1: VirtualBox (Network Administration) In your own words and from your reading, list what you think are the three most important responsibilities of a System Administrator, and the three least important. Give relevant reasons for your choices. As you aware of Network Administrators, usually use lots of IT jargon terms such as (Clone, Snapshot and Copy. e.g. copy your Linux virtual machine) discuss and briefly explain the difference between the three approaches.

2: Linux (digital certificates) Your IT manager at work asked you to re-new a digital certificate for Apache web server on Ubuntu 16.04 and the task had been completed successfully. Based on your successful experience with Ubuntu, discuss and briefly explain the advantages and disadvantages of both self-signed and authority-issued digital certificates for web servers. This must be properly referenced and be in your own words - do not just copy a table from somewhere. do not copy from the internet. thanks

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1 The three most important responsibilities of a system administrator are Ensuring the availability of critical systems and services This includes ensuring that systems are up and running and that the... View the full answer