What does the administrator do? Their activities can be divided into two large groups: network administration and system administration .
The term computer network is generally known and is a technically complete term. When we talk about workplace administrator ra d unarskih networks f and for its tasks under the network administration we mean:
local area network (LAN) design
wireless network design (WLAN)
broadband network (WAN) design
understanding of network protocols, OSI models and IP addressing
understanding the concept of domains in a network environment
knowledge of network equipment
concrete work with active and passive network equipment
knowledge of PC hardware
knowledge of server hardware architecture
knowledge of network services
monitoring network trends
What is system administration?
System administration is a combination of activities aimed at monitoring and managing the organization's IT infrastructure. It is a much broader concept than the one we intuitively understand by the term "system". System administrators are not developers . Their task is to provide functionality, to guarantee the correct and appropriate operation of the network, depending on the type of applications, the number of users and support for business processes.
The business of a modern company is based on timely and accurate information that is today conditioned by the application of modern communication technology, which further emphasizes the importance of the system administrator. Processing and handling of information directly depends on the application of information technology, for which the computer network administrator is directly responsible.
The information system must be available 24 hours a day, 7 days a week, and a system crash can have catastrophic consequences. The business of a company depends on the durability of the information system, which means that there must be a solid and clear plan and quality infrastructure.