New Zealand School Of Education Essay

3005 Words Jan 14th, 2015 13 Pages
NEW ZEALAND SCHOOL OF EDUCATION

LAN- LOCAL AREA NETWORK

MANAGEMENT/ PERFORMANCE/ SUPPORT/ DETECTION AND PREVENTION OF VIRUS

Submitted By: Venkata Harish Alapati Tutor: Vidya
ID: I144815
Batch No: 70714 Table of Contents
Introduction: 4
1. Management of access to a local area network 4
Mandatory Access Control (MAC) 5
Discretionary Access Control (DAC) 5
Role Based Access Control (RBAC) 5
1.1. Manageable Resources: 5
Level of Access 6
1.1.1. User: 6
1.1.2. Operator: 6
1.1.3. Administrator: 6
1.2. Access Control 6
1.2.1. Personal Identification: 6
1.3. Audit Trial 7
2. Performance Issues 7
2.1. Effect on Response Time 7
2.1.1. Speed of the device 7
2.1.2. Bandwidth of the Transmission Lines 7
2.1.3. Queuing at nodes 7
2.1.4. Queuing at Host 8
2.1.5. Processing Time 8
2.1.6. Message size and Overheads 8
2.1.7. Priority at the node 8
2.1.8. Quality of Transmission 8
2.2. Analysis of Data and Identification of Problems 8
2.3. Diagnostic Tools 9
2.4. Methods to improve performance: 9
3. Support Issues 10
3.1. Roles of different level users 10
3.2. User expectations from the range of support options 10
4. Viruses 11
Viruses are the malicious programs 11
4.1. Symptoms and Transmission of Viruses 11
4.2. Methods for Prevention, Detection, and Eradication 12
Conclusion 12
References 12

Introduction:
Local Area Network is the most fast and diminutive system. The simplest type of LAN is to join two machines together. It is worked inside…

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