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70-412 Chapter 1

Which of the following technologies transparently distributes traffic across multiple servers by using virtual IP addresses and a shared name?
Network Load Balancing
Which of the following statements about Network Load Balancing is incorrect?
Network adapters in the NLB cluster can use both multicast and unicast simultaneously.
From where would you add Network Load Balancing to a Windows Server 2012 computer?
Server Manager
To configure an NLB cluster after installing NLB on the Windows Server 2012 computer, you must configure three types of parameters. Which of the following is not one of the three you must configure?
Firewall rules
Which PowerShell cmdlet here will correctly install NLB and the NLB management console?
Add-WindowsFeature NLB,RSAT-NLB
Which PowerShell cmdlet is used to add a new dedicated IP to an NLB cluster node?
Add-NlbClusterNodeDip
Which PowerShell cmdlet is used to delete an NLB cluster?
Remove-NlbCluster
While logged into a Windows Server 2012 computer that is part of an NLB cluster, which of the following PowerShell one-liners is the correct way to change or set the primary IP address of the cluster?
Get-NlbCluster | Set-NlbCluster -ClusterPrimaryIP IPaddress
When you configure port rules for NLB clusters, you will need to configure all of the options listed here, except for one. Which option in this list will you not configure for a port rule?
The node IP address the rule should apply to
In which NLB cluster operation mode is the MAC address of every node’s network adapter replaced with a single shared MAC address?
Unicast
Which of the following is a constraint of using NLB clusters in unicast mode that you will need to design for?
You will need separate cluster and management network adapters if you manage the nodes from a different TCP/IP subnet than the cluster network.
Which cluster operation mode is designed to prevent the network switch from flooding with traffic?
IGMP Multicast
Which NLB control command would be the correct one to use to gracefully prepare a node for a planned maintenance activity?
Drainstop
Which NLB control command would most likely be the best option to use to immediately prepare a node for emergency maintenance?
Stop
Many components can be configured redundantly within a server system. Of the components listed, which one is typically not available in a redundant arrangement in a single server system?
Mainboards (motherboards)
Why should you clearly express availability requirements?
To ensure there are no misunderstandings
What is the function of port rules in an NLB cluster?
They define which ports are balanced among the hosts of the cluster
When configuring a port rule for an NLB cluster with the “multiple host” filtering mode selected, which of the following statements is most correct pertaining to the affinity configuration?
Selecting the “Single” option will force a single cluster node to handle all client requests from a specific client
Which of the following availability guidelines allows for a maximum downtime per month of 25.9 seconds?
Five nines (99.999%)
Which of the following availability guidelines allows for a maximum downtime per year of 52.6 minutes?
Four nines (99.99%)
Which of the following availability guidelines allows for a maximum downtime per year of 31.5 seconds?
Six nines (99.9999%)
Which of the following availability guidelines allows for a maximum downtime per month of 43.8 minutes?
Three nines (99.9%)

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