Dhcp  Dynamic host config protocol.   Client asks for an ip address via a broadcast address(not routable so has to be on same subnet) if a dhcp server is on the dhcp it passes out an address. If no dhcp server on subnet, a dhcp relay will allow send it to another DHCP server.   4 phases:… Continue reading DHCP

Understanding RAID

RAID – Redundant Array of Inexpensive Disks: Logically puts multiple disks together into a single array. This can increase performance and/or add redundancy.   Types of RAID:   Raid 0 Disk striping. No redundancy. Increases performance  Raid 1 Disk mirroring. Data is duplicated. Good redundancy but requires double number of disks. Good read performance  Raid 5 Disk… Continue reading Understanding RAID