POM L8

Question 1

What is Software Configuration Management?

Answer 1

#A set of management disciplines to develop a baseline
#with a goal to make technical and managerial activities 
more effective

Question 2

What is a base line?

Answer 2

A work product that can be changed only

through a formal change control procedure.

Question 3

What are Configuration Management Roles?

Answer 3

#Configuration Manager
• identifies configuration items
#Change Control Board Member
• approves/rejects change requests
# Developer
• Creates promotions triggered by change requests or the 
normal activities of development. The developer checks 
in changes and resolves conflicts
#Auditor
• selection and evaluation of 
promotions for release and for ensuring the consistency 
and completeness of this release.

Question 4

What are Configuration Management Activities?

Answer 4

Configuration item identification

• Modeling the system as a set of evolving
components
#Promotion management
• The creation of versions for other developers
#Release management
• The creation of versions for clients and users
#Change management
• The handling, approval & tracking of change
requests
#Branch management
• The management of concurrent development
#Variant management
• The management of coexisting versions

Question 5

What is configuration Item ?

Answer 5

An aggregation of software, hardware, or both, designated for configuration management

Question 6

What is a version ?

Answer 6

Is the initial release or re-release of a configuration item

Question 7

Name all 3 SCM Directories !

Answer 7

Programmer’s Directory

• Library for holding newly created or modified software
entities
#Master Directory
• Manages the current baseline(s) and for controlling
changes made to them
#Software Repository
• Archive for the various baselines released for general use

Question 8

Define promotion and release !

Answer 8

#Promotion when internal development of the software is changed
#Release when changed applied to the software is made visible outside

Question 9

Define revision and release!

Answer 9

#revision : is a change to a version which only corrects errors in design and code an does not change functionality.
#release: formal distribution of approved version

Question 10

Name 3 forms of baselines !

Answer 10

#Developmental baseline
#Functional baseline
#Product baseline

Question 11

Name and explain 3 Architectural Styles for Version Control!

Answer 11

#Standalone:
Programmer has a simple 
local database that keeps all 
the changes to files under 
revision control. 
#Client-Server:
• A single server contains all the 
versioned files
• Programmers check out files from 
to the server to their computer, 
change them and check them back 
into the server
#Peer-to-peer:
 Each programmer’s directory 
fully mirrors Server Computer
and Programmers can work offline 
on their own branches

Question 12

What are the tasks for configuration manager ?

Answer 12

#Write the SCMP
#Define configuration items
#Define change policies
#Define activities and responsibilities

Question 13

What is Software Configuration Management

Plan and what does it define ?

Answer 13

It defines:
# types of documents to be managed
# tools
# who takes what responsibility 
# configuration management database 
# policies for change control

Question 14

Name and explain two types of SCMP tailoring !

Answer 14

#Upward tailoring :
to add information
#Downward tailoring
reducing components which do not apply

Question 15

What are reasons for Continuous Integration?

Answer 15

• Risk 1: The later integration occurs in a project, the
bigger is the risk that unexpected faults occur
• Risk 2: The higher the complexity of the software system,the more difficult it is to integrate its components
#Continuous integration addresses these risks by building as early as possible and frequently
#There is always an executable version of the system
#Team members have a good overview of the project
status

Question 16

What is Continuous Delivery and what are its advantages ?

Answer 16

A software is built in way that it can be released to a production at any time.
\+ accelerated time to the market
\+ improved product quality
\+ improved customer satisfaction
\+ building the right product

Question 17

What is the Broken Window Theory ?

Answer 17

Don’t leave “broken windows” (bad designs, wrong decisions, or poor code) unrepaired, Fix each one as soon as it is discovered

Question 18

When does Software rot occur ?

Answer 18

When disorder increases in software

Question 19

In distributed version control, what does every computer used by a project participant have ?

Answer 19

#A repository with some branches
#A working copy