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Networking with Windows Server - DHCP, Exams of Nursing

University of OxfordNursing

An in-depth exploration of the dhcp (dynamic host configuration protocol) in the context of windows server networking. It covers various aspects of dhcp, including message types, server configuration, scope management, high availability options, and troubleshooting. The document delves into the technical details of dhcp, addressing topics such as address leasing, dns integration, and policy-based assignment. It also explores advanced dhcp features like split scopes, superscopes, and failover configurations. This comprehensive guide equips readers with a thorough understanding of dhcp and its practical implementation in a windows server environment, making it a valuable resource for network administrators, it professionals, and students interested in windows server networking.

Typology: Exams

2023/2024

Available from 09/21/2024

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Networking with Windows Server -
Chapter 4 - DHCP
Which of the following are true about the DHCP protocol? (Choose all that apply.)
a. There are eight message types.
b. DHCPDISCOVER messages sent by clients traverse routers.
c. It uses the UDP Transport-layer protocol.
d. An initial address lease involves three packets. - correct answer โœ”โœ”a. There are eight message types.
c. It uses the UDP Transport-layer protocol.
You have a DHCP server set up on your network and no DHCP relay agents. You're capturing DHCP
packets with a protocol analyzer and see a broadcast packet with UDP source port 68 and UDP
destination port 67. Which of the following DHCP message types can the packet be?
a. A DHCPREQUEST to renew an IP address lease
b. A DHCPACK to acknowledge an IP address lease request
c. A DHCPDISCOVER to request an IP address
d. A DHCPOFFER to offer an IP address lease - correct answer โœ”โœ”c. A DHCPDISCOVER to request an IP
address
In the DHCP server's statistics, you notice that a lot of DHCPNAK packets have been transmitted. What's
the most likely reason?
a. You changed the range of addresses in a scope recently.
b. The DHCP server has been taken offline.
c. The server is offering a lot of addresses that are already in use.
d. Client computers are getting multiple offers when they request an address. - correct answer โœ”โœ”a. You
changed the range of addresses in a scope recently.
You have configured your computers with static IP addresses but want them to get the DNS server and
default gateway settings via DHCP. What type of DHCP message do you see as a result?
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Networking with Windows Server -

Chapter 4 - DHCP

Which of the following are true about the DHCP protocol? (Choose all that apply.) a. There are eight message types. b. DHCPDISCOVER messages sent by clients traverse routers. c. It uses the UDP Transport-layer protocol. d. An initial address lease involves three packets. - correct answer โœ”โœ”a. There are eight message types. c. It uses the UDP Transport-layer protocol. You have a DHCP server set up on your network and no DHCP relay agents. You're capturing DHCP packets with a protocol analyzer and see a broadcast packet with UDP source port 68 and UDP destination port 67. Which of the following DHCP message types can the packet be? a. A DHCPREQUEST to renew an IP address lease b. A DHCPACK to acknowledge an IP address lease request c. A DHCPDISCOVER to request an IP address d. A DHCPOFFER to offer an IP address lease - correct answer โœ”โœ”c. A DHCPDISCOVER to request an IP address In the DHCP server's statistics, you notice that a lot of DHCPNAK packets have been transmitted. What's the most likely reason? a. You changed the range of addresses in a scope recently. b. The DHCP server has been taken offline. c. The server is offering a lot of addresses that are already in use. d. Client computers are getting multiple offers when they request an address. - correct answer โœ”โœ”a. You changed the range of addresses in a scope recently. You have configured your computers with static IP addresses but want them to get the DNS server and default gateway settings via DHCP. What type of DHCP message do you see as a result?

a. DHCPREQUEST b. DHCPRELEASE c. DHCPNAK d. DHCPINFORM - correct answer โœ”โœ”d. DHCPINFORM After you install the DHCP Server role on a member server, what must you do before the server can begin providing DHCP services? a. Configure options. b. Activate the server. c. Authorize the server. d. Create a filter. - correct answer โœ”โœ”c. Authorize the server. Which of the following are required elements of a DHCP scope? (Choose all that apply.) a. Subnet mask b. Scope name c. Router address d. Lease duration - correct answer โœ”โœ”a. Subnet mask b. Scope name d. Lease duration What's the default lease duration on a Windows DHCP server? a. 8 hours b. 16 minutes c. 8 days d. 16 hours - correct answer โœ”โœ”c. 8 days What should you define in a scope to prevent the DHCP server from leasing addresses that are already assigned to devices statically? a. Reservation scope

c. Dynamic scope d. Autoconfiguration - correct answer โœ”โœ”b. Multicast scope You want high availability for DHCP services, a primary server to handle most DHCP requests, and a secondary server to respond to client requests only if the primary server fails to in about a second. The primary server has about 85% of the IP addresses to lease, leaving the secondary server with about 15%. You don't want the servers to replicate with each other. What should you configure? a. Multicast scope b. Failover c. Superscope d. Split scope - correct answer โœ”โœ”d. Split scope A subnet on your network uses DHCP for address assignment. The current scope has start address 192.168.1.1 and an end address of 192.168.1.200 with the subnet mask 255.255.255.0. Because of network expansion, you have added computers, bringing the total number that need DHCP for address assignment to 300. You don't want to change the IP addressing scheme or the subnet mask for computers already on the network. What should you do? a. Create a new scope with start address 192.168.2.1 and end address 192.168.2.200 with prefix length 24 and add the existing scope and new scope to a superscope. b. Add a scope with start address 192.168.1.1 and end address 192.168.2.200 with the subnet mask 255.255.255.0. Then delete the existing scope. c. Create a new scope with start address 192.168.1.1, end address 192.168.2.200, and prefix length 16. d. Add another DHCP server. Using the split scope wizard, split the existing scope wit - correct answer โœ”โœ”a. Create a new scope with start address 192.168.2.1 and end address 192.168.2.200 with prefix length 24 and add the existing scope and new scope to a superscope. You want mobile devices on your network to have a shorter lease time than other devices without having a different scope. You don't have detailed information about the mobile devices, such as MAC addresses because they are employees' personal devices. What DHCP feature might you use to assign a shorter lease to these mobile devices? a. Reservation options b. Scope options c. Policy options d. Filter options - correct answer โœ”โœ”c. Policy options

You have DHCP clients on the network that aren't domain members. You want to be sure these computers can register their hostnames with your DNS servers. Which option should you configure? a. 003 Router b. 044 WINS/NBNS Servers c. 006 DNS Servers d. 015 DNS Domain name - correct answer โœ”โœ”d. 015 DNS Domain name You want all computers in the Management Department to use a default gateway that's different from computers in other departments. All departments are on the same subnet. What should you do first on the server? a. Create a User Class. b. Create a new scope. c. Create an allow filter. d. Create a Vendor Class. - correct answer โœ”โœ”a. Create a User Class. You have a DHCP server with two NICs: NIC1 and NIC2. NIC1 is connected to a subnet with computers that use DHCP for address assignment. NIC2 is connected to the data center subnet where all computers should use static addressing. You want to prevent the DHCP server from listening for DHCP packets on NIC2. What should you do? a. Configure bindings. b. Disable the scope. c. Create a filter for NIC2. d. Configure failover. - correct answer โœ”โœ”a. Configure bindings. You notice that some information shown in the DHCP console for DHCP leases doesn't agree with lease information you see on some client computers where you used ipconfig /all. What should you do to make DHCP information consistent? a. Back up and restore the database. b. Reconcile the scopes. c. Create a deny filter for the leases that look wrong. d. Delete the dhcp.mdb file and click Refresh - correct answer โœ”โœ”b. Reconcile the scopes.

Why might you need to create predefined options with code 060? a. To support WSUS clients b. To support Linux clients c. To support WDS clients d. To support mobile clients - correct answer โœ”โœ”c. To support WDS clients You have been assigned the task of migrating the DHCP server role to another server. Which of the following PowerShell cmdlets will allow you to transfer the DHCP server configuration and database? a. Import-Dhcp -File C:\Dhcp.xml -Leases b. netsh dhcp server export Dhcp.txt all c. netsh dhcp server import C:\Dhcp.txt all d. Export-DhcpServer -File Dhcp.xml -Leases - correct answer โœ”โœ”d. Export-DhcpServer -File Dhcp.xml - Leases You have noticed that your DHCP service is not starting. You must immediately troubleshoot your DHCP server and determine the cause of the problem as quickly as possible. Which of the following DHCP troubleshooting steps should you perform? (Choose all that apply.) a. Reconcile all scopes. b. Verify the scope is not corrupted. c. Power cycle the DHCP Server immediately. d. Verify that the DHCP server is authorized. - correct answer โœ”โœ”b. Verify the scope is not corrupted. d. Verify that the DHCP server is authorized. What type of IPv6 address configuration uses DHCPv6? a. Unicast allocation b. Stateless autoconfiguration c. Dynamic allocation d. Stateful autoconfiguration - correct answer โœ”โœ”d. Stateful autoconfiguration

Which of the following is not part of a DHCPv6 scope configuration? a. Default gateway b. Prefix c. Preference d. Scope lease - correct answer โœ”โœ”a. Default gateway Which of the following is a DHCP high-availability option that includes hot standby mode? a. DHCP Load balancing b. Superscopes c. DHCP split scope d. DHCP failover - correct answer โœ”โœ”d. DHCP failover