CompTIA Server+
1 Server Hardware
1-1 Server Types
1-1 1 Rack Servers
1-1 2 Tower Servers
1-1 3 Blade Servers
1-1 4 Micro Servers
1-1 5 Hyper-converged Infrastructure
1-1 6 Virtual Servers
1-2 Server Components
1-2 1 CPUs
1-2 2 Memory (RAM)
1-2 3 Storage Devices
1-2 4 Power Supply Units (PSUs)
1-2 5 Cooling Systems
1-2 6 Network Interface Cards (NICs)
1-2 7 Batteries and Uninterruptible Power Supplies (UPS)
1-2 8 Chassis and Enclosures
1-3 Server Form Factors
1-3 1 ATX
1-3 2 EATX
1-3 3 MicroATX
1-3 4 Mini-ITX
1-3 5-1U, 2U, 4U
1-4 Server Management
1-4 1 Remote Management Interfaces
1-4 2 Out-of-Band Management
1-4 3 In-Band Management
1-4 4 KVM (Keyboard, Video, Mouse) Switches
1-4 5 Serial Console
2 Server Virtualization
2-1 Virtualization Concepts
2-1 1 Hypervisors
2-1 2 Type 1 Hypervisors
2-1 3 Type 2 Hypervisors
2-1 4 Virtual Machines (VMs)
2-1 5 Virtual Disks
2-1 6 Virtual Networking
2-2 Virtualization Platforms
2-2 1 VMware vSphere
2-2 2 Microsoft Hyper-V
2-2 3 Citrix XenServer
2-2 4 KVM (Kernel-based Virtual Machine)
2-3 Virtual Machine Management
2-3 1 VM Creation
2-3 2 VM Configuration
2-3 3 VM Migration
2-3 4 VM Cloning
2-3 5 VM Snapshots
2-4 Resource Management
2-4 1 CPU Allocation
2-4 2 Memory Allocation
2-4 3 Storage Allocation
2-4 4 Network Allocation
3 Server Storage
3-1 Storage Technologies
3-1 1 Direct-Attached Storage (DAS)
3-1 2 Network-Attached Storage (NAS)
3-1 3 Storage Area Network (SAN)
3-1 4 Object Storage
3-1 5 Cloud Storage
3-2 Storage Protocols
3-2 1 SCSI (Small Computer System Interface)
3-2 2 SATA (Serial Advanced Technology Attachment)
3-2 3 SAS (Serial Attached SCSI)
3-2 4 iSCSI (Internet Small Computer System Interface)
3-2 5 Fibre Channel
3-2 6 NFS (Network File System)
3-2 7 SMBCIFS (Server Message BlockCommon Internet File System)
3-3 RAID (Redundant Array of Independent Disks)
3-3 1 RAID 0
3-3 2 RAID 1
3-3 3 RAID 5
3-3 4 RAID 6
3-3 5 RAID 10
3-3 6 RAID Levels Comparison
3-4 Storage Management
3-4 1 Disk Partitioning
3-4 2 File Systems
3-4 3 Volume Management
3-4 4 Backup and Recovery
3-4 5 Data Deduplication
4 Server Networking
4-1 Network Protocols
4-1 1 TCPIP
4-1 2 DNS (Domain Name System)
4-1 3 DHCP (Dynamic Host Configuration Protocol)
4-1 4 HTTPHTTPS
4-1 5 FTP (File Transfer Protocol)
4-1 6 SMTP (Simple Mail Transfer Protocol)
4-1 7 SNMP (Simple Network Management Protocol)
4-2 Network Configuration
4-2 1 IP Addressing
4-2 2 Subnetting
4-2 3 VLANs (Virtual Local Area Networks)
4-2 4 Routing
4-2 5 Firewall Configuration
4-3 Network Services
4-3 1 Web Servers
4-3 2 Mail Servers
4-3 3 File Servers
4-3 4 Print Servers
4-3 5 Database Servers
4-4 Network Security
4-4 1 Encryption
4-4 2 Authentication
4-4 3 Access Control
4-4 4 Intrusion Detection and Prevention
4-4 5 VPN (Virtual Private Network)
5 Server Maintenance and Troubleshooting
5-1 Hardware Maintenance
5-1 1 Component Replacement
5-1 2 Firmware Updates
5-1 3 Driver Updates
5-1 4 Regular Cleaning
5-2 Software Maintenance
5-2 1 Operating System Updates
5-2 2 Application Updates
5-2 3 Patch Management
5-2 4 Backup Procedures
5-3 Troubleshooting Techniques
5-3 1 Diagnostic Tools
5-3 2 Error Logs
5-3 3 System Monitoring
5-3 4 Performance Tuning
5-4 Disaster Recovery
5-4 1 Backup Strategies
5-4 2 Restore Procedures
5-4 3 Failover and Failback
5-4 4 Business Continuity Planning
6 Server Security
6-1 Security Concepts
6-1 1 Confidentiality
6-1 2 Integrity
6-1 3 Availability
6-2 Security Measures
6-2 1 Physical Security
6-2 2 Network Security
6-2 3 Data Encryption
6-2 4 User Authentication
6-2 5 Role-Based Access Control (RBAC)
6-3 Security Protocols
6-3 1 SSLTLS
6-3 2 SSH (Secure Shell)
6-3 3 IPSec
6-3 4 Kerberos
6-4 Security Best Practices
6-4 1 Regular Audits
6-4 2 Security Policies
6-4 3 Incident Response
6-4 4 Compliance
7 Server Administration
7-1 User Management
7-1 1 User Accounts
7-1 2 Group Management
7-1 3 Permissions and Access Rights
7-1 4 Password Policies
7-2 System Configuration
7-2 1 Time and Date Settings
7-2 2 Network Configuration
7-2 3 Resource Allocation
7-2 4 Service Management
7-3 Monitoring and Reporting
7-3 1 Performance Monitoring
7-3 2 Resource Utilization
7-3 3 Event Logs
7-3 4 Reporting Tools
7-4 Automation and Scripting
7-4 1 Task Automation
7-4 2 Scripting Languages
7-4 3 Configuration Management Tools
8 Server Compliance and Standards
8-1 Industry Standards
8-1 1 ISO Standards
8-1 2 ITIL (Information Technology Infrastructure Library)
8-1 3 COBIT (Control Objectives for Information and Related Technologies)
8-2 Regulatory Compliance
8-2 1 GDPR (General Data Protection Regulation)
8-2 2 HIPAA (Health Insurance Portability and Accountability Act)
8-2 3 PCI DSS (Payment Card Industry Data Security Standard)
8-3 Best Practices
8-3 1 Documentation
8-3 2 Change Management
8-3 3 Risk Management
8-3 4 Continuous Improvement
8-1-2 ITIL (Information Technology Infrastructure Library) Explained

8-1-2 ITIL (Information Technology Infrastructure Library) Explained

Key Concepts

Service Management

Service Management is a set of specialized organizational capabilities for providing value to customers in the form of services. ITIL focuses on aligning IT services with the needs of business.

Service Lifecycle

The Service Lifecycle is a framework that outlines the stages through which a service passes from conception to retirement. It includes Service Strategy, Service Design, Service Transition, Service Operation, and Continual Service Improvement.

Service Strategy

Service Strategy focuses on defining the value proposition of IT services and aligning them with business objectives. It involves understanding market conditions, customer needs, and competitive positioning.

Service Design

Service Design involves designing IT services that meet business requirements and deliver value. This stage includes designing service components, processes, and policies to ensure services are efficient and effective.

Service Transition

Service Transition focuses on the processes required to ensure new or changed services are introduced successfully into the live environment. It includes change management, release management, and knowledge management.

Service Operation

Service Operation involves managing and delivering IT services to meet business requirements. This stage includes incident management, problem management, request fulfillment, and access management.

Continual Service Improvement

Continual Service Improvement focuses on identifying opportunities to improve IT services continuously. It involves measuring service performance, analyzing data, and implementing improvements to enhance service quality.

Examples and Analogies

Think of Service Management as running a restaurant. Just as a restaurant provides meals (services) to customers, ITIL provides IT services to businesses.

The Service Lifecycle is like the process of preparing a meal. Service Strategy is like planning the menu, Service Design is like creating the recipes, Service Transition is like cooking the dishes, Service Operation is like serving the meals, and Continual Service Improvement is like gathering feedback and making adjustments to the menu.

Service Strategy is like deciding what dishes to offer based on customer preferences and market trends.

Service Design is like creating detailed recipes for each dish to ensure consistency and quality.

Service Transition is like cooking the dishes according to the recipes and ensuring they are ready to be served.

Service Operation is like serving the meals to customers and ensuring they are satisfied.

Continual Service Improvement is like gathering customer feedback and making changes to the menu to improve the dining experience.