Technical Architecture

Question 1

What is technical architecture?

Answer 1

It describes the system and network components that make up a distributed system, and how they’re interconnected such as:

• hardware/software components
• logical relationships between components
• non-functional aspects of the system

Question 2

What is the purpose of a technical architecture?

Answer 2

Help the designer make informed technical decisions about the solutions

• understand how software/hardware components fit together
• determine which application components runs on which hardware platform
• assess what standards are appropriate
• identify where systems integration is required

Question 3

What are the software components - TA?

Answer 3

• Data storage
• data access logic
• application logic
• presentation logic

Question 4

What are the hardware components - TA?

Answer 4

• clients [pc, phone, iot]
• servers [mainframes, rackmounted]
• networks [lan, wan, adsl

Question 5

What is server based-architecture?

Answer 5

When the server performs all four software component applications functions, and the client captures keystrokes and sends them to the server for processing.

Question 6

What is client-based architecture?

Answer 6

When clients perform most processing activity, server just stores data.
Simple to develop, but quickly overloaded

Question 7

What is client-server architecture?

Answer 7

It’s the most used system nowadays. Thin clients do only presentation logic, thick clients do presentation and application. Apps must be written for both.

Client: presentation logic, thick
Server: data storage, data access, thin

Question 8

Describe the client-server tiers

Answer 8

They are defined based on how the logic is partitioned:

• 2-tier: one server responsible for data storage and access, client reponsible for appp and presentation logic
• 3-tier: data storage and access logic on one server, app logic on another. client responsible for presentation logic
• n-tier: app logic split among two servers, data logic on another, e-commerce apps. and more scalable than previous

Question 9

What is a service?

Answer 9

A discrete unit of functionality that ca be accessed remotely and acted upon and updated independently

Question 10

What is a service oriented architecture?

Answer 10

A style of software design where services are provided by application components

Question 11

What is IaaS- Infrastructure as a service?

Answer 11

virtualized computing resources provided over the internet AWS Azure..

Question 12

What is Paas - Platform as a service?

Answer 12

Resources and tools provided over the internet that allow customers to develop, run and manage applications. force.com bluemix

Question 13

What is SaaS - Software as a service?

Answer 13

Software applications provided over the internet. gmail, workday

Question 14

What is Baas business as a service?

Answer 14

complete business processes provided over the internet

Question 15

Describe what cloud computing architecture is

Answer 15

• server is in the cloud
• client on its pc/mobile
• service is provided by the vendor

Question 16

what components are considered to design the infrastructure?

Answer 16

• Network
• Hardware
• OS
• DBMS
• Resilience
• Security

Question 17

what components are considered to design the network?

Answer 17

Nodes/ routes & switches / firewalls

Question 18

what components are considered to design the storage?

Answer 18

• Cables
• Host Bus Adapters
• Switches
• Storage devices

Question 19

what components are considered for the operational requirements?

Answer 19

• Technical environment
• System integration requirements
• portability
• Maintainability requirements

Question 20

what components are considered for the performance requirements?

Answer 20

• Speed requirements
• Capacity requirements
• Availability and reliability re

Question 21

what components are considered for the security requirements?

Answer 21

• System value estimates
• access control requirements
• encryption and authentication requirements
• virus control requirements

Question 22

what components are considered for the environmental, cultural and legal requirements?

Answer 22

• Green IT / e-waste, energy consumption
• Cultural and political influence
• Language differences / keyboards
• legal implications such as laws and government regulations