Networks - Wi-Fi, SW. Components and Security Strategies
- Created by: lauren778
- Created on: 10-04-18 23:48
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- Networks
- Wireless Networking
- Advantages of Wi-Fi
- Allows inexpensive LANs to be set up w/o cables
- Allows people to work anywhere a signal can be received
- Ideal for networks in old buildings where cables cannot be installed
- Global set of standards - use all over the world
- Problems of Wi-Fi
- Power consumption is high - laptops soon exhaust rechargeable batteries
- Security problems, even when encryption is used
- Limited range
- Interference if signals overlap
- Transmission speed slower than cable
- Advantages of Wi-Fi
- Software Components
- Many companies employ a network manager
- Network manager uses specialist SW to help w/ network managementadmin and problem solving
- User Accounts and Logs
- User accounts are designed to help users
- Each account can be given different permissions.
- Each time an account is used, a log file is created which details the user’s activity
- Time of log on
- Workstations used
- Files opened
- Security Strategies
- Specialist SW can be used to deal w/ security threats
- Virus Checking SW
- Each workstation can be configured to check for viruses at a set time
- The server can ‘push’ new virus definitions to client machines
- Virus Checking SW
- Specialist SW can be used to deal w/ security threats
- Wireless Networking
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