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VMware VCP 8 > VCP 8 memory items > Flashcards

VCP 8 memory items Flashcards

memorization objectives

1
Q

A feature that minimizes VM downtime by proactively detecting hardware failures and placing the host in Quarantine Mode or Maintenance Mode

A

Proactive HA

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2
Q

vCenter Server Foundation Edition:
- Number of ESXi hosts
- vCenter license
- Basic features (Lifecycle Mgr, Converter)
- Common features (vMotion, HA, Replication)
- Advanced features (VCHA, VC Backup/Restore)

A
  • 4
  • Separate from vSphere license
  • Basic included
  • Common included
  • Advanced NOT included
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3
Q

Number of CPUs required for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large

A
  • 2
  • 4
  • 8
  • 16
  • 24
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4
Q

Memory required for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large

A
  • 12
  • 19
  • 28
  • 37
  • 56
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5
Q

Hosts supported for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large

A
  • 10
  • 100
  • 400
  • 1000
  • 2000
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6
Q

VMs supported for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large

A
  • 100
  • 1000
  • 4000
  • 10,000
  • 35,000
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7
Q

Supported by VMFS 5 but NOT VMFS 6

A

Access for ESXi hosts Version 6.0 and earlier,
MBR storage device partitioning

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8
Q

Supported by VMFS 6 but NOT VMFS 5

A

4Kn storage devices
Automatic space reclamation

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9
Q

Default snapshot files for:
- VMFS 5
- VMFS 6

A
  • VMFSsparse <2TB, SEsparse >2TB
  • SEsparse
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10
Q

vSphere features supported by NFS 3 but NOT NFS 4.

A
  • Storage DRS
  • Storage I/O Control
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11
Q

Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 1

A

200

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12
Q

Required Capacity for RAID configuration for 100GB of data:
RAID 5 or 6
PFTT 1

A

133

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13
Q

Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 2

A

300

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14
Q

Required Capacity for RAID configuration for 100GB of data:
RAID 5 or 6
PFTT 2

A

150

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15
Q

Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 3

A

400

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16
Q

Storage Policies parameters

ten

A

PFTT
SFTT
data locality
failure tolerance method
number of disk strips per object
flash read cache reservation
force provisioning
object space reservation
disable obj check sum
IOPS limit for object

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17
Q

Disadvantages to IP hash NIC teaming

A

highest resource consumption
requires change on physical adapter
complex diagnostics path

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18
Q

6 Features common to VSS and vDS

A
  • Layer 2 switch
  • VLAN segmentation (802.1q tagging)
  • IPv6 support
  • NIC teaming
  • Outbound traffic shaping
  • Cisco Discovery protocol (CDP)
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19
Q

Features only on vDS

10

A

Inbound traffic shaping
VM network port block
Private VLANs
Load-based NIC teaming
Data center level mgmt
network vMotion
Per-port policy settings
Port state monitoring
NetFlow
Port Mirroring

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20
Q

3 vDS health checks available

A
  • VLAN trunk ranges on vDS match trunk port config on the connected switch ports
  • MTU settings on vDS physical network, and physical switch ports match
  • virtual switch teaming policy matches the physical switch port-channel settings
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21
Q

vDS health check:
Matching the switch teaming policy and physical switch port-channel setting requires?

A

at least 2 active physical nics
+
2 hosts

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22
Q

Resource Pool use cases

5

A

Flexible hierarchical org
Resource isolation
Access Control and delegation
Separate resource from HW
Managing multi-tier applications

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23
Q

VM shares for CPU and memory for
- High
- Normal
- Low
settings

A

per vCPU / per MB
2000 / 20
1000 / 10
500 / 5

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24
Q

VM Monitoring Setting for
- High
- Medium
- Low

A

Failure Interval seconds / Reset Period
30 / 1 hour
60 / 24 hour
120 / 7 days

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25
Q

VM Options : General

A

VM name
config file location
working directory

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26
Q

VM Options : Encryption

A

enable/disable VM encrypt
vMotion encrypt

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27
Q

VM Options : power mgmt

A

Guest OS standby triggers:
- suspend VM
- standby Guest

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28
Q

VM Options : VMware tools

A

response to Guest OS power options

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29
Q

VM Options : boot

3

A

firmware
bootdelay
failed boot recovery parameter

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30
Q

VM Options : Advanced

4

A

logging
debug
swap file location
config parameters

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31
Q

Core Identity Services in vSphere

3

A

VMware directory service (vmdir)
VMware Certificate Authority (VMCA)
VMware Authentication Framework daemon (VMAFD)

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32
Q

Certificates provisioned by VMCA by default.

A

ESXi certificate
Machine SSL certificate
Solution user certificate

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33
Q

Certificates provisioned during install by default

A

vCenter SSO SSL signing certificate
VMware Directory Service (vmdir) SSL certificate

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34
Q

System Roles in vCenter Server 7.0 and higher

A

read-only
Administrator
No Access

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35
Q

Required Permissions to:
Create a VM

A

folder/datacenter
- VM.inventory.create new
- VM.configuration.addnewdisk
- VM.configuration.addexistingdisk
- VM.configuration.rawdevice
host/cluster
- resource.assign VM to pool
Datastore
- datastore.allocate space
Network
- network.assign network

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36
Q

Required Permissions to:
deploy a VM from template

A

folder/datacenter
- VM.inventory.create from existing
- VM.configuration.Add new disk
template/template folder
- VM.provisioning.deploy template
destination host/cluster/pool
- resource.assign VM to resource pool
destination datastore or DS folder
- datastore.allocate space
network
- network.assign network

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37
Q

Required Permissions to:
take VM snapshot

A

VM or folder
- VM.snapshot management.create snapshot

destination datastore or DS folder
datastore.allocate space

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38
Q

Required Permissions to:
move VM into resource pool

A

VM or VM folder
- resource.assign VM to resource pool
- VM.inventory.move

destination resource pool
- resource.assign VM to resource pool

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39
Q

Required Permissions to:
Install a Guest OS on VM

A

VM or VM folder
- VM.interaction.*

datastore containing ISO
- datastore.browse datastore

datastore on which you upload ISO
- datastore.browse datastore
- datastore.low level file operations

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40
Q

Required Permissions to:
Cold migrate VM

A

VM or folder
- resource.migrate powered off VM
- resource.assign VM to resource pool

host/cluster destination
- resource.assign VM to resource pool

datastore destination
- datastore.allocate space

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41
Q

Required Permissions to:
migrate VM with svMotion

A

VM or folder
- resource.migrate powered on VM

Datastore destination
- datastore.allocate space

42
Q

Required Permissions to:
move host into cluster

A

Host
- host.inventory.add host to cluster

Cluster destination
- host.inventory.add host to cluster
- host.inventory.modify cluster

43
Q

ESXi Security Profile Services:
Services that are RUN by default

A
  • DCUI
  • Load-Based Teaming Daemon
  • CIM Server
  • VMware vCenter Agent (vpxa)
44
Q

Network Security Policy options

A
  • Promiscuous Mode
  • MAC address changes
    (frames inbound to VM)
  • Forged Transmits
    (frames outbound from VM)
45
Q

ESXi root password requirement

A

8-40 characters and other

46
Q

Auto Deploy components

12

A

Auto Deploy server
Rules engine
Host Profile
Auto Deploy PowerCLI
Image Builder PowerCLI
VC Server
DHCP server
PXE server
TFTP server
Software Depot
Image Profile
vSphere Installation Bundle (VIB)

47
Q

VECS Stores

A

MACHINE.SSL.CERT
TRUSTED_ROOTS
BACKUP_STORE

48
Q

SSO domain groups

8

A

Users
DCAdmins
Solution users
CAadmins
SystemConfiguration.BashShellAdministrators
SystemConfiguration.Administrators
License***.Administrators
Administrators

49
Q

6 SSO Policy Parameters:
password policy

A

maximum lifetime
restrict reuse
maximum length
minimum length
char.requirements
identical adjacent characters

50
Q

SSO Policy Parameters:
lockout policy

3

A

max number of failed login attempts
time interval between failures
unlock time

51
Q

SSO Policy Parameters:
token policy

5

A

clock tolerance
max token renewal count
max token delegation count
max bearer token lifetime
maximum holder-of-key token lifetime

52
Q

6 Kernel options

A

autopartition
skipPartitioningSsds
autoPartitionOnlyOnceandSkipSsd
allowCoreDumpOnUSB
dumpSize
autoCreateDumpFile

53
Q

VLAN ID for:
External Switch Tagging (EST)

A

0

54
Q

VLAN ID for:
Virtual Switch Tagging (VST)

A

1-4094

55
Q

VLAN ID for:
Virtual Guest Tagging (VGT)

A

4095

56
Q

vDS load-balancing modes
(Enhanced LACP support)

A

Destination/Source/Destination+Source
- IP address
- IP address and TCP/UDP port
- IP address and VLAN
- IP address, TCP/UDP port, and VLAN
- MAC address
- TCP/UDP port

Source port ID
VLAN

57
Q

Performance Analysis:
- CPU usage consistently high
- VM CPU usage >90%
- CPU Ready > 20%

A

insufficient host resources
- CPU, storage, network

58
Q

Performance Analysis:
- Host memory >94%
- VM swapping is occurring

A

insufficient host memory

59
Q

Performance Analysis:
- VM memory usage is high
- Guest OS memory usage is high
- Paging occurring

A

Guest OS doesn’t have enough memory available

60
Q

Performance Analysis:
- VM CPU ready is low
- Guest OS CPU utilization is high

A

Guest not provided enough CPU

61
Q

Performance Analysis:
Datastore space utilization is high

A
  • snapshot files
  • overprovisioning VMs
  • small datastore
62
Q

Performance Analysis:
Dev latency >15ms

A

problems on storage array

63
Q

Performance Analysis:
Disk :
- VMkernel latency is >4ms
- Queue latency > 0

A

maximum throughput of a storage device is not sufficient to meet the demand

64
Q

Performance Analysis:
Network:
- dropped packets > 0
- latency is high
- transfer rate is low

A

max throughput of network is insufficient

65
Q

Performance Analysis:
charts are empty

A
  • data may have been moved to new location (vCenter, folder)
  • non-real time data rolled up
66
Q

ESXTOP:
CPU metrics

6

A

%used
%RUN
%RDY
%WAIT
%CSTP
%SWPWT

67
Q

ESXTOP:
6 memory metrics

A

MEMSZ
GRANT
CNSM
SWCUR - amount of mem swapped
SWR/s - rate of swap
OVHD - VM overhead

68
Q

ESXTOP:
storage metrics

4

A

READs/s
WRITEs/s
MBREAD/s
LAT/rd

69
Q

ESXTOP:
network metrics

4

A

PKRRX/s - packets received per sec
MbTX/s - Megabits transmit per sec
%DRPTX
%DRPRX

70
Q

ESXi Log Files

9,1

A

/var/log/
vmkernel
vmkwarning
vmksummary
hostd
vpxa
shell
auth
syslog
loadESX - related to restart of ESXi via Quick boot

vmware.log (VM home folder)

71
Q

ESXi Log Files related to vSphere Trust Authority framework

5

A

/var/run/log
kmxa - client service on ESXi trusted host
kmxd - VTA key provider service
attestd - VTA attestation service
esxtokend - VTA ESXi token service
esxapiadapter - VTA API forwarder

72
Q

VC Server logging levels

A

none
error
warning
info
verbose
trivia

73
Q

vSAN cluster:
- Network used by HA
- Heartbeat Datastores
- Host Isolation criteria

A
  • vSAN Network
  • non-vSAN datastore
  • isolation addr not pingable ; vSAN storage network inaccessible
74
Q

vSAN not enabled on cluster:
- Network used by HA
- Heartbeat Datastores
- Host Isolation criteria

A
  • management network
  • Any datastore that is mounted to multiple hosts
  • Isolation addr not pingable and mgmt network inaccessible
75
Q

Datastore Browser option:
Inflate

A

convert a selected thin virtual disk to thick

76
Q

Storage Filter Options

4

A

vmfsFilter
rdmFilter
sameHostsandTransportsFilter
hostRescanFilter

77
Q

Shared Storage Capability present on SCSI over Fabric but NOT present on NVMe over Fabric

6

A

RDM
Coredump
SCSI-2 reservation
Shared VMDK
vVols
Hardware Acceleration with VAAI plug-ins

78
Q

Default MPP for:
- SCSI over Fabric
- NVMe over Fabric

A

SCSI = NMP
NVMe = HPP

79
Q

SCSI over Fabric limits

A

LUNs=1024
paths=4096

80
Q

NVMe over Fabric limits

A

namespaces = 32
paths = 128
max 4 paths per namespace in a host

81
Q

ESXCLI commands:
create an esxi host local user account

A

esxcli system account add

82
Q

ESXCLI commands:
configure an ESXi host local user account

A

esxcli system account set

83
Q

ESXCLI commands:
Lists ESXi host local user accounts

A

esxcli system account list

84
Q

ESXCLI commands:
Deletes an ESXi host local user account

A

esxcli system account remove

85
Q

ESXCLI commands:
lists the host’s DNS servers

A

esxcli network ip dns server list

86
Q

ESXCLI commands:
Lists the ESXi host’s physical network adapters

A

esxcli network nic list

87
Q

ESXCLI commands:
Displays the shell interactive timeout for the host

A

esxcli system settings advanced get /UserVars/ESXiShellTimeout

88
Q

Normal Lockdown Mode restrictions compared with Normal mode

A

vSphere Web Services API:
only vCenter (vpxuser) and Exception users (vCloud Director)

CIM providers:
only vCenter (vpxuser) and Exception users (vCloud Director)

DCUI:
DCUI.access users with admin rights on host

ESXi Shell (if enabled):
DCUI.access users with admin rights on host

SSH (if enabled):
DCUI.access users with admin rights on host

89
Q

Strict Lockdown restriction compared to Normal Lockdown

A

DCUI is stopped (unavailable)

90
Q

A software release that makes small changes to the current version.

A

Update

91
Q

A software release that introduces major changes to the software.

A

Upgrade

92
Q

A small software update that provides bug fixes or enhancements.

A

Patch

93
Q

The smallest installable software package (metadata and binary payload) for ESXi

A

VIB

94
Q

An XML file that describes the contents of the VIB, including dependency information, textual descriptions, system requirements, and information about bulletins

A

VIB metadata

95
Q

A VIB that is not included in a component

A

Standalone VIB

96
Q

The hosted version of updates provided by VMware, OEMs, and third-party software vendors, containing the metadata and the actual VIBs

A

Depot

97
Q

An archive (ZIP file) that contains VIBs and metadata that you use for offline patching and updates.

A

Offline bundle/depot

98
Q

A VMware partner, such as Dell, HPE, or VMware Cloud on AWS

A

OEM

99
Q

A provider of I/O filters, device drivers, CIM modules, and so on

A

third-party software provider

100
Q

Collection Interval Frequency
- 1 day
- 1 week
- 1 month
- 1 year

A
  • 5 min
  • 30 min
  • 2 hours
  • 1 day

VMware VCP 8 (1 decks)

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