May you know network administration?

Network admins types

1.) Network admin for data :- He will be performing his roles and duties only on data traffic

2.)Network admin for Voice :- He will be performing his roles and duties only on voice traffic

But this scenarios is applicable only in big organizations. 

usually they handles.

Any data and voice traffic

Designing

Cabling

Data center

Coordination with ISP for WAN links

Coordination with other vendors

maintaining and managing all the network documents as per ITIL standards

Come up with new ideas in terms of security.

Computer Network controling

Responsible for flow less data communication. 

responsible for network equipment (switches, routers, firewalls, cables etc.)

responsible for network configuration of server, computers, and network configuration of any other network equipment like (network printers, network scanners etc.)