1. Network Topology
Network topology defines how the computers, or nodes, within the network are arranged and connected to each other.
The company used bus topology, which is the simplest way that uses a common backbone to connect all devices
The main advantages of bus topology:
Allows relatively high rate of data transmitting
Failure of one of the station does not affect others
The main disadvantages of bus topology:
It is difficult to troubleshoot a bus
It requires a network to detect when two nodes are transmitting at the same time

2. Backup
The main purpose of back up is to make copies of particular data in order to use those copies for restoring the information in case of equipment failure occurs or other catastrophe
Backup Procedure
Daily backup (ex. Monday to Thursday for most offices)
Weekly backup (ex. Friday for most offices)
Quarterly backup:
The company said that on the first weekend of April, July and October, two full backups must be performed.
Yearly backup:
The company said that on the first weekend of January; two full backups must be performed.
Backup tape storage
If it is not possible to store the tapes offsite, they should at least be kept in a secured place, other than the servers’ room.”
The company does backup the system on daily base and D 2 D (disc to disc) backup.