91 terms

VMware Data Center Virtualization (VCA-DCV)

VMware Data Center Virtualization study aid for the VCA-DCV certification.
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Terms in this set (...)

Hypervisor (ESXi)
A virtualization layer run on physical servers that abstracts processor, memory, storage, and resources into multiple virtual machines.
vCenter Server
The central point for configuring, provisioning, and managing virtualized IT environments. It provides essential datacenter services such as access control, performance monitoring, and alarm management.
vSphere Client
An interface that enables users to connect remotely to vCenter Server or ESXi from any Windows PC.
vSphere Web Client
A Web interface that enables users to connect remotely to vCenter Server from a variety of Web browsers and operating systems.
vSphere SDKs
Feature that provides standard interfaces for VMware and third-party solutions to access VMware vSphere.
vSphere Virtual Machine File System (VMFS)
A high performance clustered file system for ESXi virtual machines.
vSphere Virtual SMP
Enables a single virtual machine to use multiple physical processors simultaneously.
vSphere vMotion (vMotion)
Enables the migration of powered-on virtual machines from one physical server to another, with zero down time, continuous service availability, and complete transaction integrity. During migration the VM is unaffected.
vSphere Storage vMotion
Enables the migration of virtual machine files from one storage device to another while it's running.
vSphere High Availability (HA)
If a server fails, this feature ensures that the affected virtual machines are restarted on other available servers that have spare capacity.
vSphere Distributed Resource Scheduler (DRS)
Allocates and balances computing capacity dynamically across collections of hardware resources for virtual machines.
vSphere Storage DRS
Allocates and balances storage capacity and I/O dynamically across collections of datastores. This feature includes management capabilities that minimize the risk of running out of space and the risk of I/O bottlenecks slowing the performance of virtual machines.
vSphere Fault Tolerance (FT)
This feature maintains a secondary copy of a virtual machine. If the virtual machine becomes unavailable, the secondary machine becomes immediately active.
vSphere Distributed Switch (VDS)
A virtual switch that can span multiple ESXi hosts, enabling significant reduction of on-going network maintenance activities and increasing network capacity.
Host Profiles
A feature that simplifies host configuration management through user-defined configuration policies.
vSphere Auto Deploy
Facilitates rapid server deployment and provisioning of vSphere hosts by leveraging the network boot capabilities of x86 servers together with the small footprint of the ESXi hypervisor.
vApp
A format for packaging and managing applications and the virtual machines they run on.
Data Center Virtualization
The conversion of hardware devices into software resources.
Availability, Scalability, Optimization, Management
The challenges of Data Center Virtualization.
Snapshot
Allows you to capture the entire running state of a virtual machine, from the contents of its hard disks to the state of its CPU and memory. Not designed for daily backups.
Bare-Metal Backup
A complete image-based backup of a virtual machine while its running.
Bare-Metal
Type of backup that allows the restoration of individual files.
False
Bare-Metal Backups can only be restored to the device where it was backed up. True or False?
Hot Add
Feature that allows you to increase the capabilities of a virtual machine without restarting it.
Image-based Backups.
Another name for Bare-Metal Backups.
Hypervisor
Provides the virtual hardware.
Hypervisor
Acts as a Resource Traffic Cop.
Bare-Metal
Type of Hypervisor installed on a physical device without an operating system.
Hosted
Type of Hypervisor installed as an application on top of a pre-existing operating system.
VMware ESXi
Example of a Bare-Metal Hypervisor.
VMware Workstation
Example of a Hosted Hypervisor.
Bare-Metal
Type of Hypervisor typically used in Data Center Virtualization.
Hard Drives, Flash Drives, SD Cards, USB Drives
ESXi installation options.
True
ESXi hosts can be network booted. True or False?
PXE, TFTP
ESXi network boot options.
vCenter
Central management solution that can manage all your ESXi hosts in a single view.
vCenter Components
Identity Management Server, Database Server, Application Server, Web Server, vSphere Web Client.
1000
Number of ESXi hosts a single vCenter server can manage.
10000
Number of powered-on virtual machines a single vCenter server can manage.
vSphere Distributed Power Management (DPM)
Can be used to power-off unused ESXi hosts in your environment, or power-on ESXi hosts when necessary.
vSphere Storage DRS
Automates load balancing from a storage perspective.
vSphere Data Protection (VDP)
Provides the ability to back up virtual machines.
High Availability (HA)
Restarts virtual machines on another host if you have a hardware problem.
Fault Tolerance (FT)
Provides uninterrupted availability for virtual machines.
vSphere Replication (VR)
Can copy virtual machines to another site for disaster recovery purposes.
vSphere vMotion (vMotion)
Allows hardware maintenance during the day without downtime.
VMware Virtual Machine (VM)
A large chunk of memory on an ESXi host.
False
vMotion requires shared storage. True or False?
vSphere Distributed Resource Scheduler (DRS)
Automated use of vMotion for policy-based balancing of virtual machines across ESXi hosts.
vSphere Distributed Power Management (DPM)
Consolidates (via DRS) virtual machines to fewer hosts during non-peak times.
True
Storage vMotion can migrate VMs from any supported storage type to another, including local storage devices. True or False?
Storage I/O Control
Controls the storage usage of busy virtual machines so that other virtual machines can still get an appropriate amount of storage performance.
vSphere Data Protection (VDP)
Leverages data duplication to make backup storage usage more efficient.
vSphere API for Data Protection (VADP)
API that allows 3rd party software vendors to create image-based backups of virtual machines.
vSphere High Availability (HA)
Can monitor the status of ESXi hosts, VMs, and Applications.
False
vSphere HA prevents virtual machines from crashing. True or False?
Hyperic
Enables vSphere HA to monitor Applications.
Fault Tolerance (FT)
A form of active/passive clustering that can perpetually mirror a running virtual machine to another ESXi host to prevent application data loss and corruption.
Shared Storage
Storage visible to multiple ESXi hosts typically used to store VMs and ISO files.
Shared Storage
DRS, DPM, Storage DRS, HA, and FT all require this to work.
Fibre Channel, Fibre Channel over Ethernet, iSCSI, NFS, Local
The types of Shared Storage supported by vSphere.
vSphere Storage Appliance (VSA)
A component of vSphere that allows you to create shared storage from the local storage devices in your ESXi hosts.
vFlash
A technology to leverage internal SSD drives to accelerate the read performance of virtual machines.
Datastores
Containers for storing virtual machines. These containers are logical volumes that allow you to organize the storage of ESXi hosts and virtual machines.
VMFS, NFS
The two types of datastores.
iSCSI, NFS, FCoE
The three types of IP Storage.
Virtual Switch
Attaches virtual machines to a physical network.
Standard, Distributed
The two types of virtual network switches.
Standard Virtual Switch
Manages virtual machine networking at the host level.
Distributed Virtual Switch
Manages virtual machine networking at the data center level.
VLANs
Provides logical separation of network traffic, and are often used to isolate different subnets.
Traffic Shaping
Allows you to restrict the inbound and outbound network bandwidth of a group of virtual machines.
Port Mirroring
Allows you to capture a virtual machine's traffic for troubleshooting or intrusion prevention.
VLANs, Traffic Shaping, Port Mirroring, QoS & DSCP, CDP/LLDP
vSphere's networking features.
QoS, DSCP
Networking standards that allow network switches to prioritize certain network traffic over others.
CDP, LLDP
Discovery protocols used to identify neighboring physical network switches.
vCenter Operations Manager (vCOPS)
Monitors performance and capacity trends to generate health, risk, and inefficiency super metrics based on dynamically adjusting thresholds.
vCenter Configuration Manager (vCCM)
Monitors the configuration of vCenter, ESXi hosts, and VMs, notifies you about changes, and helps correlate current problems to those changes.
vCenter Site Recovery Manager (SRM)
An orchestration tool for disaster recovery and data center migration that facilitates VM and storage replication.
Virtual Machines (VMs)
A cost-effective way to scale out to additional servers to have better application isolation.
Hot Add
The ability to add more CPUs and memory to servers without incurring downtime.
vSphere Storage Appliance (VSA)
Provides a way to have virtual servers without a shared storage infrastructure.
vSphere Distributed Resource Scheduler (DRS)
An automated way to track and correct hot spots on ESXi hosts.
vSphere Storage DRS
An automated way to track and correct hot spots on storage arrays.
Thin Provisioning
A way to make more efficient use of unused space on large disk drives.
vCenter Operations Manager (vCOPS)
Helps identify performance bottlenecks on servers.
vCenter Operations Manager (vCOPS)
Provides detailed performance reports and proactive notifications to help identify immediate and trending performance problems.
VM Storage Profiles
An automatic way to map servers to their appropriate storage class.
Virtual Machines (VMs)
A way to reduce power and cooling requirements for existing servers.
vCenter
A central management solution to keep track of complex, distributed server environments.
vCenter Configuration Manager (vCCM)
A solution for monitoring server environments for unexpected changes for identify regulatory compliance issues.