單項選擇題

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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單項選擇題

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.

單項選擇題

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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