C3560ipservicesk9mz1502se11bin -

: Indicates that the software runs from RAM (m) and is compressed via a ZIP-like utility (z).

: Specifies the IP Services feature set. This provides enterprise-level Layer 3 routing protocols and high-security capabilities (the "k9" designates strong cryptographic features like SSH and HTTPS). c3560ipservicesk9mz1502se11bin

: Defines the software version. It corresponds to Cisco IOS Release 15.0(2)SE11 , which is the maintenance release in the 15.0(2)SE train. : Indicates that the software runs from RAM