100 VMware, vCenter and ESXi terms

1. vCenter Server: Centralized management platform for VMware vSphere environments.
2. ESXi: VMware's hypervisor, allowing virtualization of physical servers.
3. VM: Virtual machine, a virtualized computing environment.
4. vSphere: VMware's suite for managing virtualized data centers.
5. vMotion: Live migration of VMs between hosts without downtime.
6. DRS: Distributed Resource Scheduler, balances workloads across hosts.
7. HA: High Availability, restarts VMs on other hosts if a host fails.
8. SSO: Single Sign-On, central authentication for VMware products.
9. VUM: vSphere Update Manager, manages updates and patches for vSphere components.
10. vSAN: Virtual SAN, software-defined storage solution.
11. VDS: vSphere Distributed Switch, centralized network management for VMs.
12. vSwitch: Virtual switch, network switch for VMs on a host.
13. Resource pool: Group of VMs sharing resources like CPU and memory.
14. Datastore: Storage location for VM files, shared among hosts.
15. OVF: Open Virtualization Format, standard for packaging VMs.
16. Hot-add: Adding resources to a running VM without downtime.
17. Snapshot: Point-in-time copy of a VM's state.
18. Templates: Pre-configured VMs for fast deployment.
19. vApp: Container for managing multiple VMs with shared configurations.
20. VCHA: vCenter High Availability, protects vCenter Server against failures.
21. VAMI: vSphere Appliance Management Interface, manages vCenter Server Appliance.
22. Host profile: Configuration template for ESXi hosts.
23. Auto Deploy: Automates deployment of ESXi hosts using PXE boot.
24. VMFS: Virtual Machine File System, filesystem for storing VMs.
25. NFS: Network File System, file sharing protocol for datastores.
26. Fault Tolerance: Provides continuous availability by running two synchronized VMs.
27. vSphere Replication: VM replication for disaster recovery.
28. Storage vMotion: Live migration of VM storage without downtime.
29. VAAI: vSphere APIs for Array Integration, offloads storage tasks to storage arrays.
30. VASA: vSphere APIs for Storage Awareness, enables storage visibility and management.
31. EVC: Enhanced vMotion Compatibility, allows vMotion between hosts with different CPUs.
32. VCAP: vSphere Client plug-in, extends vCenter functionality with third-party applications.
33. Proactive HA: Predictive High Availability, relocates VMs based on hardware health alerts.
34. vSphere Lifecycle Manager: Simplifies lifecycle management for vSphere infrastructure.
35. Content Library: Centralized repository for VM templates, ISO images, and scripts.
36. Linked Mode: Connecting multiple vCenter Servers for centralized management.
37. VMkernel: Operating system layer of ESXi, responsible for resource management.
38. vSphere Web Client: Browser-based interface for managing vSphere environments.
39. vSphere Client (HTML5): Modern, HTML5-based interface for managing vSphere environments.
40. Storage I/O Control: Balances storage I/O resources among VMs on shared storage.
41. Network I/O Control: Balances network I/O resources among VMs and system traffic.
42. Storage DRS: Storage Distributed Resource Scheduler, balances storage capacity and I/O.
43. VADP: vSphere APIs for Data Protection, enables third-party backup and recovery solutions.
44. Affinity rules: Define VM placement preferences to improve performance or availability.
45. Alarms: Monitors and alerts for vSphere components based on predefined conditions.
46. Permissions: Control access to vSphere components through user and group roles.
47. Tags: Metadata for organizing and searching vSphere objects.
48. Custom attributes: Custom metadata fields for annotating vSphere objects.
49. VM-Host affinity rules: Define VM-host placement preferences for better resource utilization.
50. Nested virtualization: Running a VM inside another VM, typically for lab or testing purposes.
51. VIB: vSphere Installation Bundle, a package containing drivers or software for ESXi.
52. Paravirtualization: Technique to improve VM performance by using specialized virtual hardware.
53. vGPU: Virtual Graphics Processing Unit, sharing physical GPU resources among VMs.
54. NIOC: Network I/O Control, prioritizes and allocates network resources for VMs.
55. Admission Control: Ensures sufficient resources are available for VM failover in HA clusters.
56. VMCI: Virtual Machine Communication Interface, allows fast communication between VMs and hosts.
57. DPM: Distributed Power Management, powers hosts on/off based on resource demand.
58. Storage Profiles: Define storage capabilities and requirements for VM placement.
59. Storage Policy-Based Management: VM storage provisioning based on defined policies.
60. VM Encryption: Protects VM data by encrypting VM files at rest.
61. Instant Clone: Rapidly creates VM copies without the need for full clones.
62. vSphere Trust Authority: Enhances security by establishing a trusted relationship with hosts.
63. Secure Boot: Ensures only digitally signed software runs on ESXi hosts and VMs.
64. Per-VM EVC: Enables EVC at the VM level, allowing migration across different CPU generations.
65. Resource allocation settings: Configure shares, reservations, and limits for VM resources.
66. Transparent Page Sharing: Memory-saving technique by sharing identical memory pages.
67. Memory Ballooning: Reclaims unused memory from VMs to allocate to others.
68. CPU Ready: Metric indicating a VM's CPU time waiting to be scheduled.
69. Lockstep: Technique used by Fault Tolerance to keep primary and secondary VMs in sync.
70. Image Builder: Creates custom ESXi images by adding or removing VIBs from base images.
71. SCSI Reservation: Lock mechanism for coordinating access to shared storage resources.
72. LUN Masking: Restricts access to storage LUNs for specific hosts.
73. iSCSI: Internet Small Computer System Interface, IP-based protocol for storage area networks.
74. RDM: Raw Device Mapping, direct access to a physical storage device from a VM.
75. Thin Provisioning: Allocates storage space to VMs on-demand, conserving storage resources.
76. Thick Provisioning: Allocates entire storage space to VMs upfront, improving performance.
77. IOPS: Input/Output Operations Per Second, measures storage performance.
78. Latency: Time delay between a storage request and response, impacts performance.
79. NUMA: Non-Uniform Memory Access, optimizes memory access in multi-processor systems.
80. vNUMA: Virtual NUMA, exposes NUMA architecture to VMs for performance optimization.
81. DVS Health Check: Monitors vSphere Distributed Switch configuration for consistency.
82. LACP: Link Aggregation Control Protocol, combines multiple network links for redundancy.
83. Port Group: Logical grouping of network ports on a vSwitch or VDS.
84. PVLAN: Private VLAN, isolates VM network traffic within the same VLAN.
85. VXLAN: Virtual Extensible LAN, overlay network that extends Layer 2 across Layer 3.
86. SR-IOV: Single Root I/O Virtualization, enables direct access to physical network devices.
87. NSX: VMware's network virtualization and security platform.
88. vSphere Integrated Containers: Runs containerized applications natively on vSphere infrastructure.
89. Virtual Hardware Version: Represents the virtual hardware features available to a VM.
90. VMware Tools: Suite of utilities to enhance VM performance and management.
91. vSphere SDK: Software Development Kit for building custom applications for vSphere.
92. OVA: Open Virtual Appliance, a single file package of an OVF.
93. vRealize Operations: Performance monitoring and capacity management for vSphere environments.
94. vRealize Log Insight: Log analytics and troubleshooting tool for vSphere.
95. vRealize Automation: Automates provisioning and management of applications and infrastructure.
96. vCloud Director: Manages and provisions multi-tenant cloud resources.
97. vCloud Suite: Integrated set of VMware's cloud management tools.
98. vSphere ROBO: Remote Office Branch Office, simplifies management of remote sites.
99. vSphere Essentials Kit: All-in-one solution for small businesses, includes core vSphere features.
100.vSphere Standard/Enterprise/Enterprise Plus: Different editions of vSphere with varying features.