CompTIA Server+ SK0-005 Lessons

Every lesson is free to read, with three practice questions each. Work through them in order, or jump to the objective you need.

Practise with the exam simulator

  1. Rack units, server chassis, and what fits whereObjective 1.1
  2. Power for servers: redundant supplies, UPS and PDUsObjective 1.1
  3. Cooling, airflow, and cabling the rackObjective 1.1
  4. RAID levels, and what each one actually survivesObjective 1.2
  5. Drives, interfaces, and capacity planningObjective 1.2
  6. Shared storage: NAS, SAN, iSCSI and Fibre ChannelObjective 1.2
  7. Out-of-band management: iLO, iDRAC, IPMI and RedfishObjective 1.3
  8. Firmware, UEFI and driver updates without bricking the serverObjective 1.3
  9. Hot-swappable components, and replacing parts safelyObjective 1.3
  10. Partitions, file systems, and disk layout for a serverObjective 2.1
  11. Installing a server OS, and the methods that scaleObjective 2.1
  12. IP addressing, subnets and NIC teaming for serversObjective 2.2
  13. DNS for servers: records, zones and name resolutionObjective 2.2
  14. DHCP and VLANs from the server sideObjective 2.2
  15. Server roles, monitoring, and performance baselinesObjective 2.3
  16. Migrating data between servers without losing anythingObjective 2.3
  17. Clustering and failoverObjective 2.4
  18. Load balancing, and keeping a service upObjective 2.4
  19. Hypervisors, hosts, guests and resource allocationObjective 2.5
  20. Cloud models, and where a server workload livesObjective 2.5
  21. Scripting basics: variables, loops and conditionsObjective 2.6
  22. Automating common server tasksObjective 2.6
  23. Documentation that survives the person who wrote itObjective 2.7
  24. Asset lifecycle, licensing and secure storageObjective 2.7
  25. Encryption at rest and in transitObjective 3.1
  26. Data retention and the data lifecycleObjective 3.1
  27. Physical access control and biometricsObjective 3.2
  28. Environmental controls: temperature, humidity and fireObjective 3.2
  29. User and service accounts, and permissionsObjective 3.3
  30. MFA, and protecting administrative accessObjective 3.3
  31. Malware prevention on serversObjective 3.4
  32. DLP and SIEM: stopping data leaving, and seeing what happenedObjective 3.4
  33. Patching and OS updates for serversObjective 3.5
  34. Reducing the attack surface: services, ports and host firewallsObjective 3.5
  35. Media sanitisation and destructionObjective 3.6
  36. Decommissioning a server, and recycling the hardwareObjective 3.6
  37. The troubleshooting method for serversObjective 4.1
  38. Power faults, and a server that will not POSTObjective 4.1
  39. Storage failures and degraded arraysObjective 4.1
  40. Hardware connectivity: cables, NICs and transceiversObjective 4.1
  41. OS errors and boot failuresObjective 4.2
  42. Application and service failuresObjective 4.2
  43. Patching failures, and rolling back safelyObjective 4.2
  44. Network latency and slow servicesObjective 4.3
  45. Network misconfigurations: IP, DNS, DHCP and VLANsObjective 4.3
  46. Recognising a security breach on the networkObjective 4.3
  47. Backup types: full, incremental, differential and snapshotsObjective 4.4
  48. Backup media, rotation and the 3-2-1 ruleObjective 4.4
  49. Recovery testing, RTO and RPOObjective 4.4
  50. Failover sites, and validating disaster recoveryObjective 4.4