Reddit mentions of Networking For Dummies (For Dummies (Computer/Tech))

You can start with the same book I did... seriously

https://www.amazon.com/Networking-Dummies-Doug-Lowe/dp/111925776X/ref=sr_1_2?ie=UTF8&qid=1503420588&sr=8-2&keywords=networking+for+dummies

There was a line in the forward from an older version of the book that stuck with me; "From this moment on everything is your fault"

The Cisco CCNA books are actually pretty good for reference

https://www.amazon.ca/CCENT-ICND1-100-105-Official-Guide/dp/1587205807/ref=sr_1_5?ie=UTF8&qid=1503420668&sr=8-5&keywords=ccna

https://www.amazon.ca/Routing-Switching-ICND2-200-105-Official/dp/1587205793/ref=sr_1_6?ie=UTF8&qid=1503420668&sr=8-6&keywords=ccna

I would skip certs for now, only because you need to get up to speed quickly.

I would check r/sysadmin and see what they think.

if you want some advice for books and such, then I suggest the following

1)

Networking for Dummies: - You can probably get this one free from the library. I think my library has it

https://www.amazon.com/Networking-Dummies-Computer-Tech/dp/111925776X/ref=asc_df_111925776X/?tag=hyprod-20&linkCode=df0&hvadid=312114711253&hvpos=1o1&hvnetw=g&hvrand=472462205621134697&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9019032&hvtargid=pla-327835119737&psc=1

This will give you an over view of networking.

2)

The Accidental SysAdmin Handbook: A Primer for Early Level IT Professionals 1st ed. Edition

https://www.amazon.com/Accidental-SysAdmin-Handbook-Primer-Professionals/dp/1484218167

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Understand the concepts, processes and technologies that will aid in your professional development as a new system administrator. While every information technology culture is specific to its parent organization, there are commonalities that apply to all organizations.

The Accidental SysAdmin Handbook, Second Edition looks at those commonalities and provides a general introduction to critical aspects associated with system administration. It further acts to provide definitions and patterns for common computer terms and acronyms. 

What You Will Learn

• Build and manage home networking and plan more complex network environments
  
• Manage the network layer and service architectures as well as network support plans
  
• Develop a server hardware strategy and understand the physical vs. virtual server ecosystem
  
• Handle data storage, data strategies and directory services, and central account management
  
• Work with DNS, DHCP, IP v4 and IP v6
  
• Deploy workstations and printers
  
• Manage and use antivirus and security management software
  
• Build, manage and work with intranets and Internet support services
  
  Who This Book Is For
  It is assumed that the reader has little to no experience in a professional information technology environment. 
  
  ​
  
  

3. Time Management for System Administrators: Stop Working Late and Start Working Smart 1st Edition
   
   https://www.amazon.com/Time-Management-System-Administrators-Working/dp/0596007833
   
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   Please note - I'm not a system administrator

Anyone who claims to "know a lot about hacking" would have learned them out of their Networking for Dummies book, if they actually knew what they were talking about.

In fact, Trump doesn't even use a computer, so he doesn't know the first thing about them.