單項選擇題

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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單項選擇題

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.

單項選擇題

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.