8 12 2014

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Vendor: Microsoft
Exam Code: 70-410
Exam Name: Installing and Configuring Windows Server 2012 R2 Exam

QUESTION 106
Your network contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper-V server role installed. Server1 hosts four virtual machines named VM1, VM2, VM3, and VM4. Server1 is configured as shown in the following table.

VM3 is used to test applications.
You need to prevent VM3 from synchronizing its clock to Server1.
What should you configure?

A.    NUMA topology
B.    Resource control
C.    resource metering
D.    virtual Machine Chimney
E.    the VLAN ID
F.    Processor Compatibility
G.    the startup order
H.    Automatic Start Action
I.    Integration Services
J.    Port mirroring
K.    Single-root I/O virtualization

Answer: I
Explanation:
By default when you install the Integration Services/Components you get time synchronization with the host OS, here is how to disable ongoing time synchronization. When you install the integration services/components in Hyper-V virtual machine you get a set of services installed and enabled by default.
Operating system shutdown
Time synchronization
Data exchange heartbeat
Backup via VSS
If you do not want the virtual machine to continuously synch its time to the Hyper-V host using the integration service, you can disable the integration service from the Hyper-V manager.
Open up the settings for the VM
Under Management, highlight the Integration Services option and you will get a list of the Integration
Services installed and enabled Uncheck the Time Synchronization service and press Apply. The virtual machine will now not sync its time with the Hyper-V host on a continuous basis….BUT it will always sync once at power on. This is required to boot strap the timer inside the virtual machine

http://www.virtualizationadmin.com/kbase/VirtualizationTips/ServerVirtualization/MicrosoftHyper- VTips/PerformanceandScalability/DisablingTimeSyncinaVM.html http://blogs.technet.com/b/virtualization/archive/2008/08/29/backing-up-hyper-v- virtualmachines.aspx

QUESTION 107
Your network contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper-V server role installed. Server1 hosts four virtual machines named VM1, VM2, VM3, and VM4. Server1 is configured as shown in the following table.

You need to configure VM4 to track the CPU, memory, and network usage.
What should you configure?

A.    NUMA topology
B.    Resource control
C.    resource metering
D.    Virtual Machine Chimney
E.    the VLAN ID
F.    Processor Compatibility
G.    the startup order
H.    Automatic Start Action
I.    Integration Services
J.    Port mirroring
K.    Single-root I/O virtualization

Answer: C
Explanation:
http://blogs.technet.com/b/meamcs/archive/2012/05/28/hyper-v-resource-metering-inwindows- server-2012-server-8-beta.aspx
Metrics
collected for each virtual machine using resource metering:
Average CPU usage, measured in megahertz over a period of time.
Average physical memory usage, measured in megabytes.
Minimum memory usage (lowest amount of physical memory).
Maximum memory usage (highest amount of physical memory).
Maximum amount of disk space allocated to a virtual machine.
Total incoming network traffic, measured in megabytes, for a virtual network adapter.
Total outgoing network traffic, measured in megabytes, for a virtual network adapter

QUESTION 108
Your network contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper-V server role installed. Server1 hosts four virtual machines named VM1, VM2, VM3, and VM4. Server1 is configured as shown in the following table.

You need to ensure that VM1 can use more CPU time than the other virtual machines when the CPUs on Server1 are under a heavy load.
What should you configure?

A.    NUMA topology
B.    Resource control
C.    resource metering
D.    Virtual Machine Chimney
E.    The VLAN ID
F.    Processor Compatibility
G.    The startup order
H.    Automatic Start Action
I.    Integration Services
J.    Port mirroring
K.    Single-root I/O virtualization

Answer: B
Explanation:
B. Resource controls provide you with several ways to control the way that Hyper-V allocates resources to virtual machine
When you create a virtual machine, you configure the memory and processor to provide the appropriate computing resources for the workload you plan to run on the virtual machine. This workload consists of the guest operating system and all applications and services that will run at the same time on the virtual machine.
Resource controls provide you with several ways to control the way that Hyper-V allocates resources to virtual machines.
Virtual machine reserve. Of the processor resources available to a virtual machine, specifies the percentage that is reserved for the virtual machine. This setting guarantees that the percentage you specify will be available to the virtual machine. This setting can also affect how many virtual machines you can run at one time.
Virtual machine limit. Of the processor resources available to a virtual machine, specifies the maximum percentage that can be used by the virtual machine. This setting applies regardless of whether other virtual machines are running.
Relative weight. Specifies how Hyper-V allocates resources to this virtual machine when more than one virtual machine is running and the virtual machines compete for resources.
http://technet.microsoft.com/en-us/library/cc742470.aspx

QUESTION 109
Your network contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper-V server role installed. Server1 hosts four virtual machines named VM1, VM2, VM3, and VM4. Server1 is configured as shown in the following table.

VM2 sends and receives large amounts of data over the network.
You need to ensure that the network traffic of VM2 bypasses the virtual switches of the parent partition.
What should you configure?

A.    NUMA topology
B.    Resource control
C.    Resource metering
D.    Virtual Machine Chimney
E.    The VLAN ID
F.    Processor Compatibility
G.    The startup order
H.    Automatic Start Action
I.    Integration Services
J.    Port mirroring
K.    Single-root I/O virtualization

Answer: K
Explanation:
K. SR-IOV maximizes network throughput while minimizing network latency as well as the CPU overhead required for processing network traffic.
http://technet.microsoft.com/en-us/library/hh831410.aspx

QUESTION 110
Your network contains an Active Directory domain named contoso.com. The network contains a member server named Server1 that runs Windows Server 2012 R2. Server1 has the DNS Server server role installed and has a primary zone for contoso.com. The Active Directory domain contains 500 client computers. There are an additional 20 computers in a workgroup. You discover that every client computer on the network can add its record to the contoso.com zone.
You need to ensure that only the client computers in the Active Directory domain can register records in the contoso.com zone.
What should you do first?

A.    Move the contoso.com zone to a domain controller that is configured as a DNS server
B.    Configure the Dynamic updates settings of the contoso.com zone
C.    Sign the contoso.com zone by using DNSSEC
D.    Configure the Security settings of the contoso.com zone.

Answer: A
Explanation:
If you install DNS server on a non-DC, then you are not able to create AD-integrated zones. DNS update security is available only for zones that are integrated into AD DS. When you directory- integrate a zone, access control list (ACL) editing features are available in DNS Managerso that you can add or remove users or groups from the ACL for a specified zone or resource record. http://technet.microsoft.com/en-us/library/cc771255.aspx
http://social.technet.microsoft.com/Forums/en-US/winserverNIS/thread/9b041bbc-07654eed- bd1cd65027f05e9f/
http://blogs.msmvps.com/acefekay/2012/11/19/ad-dynamic-dns-updates-registration-rulesof- engagement/
1. Active Directory’s DNS Domain Name is NOT a single label name ("DOMAIN" vs the minimal requirement of"domain.com." "domain.local," etc).
2. The Primary DNS Suffix MUST match the zone name that is allowing updates. Otherwise the client doesn’tknow what zone name to register in.
You can also have a different Conneciton Specific Suffix in addition to thePrimary DNS Suffix to register into that zone as well.
3. AD/DNS zone MUST be configured to allow dynamic updates, whether Secure or Secure and Non-Secure.
For client machines, if a client is not joined to the domain, and the zone is set to Secure, it will not registereither.
4. You must ONLY use the DNS servers that host a copy of the AD zone name or have a reference to get tothem. Do not use your ISP’s, an external DNS adddress, your router as a DNS address, or any other DNS thatdoes not have a copy of the AD zone. Internet resolution for your machines will be accomplished by the Rootservers (Root Hints), however it’s recommended to configure a forwarder for efficient Internet resolution. .
5. The domain controller is multihomed (which means it has more than one unteamed, active NIC, more thanone IP address, and/or RRAS is installed on the DC).
6. The DNS addresses configured in the client’s IP properties must ONLY reference the DNS server(s) hostingthe AD zone you want to update in. This means that you must NOT use an external DNS in any machine’s IP property in an AD environment.
You can’t mix them either. That’s because of the way the DNS Client side resolver service works. Even if youmix up internal DNS and ISP’s DNS addresses, the resolver algorithm can still have trouble asking the correctDNS server. It will ask the first one first. If it doesn’t get a response, it removes the first one from the eligibleresolvers list and goes to the next in the list. It will not go back to the first one unless you restart the machine,restart the DNS Client service, or set a registry entry to cut the query TTL to 0. The rule is to ONLY use yourinternal DNS server(s) and configure a forwarder to your ISP’s DNS for efficient Internet resolution.
This is the reg entry to cut the query to 0 TTL:
The DNS Client service does not revert to using the first server …The Windows 2000 Domain Name System (DNS) Client service (Dnscache) follows a certain algorithm when it decides the order in which to use the DNSservers …
http://support.microsoft.com/kb/286834
For more info, please read the following on the client side resolver service:
DNS, WINS NetBIOS & the Client Side Resolver, Browser Service, Disabling NetBIOS, Direct Hosted SMB(DirectSMB), If One DC is Down Does a Client logon to Another DC, and DNS Forwarders Algorithm if youhave multiple forwarders.
http://msmvps.com/blogs/acefekay/archive/2009/11/29/dns-wins-netbios-amp-the-clientside- resolver-browserservice-disabling-netbios-direct-hosted-smb-directsmb-if-one-dc-isdown-does-a- client-logon-to-another-dcand-dns-forwarders-algorithm.aspx
7. For DHCP clients, DHCP Option 006 for the clients are set to the same DNS server.
8. If using DHCP, DHCP server must only be referencing the same exact DNSserver(s) in it’s own IP properties in order for it to ‘force’ (if you setthat setting) registration into DNS. Otherwise, how would it know which DNSto send the reg data to?
9. If the AD DNS Domain name is a single label name, such as "EXAMPLE", and not the proper format of"example.com" and/or any child of that format, such as "child1.example.com",
then we have a real big problem.
DNS will not allow registration into a single label domain name.
This is for two reasons:
1. It’s not the proper hierachal format. DNS is hierarchal, but a single label name has no hierarchy.
It’s just asingle name.
2. Registration attempts causes major Internet queriesto the Root servers. Why? Because it thinks thesingle label name, such as "EXAMPLE", is a TLD(Top Level Domain), such as "com", "net", etc. Itwill now try to find what Root name server out therehandles that TLD. In the end it comes back to itselfand then attempts to register. Unfortunately it doe NOTask itself first for the mere reason it thinks it’s a TLD.
(Quoted from Alan Woods, Microsoft, 2004):
"Due to this excessive Root query traffic, which ISC found from a study that discovered Microsoft DNS serversare causing excessive traffic because of single label names, Microsoft, being an internet friendly neighbor andwanting to stop this problem for their neighbors, stopped the ability to register into DNS with Windows 2000SP4, XP SP1, (especially XP,which cause lookup problems too), and Windows 2003. After all, DNS ishierarchal, so therefore why even allow single label DNS domain names?"
The above also *especially* Applies to Windows Vista, &, 2008, 2008 R2, and newer.
10. ‘Register this connection’s address" on the client is not enabled under the NIC’s IP properties, DNS tab.
11. Maybe there’s a GPO set to force Secure updates and the machine isn’t a joined member of the domain.
12. ON 2000, 2003 and XP, the "DHCP client" Service not running. In 2008/Vista and newer, it’s the DNSClient Service. This is a requirement for DNS registration and DNS resolution even if the client is not actuallyusing DHCP.
13. You can also configure DHCP to force register clients for you, as well as keep the DNS zone clean of old orduplicate entries. See the link I posted in my previous post.

QUESTION 111
Your company has a remote office that contains 1,600 client computers on a single subnet.
You need to select a subnet mask for the network that will support all of the client computers.
The solution must minimize the number of unused addresses.
Which subnet mask should you select?

A.    255.255.248.0
B.    255.255.252.0
C.    255.255.254.0
D.    255.255.240.0

Answer: A
Explanation:
255.255.252.0 = 11111111.11111111.11111100.00000000 =>( 22 bits 1 .. 10 bits 0 ) => 1111111111 = 1023
255.255.254.0 = 11111111.11111111.11111110.00000000 =>( 23 bits 1 .. 9 bits 0 ) => 111111111 = 511
255.255.255.0 = 11111111.11111111.11111111.00000000 =>( 24 bits 1 .. 8 bits 0 ) => 11111111 = 255
255.255.255.128 = 11111111.11111111.11111111.10000000 =>( 25 bits 1 .. 7 bits 0 ) => 1111111 = 127
http://zeus.fh-brandenburg.de/~ihno/doc/lehre/internet/ip_eng.html

QUESTION 112
You plan to deploy a DHCP server that will support four subnets.
The subnets will be configured as shown in the following table.

You need to identify which network ID you should use for each subnet.
What should you identify? To answer, drag the appropriate network ID to the each subnet in the answer area.

Answer:

Explanation:
http://zeus.fh-brandenburg.de/~ihno/doc/lehre/internet/ip_eng.html

QUESTION 113
You work as a senior administrator at L2P.com. The L2P.com network consists of a single domain named L2P.com. All servers on the L2P.com network have Windows Server 2012 R2 installed, and all workstations have Windows 8 installed.
You are running a training exercise for junior administrators.
You are currently discussing a Windows PowerShell cmdlet that activates previously de-activated firewall rules.
Which of the following is the cmdlet being discussed?

A.    Set-NetFirewallRule
B.    Enable-NetFirewallRule
C.    Set-NetIPsecRule
D.    Enable-NetIPsecRule

Answer: B
Explanation:
Enable-NetFirewallRule – Enables a previously disabled firewall rule.
http://technet.microsoft.com/en-us/library/cc990290(v=ws.10).aspx http://technet.microsoft.com/en-us/library/jj574205.aspx
http://mikefrobbins.com/2013/02/28/use-powershell-to-remotely-enable-firewall-exceptions-on-windows- server-2012/
http://technet.microsoft.com/en-us/library/jj554869%28v=wps.620%29.aspx

QUESTION 114
Your network contains a server named Server1 that runs Windows Server 2012 R2. Server1 is located on the same subnet as all of the client computers. A network technician reports that he receives a "Request timed out" error message when he attempts to use the ping utility to connect to Server1 from his client computer. The network technician confirms that he can access resources on Server1 from his client computer.
You need to configure Windows Firewall with Advanced Security on Server1 to allow the ping utility to connect.
Which rule should you enable?

A.    File and Printer Sharing (Echo Request – ICMPv4-In)
B.    Network Discovery (WSD-In)
C.    File and Printer Sharing (NB-Session-In)
D.    Network Discovery (SSDP-In)

Answer: A
Explanation:
Ping uses ICMP
Open Control Panel, then select System and Security by clicking on that header Select Windows Firewall, Advanced SettingsIn `Windows Firewall with Advanced security’ click on `Inbound rules’ Scroll down to `File and Printer sharing(Echo request ICMPv4-In).
Right click on the rule and select `Enable rule’

Make sure that it turns green

Powershell:
Import-Module NetSecurity
Set-NetFirewallRule -DisplayName "File and Printer Sharing (Echo Request ?ICMPv4-In)"
-enabled True

QUESTION 115
You have a file server named Server1 that runs Windows Server 2012 R2.
You need to ensure that a user named User1 can use Windows Server Backup to create a complete backup of Server1.
What should you configure?

A.    The local groups by using Computer Management
B.    A task by using Authorization Manager
C.    The User Rights Assignment by using the Local Group Policy Editor
D.    The Role Assignment by using Authorization Manager

Answer: A
Explanation:
A. User needs to be added to local Backup Operator group
B. AzMan is a role-based access control (RBAC) framework that provides an administrative tool to manage authorization policy and a runtime that allows Applications to perform access checks against that policy.
C. User Rights Assignment policies determines which users or groups have logon rights or privileges on the computer
D. AzMan is a role-based access control (RBAC) framework that provides an administrative tool to manage authorization policy and a runtime that allows Applications to perform access checks against that policy.
http://technet.microsoft.com/en-us/library/cc780182(v=ws.10).aspx
http://msdn.microsoft.com/en-us/library/bb897401.aspx

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