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
2-4 Resource Management Explained

2-4 Resource Management Explained

Key Concepts

Resource Management

Resource Management involves the strategic planning, allocation, and control of resources such as CPU, memory, storage, and network bandwidth to ensure optimal performance and efficiency. It is a critical aspect of managing server infrastructure, ensuring that resources are used effectively to meet the demands of applications and services.

Resource Allocation

Resource Allocation is the process of assigning specific amounts of resources to different applications, services, or virtual machines (VMs). This ensures that each entity receives the necessary resources to function properly without overloading the server. Tools like VMware vSphere's Distributed Resource Scheduler (DRS) and Microsoft Hyper-V's Dynamic Memory help automate and optimize resource allocation.

Resource Optimization

Resource Optimization focuses on fine-tuning resource allocation to improve performance and efficiency. This involves analyzing resource usage patterns, identifying bottlenecks, and making adjustments to ensure that resources are used optimally. Techniques such as load balancing, dynamic resource scaling, and performance tuning are commonly used to achieve resource optimization.

Resource Monitoring

Resource Monitoring involves continuously tracking the usage and performance of resources to ensure they are functioning within acceptable parameters. Monitoring tools provide real-time data on CPU utilization, memory usage, disk I/O, and network throughput. This data helps administrators identify issues, predict resource needs, and make informed decisions to maintain optimal performance.

Resource Utilization

Resource Utilization refers to the extent to which resources are being used. High resource utilization indicates that resources are being used effectively, while low utilization may suggest inefficiencies or underutilization. Effective resource management aims to achieve high utilization without overloading resources, ensuring a balance between performance and efficiency.

Examples and Analogies

Think of resource management as managing a kitchen. Resource allocation is like assigning specific tasks to each chef (CPU, memory) and ensuring they have the necessary ingredients (storage, network bandwidth). Resource optimization is like fine-tuning recipes to use ingredients more efficiently. Resource monitoring is checking on the chefs' progress and ingredient usage to ensure everything is running smoothly. Resource utilization is ensuring that the kitchen is fully operational without any idle chefs or wasted ingredients.

Another analogy is managing a fleet of delivery trucks. Resource allocation is assigning routes and loads to each truck. Resource optimization is improving delivery routes to save time and fuel. Resource monitoring is tracking the trucks' locations and fuel levels. Resource utilization is ensuring that all trucks are on the road delivering goods without any idle vehicles.