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Exchange Server 2010 > Objective 6.1 Exchange 2010 > Flashcards

Objective 6.1 Exchange 2010 Flashcards

Objective 6.1: Create and configure the Database Availability Group (DAG)

1
Q

The exam might expect you to know that a DAG is a collection of up to ______ Exchange 2010 Mailbox servers, for which there is less than a 500 ms round-trip delay between any two servers, and that DAGs provide automatic mailbox database failover in the event of database, server, or network failure.

A

16

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2
Q

You should know that an Exchange 2010 organization can host multiple DAGs, but a server can be a member of ______ DAG.

A

only one

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3
Q

You can create a new DAG by accessing the New Database Availability Group dialog box in the EMC. In this instance, an IPv4 or IPv6 address is assigned automatically to the DAG through DHCP. You can also use the EMS ______ cmdlet and specify the virtual IP address.

A

New-DatabaseAvailabilityGroup

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4
Q

The following command creates a new DAG named DAG-ALPHA with the virtual IP address 10.10.0.100, using the witness server ht.adatum.com and the directory c:\witness:

A

New-DatabaseAvailabilityGroup –Name DAG-ALPHA –DatabaseAvailabilityGroupIpAddresses 10.10.0.100 –WitnessServer ‘ht.adatum.com’ –WitnessDirectory ‘c:\witness’

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5
Q

You can use the EMS ______ cmdlet with the ReplicationPort parameter to configure the replication port for a DAG.

A

Set-DatabaseAvailabilityGroup

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6
Q

You need to know what steps to take to configure a server as a witness server. You should be aware that a ______ is a file share residing on a server outside the DAG that ensures quorum availability in the cluster.

A

File share witness (FSW)

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7
Q

The exam might test that you know that the witness server should be a ______ server that does not have the Mailbox role installed.

A

Hub Transport

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8
Q

Witness servers should have the following properties: ______.

A
  1. The witness server cannot be a member of a DAG.
  2. The witness server must be a member of the same Active Directory forest as the DAG.
  3. Although a single server can function as a witness for multiple DAGs, each DAG must have a unique witness directory.
  4. If the witness server is not an Exchange 2010 server, it is necessary to add the Exchange Trusted Subsystem universal security group to the local Administrators group on the witness server.
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9
Q

The DAG creation process will search for a Hub Transport server that does not have the ______ server role installed and automatically create the default directory and share, configuring it as the witness server.

A

Mailbox

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10
Q

You can use the EMS ______ cmdlet to reconfigure the witness server and witness directory for a DAG. You can also use the EMC and edit the DAG Properties dialog box.

A

Set-DatabaseAvailabilityGroup

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11
Q

You should be aware that, regardless of its geographic location, each member of a DAG must have round-trip network latency no greater than ______ ms between itself and any other member, and that as the round-trip latency between two Mailbox servers in a DAG increases, the potential for replication not being up to date also increases.

A

500

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12
Q

In Microsoft Exchange Server 2010 RTM, the maximum replication latency is ______ ms. This increases to 500 ms for Exchange Server 2010 SP1 and SP2.

A

250

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13
Q

The exam might test that you are aware that a lagged mailbox database copy is a mailbox database copy that reflects the state of the active mailbox database copy up to ______ days previously.

A

14

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14
Q

You should know how to take advantage of lagged mailbox database copies to ______ corrupt data without having to restore from backup.

A

recover

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15
Q

You use the EMS ______ cmdlet with the ReplayLagTime and TruncationLagTime parameters to create a lagged mailbox database copy.

A

Add-MailboxDatabaseCopy

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16
Q

The following command adds a copy of a mailbox database named DB-MyMail to mailbox DAG member VAN-EX1 with a lag time of 14 days and a truncation lag time of 7 days: ______.

A

Add-MailboxDatabaseCopy –Identity DB-MyMail –MailboxServer VAN-EX1 –ReplayLagTime 14.00:00:00 –TruncationLagTime 7.00:00:00

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17
Q

You can use the EMS ______ cmdlet to modify replay lag time and log truncation lag time.

A

Set-MailboxDatabaseCopy

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18
Q

The following command reconfigures mailbox database DB-OtherMail, hosted on server VAN-EX2, with a replay lag time of 10 days and a log truncation lag time of 5 days: ______.

A

Set-MailboxDatabaseCopy –Identity DB-OtherMail\VAN-EX2 –ReplayLagTime 10.00:00:00 –TruncationLagTime 5.00:00:00

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19
Q

You need to know what steps to take to configure mailbox database copies. The exam might test that you are aware of the several conditions that must be met before you can do this. These conditions include the following: ______.

A
  1. The original mailbox database must already exist on a server within the DAG and must be in the same DAG as the copy you are creating. It needs to be mounted.
  2. Circular logging must not be enabled for the source mailbox database during the copy process.
  3. The round-trip network latency between Mailbox servers must not exceed 500 ms. (250 ms for Exchange Srv 2010 RTM)
20
Q

You should also know that a single Mailbox server ______ host more than one instance of a specific mailbox database copy and that all mailbox database copies must use the same path.

A

cannot

21
Q

You use the Add Mailbox Database Copy Wizard in the EMC to create a mailbox database copy. You can also use the EMS ______ cmdlet.

A

Add-MailboxDatabaseCopy

22
Q

The following command adds a mailbox database copy of an existing mailbox database named Wangaratta to DAG member MBX2, with an activation preference of 2: ______.

A

Add-MailboxDatabaseCopy –Identity ‘Wangaratta’ –MailboxServer ‘MBX2’ –ActivationPreference ‘2’

23
Q

You can use the EMC to remove a mailbox database copy. You can select the database copy in the EMC, and then in the Actions pane, click Remove. You can also use the EMS ______ cmdlet. You cannot, however, use the EMC to remove the last copy of a mailbox database.

A

Remove-MailboxDatabaseCopy

24
Q

You cannot create a database copy of a public folder database. Instead, you use public folder ______ to provide redundancy for public folders.

A

replication

25
Q

The exam might test that you know that the activation preference number for a mailbox database copy indicates the ______ in which passive mailbox database copies will activate in the event that a failure occurs with the active mailbox database copy.

A

order

26
Q

You can also use the EMS Set-MailboxDatabaseCopy cmdlet to configure failover priority. You use this cmdlet with the ______ parameter.

A

ActivationPreference

27
Q

The exam might test that you know that you can add a maximum of 16 Mailbox servers to a DAG, and that adding a server automatically installs the Windows ______ feature.

A

Failover Clustering

28
Q

You should be aware that you can add a server to a DAG only if the server’s IPv4 address information includes a ______ address and the server is running Windows Server 2008 SP2, or Windows Server 2008 R2, Enterprise or Datacenter edition.

A

default gateway

29
Q

You can add or remove a Mailbox server to or from a DAG by editing the Manage Database Availability Group Membership dialog box in the EMC. However, you can remove a server from a DAG only if there are no mailbox database copies hosted on the server. You can also use the EMS Add-DatabaseAvailabilityGroupsServer and ______ cmdlets.

A

Remove-DatabaseAvailabilityGroupServer

30
Q

The following command adds the server VAN-EX1 to DAG DAG-01: ______.

A

Add-DatabaseAvailabilityGroupServer –Identity DAG-01 –MailboxServer VAN-EX1

31
Q

The exam might test that you are aware that you can make a passive database copy active by performing ______, and that seeding is the process by which a copy of a mailbox database is added to a Mailbox server.

A

switchover

32
Q

When you activate a passive copy, you have the option of using the override mount dial list. Using the override mount dial settings, you can specify the conditions in which the new activation occurs. You can select from the following settings: ______.

A
  1. None
  2. Lossless
  3. Good Availability
  4. Best Effort
  5. Best Availability
33
Q

You can use the ______ cmdlet to set the SeedingPostponed parameter when you are creating a new mailbox database copy. If this switch is set, the cmdlet adds the copy but does not attempt the initial seeding operation. It also places replication in a suspended state.

A

Add-MailboxDatabaseCopy

34
Q

You can activate a mailbox database copy by using the EMS ______ cmdlet.

A

Move-ActiveMailboxDatabase

35
Q

If you use the Move-ActiveMailboxDatabase cmdlet and do not specify a setting for the MountDialOverride parameter,
the Lossless setting is applied. For example, the following command activates database GlasgowMBX on server VAN-EX1: ______.

A

Move-ActiveMailboxDatabase GlasgowMBX –ActivateOnServer VAN-EX1

36
Q

Automatic seeding usually occurs when you create a new mailbox database copy. However, there can be reasons why you want to postpone automatic seeding and seed from a passive database copy instead. You can update or seed a mailbox database copy from a source other than the active database by configuring the Update Database Copy dialog box in the EMC. You can also use the EMS ______ cmdlet.

A

Update-MailboxDatabaseCopy

37
Q

The following command seeds a copy of a database named Sales hosted on server Glasgow-2 from a passive copy of the database hosted on server Glasgow-1: ______.

A

Update-MailboxDatabaseCopy –Identity Sales\Glasgow-2 –SourceServer Glasgow-1

38
Q

The exam might test that you are aware that Exchange 2010 keeps a mailbox database copy up to date by means of continuous ______.

A

replication

39
Q

You cannot suspend continuous replication on an active mailbox database copy. If you want to perform maintenance on the server hosting the active mailbox database copy, you need to activate a ______ copy hosted on another server, and then suspend continuous replication on the now-passive mailbox database copy on the original server.

A

passive

40
Q

You can select a passive database copy in the EMS and either suspend or resume continuous replication, as appropriate. You can also use the EMS ______ cmdlet.

A

Suspend-MailboxDatabaseCopy

41
Q

The following command suspends continuous replication on the passive mailbox database named DB-01 on server VAN-EX1: ______.

A

Suspend-MailboxDatabaseCopy –Identity DB-01\VAN-EX1

42
Q

The following command resumes continuous replication on the suspended passive mailbox database named DB-01, hosted on server VAN-EX1: ______.

A

Resume-MailboxDatabaseCopy –Identity DB-ALPHA\VAN-MBX

43
Q

What EMS command do you issue to create a new DAG named DAG-01, with the virtual IP address 10.10.1.50, using the witness server hub01.adatum.com and the directory c:\witness?

A

You issue the New-DatabaseAvailabilityGroup –Name DAG-01 –DatabaseAvailabilityGroupIpAddresses 10.10.1.50 –WitnessServer ‘hub01.adatum.com’ –WitnessDirectory ‘c:\witness’ command.

44
Q

You need to change the replication port used by DAG-01. What two actions must you carry out?

A

You use the Set-DatabaseAvailabilityGroup cmdlet with the ReplicationPort parameter to specify the new port number. You then configure the Windows Firewall exceptions on the witness server and open this port.

45
Q

What EMS cmdlet do you use to reconfigure the replay lag time and log truncation lag time for a lagged mailbox database?

A

You use the Set-MailboxDatabaseCopy cmdlet.

46
Q

You use the Move-ActiveMailboxDatabase cmdlet to activate mailbox database copy DB-01. You do not specify the MountDialOverride parameter. What mount dial setting is applied by default?

A

The Lossless setting.

47
Q

What EMS cmdlet and parameter do you use to configure failover priority for a mailbox database copy?

A

You use the Set-MailboxDatabaseCopy EMS cmdlet with the ActivationPreference parameter.

Exchange Server 2010 (32 decks)

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