//top\\: Cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin

From Cisco Bug Search Tool (ID list):

: Includes advanced security features and supports the Cisco IOS command-line interface (CLI) for configuration and management. cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin

Below is a draft description of a key architectural feature enabled by this image: From Cisco Bug Search Tool (ID list): :

This guide provides an in-depth technical overview of the IOS-XE software image. cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin