Objective 6.1 Exchange 2010

Question 1

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.

Answer 1

16

Question 2

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

Answer 2

only one

Question 3

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.

Answer 3

New-DatabaseAvailabilityGroup

Question 4

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:

Answer 4

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

Question 5

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

Answer 5

Set-DatabaseAvailabilityGroup

Question 6

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.

Answer 6

File share witness (FSW)

Question 7

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

Answer 7

Hub Transport

Question 8

Witness servers should have the following properties: ______.

Answer 8

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.

Question 9

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.

Answer 9

Mailbox

Question 10

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.

Answer 10

Set-DatabaseAvailabilityGroup

Question 11

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.

Answer 11

500

Question 12

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

Answer 12

250

Question 13

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.

Answer 13

14

Question 14

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

Answer 14

recover

Question 15

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

Answer 15

Add-MailboxDatabaseCopy

Question 16

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: ______.

Answer 16

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

Question 17

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

Answer 17

Set-MailboxDatabaseCopy

Question 18

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: ______.

Answer 18

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

Question 19

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: ______.

Answer 19

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)

Question 20

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.

Answer 20

cannot

Question 21

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

Answer 21

Add-MailboxDatabaseCopy

Question 22

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: ______.

Answer 22

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

Question 23

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.

Answer 23

Remove-MailboxDatabaseCopy

Question 24

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

Answer 24

replication

Question 25

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.

Answer 25

order

Question 26

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

Answer 26

ActivationPreference

Question 27

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.

Answer 27

Failover Clustering

Question 28

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.

Answer 28

default gateway

Question 29

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.

Answer 29

**Remove-DatabaseAvailabilityGroupServer**

Question 30

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

Answer 30

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

Question 31

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.

Answer 31

switchover

Question 32

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: \_\_\_\_\_\_.

Answer 32

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

Question 33

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.

Answer 33

**Add-MailboxDatabaseCopy**

Question 34

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

Answer 34

**Move-ActiveMailboxDatabase**

Question 35

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: \_\_\_\_\_\_.

Answer 35

**Move-ActiveMailboxDatabase GlasgowMBX –ActivateOnServer VAN-EX1**

Question 36

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.

Answer 36

**Update-MailboxDatabaseCopy**

Question 37

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: \_\_\_\_\_\_.

Answer 37

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

Question 38

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

Answer 38

replication

Question 39

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.

Answer 39

passive

Question 40

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.

Answer 40

**Suspend-MailboxDatabaseCopy**

Question 41

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

Answer 41

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

Question 42

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

Answer 42

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

Question 43

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?

Answer 43

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

Question 44

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

Answer 44

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.

Question 45

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

Answer 45

You use the **Set-MailboxDatabaseCopy** cmdlet.

Question 46

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?

Answer 46

The Lossless setting.

Question 47

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

Answer 47

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