NSSA-221 Study Guide - Spring 2019, Comprehensive Midterm Notes -

• School: RIT
• Department: Networking, Security, and Systems Administration
• Course: NSSA-221
• Professor: Garret

Document Summary

Netadmin responsible for lower (network) osi layers (physical, data link, Sysadmin responsible for upper (application) osi layers (transport, session, Sysadmin + netadmin = operations (starting to merge ~ early 2000s) Operations + developers = devops (starting to merge now) One piece of hardware, everyone"s doing everything on there. Means that what happens on a mainframe can be done on workstations. Ex: client runs chrome, server runs apache (website) Virtual machines - vmware is the hypervisor. Cloud computing uses virtualization to access it, but virtualization doesn"t always need cloud computing. Change the basis upon which the organization competes. It infrastructure library, recommendations and best practices . Plan, prepare, design, implement, operate and optimize. Isolate the problem by using the tools to determine the root cause/symptoms. Record the process that was used to detect and resolve the problem. Monitor network and system configuration information to uderstand the effects it may have on the operation of the network (hardware and software)