I’m Cory, IT is my job and my hobby. This site is a repo of all my IT notes and labs so that I can easily reference them later. I also have a page with tools that I’ve built to help me stay fresh on what I’ve learned. If you want to know more about me, check the about page linked above.
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Artificial Intelligence 1 section, 14 notes
AWS Certified AI Practitioner (Stephane Maarek) 14 notes
- AWS security services for AI
- Responsible AI, governance, and GenAI risks
- Amazon SageMaker
- AWS managed AI services
- ML project phases and hyperparameters
- Model fit and evaluation metrics
- Reinforcement learning and RLHF
- Machine learning fundamentals
- Amazon Q
- Prompt engineering
- Bedrock: RAG, agents, and features
- Generative AI and foundation models
- AWS and cloud computing basics
- What is artificial intelligence
Cloud 1 section, 15 notes
Azure 1 section, 15 notes
AZ-900 (Dion Training) 15 notes
- Deployment and monitoring
- Governance and cost management
- Defense in depth and Defender for Cloud
- RBAC, Zero Trust, Conditional Access
- Entra ID and authentication
- Storage security, transfer, and migration
- Azure Storage: types, tiers, redundancy
- Hybrid connectivity, load balancing, NSGs
- VNets, DNS, and endpoints
- Containers, Functions, and App Service
- Azure VMs and scaling
- Azure architecture: regions to ARM
- Pricing, SLAs, and cloud benefits
- IaaS, PaaS, SaaS, and shared responsibility
- Cloud concepts and models
ITSM 1 section, 10 notes
ITIL 5 Foundation 10 notes
- Four dimensions, PESTLE, and frameworks
- The continual improvement model
- Value streams and complexity thinking
- Practices: change, delivery, control
- Practices: support and operations
- Value chain activities and sourcing patterns
- The seven guiding principles
- The ITIL Value System and governance
- Service relationships and journeys
- ITIL 5 key concepts
Networking 2 sections, 71 notes
CCNA 2 sections, 45 notes
Cisco U 45 notes
- PortFast and BPDU guard
- RSTP port roles and states
- STP varieties
- Issues in redundant topologies
- Redundant topologies and Layer 2 loops
- STP operation
- VLAN design considerations
- 802.1Q trunking
- VLANs and access ports
- Switch startup and verification
- Common ports and application protocols
- How DHCP works
- How DNS works
- How HTTP works
- Public and private IPv4 addresses
- Reserved IPv4 addresses
- Subnet increments and worked examples
- TCP vs UDP: reliable vs best effort
- Transport layer: TCP and UDP basics
- Verifying host IP settings
- VLSM: variable length subnet masking
- Subnetting: borrowing bits
- IPv4 address structure: network and host portions
- Frame switching and the MAC address table
- Half duplex, full duplex, and duplex configuration
- IP characteristics and binary conversion
- Subnet masks and the AND operation
- Unicast, broadcast, and multicast
- Ethernet frames, MAC addresses, and frame switching
- Ethernet media: copper, fiber, and transceivers
- LAN components and functions
- LANs, WANs, and LAN components
- Segments, collision domains, and switches
- Switch benefits and characteristics
- Cisco IOS
- IOS CLI access, mode navigation
- Encapsulation and de-encapsulation
- OSI model, TCP/IP, and encapsulation
- OSI to TCP/IP mapping and layer terminology
- Peer-to-peer communication and PDUs
- TCP/IP model layers
- Describing network traffic
- Cisco CLI command reference
- Interpreting a network diagram
- Network topologies and traffic characteristics
Jeremy's IT Lab 0 notes
CompTIA Network+ (Dion Training) 26 notes
- Troubleshooting performance issues
- Troubleshooting network services
- Troubleshooting wireless issues
- Troubleshooting physical networks
- Troubleshooting tools
- Troubleshooting methodology
- Disaster recovery
- Documentation and processes
- Orchestration and automation
- Network monitoring
- Network segmentation
- Logical security
- Network attacks
- Network security fundamentals
- Cloud and the datacenter
- Wide area networks (WANs)
- Network services
- Routing
- IP addressing
- Ethernet switching
- Wireless networks
- Distribution systems
- Media and connectors
- Ports and protocols
- OSI model
- Network fundamentals
Security 1 section, 25 notes
CompTIA Security+ (Dion Training) 25 notes
- Security awareness
- Automation and orchestration
- Incident response
- Alerting and monitoring
- Vulnerability management
- Security techniques
- Hardening
- Malicious activity
- Vulnerabilities and attacks
- Identity and access management (IAM) solutions
- Security infrastructure
- Security architecture
- Cyber resilience and redundancy
- Audits and assessments
- Asset and change management
- Governance and compliance
- Third-party vendor risks
- Risk management
- Cryptographic solutions
- Data protection
- Malware
- Social engineering
- Physical security
- Threat actors
- Fundamentals of security
Storage 1 section, 15 notes
Intro to SAN and NAS Storage (Neil Anderson) 15 notes
- NVMe over Fabrics
- Object storage
- FCoE: Fibre Channel over Ethernet
- iSCSI
- Fibre Channel part 1: FCP and WWPN addressing
- Fibre Channel part 2: zoning and LUN masking
- Fibre Channel part 3: fabric login
- Fibre Channel part 4: redundancy and multipathing
- Comparing SAN and NAS storage
- NFS
- SMB and CIFS
- Benefits of SAN and NAS storage
- RAID levels
- Storage media types
- What is a storage system