70-642 Exam
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2021 Sep mcsa 70-642:
Q221. - (Topic 1)
Your company has a main office and two branch offices that are connected by WAN links. The main office runs the DNS Server service on three domain controllers. The zone for your domain is configured as an Active Directory-integrated zone.
Each branch office has a single member server that hosts a secondary zone for the domain. The DNS servers in the branch offices use the main office DNS server as the DNS Master server for the zone.
You need to minimize DNS zone transfer traffic over the WAN links.
What should you do?
A. Decrease the Retry Interval setting in the Start of Authority (SOA) record for the zone.
B. Decrease the Refresh Interval setting in the Start of Authority (SOA) record for the zone.
C. Increase the Refresh Interval setting in the Start of Authority (SOA) record for the zone.
D. Disable the netmask ordering option in the properties of the DNS Master server for the zone.
Answer: C
Q222. - (Topic 4)
Your network contains a file server named Server1 that runs Windows Server 2008 R2 Service Pack (SP1).
Server1 is configured to create a full server backup every weekday at 05:00.
You discover that the backup job conflicts with an automated business process that completes at 05:05.
You need to modify the backup job to begin at 05:15.
Which tool should you use? (Each correct answer presents a complete solution. Choose two.)
A. Ntbackuprestore
B. Scheduled Tasks
C. Wbadmin
D. the Windows Server Backup console
E. At
Answer: C,D
Explanation: C: Wbadmin enable backup
Creates and enables a daily backup schedule or modifies an existing backup schedule.
With no parameters specified, it displays the currently scheduled backup settings.
Example: wbadmin enable backup –addtarget:\\backupshare\backup1 –include:
d:\documents –user:CONTOSOEAST\aekel –password:$3hM9^5lp –schedule:00:00,19:00
D: Windows Server Backup snap-in. This tool contains four wizards to help you perform backups and recoveries of your servers: Schedule Backup Wizard, Backup Once Wizard, Recovery Wizard, and Catalog Recovery Wizard. You can use the main page of the snap-in to view information about any past or future backup or recovery operations. Also, you can use the tool to configure performance options for backups and recoveries.
Q223. - (Topic 1)
Your company has a main office and a branch office. The company network has two WINS servers. You have an application that requires NetBIOS name resolution. The WINS servers are configured as shown in the following table.
You discover that the WINS addresses on all client computers in both offices are configured in the following order of use:
10.1.0.23
10.6.0.254
You reconfigure the WINS addresses on all client computers in the branch office in the following order of use:
10.6.0.254
10.1.0.23
After the reconfiguration, users in the branch office are unable to connect to the servers that are located in the main office.
You need to restore name resolution in the branch office.
What should you do?
A. Configure the burst handling option on DC2.
B. Configure DC1 and DC2 as WINS push/pull replication partners.
C. In the WINS server properties on DC1, increase the Renew interval setting to 1 day.
D. In the WINS server properties on DC2, increase the Renew interval setting to 1 day.
Answer: B
Q224. - (Topic 4)
Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the Network Policy Server (NPS) role service installed.
You need to ensure that the NPS log files on Server1 contain information about the duration of client connections.
What should you do?
A. Enable the Authentication requests setting.
B. Configure the DTS Compliant log file format.
C. Configure the IAS (Legacy) log file format.
D. Enable the Accounting requests setting.
Answer: B
Explanation:
The DTS Compliant log format is the newest one and only its XML have attributes for session duration such as Acct-Session-Time = “The length of time (in seconds) for which the session has been active. http://technet.microsoft.com/en-us/library/cc771748(v=ws.10).aspx
Q225. - (Topic 2)
Your network contains a server that runs Windows Server 2008 R2. You need to create a script to identify known configuration issues.
What should you include in the script?
A. the Get-BPAModel cmdlet
B. the Invoke-BPAModel cmdlet
C. the Mrinfo tool
D. the Systeminfo tool
Answer: B
Explanation:
The Invoke-BPAModel cmdlet allows you to start a Best Practices Analyzer (BPA) scan for a specific model that is installed on your computer.
Check the technet here:
http://technet.microsoft.com/en-us/library/ee617290.aspx
Renew examcollection 70-642:
Q226. - (Topic 1)
Your company has a branch office that contains 1,000 computers. You need to select a network address that supports 1,000 computers in the same subnet. The solution must minimize the number of unused addresses in the subnet.
Which address range should you configure?
A. 172.16.0.0/16
B. 172.16.0.0/18
C. 172.16.0.0/22
D. 172.16.0.0/24
Answer: C
Q227. - (Topic 3)
Your network contains a server that runs a Server Core installation of Windows Server 2008 R2.
You need to configure outbound firewall rules on the server.
Which tool should you use?
A. ocsetup
B. servermanagercmd
C. netcfg
D. netsh
Answer: D
Q228. - (Topic 3)
You have an application that requires localhost to resolve to 127.0.0.1. You ping localhost as shown in the exhibit. (Click the Exhibit button.)
You need to ensure that localhost resolves to 127.0.0.1.
What should you do?
A. Modify the Hosts file.
B. Add a Microsoft Loopback Adapter.
C. Modify the Lmhosts file.
D. Modify the properties of the local area connection.
Answer: A
Q229. - (Topic 3)
Your network contains one Active Directory domain. You have a member server named Server1 that runs Windows Server 2008 R2. The server has the Routing and Remote Access Services role service installed.
You implement Network Access Protection (NAP) for the domain.
You need to configure the Point-to-Point Protocol (PPP) authentication method on Server1.
Which authentication method should you use?
A. Challenge Handshake Authentication Protocol (CHAP)
B. Extensible Authentication Protocol (EAP)
C. Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2)
D. Password Authentication Protocol (PAP)
Answer: B
Explanation:
With EAP, the specific authentication mechanism is not chosen during the link establishment phase of the PPP connection; instead, the PPP peers negotiate to perform EAP during the connection authentication phase. When the connection authentication phase is reached, the peers negotiate the use of a specific EAP authentication scheme known as an EAP method. After the EAP method is agreed upon, EAP allows for an open-ended exchange of messages between the access client and the authenticating server that can vary based on the parameters of the connection. The conversation consists of requests and responses for authentication information. The EAP method determines the length and details of the authentication conversation. http://technet.microsoft.com/en-us/library/bb457039.aspx
Q230. - (Topic 2)
Your network contains a DNS server named DNS1 that runs Windows Server 2008 R2. DNS1 is configured as the DNS server for contoso.com. All client computers are configured to use DNS1 for name resolution.
From a client computer, you run the Ping tool as shown in the exhibit. (Click the Exhibit button.)
You need to ensure that users can use the Ping tool to resolve the IP addresses of internal servers to fully qualified domain names (FQDNs).
What should you do?
A. Create a GlobalNames zone.
B. Create a reverse lookup zone.
C. Create a forward lookup zone.
D. Enable zone transfers on the contoso.com zone.
Answer: B