System security usually is most important for large systems or networks. Define log on, user name or user ID, and password. Explain how passwords are used. Suggestions for creating an effective password . How are a user ID and password are used to access a system or application? What do usage logs do? What is encryption? Define personal firewall. Describe a hacker.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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System security usually is most important for large systems or networks. Define log on,

user name or user ID, and password. Explain how passwords are used. Suggestions for

creating an effective password . How are a user ID and

password are used to access a system or application? What do usage logs do? What is

encryption? Define personal firewall. Describe a hacker.

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