You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）..

第1题

[单选题] You have a print server that runs Windows Server 2003 Service Pack 2 (SP2). Users report that print jobs are not printing. Users also report that they do not receive any error messages. You notice a large number of jobs in the print queue. You attempt to delete some jobs from the queue and notice that the jobs remain in the queue. You need to ensure that users can print successfully. What should you do? （）

A、Restart the Print Spooler service. B、Pause the printer, and then restart the printer. C、Take ownership of the printer, and then delete the print jobs. D、Assign the Manage Documents permission to the users connected to the printer.

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第2题

[] Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource records in the 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？（） Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource records in the 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、A. Stop and restart the DNS Server service on Server1. B、B. Enable DNS scavenging on the na.contoso.com zone. C、C. Run the dnscmd Server1 /AgeAllRecords command on Server1. D、D. Run the dnscmd Server1 /StartScavenging command on Server1.

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第3题

[] You have a computer that runs Windows Vista. You create a virtual private network (VPN) connection between the computer and your company’s network. You notice that while the computer is connected through the VPN connection, users on the company network can access shared folders on the computer. You need to prevent network users from accessing your shared folders when you are connected to the company’s network by using the VPN connection. What should you do?（） You have a computer that runs Windows Vista. You create a virtual private network (VPN) connection between the computer and your company’s network. You notice that while the computer is connected through the VPN connection, users on the company network can access shared folders on the computer. You need to prevent network users from accessing your shared folders when you are connected to the compan

A、A.A B、B.B C、C.C D、D.D

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第4题

[单选题] The external flotation bladder on an immersion suit should be inflated（）.

A、before you enter the water B、after you enter the water C、after one hour in the water D、after you notice that your suit is losing buoyancy

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第5题

[单选题] You have completed an OSPF implementation, and you are verifying OSPF operation. During this verification, you notice that the OSPF route of 172.16.10.0 is repeatedly appearing and disappearing from the routing table. Further investigation finds that the OSPF CPU utilization is very high and the routers are constantly performing SPF calculations. You determine that 172.16.20.2 is the source of the 172.16.10.0 route. Using the show ip ospf database router 172.16.20.1 command, you notice that when this show command is performed repeatedly, the contents of the LSA change every few seconds. What could be the cause of this problem?（）

A、OSPF authentication errors between some of the routers B、Two routers have the same OSPF router ID C、Issues with mistuned OSPF timers D、OSPF LSA pacing issues between some of the routers E、OSPF neighbor adjacency problems between some of the routers

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第6题

[单选题] Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role.You notice stale resource records in the 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 Server 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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第7题

[单选题] You install a custom application on a computer that runs Microsoft Windows XP. The application stores each user’s data in the %programfiles%\app1\data folder on the computer. You install the custom application on a computer that runs Windows Vista. On the Windows Vista computer, you back up the %programfiles%\app1\data folder and notice that the backup contains no data. You need to back up the application’s user data on the Windows Vista computer. What should you do?（）

A、A B、B C、C D、D

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第8题

[] You are developing a Windows Communication Foundation (WCF) service. You establish that the largest size of valid messages is 8,000 bytes. You notice that many malformed messages are being transmitted.Detailed information about whether each message is malformed must be logged.You need to ensure that this information is saved in XML format so that it can be easily analyzed. What should you add to the service configuration file?（） You are developing a Windows Communication Foundation (WCF) service. You establish that the largest size of valid messages is 8,000 bytes. You notice that many malformed messages are being transmitted.Detailed information about whether each message is malformed must be logged.You need to ensure that this information is saved in XML format so that it can be easily analyzed. What should you add to the service configuration file?（）

A、A.
B.
C.
D.

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第9题

[单选题] You have two computers named Computer1 and Computer2 that run Windows Vista. Both computers are located in the same subnet. You access shared resources on Computer2 from Computer1. You change the IP address on Computer2 and immediately notice that you can no longer access the shared resources from Computer1. You confirm that you can still access Internet resources from both computers. You need to access the shared resources on Computer2 from Computer1. What should you do?（）

A、A B、B C、C D、D

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第10题

[单选题] You have a print server that runs Windows Server 2003 Service Pack 2 (SP2). Users report that print jobs are not printing. Users also report that they do not receive any error messages. Younotice a large number of jobs in the print queue. You attempt to delete some jobs from the queue and notice that the jobs remain in the queue. You need to ensure that users can print successfully. What should you do? （）

A、Restart the Print Spooler service. B、Pause the printer, and then restart the printer. C、Take ownership of the printer, and then delete the print jobs. D、Assign the Manage Documents permission to the users connected to the printer.

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You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）

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