ACT 4210- Final Exam Guide - Comprehensive Notes for the exam ( 90 pages long!)

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30 Nov 2017
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NSU
ACT 4210
FINAL EXAM
STUDY GUIDE
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Electronic access controls
- User ID Codes
- File level access attributes (read only)
- Callbacks on dial up
- File attributes
- Firewalls
Firewall methodologies
- Packet filtering (simplest)
- Circuit level gateways (request data)
- Application levels gateways (proxies)
Disaster recovery steps
1. Assess the risks
2. Identify mission critical applications and data
3. Develop a plan for handling mission critical applications
4. Determine personnel responsibilities
5. Test the disaster recovery plan
Disaster recovery service
Emphasis on hardware and telecommunication services
Telecommunications network
Most difficult aspect of recovery
Virtual memory
Not real memory
RAID
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- Redundant array of independent disks
- Disk storage
Multiprogramming
Several parts of a program running at the same time on a single processor
Parallel Processing
Simultaneous use of more than one computer to execute a program
Software
- System software
- Programming languages
- Application software
Linux
UNIX-based operating system
Written in C programming language
Bit
Binary digits in which all computer data is stored
Relational technology
Data is stored in 2D tables that are related to each other via keys
Normalization
- Before relational database can be designed
- Separating data into logical tables
Object oriented databases
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