Level 1 focuses on: ______

Level 2 focuses on: ______

Level 3 focuses on: ______

Level 4 focuses on: ______

Answer 32

Context

Containers

Components

Code