70-642 Exam
[Oct 2021] examcollection 70-642
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2021 Oct 70-642 mcts:
Q241. - (Topic 1)
You have a DHCP server that runs Windows Server 2008 R2. You need to reduce the size of the DHCP database.
What should you do?
A. From the DHCP snap-in, reconcile the database.
B. From the folder that contains the DHCP database, run jetpack.exe dhcp.mdb temp.mdb.
C. From the properties of the dhcp.mdb file, enable the File is ready for archiving attribute.
D. From the properties of the dhcp.mdb file, enable the Compress contents to save disk space attribute.
Answer: B
Explanation:
To compact the DHCP database:
CD %SYSTEMROOT%\SYSTEM32\DHCP
NET STOP DHCPSERVER
JETPACK DHCP.MDB TMP.MDB
NET START DHCPSERVER
In the examples above, Tmp.mdb is a temporary database that is used by Jetpack.exe.
Wins.mdb is the WINS database. Dhcp.mdb is the DHCP database.
Jetpack.exe compacts the WINS or DHCP database by doing the following:
-Copies database information to a temporary database file called Tmp.mdb.
-Deletes the original database file, Wins.mdb or Dhcp.mdb.
-Renames the temporary database files to the original filename.
http://technet.microsoft.com/en-us/library/hh875589(v=ws.10).aspx://support.microsoft.com/kb/145881/en-us
Q242. - (Topic 3)
You have an application server that runs Windows Server 2008 R2. You need to configure
Windows Firewall to allow communications on the server as shown in the following table.
What is the minimum number of firewall rules you should create?
A. 4
B. 2
C. 1
D. 3
Answer: B
Q243. - (Topic 4)
Your network contains a server named Server1.
You open Reliability Monitor as shown in the exhibit. (Click the Exhibit button.)
You need to ensure that Reliability Monitor collects and displays information.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)
A. Start the System Performance Data Collector Set.
B. Start the System Diagnostics Data Collector Set.
C. Configure an event viewer subscription.
D. Modify the RacTask scheduled task.
E. Modify the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft\Reliability Analysis\WMI\WMIEnable registry value.
Answer: D,E
Explanation: Issue: When you open Reliability Monitor on a computer that is running Windows Server 2008 or Windows Server 2008 R2, Reliability Monitor displays no information.
Cause: This behavior occurs because the trigger that regularly starts the RacTask task is disabled. Information that Reliability Monitor displays is provided by the RacTask task. By default, the RacTask task runs one time that is about one hour after you install the operating system. In Windows Server 2008 and in Windows Server 2008 R2, the trigger that regularly starts the RacTask task is disabled after the RacTask task runs for the first time.
Solution:
To resolve this issue, follow these steps:
Click.Start, type.Task Scheduler.in the.Search.box, and then click.Task Scheduler.
Enable the trigger that regularly starts the.RacTask.task.
Update a registry setting.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Reliability Analysis\WMI\WMIEnable
.Restart the computer.
Note:
* Reliability Monitor uses data provided by the RACAgent scheduled task. Reliability Monitor will start displaying a Stability Index rating and specific event information 24 hours after system installation. The RACAgent scheduled task runs by default after the operating system is installed. If it is disabled, it must be enabled manually from the Task Scheduler snap-in for Microsoft Management Console (MMC).
Reference: Reliability Monitor displays no information in Windows Server 2008 and in Windows Server 2008 R2
Q244. - (Topic 1)
Your network contains a domain controller named DC1.
DC1 hosts a zone named contoso.com. The properties of the zone are shown in the exhibit. (Click the Exhibit button.)
You need to ensure that only secure dynamic updates are accepted for the contoso.com zone.
What should you do first?
A. Modify the NTFS permissions of the zone file.
B. Change the zone to a secondary zone.
C. Configure the zone to be stored in Active Directory.
D. Pause the zone.
Answer: C
Q245. - (Topic 2)
Your network contains a Windows Server Update Services (WSUS) server. You have an organizational unit (OU) named Sales. The Sales OU contains all of the computer objects for the sales department. You enable client-side targeting for the Sales OU and set the target group name to Sales-Computers.
You restart a sales computer.
You discover that the computer is not added to the Sales-Computer computer group in WSUS.
You need to ensure that all sales computers are added to the Sales-Computers group.
Which options should you configure?
A. Automatic Approvals
B. Computers
C. Personalization
D. Products and Classifications
Answer: B
Update questions on 70-642 exam:
Q246. - (Topic 3)
Your network contains four servers named Server1, Server2, Server3, and Server4 that run
Windows Server 2008 R2. The servers have the Network Policy Server (NPS) role service installed.
You configure a Remote RADIUS Server Group named Group1. Group 1 contains Server2, Server3, and Server4.
You need to configure load balancing for the members of Group1 to meet the following requirements:
Server1 must send 25 percent of all authentication requests to Server3.
Server1 must send 75 percent of all authentication requests to Server2.
Server1 must only send authentication requests to Server4 if Server2 and Server3 are unavailable.
What should you do from the Network Policy Server console?
A. • For Server2, set the weight to 75 and the priority to 75, • For Server3, set the weight to 25 and the priority to 25. • For Server4, set the weight to 100 and the priority to 200.
B. • For Server2, set the weight to 75 and the priority to 1. • For Server3, set the weight to 25 and the priority to 1. • For Server4, set the weight to 100 and the priority to 100.
C. • For Server2, set the weight to 1 and the priority to 75. • For Server3, set the weight to 1 and the priority to 25. • For Server4, set the weight to 100 and the priority to 1.
D. • For Server2, set the weight to 75 and the priority to 25. • For Server3, set the weight to 25 and the priority to 75. • For Server4, set the weight to 100 and the priority to 1.
Answer: B
Explanation:
RADIUS server priority and weight During the NPS proxy configuration process, you can create remote RADIUS server groups and then add RADIUS servers to each group. To configure load balancing, you must have more than one RADIUS server per remote RADIUS server group. While adding group members, or after creating a RADIUS server as a group member, you can access the Add RADIUS server dialog box to configure the following items on the Load Balancing tab:
Priority: Priority specifies the order of importance of the RADIUS server to the NPS proxy server. Priority level must be assigned a value that is an integer, such as 1, 2, or 3. The lower the number, the higher priority the NPS proxy gives to the RADIUS server. For example, if the RADIUS server is assigned the highest priority of 1, the NPS proxy sends connection requests to the RADIUS server first; if servers with priority 1 are not available, NPS then sends connection requests to RADIUS servers with priority 2, and so on. You can assign the same priority to multiple RADIUS servers, and then use the Weight setting to load balance between them. Weight: NPS uses this Weight setting to determine how many connection requests to send to each group member when the group members have the same priority level. Weight setting must be assigned a value between 1 and 100, and the value represents a percentage of 100 percent. For example, if the remote RADIUS server group contains two members that both have a priority level of 1 and a weight rating of 50, the NPS proxy forwards 50 percent of the connection requests to each RADIUS server.
Advanced settings: These failover settings provide a way for NPS to determine whether the remote RADIUS server is unavailable. If NPS determines that a RADIUS server is unavailable, it can start sending connection requests to other group members. With these settings you can configure the number of seconds that the NPS proxy waits for a response from the RADIUS server before it considers the request dropped; the maximum number of dropped requests before the NPS proxy identifies the RADIUS server as unavailable; and the number of seconds that can elapse between requests before the NPS proxy identifies the RADIUS server as unavailable.
Reference: http://technet.microsoft.com/en-us/library/dd197433(v=ws.10).aspx
Q247. - (Topic 2)
Your network contains a server that runs Windows Server 2008 R2.
You have a shared folder named Data that is located on the C drive. The permissions for the Data folder are configured as shown in the following table.
A user named User1 is a member of Group1 and Group3.
User1 reports that she cannot upload files to the share. You need to ensure that User1 can upload files to C: \Data. The solution must minimize the number of permissions assigned to all users.
What should you do?
A. Add User1 to Group2.
B. Remove User1 from Group1.
C. Assign the Change share permission to Group1.
D. Assign the Change share permission to Group3.
Answer: A
Q248. - (Topic 3)
Your network contains an Active Directory domain named fabrikam.com. The domain contains a DNS server named Server1. Server1 hosts the DNS zone for fabrikam.com.
You have a client computer named Computer1 that runs Windows 7. You need to ensure that, from
Computer1, you can enumerate all of the records in the fabrikam.com DNS zone.
What should you modify?
A. the forwarders of Server1
B. the root hints of Server1
C. the security settings of the fabrikam.com DNS zone
D. the zone transfer settings of the fabrikam.com DNS zone
Answer: D
Q249. - (Topic 1)
Your network contains two offices named Office1 and Office2. The offices connect to each other by using a demand-dial connection.
You add a new subnet in Office2.
You need to ensure that a demand-dial connection starts when users attempt to connect to resources in the new Office2 subnet.
What should you do from the Remote Routing and Access console?
A. From the remote access server in Office2, right-click the demand-dial interface and click Connect.
B. From the remote access server in Office1, right-click the demand-dial interface and click Connect.
C. From the remote access server in Office1, right-click the demand-dial interface and click Update Routes.
D. From the remote access server in Office2, right-click the demand-dial interface and click Update Routes.
Answer: C
Q250. - (Topic 3)
Your company has a network that has 100 servers. You install a new server that runs Windows Server 2008 R2. The server has the Web Server (IIS) server role installed.
After a week, you discover that the Reliability Monitor has no data, and that the Systems Stability chart has never been updated.
You need to configure the server to collect the Reliability Monitor data.
What should you do?
A. Run the perfmon.exe /sys command on the server.
B. Configure the Task Scheduler service to start automatically.
C. Configure the Remote Registry service to start automatically.
D. Configure the Secondary Logon service to start automatically.
Answer: B
Explanation:
Information that Reliability Monitor displays is provided by the RacTask task. By default, the
RacTask task runs one time that is about one hour after you install the operating system. In
Windows Server 2008 and in Windows Server 2008 R2, the trigger that regularly starts the
RacTask task is disabled after the RacTask task runs for the first time.
To resolve this issue, follow these steps:
1- Click Start, type Task Scheduler in the Search box, and then click Task Scheduler.
2- Enable the trigger that regularly starts the RacTask task.
a- In Task Scheduler, expand Task Scheduler Library, expand Microsoft, and then expand
Windows.
b- Right-click RAC, click View, and then click to select the Show Hidden Tasks command.
Note If the Show Hidden Tasks command is already selected, go to step 2c.
c- Double-click RacTask.
d- In the RacTask Properties dialog box, click the Triggers tab.
e- On the Triggers tab, double-click the One time trigger.
f- In the Edit Trigger dialog box, click to select the Enabled option, and then click OK.
g- In the RacTask Properties dialog box, click OK.
h- Close Task Scheduler.
3- Update a registry setting.
a- Click Start, type Regedit in the Search box, and then click Regedit.
b- In Registry Editor, set the value of the following registry entry to 1:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Reliability Analysis\WMI\WMIEnable
4- Restart the computer.
http://support.microsoft.com/kb/983386/en-us