70-642 Exam
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2021 Oct exam 70-642 windows server 2008 network infrastructure configuring:
Q51. - (Topic 4)
Your network contains an Active Directory domain named contoso.com.
The domain contains a server named Server3 that has the DHCP Server server role installed.
You need to configure Windows Firewall on Server3 to allow IPv4 client computers access to the DHCP Server service.
Which port or ports should you allow through Windows Firewall?
A. TCP 53 and UDP 53
B. TCP 995
C. TCP 67 and TCP 68
D. UDP 995
E. TCP 993
F. TCP 587 and UDP 587
G. UDP 993
H. UDP 546 and UDP 547
I. TCP 1433
J. UDP 67 and UDP 68
K. TCP 546 and TCP 547
L. TCP 636
M. UDP 1433
Answer: J
Explanation:
Use of well-known UDP ports for client/server communication Both BOOTP and DHCP use the same reserved protocol ports for sending and receiving messages between servers and clients. Both BOOTP and DHCP servers use UDP port 67 to listen for and receive client request messages. BOOTP and DHCP clients typically reserve UDP port 68 for accepting message replies from either a BOOTP server or DHCP server.
Because DHCP and BOOTP messages use nearly identical format types and packet structures, and typically use the same well-known service ports, BOOTP or DHCP relay agent programs usually treat BOOTP and DHCP messages as essentially the same message type, without differentiating between them. http://technet.microsoft.com/en-us/library/cc781243(v=ws.10).aspx
Q52. - (Topic 2)
Your network contains a server named DC1 that has the DHCP Server server role installed.
Clients located on the same subnet as DC1 are assigned valid IP addresses from DC1. Clients located on a different subnet are not assigned IP addresses from DC1.
You verify that there is network connectivity between the two subnets.
You need to ensure that the clients on both of the subnets can receive IP addresses from DC1.
What should you do?
A. Authorize DC1 in Active Directory.
B. Increase the database cleanup interval.
C. Configure Routing Information Protocol version 2 (RIPv2) on the router.
D. Configure a DHCP Relay Agent.
E. Restore the database from a backup.
F. Configure name protection.
G. Reconcile the scope.
H. Configure DHCP link layer-based filtering.
I. Modify the start address.
J. Configure Open Shortest Path First (OSPF) on the router.
K. Compact the database.
Answer: D
Q53. - (Topic 2)
Your network contains a Network Policy Server (NPS) named NPS1. You deploy a new NPS named NPS2.
You need to ensure that NPS2 sends all authentication requests to NPS1.
What should you modify on NPS2?
A. health policies
B. network policies
C. RADIUS clients
D. remote RADIUS server groups
Answer: D
Explanation:
NPS is RADIUS (Remote Authentication....). We need to configure NPS2 to use NPS1 for authentication.
Q54. - (Topic 4)
Your network contains a server named Server1 that runs a Server Core installation of Windows Server 2008 R2 Service Pack 1 (SP1) Standard.
You have a performance counter log on Server1.
You need to convert the performance counter log to a comma separated value (CSV) file.
Which tool should you use?
A. Perfmon
B. Typeper
C. Relog
D. Logman
Answer: C
Q55. - (Topic 4)
Your network contains servers that run Windows Server 2008 R2. All client computers run Windows 7.
The network contains a VPN server that has the Routing and Remote Access service (RRAS) role service installed.
You need to prevent VPN Reconnect from reestablishing the connection when a client computer disconnects from the network for more than one minute.
Which VPN server properties should you modify?
A. IP version 4 (IPv4)
B. Internet Key Exchange version 2 (IKEv2)
C. Point-to-Point Protocol (PPP)
D. IP version 6 (IPv6)
Answer: B
Explanation:
VPN Reconnect uses IKEv2 technology to provide seamless and consistent VPN connectivity, automatically re-establishing a VPN when users temporarily lose their Internet connections. Users who connect using wireless mobile broadband will benefit most from this capability. http://technet.microsoft.com/en-us/library/dd637830(v=ws.10).aspx
Most recent 70-642 exam questions:
Q56. - (Topic 4)
Your network contains a domain controller named DC1.
DC1 hosts a zone named fabhkam.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 fabrikam.com zone.
What should you do first?
A. Configure the zone to be stored in Active Directory.
B. Change the zone to a secondary zone.
C. Pause the zone.
D. Modify the NTFS permissions of the zone file.
Answer: A
Q57. HOTSPOT - (Topic 4)
Your network contains a server named Server1 that runs Windows Server 2008 R2. You configure IPSec on Server1.
You need to identify the total number of authentication failures and negotiation failures that occurred on Server1.
Which node should you use to achieve this task?
To answer, select the appropriate node in the answer area.
Answer:
Q58. - (Topic 4)
Your network contains an Active Directory domain named contoso.com. The domain contains two domain controllers named DC1 and DC2. The service location (SRV) records for both of the domain controllers have default values.
An SRV record for DC1 is shown in the exhibit. (Click the Exhibit button.)
You need to modify the SRV records to ensure that DC2 is contacted for authentication only when DC1 is unavailable.
What should you do?
A. Increase the weight value of the SRV records for DC2.
B. Increase the weight value of the SRV records for DC1.
C. Increase the priority value of the SRV records for DC1.
D. Increase the priority value of the SRV records for DC2.
Answer: D
Explanation:
Priority The priority of the server. Clients attempt to contact the server with the lowest priority. Weight A load-balancing mechanism that is used when selecting a target host from those that have the same priority. Clients randomly choose SRV records that specify target hosts to be contacted, with probability proportional to the weight http://technet.microsoft.com/en-us/library/cc961719.aspx
Q59. - (Topic 4)
Your network contains a server that has the Network Policy Server (NPS) role service installed.
You plan to configure Network Access Protection (NAP) to use the DHCP enforcement method.
You need to configure a network policy that will apply only to clients that receive an IP address from a specific DHCP scope.
Which condition should you configure?
A. Service Type
B. NAS Port Type
C. Framed Protocol
D. MS-Service Class
E. NAS Identifier
Answer: D
Q60. - (Topic 4)
Your network contains a server named Server1 that runs Windows Server 2008 R2 Service Pack 1 (SP1).
You need to configure Server1 to use a static IP address.
Which Netsh context should you use?
A. lan
B. dhcpclient
C. interface
D. netio
Answer: B