Admin should know this information

If you are who taken care of computer or Network system then you have to know following things for your network system.

1. How many hard drives do you have?
2. what size is each hard drive?
3. if you have more than one hard drive , which is the primary one?
4. what kind of hard drive do you have?
5. how much RAM do you have? Make , Type (SD, DDR, DDR2...)and speed?
6. do you have SCSI adapter? If So, who made it and what model is it?
7. do you have RAID system? If So, Who made it and what model is it?
8. what type of mouse do you have
9. how many buttons does your mouse have
10. if you have a serial mouse, what com port is it connected to?
11. what is the make and model of your video card ? how much video RAM do you have?
12. what kind of monitor do you have (make and model)?
13. will you be connected to a network ? If So what will be the following:

• your IP Address?
• Your nemask?
• Your gateway address?
• Your domain name server’s IP address?
• Your domain name?
• Your hostname?
• Your types of network card (make and model)
• Your number of card

 14. System is connected to other system, Switch, Hub, or Router?

• If it connected to system then what IP address it has? why system is connected to other system (Role of other system Firewall, Router, NAT)
• If it connected to Switch. Then how many port it has, make and model. It is L2 or L3 Switch. what the IP address of switch, is it switch has configure VLAN? if yes then how many VLAN , subnet for each VLAN. 
• If it connected to Router, then what is the IP address of Router, make and model. how many interfaces it has. IP address infromation of each interface, how the Router is configure, static or Dinymic, is it filtering (Firewall) are enabled ? if yes then what port and network are open. and how the ACL are set?