5 - 3: Business Continuity Flashcards
Business Continuity Planning
Controls designed to keep a business running in the face of adversity, natural or human made, AKA Continuity of Operations Planning
Business Impact Assessment
A risk assessment against an organization’s critical IT processes and systems
BCP in the cloud
Partnership between providers and customers
Redundancy
Ensures continuity if one component fails
Single point-of-failure analysis
Identifies and removes where a single component failure could result in full system disruption
Personnel succession planning
The plan to have people with the right skills for continuity in case they are needed or when someone leaves
High Availability
Multiple systems to protect against failure
Fault Tolerance
Makes a single system resistant against failures
Load balancing
Scaling demand against multiple systems to retain performance
Common points-of-failure
Power Supply, Storage, Network
Uninterruptible Power Supplies
Provide battery power during brief disruptions
Managed Power distribution units
Provide power cleaning to server arrays
RAID
Redundant Array of Inexpensive Disks
RAID mirroring (RAID level 1)
Server has 2 disks of identical contents, writes data to both disks (disk 0 and disk 1) simultaneously
Disk Striping with Parity (RAID level 5)
3 or more disks (that is, at least 3 disks) used to store data and parity information. If one disk fails, system can recreate that disk’s content using parity data
