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VMware VCP-DCV (Exam 2V0-21.20) > Chapter 1: vSphere Overview, Components, & Requirements > Flashcards

Chapter 1: vSphere Overview, Components, & Requirements Flashcards

1
Q

Describe vSphere Replication.

A

An extension to the VMware vCenter Server that provides hypervisor-based VM replication and recovery.

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2
Q

Describe vCenter High Availability.

A

A component of vSphere that provides protection for the VCSA against host, hardware, and application failures.

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3
Q

What kind of automated failover is used in vCenter High Availability?

A

Active/passive.

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4
Q

What feature can be used to provide significantly less downtime when patching the vCenter Server Appliance?

A

vCenter High Availability.

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5
Q

What feature was added in vSphere 7.0 that allows you to back up and restore the VCSA?

A

vCenter Appliance File-Based Backup & Restore.

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6
Q

In vSphere HA, when a host failure is detected the VM is is migrated and restarted on the surviving host. What kind of migration is this classified as?

A

A cold migration.

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7
Q

What kind of failover is provided by Fault Tolerance (FT)?

A

Automated live failover.

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8
Q

Describe the function of DPM?

A

Distributed Power Management (DPM) is a component of vSphere that is used to conserve power usage by proactively shutting down hosts when they are not in use, and restarting them when they are needed.

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9
Q

Describe the function of a Content Library.

A

A Content Library is a centralized repository used to distribute templates, ISOs, scripts, vApps, and other files associated with VMs.

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10
Q

Describe the purpose of a Host Profile?

A

A feature that can be used to apply an standard configuration to a set of ESXi hosts.

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11
Q

What 3 line items should be procured when planning for a vSphere environment?

A

A vCenter Server license, a vSphere license, and support for the environment.

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12
Q

What versions/editions of vCenter Server are available?

A

Essentials, Essentials Plus, Foundation, and Standard.

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13
Q

What number of hosts are supported with a vCenter Server Essentials license?

A

3 hosts, with 2 CPUs max.

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14
Q

What number of hosts are supported with a vCenter Server Essentials Plus license?

A

3 hosts, with 2 CPUs max.

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15
Q

What number of hosts are supported with a vCenter Server Foundation license?

A

4 hosts are supported, with no CPU limitation.

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16
Q

What number of hosts are supported with a vCenter Server Standard license?

A

2000 hosts are supported, with no CPU limitation.

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17
Q

Which versions of vSphere include the license for vCenter Server?

A

Essentials and Essentials Plus.

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18
Q

Which versions of vCenter Server include basic vCenter features such as single pane of glass, management, Lifecycle Manager, and VMware converter?

A

All 4 versions of vCenter Server include the basic feature set:
- Essentials
- Essentials Plus
- Foundation
- Standard

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19
Q

Which versions of vCenter Server include common vCenter features such as vMotion, vSphere HA, & vSphere Replication?

A

Essentials Plus, Foundation, and Standard all support common vCenter features. Essentials Plus does not include common features.

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20
Q

Which versions of vCenter Server include advanced vCenter features such as vCenter Server High Availability, and VCSA backup and restore?

A

Only the Standard version of vCenter includes these features. Essentials, Essentials Plus, and Foundation do not include advanced feature sets.

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21
Q

How many CPUs and cores are covered by a single vSphere license?

A

A single vSphere license covers 1 physical CPU, and up to 32 cores.

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22
Q

What are the major versions/editions of vSphere 7.0?

A

Standard and Enterprise Plus.

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23
Q

How many vCPUs are supported for Fault Tolerance in the Standard edition of vSphere?

A

Up to 2 vCPUs.

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24
Q

How many vCPUs are supported for Fault Tolerance in the Enterprise Plus edition of vSphere?

A

Up to 8 vCPUs.

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25
Q

Which version of vSphere supports a more complex topology that allows for the following configurations?
- vCenter Server for Windows
- Embedded databases (PostgreSQL)
- External databases (SQL Server, Oracle)
- External PSCs

A

vSphere 6.0 supports these topologies.

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26
Q

Which version of vSphere does not require an external PSC?

A

vSphere 7.0

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27
Q

Describe vCenter Single Sign-On.

A

An authentication service that utilizes a secure token exchange mechanism rather than requiring to authenticate users per component.

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28
Q

Which component is a part of vCenter SSO and provides SAML tokens to authenticate users to other vCenter components?

A

Security Token Service (STS).

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29
Q

What VCSA service contains the topology of the vSphere infrastructure and allows secure communication between vSphere components?

A

The vCenter Lookup service.

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30
Q

Which VCSA service provides the vCenter SSO domain? (vsphere.local)

A

The VMware Directory Service.

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31
Q

What VCSA service provides web services such as ICIM/Hardware Status, Performance Charts, Web Access, Storage Policy Based Services, and vCenter Server status?

A

The tcServer.

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32
Q

What is the default domain name for vCenter Server?

A

vsphere.local

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33
Q

What is the name of the vCenter feature that allows multiple VCSAs to be connected together so all vCenter Server systems and their respective inventories can be managed together?

A

Enhanced Linked Mode.

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34
Q

What edition of vCenter Server is required to utilize Enhanced Linked Mode?

A

vCenter Server Standard. Essentials, Essentials Plus, and Foundation do not support ELM.

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35
Q

How many instances of the vCenter Server Appliance can be linked together using Enhanced Linked Mode?

A

Up to 15 VCSAs can be connected using Enhanced Linked Mode.

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36
Q

What are the 3 instances of vCenter Server that are required for vCenter High Availability (HA)?

A

In VCHA there are active, passive, and witness nodes. The active node is cloned twice to the passive and witness nodes.

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37
Q

What kind of failover is provided by vCenter High Availability?

A

VCHA utilizes an active/passive failover solution.

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38
Q

What is the purpose of the witness node in regards to vCenter High Availability?

A

The witness is a lightweight clone of the active node that provides quorum in the case of a split-brain situation.

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39
Q

What version of ESXi can the vCenter Server Appliance be deployed on?

A

The VCSA can be deployed on ESXi version 6.5 or later.

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40
Q

What are the CPU and memory requirements to deploy a vCenter Server Appliance for a Tiny environment?

A

2 CPUs and 12 GB of memory.

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41
Q

What are the CPU and memory requirements to deploy a vCenter Server Appliance for a Small environment?

A

4 CPUs and 19 GB of memory.

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42
Q

What are the CPU and memory requirements to deploy a vCenter Server Appliance for a Medium environment?

A

8 CPUs and 28 GB of memory.

43
Q

What are the CPU and memory requirements to deploy a vCenter Server Appliance for a Large environment?

A

16 CPUs and 37 GB of memory.

44
Q

What are the CPU and memory requirements to deploy a vCenter Server Appliance for an X-Large environment?

A

24 CPUs and 56 GB of memory.

45
Q

How many hosts and virtual machines are supported by a vCenter Server Appliance in a Tiny environment?

A

Up to 10 hosts or 100 virtual machines.

46
Q

How many hosts and virtual machines are supported by a vCenter Server Appliance in a Small environment?

A

Up to 100 hosts or 1000 virtual machines.

47
Q

How many hosts and virtual machines are supported by a vCenter Server Appliance in a Medium environment?

A

Up to 400 hosts or 4000 virtual machines.

48
Q

How many hosts and virtual machines are supported by a vCenter Server Appliance in a Large environment?

A

Up to 1000 hosts or 10,000 virtual machines

49
Q

How many hosts and virtual machines are supported by a vCenter Server Appliance in an X-Large environment?

A

Up to 2000 hosts or 35,000 virtual machines.

50
Q

How much RAM is required and recommended to install ESXi version 7.0

A

4 GB is the minimum, but 8 GB is recommended.

51
Q

How much space is required for an SD or USB boot disk?

A

At least 8 GB of storage is required.

52
Q

How much space is required for a HDD, SSD, or NVMe boot disk?

A

At least 32 GB of storage is required.

53
Q

What feature must be enabled on ESXi to allow a CD-ROM device to connect to a virtual machine?

A

IDE emulation mode.

54
Q

What is the default storage size for a vCenter Server Appliance that uses a Tiny deployment?

A

Default is set to 415 GB.

55
Q

What is the default storage size for a vCenter Server Appliance that uses a Small deployment?

A

Default is set to 480 GB.

56
Q

What is the default storage size for a vCenter Server Appliance that uses a Medium deployment?

A

Default is set to 700 GB.

57
Q

What is the default storage size for a vCenter Server Appliance that uses a Large deployment?

A

Default is set to 1065 GB.

58
Q

What is the default storage size for a vCenter Server Appliance that uses an X-Large deployment?

A

Default is set to 1805 GB.

59
Q

When ESXi functions in degraded mode, where is the scratch partition placed?

A

The scratch partition is placed onto the host’s RAM and links it to /tmp/scratch.

60
Q

What size of local disk contains boot and ESX-OSD data?

A

A local disk with 32 GB minimum.

61
Q

What size of local disk contains boot, ESX-OSD data, and a VMFS datastore?

A

A local disk with 142 GB or more.

62
Q

A network that is created and managed by a separate entity outside of vSphere is referred to as?

A

An opaque network.

63
Q

What is an example of an opaque network?

A

VMware NSX.

64
Q

What are the commonly used network segments in vSphere?

A

VMkernel adapters can be configured to use the following:
- Management
- vMotion
- vSphere Replication
- vSphere HA Heartbeats
- Fault Tolerance
- IP Storage
- Virtual Machines

65
Q

What are the 3 main infrastructure services that are recommended when deploying vSphere?

A

Active Directory for SSO, DNS for hostname resolution, and NTP for time synchronization.

66
Q

Which version of vSphere added the ability to use mixed IPv6 and IPv4 environments?

A

This functionality was first added in vSphere 6.5.

67
Q

Which minimum versions of the following browsers are required to connect to vSphere?
- Microsoft Edge
- Internet Explorer
- Firefox
- Google Chrome
- Safari

A

The minimum versions are as follows:
- Microsoft Edge 38 or later
- Internet Explorer 11.0.96 or later
- Firefox 45 or later
- Google Chrome 50 or later
- Safari 5.1 or later

68
Q

What file transfer protocols are supported for vCenter Server File-Based Backup & Restore?

A

FTP, FTPS, HTTP, HTTPS, or SCP.

69
Q

What is feature or adapter is required on an ESXi host to enable Distributed Power Management (DPM)?

A

DPM requires iLO, IPMI, or a Wake-on-LAN (WoL) adapter.

70
Q

What service must be deployed in order to use vSphere Replication?

A

A vSphere Replication Management Server (VRMS) must be deployed in order to use vSphere Replication version 8.3.

71
Q

How many vSphere Replication Appliances (VRAs) can be deployed to support vSphere Replication?

A

Up to 9 VRAs can be deployed.

72
Q

What are the minimum vCPU and memory requirements for the vSphere Replication Management Service (VRMS) appliance?

A

At least 2 vCPUs and 8 GB of memory are required, but it can also be configured to use 4 vCPUS.

73
Q

What are the minimum vCPU and memory requirements for each vSphere Replication Services (VRS) appliance?

A

Each VRS appliance requires 2 vCPUs and 716 MB of memory.

74
Q

What is the minimum version of ESXi required for nodes in an ESXi cluster to support vCenter Server High Availability?

A

Version 6.5 or later.

75
Q

What is the minimum version of ESXi required for nodes in a management cluster to support vCenter High Availability?

A

At least 6.0 or later.

76
Q

What are the minimum and recommended amounts of hosts in a cluster to support vCenter Server High Availability?

A

At least 2 are required, but 3 are recommended.

77
Q

What is the minimum vCenter server deployment size required to enabled vCenter Server High Availability?

A

A small deployment or greater is required. VSHA is not supported with a Tiny sized deployment.

78
Q

What vCenter server license level is required to enable vCenter Server High Availability?

A

Standard. Foundation is not supported.

79
Q

What are the network requirements to support the vCenter HA network?

A

Network requirements:
- Latency: 10 ms or less
- HA network must be on a different subnet than the management network
- A default gateway cannot be used

80
Q

What is the difference between an automatic or manual deployment of vCenter Server High Availability?

A

Differences:
- Automatic: automatically clones the active node to the passive node
- Manual: requires the active node to be clone manually, but provides more control

81
Q

What are the storage device cache requirements for a host that will support a vSAN?

A

One SAS/SATA solid-state drive or PCIe flash device.

82
Q

What are the VM data storage requirements for a host that will support a vSAN?

A

For a hybrid group configuration: at least one SAS or NL-SAS magnetic disk
For an all-flash group configuration: at least one SAS/SATA SSD or PCIe flash device

83
Q

What are the storage controller requirements for a host that will support a vSAN?

A

One SAS/SATA host bus adapter or a RAID controller that is in RAID 0 or passthrough.

84
Q

What is the maximum round-trip time (RTT) that is required for a vSAN cluster?

A

1 ms

85
Q

A typical deployment of NSX-V includes what services?

A

The following services are typical for an NSX for vSphere deployment:
- A single NSX Manager instance
- 3 NSX Controller instances
- 1 or more NSX Edge instances

86
Q

What are the memory, vCPU, and disk space requirements for deploying an NSX Manager?

A

16 GB of memory, 4 or 8 vCPUs, and 60 GB of disk space.

87
Q

What are the memory, vCPU, and disk space requirements for deploying an NSX Controller?

A

4 GB of memory, 4 vCPUs, and 28 GB of disk space.

88
Q

What are the memory, vCPU, and disk space requirements for deploying a compact NSX Edge instance?

A

512 MB of memory, 1 vCPU, and 1 GB of disk space.

89
Q

What are the memory, vCPU, and disk space requirements for deploying a large NSX Edge instance?

A

1 GB of memory, 2 vCPUs, and 1 GB of disk space.

90
Q

What are the memory, vCPU, and disk space requirements for deploying a Quad Large NSX Edge instance?

A

2 GB of memory, 4 vCPUs, and 1 GB of disk space.

91
Q

What are the memory, vCPU, and disk space requirements for deploying an X-Large NSX Edge instance?

A

8 GB of memory, 6 vCPUs, and 2.75 GB of disk space.

92
Q

What is the required network latency in RTT for NSX networks?

A

Network latency should be no higher than 150 ms.

93
Q

What are the main components of the vRealize Suite?

A

vRealize consists of the following services:
- vRealize Operations (vROps)
- vRealize Automation
- vRealize Network Insight (vRNI)
- vRealize Log Insight (vRLI)

94
Q

What service/tool is describes the following?

“A tool that provides monitoring of and analytics of a vSphere environment”

A

vRealize Operations (vROps)

95
Q

What service/tool is describes the following?

“A cloud automation software that speeds up the delivery of infrastructure and application resources on-premises and in the cloud”

A

vRealize Automation.

96
Q

What kind of automation is provided by vRealize Automation?

A

Self-service and policy-based automation.

97
Q

What service/tool is describes the following?

“A tool that can collect details and flows from physical and virtual network infrastructure, and can help plan and monitor a software-defined network”

A

vRealize Network Insight (vRNI).

98
Q

What service/tool is describes the following?

“A tool that can collect and analyze logs from vSphere components, virtual machines, physical machines, and the entire infrastructure”

A

vRealize Log Insight (vRLI).

99
Q

Describe the function of a software-defined data center (SDDC).

A

An SDDC is a data center that leverages logical infrastructure services from underlying physical infrastructure.

100
Q

Describe the VMware vCloud Suite.

A

The vCloud Suite is an enterprise-ready private cloud software suite that includes vSphere for data center virtualization and VMware vRealize Suite for cloud management.

101
Q

What is the industry’s most advanced hybrid cloud platform?

A

VMware Cloud Foundation (VCF).

102
Q

What service provides a high scalable and secure service that allows organizations to seamlessly migrate and extend their on-premisses vSphere-based environments to the AWS cloud?

A

VMware Cloud (VMC) on AWS.

103
Q

Describe the function of the VMware vCloud Directory.

A

vCloud Directory is a cloud service-delivery platform used by some cloud providers to operate and manage cloud-based services.

VMware VCP-DCV (Exam 2V0-21.20) (7 decks)

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