Networks (3) - CG

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  • More network info
    • Software components
      • Many organisations employ a network manager
        • Can use specialist software to help network management, admin and problem solving
      • User accounts and logs
        • user accounts are assigned to networks (username and password), each account can be given different access
        • each time an account is used a log file is created: time of log on, workstation used, files opened and printer used
    • Security Strategies
      • Virus checking software: check for virus' at a set time, can push new virus defs to client machines
      • Firewalls: check on incoming and outgoing network traffic. Unusual activity is spotted
      • Encryption: keep sensitive data secure by scrambling data so it cannot be recognised without key
    • Disaster planning
      • Backups should be completed regularly, kept off site,can be used on RAID system
      • Restoration: process by which, in the event of failure, data is put back to state before failure occurred
      • Specialist backup SW is used for both back up and recovery
    • Remote Management
      • This involves accessing a network computer from another computer
        • Useful for; seeing who is logged on, check sites employees are using, guide users, shut down a station, rebuild a station and update a station
    • Configuration Management
      • how the network is arranged: location, how they're linked, SW
      • Specialist SW helps to find the best possible configuration
      • Precise information makes repair and upgrade faster
      • Network can be made more secure
      • Previous configurations can be gine back tp
  • Security Strategies
    • Virus checking software: check for virus' at a set time, can push new virus defs to client machines
    • Firewalls: check on incoming and outgoing network traffic. Unusual activity is spotted
    • Encryption: keep sensitive data secure by scrambling data so it cannot be recognised without key

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