From ICT Teacher to an IT Training Ninja

From ICT Teacher to an IT Training Ninja
Teaching Computer Systems to Inspire and Delight

Copyright (c) 2016 CompTIA Properties, LLC. All Rights Reserved. | CompTIA.org
At your fingertips…
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CompTIA is …
The voice of the world’s information
technology (IT) industry.
 Non-profit: We are the world’s largest IT trade association
advancing the global interests of IT professionals.
 Philanthropic: CompTIA’s Creating IT Futures Foundation
helps provide opportunity for the unemployed and under-
employed to gain access to careers in IT.
 A force for change through advocacy: CompTIA promotes
sound public policy at the state and federal level to
advance the digital economy.
 A leader in IT certifications: With over 1.5 million
certified professionals, CompTIA offers IT professionals a
roadmap for establishing and advancing their careers.

Who am I?
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2004
• BSc Cybernetics & Virtual Worlds
• Assistant Language Teacher, Japan
2007
• Technical Trainer
• Apprenticeships
2013
• Head of Curriculum
• Arch Apprenticeships
2015
• CompTIA Certification Evangelist

Binary
 Binary Tetris
 http://goo.gl/6E5aK
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Hardware
 Motherboard
– ATX, Micro ATX
 CPU
– ZIF
 Memory (DIMMs, SO-DIMMs)
 Storage (Traditional vs SSDs)
 PSU
 ESD & Recycling
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HP Compaq ProLiant tower case (cover removed) showing 1)
Motherboard; 2) Expansion slots; 3) Power supply; 4) 5.25" Drive
bays; 5) Floppy disk drive bay; 6) 3.5" Drive bays (for hard
drives)
(© Hewlett-Packard Development Company)

Analogy…
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Expansion slots and Interfaces
 Plug-in cards installed in slots on
motherboard
– Peripheral Component
Interconnect (PCI)
– PCI-X
– PCI Express
 PATA (aka IDE) vs SATA
 USB 1 / 2 / 3
 Firewire (IEEE 1394)
 PS/2
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Storage
 8 Bits in a byte
 1024 bytes = 1MB
 1024 MB = 1 GB
 1024 GB = 1TB
 1024 TB = 1PB
 1024 PB = 1EB
 What are 4 Bits?
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It’s important to get your hands dirty…
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Sourcing hardware
 Freecycle
 Your IT Department
 eBay/Gumtree
 Pound Shop
 http://www.getonlineathome.org/
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Operating Systems
 System Requirements
 Virtualisation
 Installation methods
– Deployment
– Provisioning
 Configuration
– CLI
– Settings
 Group Policy
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Roman Room: OS System Requirements
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1 GHZ Processor 1 GB RAM (x86)
2 GB RAM (x64)
16 GB Disk Space (x86)
20 GB Disk Space (x64)

Virtualisation
 Hyper-V
 Oracle Virtual Box
 VMWare Player
 Microsoft Virtual PC
 Microsoft Azure
16

Installation can be…
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Back to the Future
 Server Management
 Microsoft PowerShell
 Bash on Windows 10
 Default installation of Windows
Server 2016 – No GUI!
 Windows Server Nano
 Linux Servers (on Microsoft Azure)
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Let’s try it out: Command Line Interface
 https://goo.gl/1snIV9
 You will need a Microsoft Account
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OS Configuration
 Compmgmt.msc
 Devmgmt.msc
 Appwiz.cpl
 Eventvwr
 Services
 Accessibility
 Secpol.msc
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Networking
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48-51-B7-40-EA-B5 Cat5e / Cat6 / Cat7
UTP/STP
RJ-45 connector
Hubs
(Dumb devices)

All People Seem To Need Data Processing
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IP Addressing
 IPv4
– Class A, B, C, D
– 32 Bits
– Loopback address
– Subnet mask
– Public/Private
 Network Address Translation (NAT)
 IPv6
– 128 bits
– Use Hex notation
– Designed to cope with massive
growth of connected devices (and
“things”)
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TCP vs UDP
 Transmission Control Protocol (TCP)
– Connection-oriented, reliable
delivery
– Connection establishment
– Acknowledgements and negative
acknowledgments
 User Datagram Protocol (UDP)
– Connectionless, non-guaranteed
delivery
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Wireless
Standard Maximum
Transfer
Rate
Band
802.11a 54 Mbps 5 GHz
802.11b 11 Mbps 2.4 GHz
802.11g 54 Mbps 2.4 GHz
802.11n 150 Mbps 2.4 / 5 GHz
802.11ac 1.3 Gbps 5 GHz
 Security
– Disable SSID broadcast
– MAC address filtering
– Encryption
 WEP
 WPA
 WPA2
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Network Services
 DHCP
 DNS
 Directory Service
 File and Printer Sharing
 Remote Access
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Cloud Services
 Going from TLAs to FLAs
 Cloud Service Models
– IaaS
– PaaS
– SaaS
– XaaS
 Cloud Models
– Public
– Private
– Hybrid
 Vendors
– Microsoft
– Amazon
– Google
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Pizza as a Service
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Security
 Disk Encryption (BitLocker)
 File Encryption (NTFS)
 File and Folder Permissions
 Security Policy / Group Policy /
Mobile Device Management (MDM)
 Rights Management Service (RMS)
 Multifactor Authentication
– Microsoft Hello
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Copyright (c) 2016 CompTIA Properties, LLC. All Rights Reserved. | CompTIA.org 30
We all want a “genius” to help us
A “genius-bar” mentality
to problem resolution with
an increased demand for
fast and accurate problem
solving

A fundamental shift in the support mission
• There’s a greater variety of
“things” to support.
• The emphasis is now on users’
ability to access data from any
device, rather than the device
itself.
Top skills needed

Troubleshooting six steps
 1. Identify the problem
– Question the user and identify user changes to computer and perform backups before making changes
 2. Establish a theory of probable cause (question the obvious)
– If necessary, conduct external or internal research based on symptoms
 3. Test the theory to determine cause
– Once theory is confirmed determine next steps to resolve problem
– If theory is not confirmed re-establish new theory or escalate
 4. Establish a plan of action to resolve the problem and implement the solution
 5. Verify full system functionality and if applicable implement preventive measures
 6. Document findings, actions and outcomes
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Setting up problems for the students to troubleshoot
 Machine won’t turn on
– Power cable disconnected
– Power switch off at floor point
 Can’t connect to Network/Internet
– Cable disconnected (computer, floor point /switch/router)
– Switch/Router off
– Incorrect Proxy settings in browser
– Incorrect static IP address
 File not accessible/garbled
– Incorrect default program assigned to file format
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Let’s Play!
https://kahoot.it
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Some closing thoughts…
 Working definition of digital skills qualifications:
“The very broad set of skills that individuals need in order to understand, use or
create the software and services we all access through devices such as
computers, tablets and ‘smart’ phones.”
– Review of publicly funded digital skills qualifications, SFA, February 2016
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Evolution of the Desk
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Resources (1)
 CompTIA Instructor Network: http://comptia.org/cin
 CompTIA Certifications: https://certification.comptia.org/
 IT Pro TV: https://itpro.tv/ (Free IT Fundamentals course)
 Professor Messer: https://www.professormesser.com/ (Free A+ course)
 Zoom It: https://technet.microsoft.com/en-us/sysinternals/zoomit.aspx
 Google URL Shortener: http://goo.gl/
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Resources (2)
 TechNet Virtual Labs: https://technet.microsoft.com/en-
us/virtuallabs/bb467605.aspx
 Microsoft ISO files: https://www.microsoft.com/en-us/evalcenter/
 Ubuntu: http://www.ubuntu.com/
 Virtual Box: https://www.virtualbox.org/
 MS IT Pro Cloud: https://www.itprocloudessentials.com/
 AWS Labs: https://aws.qwiklab.com/
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Resources (3)
 Keyboard shortcuts
– PC: http://www.laptopmag.com/articles/best-keyboard-shortcuts
– Mac: http://www.techlicious.com/tip/the-most-useful-mac-keyboard-
shortcuts/
 File Hippo: http://filehippo.com/
 Kahoot.it: https://getkahoot.com/
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For more information contact:
Zeshan Sattar
Zeshan Sattar | Senior Manager, Certification Evangelist
Mobile: + 44 (0) 7817 617 975
CompTIA UK
15th Floor, City Point, 1 Ropemaker Street
London, EC2Y 9HT
Twitter @zeshandotcom
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