C182

Question 1

What is the purpose of SDLC (System Development Life Cycle)?

Answer 1

Planning, creating, testing, & deploying information systems including software and hardware

Question 2

What are the SDLC steps?

Answer 2

Preliminary Investigation
Analysis
Logical Design
Physical Design
Implementation
Maintenance

Question 3

Whats involved in the Preliminary Investigation SDLC stage?

Answer 3

Discovery of a problem or opportunity.

Assessment of feasibility (cost, benefits) and selects a development methodology - Step 1

Question 4

Whats involved in the Analysis SDLC stage?

Answer 4

Determines user requirements & develops logical models of the system (demonstrations) - Step 2

Question 5

Whats involved in the Logical Design SDLC stage?

Answer 5

Revised to ensure the new system will meet user requirements - Step 3

Question 6

Whats involved in the Physical Design SDLC stage?

Answer 6

Logical models are converted to physical models. Includes network maps, servers, & devices needed. - Step 4

Question 7

Whats involved in the Implementation SDLC stage?

Answer 7

Development of databases and software programs. Hardware installation. - Step 5

Question 8

Whats involved in the Maintenance SDLC stage?

Answer 8

Modifications & Corrections - Step 6

Question 9

What is Alpha testing?

Answer 9

End users assisted by developers; system tested with simulated data

Question 10

What is Beta testing?

Answer 10

End users test the system w/o help from developers; using actual data

Question 11

What is User Acceptance testing?

Answer 11

End users test the system in operational setting to see if it is useful

Question 12

Alpha, beta, and user acceptance testing occurs during which SDLC step?

Answer 12

Implementation

Question 13

What are 3 steps that occur during deployment?

Answer 13

System Conversion
Final Documentation
End-user training

Question 14

System conversion can occur as …

Answer 14

Direct
Parallel
Pilot
Phased

Question 15

Old system is “turned off” and the new system is “turned on” at a specific date & time.

Answer 15

Direct Conversion

Question 16

A period in time which both systems operate concurrently.

Answer 16

Parallel Conversion

Question 17

Conversion starts with a group of end-users, then deployed on a larger scale.

Answer 17

Pilot Conversion

Question 18

Team deploys a subset of the system first rather than deploying the whole system at once.

Answer 18

Phased Conversion

Question 19

The ability of an organization to recover from a disaster is directly related to their …

Answer 19

BPC (business continuity plan)

Question 20

What creates a copy of everything on the system including the operating system, configuration files, data, and so on?

Answer 20

Image backups

Question 21

Examples of backup media

Answer 21

Magnetic tapes, DVDs, CDs, other hard drives, cloud storage

Question 22

An initial full backup is performed and then subsequent backups only capture the changes since the last backup

Answer 22

Incremental backups

Question 23

When a system writes data to multiple hard drives at the same time to prevent loss of data.

Answer 23

Data mirroring

Question 24

A physical location we’re an organization can move it’s operations in case of a natural disaster or terrorist attack

Answer 24

Hot site

Question 25

A physical location that is a shell without equipment in case of a natural disaster or terrorist attack

Answer 25

Cold site

Question 26

Multiple data centers in disparate regions

Answer 26

Site sharing

Question 27

What network does Bluetooth operate on?

Answer 27

short range ad hoc network called Piconet

Question 28

Which organization supplied a guide for Bluetooth security?

Answer 28

National Institute of Standards and Technologies (NIST)

Question 29

What is a drawback for using IPv4 addressing scheme?

Answer 29

The devices that are limited to using IPv4 are 4.3 billion

Question 30

What is the major benefit of using IPv6?

Answer 30

A greater number of devices can be connected

Question 31

Refers to data sets that are so enormous and multifaceted that they will require more sophisticated database management/processing tools than we currently use.

Answer 31

Big Data

Question 32

which services can businesses can access and use software through the Internet?

Answer 32

SaaS

Question 33

Which service is able to quickly and reliably develop and deliver applications?

Answer 33

PaaS

Question 34

Which service supplies resources (e.g., servers, data storage) an IT department needs are located outside of the organization and are accessible by anyone, anywhere?

Answer 34

IaaS