Networking VLANs Antivirus Fault Tolerance And Disaster RecoveryNetworking - VLANs Antivirus Fault Tolerance And Disaster Recovery
VLANs, Antivirus, Fault Tolerance, and Disaster Recovery
Virtual LANs
VLAN Membership
Protocol-based VLANs
Port-based VLANs
MAC Addressbased VLANs
Viruses, Virus Solutions, and Malicious Software
Trojans, Worms, Spyware, and Hoaxes
Protecting Computers from Viruses
Fault Tolerance
Hard Disks Are Half the Problem
Disk-level Fault Tolerance
RAID 0: Stripe Set Without Parity
RAID 1
RAID 5
RAID 10
Server and Services Fault Tolerance
Stand-by Servers
Server Clustering
Link Redundancy
Using Uninterruptible Power Supplies
Why Use a UPS?
Power Threats
Disaster Recovery
Full Backup
Differential Backup
Incremental Backup
Tape Rotations
Backup Best Practices
Hot and Cold Spares
Hot Spare and Hot Swapping
Cold Spare and Cold Swapping
Hot, Warm, and Cold Sites
As far as network administration goes, nothing is more important than fault tolerance and disaster recovery. First and foremost, it is the responsibility of the network administrator to safeguard the data held on the servers and to ensure that when requested, this data is ready to go.