OSI Model

There are 7 layers in OSI model, The OSI model
1.Application Layer
2.Presentation Layer
3.Session Layer
4.Transport Layer: The Transport layer deals with protocol called TCP(Transmission Control Protocol) This
5.Network Layer: Computers are recognized by IP Address and MAC Address and  the network layer deals with the Network addresses. Network layer
6.Data Link Layer
7. Physical Layer: Physical Layer plays major role in OSI model  it interacts with the hardware devices

Infrastructure Management Services

Infrastructure Management Services(IMS) is the services handling the Infrastructure operations.  There are various kinds of profile in IMS

*Hardware Operations
*Networking 

-IP Configurations
-OSI Model
-Routing
  #Static Routing
 #Default Routing
 #Dynamic Routing

*Linux Server: Linux is 

- User Accounts
-Groups
-Disk Partitions
-FTP(File Transfer Protocol)
-NFS(Network File Sharing)
-DHCP(Dynamic Host configuration Protocol)
-File Permissions
-NIS(Network Information Services)
-Web Services using Apache

*Windows

-File Permissions
-ADDS(Active Directory Domain services)
-DNS(Domain Name Service)
DHCP(Dynamic Host Configuration Protocol)