Chp 13 - System Implementation

Question 1

Define System Construction

Answer 1

Building the system via programming after design approval.

Question 2

When is system construction done?

Answer 2

1. Design of system is approved
2. Design specifications are available.

Question 3

What is the deliverable of system construction?

Answer 3

Fully working software or system.

Question 4

List out things to consider before coding ( 8 )

Answer 4

1. Software Architecture to be used
2. Choice Programming Languages
3. Programming / Coding Standards
4. Types of testing to be carried out
5. User Involvement
6. Code Repository
7. Version Control
8. Security and Copyright

Question 5

What to consider about software architecture?

Answer 5

Choose architecture and platform supporting application requirements.

Question 6

How to select programming language?

Answer 6

Pick language flexible and compatible with requirements.

Question 7

Why follow coding standards?

Answer 7

Ensure compliance and maintainability; e.g., IEEE or Open Source.

Question 8

What testing planning is needed before coding?

Answer 8

Decide test types for pre and post deployment.

Question 9

Why involve users before coding?

Answer 9

Assess user availability and expertise for validation.

Question 10

Where to store code?

Answer 10

Use secure, shareable code repository.

Question 11

Purpose of version control?

Answer 11

Track modifications, backup, and restore workable code.

Question 12

What about security and copyright?

Answer 12

Implement security; identify artifacts needing patent or copyright.

Question 13

List out 5 factors for Good Programming Practice

Answer 13

1. Efficiency
2. Portability
3. Security
4. Readable Codes
5. Refactoring

Question 14

What does ‘Efficiency’ mean in code?

Answer 14

Keep code short and simple.

Question 15

Why avoid hard-coded values?

Answer 15

Use variables for portability and flexibility.

Question 16

What improves code readability?

Answer 16

Meaningful names, comments, and consistent formatting.

Question 17

What is refactoring?

Answer 17

Improving code structure without changing behavior.

Question 18

What is software testing?

Answer 18

Executing software to find bugs and validate requirements.

Question 19

Name a primary testing objective.

Answer 19

Finding defects and bugs.

Question 20

Why prevent defects?

Answer 20

Avoid expensive recovery and failures.

Question 21

How does testing improve quality?

Answer 21

Raises code and product quality.

Question 22

What must testing ensure?

Answer 22

End result meets business and user requirements.

Question 23

List out 2 testing approach

Answer 23

1. Static Testing
2. Dynamic Testing

Question 24

What is static testing?

Answer 24

Finding defects without executing code.

Question 25

Techniques used in static testing?

Answer 25

Reviews, static analysis, walkthroughs, inspections.

Question 26

What is dynamic testing?

Answer 26

Executing code to validate behaviour.

Question 27

Which tests are dynamic?

Answer 27

1. Unit 2. Integration 3. System tests.

Question 28

Recommended tools for testing?

Answer 28

Automated testing tools.

Question 29

List out 3 common testing terms

Answer 29

1. White Box Testing 2. Black Box Testing 3. Stub Testing

Question 30

What is white-box testing?

Answer 30

Tester sees input, process, and output; usually programmers test.

Question 31

What is black-box testing?

Answer 31

Only input and output seen; internal process hidden.

Question 32

What is stub testing?

Answer 32

Testing a single execution line, checking data presence.

Question 33

What is unit testing?

Answer 33

Tests specific code sections, typically functions or classes.

Question 34

What is integration testing?

Answer 34

Verifies interfaces between components and their interactions.

Question 35

What is component interface testing?

Answer 35

Checks data handling between units or subsystems.

Question 36

What is system testing?

Answer 36

Tests fully integrated system against requirements.

Question 37

List out popular testing types

Answer 37

1. Installation Testing 2. Compatibility Testing 3. Smoke and Sanity Testing 4. Regression Testing 5. Acceptance Testing 6. Alpha Testing 7. Beta Testing 8. Destructive / Robust Testing 9. Security Testing

Question 38

What is installation testing?

Answer 38

Ensures correct system installation.

Question 39

What is compatibility testing?

Answer 39

Checks compatibility with other software and OS.

Question 40

What is smoke/sanity testing?

Answer 40

Determines if further testing is reasonable.

Question 41

What is regression testing?

Answer 41

Finds defects after major code changes.

Question 42

What is acceptance testing?

Answer 42

Performed by customer for approval and feedback.

Question 43

What is alpha testing?

Answer 43

Simulated operational testing by selected internal users.

Question 44

What is beta testing?

Answer 44

External user acceptance testing after alpha testing.

Question 45

What is destructive testing?

Answer 45

Tests software durability and tolerance.

Question 46

What is security testing?

Answer 46

Tests for intrusion prevention for confidential data.

Question 47

What are program monitors?

Answer 47

Tools for full or partial program monitoring.

Question 48

Examples of program monitors?

Answer 48

Instruction set simulator, hypervisor, program animation.

Question 49

What are debugging tools?

Answer 49

Allow inspection of program variables on error.

Question 50

What are automated GUI testing tools?

Answer 50

Repeat system-level GUI tests automatically.

Question 51

What do benchmark tools do?

Answer 51

Compare run-time performance with rivals.

Question 52

What are profiling tools?

Answer 52

Highlight hot spots and resource usage.

Question 53

What is a test plan?

Answer 53

Guide to test software using sample data.

Question 54

When is a test plan prepared?

Answer 54

Usually before software is built.

Question 55

Who prepares the test plan?

Answer 55

Software testers.