4.3 Flashcards
What is an image level backup?
Applying an image to server that is OS-less which will give you a fully functional service.
What is a file level backup?
Copying important files to a backup
True or False: Application software is typically distributed across multiple servers.
True
What is good to know before beginning an application backup/restore? (3 things)
What server(s) the software is distributed to
What database(s) the data is located in
If the data is stored locally, cloud-based, or both.
True or False: It is good practice to test your ability to backup your system.
True
When a disaster occurs, you may experience power loss. What can you use to help keep power during a disaster?
UPS
What are the three types of UPS?
Offline/Standby
Line-interactive
On-line/Double-conversion
What does an offline/standby UPS do?
If power disappears, it goes from offline mode to online mode and switches back to online when the main power comes back on.
What does a line-interactive UPS do?
Slowly ramps up how much power it uses based off brownouts
What is a brownout?
When the main power voltage takes a dip.
What does an on-line/double-conversion UPS do?
It always runs so that there is no switchover if the main voltage goes out.
What does a surge suppressor do?
Takes additional voltage, usually from spikes, and reroute it to the ground.
True or False: Surge suppressors also acts as a noise suppressor.
True
