单项选择题our company has a main office and two branch offices. Domain controllers in the main office host an active directory-integrated zone. The DNS servers in the branch offices host a secondary for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. you need to ensure that users in the branch office can access their local application server even if the WAN links are down for three days. What should you do?（）

A.Increase the expires after setting to 4 days on the start of authority (SOA) record for the zone.
B.Increase the refresh interval setting 0 4 days on the start of authority (SOA) record for the zone.
C.Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set the refresh setting to 4 days.
D.Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set NO-refresh interval setting to 4 days.

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1.单项选择题Your network contains a server named Server1. Server1 runs Windows Server 2008 R2 and has a single network connection. The connection is configured to use a default gateway address of 10.0.0.1.The default gateway has a metric value of 100.You configure a second default gateway that uses an address of 10.0.0.2.You need to ensure that 10.0.0.2 is only used as the default gateway if 10.0.0.1 is unreachable. What should you do？（）

A. For the interface, set the interface metric to 100.
B. For the 10.0.0.2 gateway, set the metric to 50.
C. For the 10.0.0.2 gateway, set the metric to 200.
D. For the 10.0.0.1 gateway and the 10.0.0.2 gateway, enable automatic metric.

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2.单项选择题You have a DHCP serve that runs windows server 2008. The DHCP serve has two network connections named LAN1 and LAN2. You need to prevent the DHCP server from responding to DHCP client request on LAN2. The server must continue to respond to non-DHCP client requests on LAN2. What should you do?（）

A.From the DHCP snap-in, modify the bindings to associate only LAN1 with the DHCP service.
B.From the DHCP snap-in, create a new multicast scope.
C.From the properties of the LAN1 network connection, set the metric value to 1.
D.From the properties of the LAN2 network connection, set the metric value to 1.

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3.单项选择题Your network contains two DHCP servers named Server1 and Server2. Server1 and Server2 are located in the same subnet.You configure a split scope named Scope1 on the DHCP servers.You need to ensure that Server2 only responds to DHCP client requests if Server1 is unavailable.What should you modify？（）

A. the Scope1 properties for Server1
B. the Scope1 properties for Server2
C. the server options for Server1
D. the server options for Server2

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4.单项选择题Your company uses network access protection (NAP) to enforce policies on client computers that connect to the network. Client computers run windows vista. A group Policy is used to configure client computers to obtain updates from WSUS. Company policy requires that updates labeled important and critical must be applied before client computers can access network resources. You need to ensure that client computes meet the company policy requirement. What should you do?（）

A.Enable automatic updates on each client.
B.Enable the security center on each client.
C.Quarantine clients that do not have all available security updates installed.
D.Disconnect the remote connection until the required updates are installed.

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5.单项选择题our company has a DNS server named server1. Your partner company has a DNS server named server2. You create a stub zone on server1. The master for the stub zone is server2. Serve2 fails. You discover that users are not able to resolve named for the partner company. You need to ensure that users are able to resolve named for the partner company in the event that server2 fails. What should you do?（）

A.Change the stub zone to a secondary zone on server1.
B.Open the SOA record for the zone on server2. Change the minimum (default ) TTL setting to 12 hours.
C.Open the DNS zone for the partner company on server2. Create a new route through (RT) record and a new host (A) record for server1.
D.Open the primary DNS zone on server2. Create a new service locator (SRV) record and a new host (A) record for server1.

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6.单项选择题Your network contains an Active Directory domain. The domain contains a DHCP server named Server1.You create a scope named Scope1 on Server1.You need to prevent unauthorized DHCP clients from receiving addresses from Server1.What should you do？（）

A. From the DHCP console, configure filters.
B. From the Local Security Policy console, modify the network settings.
C. From the Local Users and Groups console, modify the membership of the DHCP Users group.
D. From the Netsh tool, change to the DHCP Server context, and then run the initiate auth command.

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7.多项选择题You need to add a reservation for a print device to a DHCP scope.Which two components should you include in the reservation？（）

A. the default gateway
B. the IP address
C. the MAC address
D. the printer server name
E. the subnet mask

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8.单项选择题Your company has active directory certificate services (AD CS) and network access protection (NAP) deployed on the network. You need to ensure that NAP policies are enforced on portable computers that use a wireless connection to access the network. What should you do?（）

A.Configure all access points to use 802.1x authentication.
B.Configure all protable computers to use MS-CHAP v2 authentication.
C.Use the group policy management console to access the wireless group policy settings, and enable the prevent connections to ad-hoc network option.
D.Use the group policy management console to access the wireless group policy settings, and disable the prevent connections to infrastructure networks option.

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9.单项选择题Your network contains two DHCP servers named Server1 and Server2.On Server1, you create a scope named Scope1.You need to ensure that DHCP clients receive IP addresses from the address range in Scope1 if Server1 is unavailable. The solution must prevent both servers from assigning duplicate IP addresses.What should you do from the DHCP console？（）

A. On Server1, create a superscope.
B. On Server1, select Scope1, and then run the Split-Scope wizard.
C. On Server2, create a scope, and then reconcile each scope.
D. On Server2, create a scope, and then enable Network Access Protection.

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10.单项选择题Your company has a single active directory forest that has an active directory domain named na.contoso.com.zone. you have enabled DNS scavenging on server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. you need to ensure that the stale resource records are removed from na.contoso.com. what should you do?（）

A.Stop and restart the DNS service on server1.
B.Enable DNS scavenging on the na.contoso.com zone.
C.Run the dnscmd server1 /ageallrecords command on server1/.
D.Run the dnscmd server1 /startscavenging command on server1.

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