Ch 4
What type of IPv6 address configuration uses DHCPv6? a. Dynamic allocation b. Stateful autoconfiguration c. Stateless autoconfiguration d. Unicast allocation
b. Stateful autoconfiguration
What must be done before a Windows DHCP server, with a scope already defined, can begin providing services? a. The server must be updated b. The server must be authorized c. The server must be authenticated d. The server must be validated
b. The server must be authorized
Why might you need to create predefined options with code 060? a. To support mobile clients b. To support WDS clients c. To support Linux clients d. To support WSUS clients
b. To support WDS clients
For you to create a Superscope, what is the minimum number of scope should already exist in DHCP server? a. 10 b. 6 c. 2 d. 4 e. 8 f. 1
c. 2
How many hexadecimal blocks are there in an IPv6 address? a. 6 b. 8 c. 12 d. 10
b. 8
True or False? A reservation address can be within an exclusion range? a. True b. False
a. True
If you have an IPv6 address, such as: fd09:a890:0cd3:de45:0000:0000:0000:0005 What are the two correct short forms of this IP address? [Choose two.] a. fd09:a890:cd3:de45::5 b. fd09:a890::cd3:de45:0::0:0:5 c. fd09:a890::cd3:de45::5 d. fd09:a890:cd3:de45:0:0:0:5 e. fd09::a890:cd3:de45::5
a. fd09:a890:cd3:de45::5 d. fd09:a890:cd3:de45:0:0:0:5
How long through the lease period does the client first send a renewal request? a. 50% b. 60% c. 75% d. 90%
a. 50%
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 DHCPDISCOVER to request an IP address. b. A DHCPACK to acknowledge an IP address lease request. c. A DHCPREQUEST to renew an IP address lease. d. A DHCPOFFER to offer an IP address lease.
a. A DHCPDISCOVER to request an IP address.
Which of the following are required elements of a DHCP scope? (Choose all that apply.) a. Scope name b. Lease duration c. Router address d. Subnet mask
a. Scope name b. Lease duration d. Subnet mask
Which of the following are true about the DHCP protocol? (Choose all that apply.) a. There are eight message types. b. It uses the UDP Transport-layer protocol. c. DHCPDISCOVER messages sent by clients' traverse routers. d. An initial address lease involves three packets.
a. There are eight message types. b. It uses the UDP Transport-layer protocol.
After installing the DHCP server on a server, what is the next step that you should perform? a. Configure the DHCP options b. Authorize the DHCP server c. Restart the DHCP server d. Configure the DHCP pools
b. Authorize the DHCP server
You're reviewing DHCP server statistics and notice that the server has received many DHCPDECLINE messages. What should you configure on the server to reduce the number of DHCPDECLINE messages? a. DHCP policies b. Conflict detection c. DNS credentials d. Connection bindings
b. Conflict detection
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 an allow filter. b. Create a User Class. c. Create a new scope. d. Create a Vendor Class.
b. Create a User Class.
You have a network of 150 computers and notice that a computer you don't recognize has been leasing an IP address. You want to make sure this computer can't lease an address from your server. What's the best solution that takes the least administrative effort? a. Create a new policy. b. Create a deny filter. c. Create an allow filter. d. Create a Vendor Class.
b. Create a deny filter.
Which of the following is not part of a DHCPv6 scope configuration? a. Prefix b. Default gateway c. Preference d. Scope lease
b. Default gateway
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 b. Exclusion range c. Deny filters d. DHCP policy
b. Exclusion range
You have just installed a DHCP server and created a new scope with the default options. A DHCP client leases an IP address a 8:00 AM on Monday, February 3rd. When will the client lease expire if it is never renewed? a. Later that day at 4:00 PM b. February 11 at 8:00 AM c. Tuesday, February 4 at 8:00 AM d. February 6 at 4:00 PM
b. February 11 at 8:00 AM
Which of the following are criteria you can use with conditions in DHCP policies? (Choose all that apply.) a. SSID b. MAC address c. Vendor Class d. OS version
b. MAC address c. Vendor Class
What term describes the problem that occurs when a non-Windows computer registers a name with DNS that is already used by a Windows computer on the network? a. Name collision b. Name squatting c. Name stealing d. Name redundancy
b. Name squatting
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. Delete the dhcp.mdb file and click Refresh. b. Reconcile the scopes. c. Back-up and restore the database. d. Create a deny filter for the leases that look wrong.
b. Reconcile the scopes.
How does a DHCP server respond to an IP request that can not be removed? a. The server sends a DHCPACK b. The server sends a DHCPNACK c. The server does not respond d. The server forwards the request
b. The server sends a DHCPNACK
What is the default prefix used by a Link-Local IPv6 address? a. fda b. fe80:: c. fc00 d. fd00
b. fe80::
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.
c. Authorize the server.
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 failover. b. Disable the scope. c. Configure bindings. d. Create a filter for NIC2.
c. Configure bindings.
After authorizing a new DHCP server, what must you do to ensure that the DHCP server can release IP addresses to the clients on the network? a. Create a reservation b. Create a filter c. Create a scope d. Create Server Options e. Create a policy
c. Create a scope
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. DHCPNAK c. DHCPINFORM d. DHCPRELEASE
c. DHCPINFORM
What message type does a server send if it cannot fulfill a request for renewal? a. DHCPDECLINE b. DHCPACK c. DHCPNAK d. DHCPRELEASE
c. DHCPNAK
Which of the following defines the maximum amount of time that a DHCP server can extend a lease for a DHCP client without the partner server's knowledge? a. Message authentication b. State switchover interval c. Maximum client lead time d. Load balancing percentage
c. Maximum client lead time
You have installed a streaming video service on your network. You want selected hosts to be able to access this service via a dynamically assigned class D IP address. What do you need to configure? a. Superscope b. IPv6 Autoconfiguration c. Multicast scope d. Relay agent
c. Multicast scope
Which DHCP options allow the assigning of IP address options based on client properties such as device type, Mac address, and OS? a. Server options b. Scope options c. Policy options d. Client options
c. Policy options
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 time to these mobile devices? a. Reservation options b. Scope options c. Policy options d. Filter options
c. Policy options
What should you create if you need to service multiple IPv4 subnets on a single physical network? a. Split scope b. Relay agent c. Superscope d. Multicast server
c. Superscope
After creating a scope with the DHCP Options, what is the next immediate action that you must perform so that the clients can obtain the IP addresses? a. Restart the DHCP service b. Activate the Server Options c. Create a reservation d. Activate the scope
d. Activate the scope
What is the term for the scope composed of multicast addresses intended to be used on a private network? a. Superscope b. Multicast scope c. Private scope d. Administrative scope
d. Administrative scope
Which of the following is a DHCP high-availability option that includes hot standby mode? a. DHCP split scope b. DHCP Load balancing c. Superscopes d. DHCP failover
d. DHCP failover
At which step of the DHCP assignment process does the server send default gateway and DNS server addresses? a. DHCPDISCOVER b. DHCPOFFER c. DHCPREQUEST d. DHCPACK
d. DHCPACK
What scope options can stop an address from being given to a specified MAC address? a. DHCPDECLINE b. MAC screening c. Policies d. Deny filter
d. Deny filter
The DHCP options defined at what level take precedence over all other levels? a. Server options b. Scope options c. Policy options d. Reservation options
d. Reservation options
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. Add another DHCP server. Using the split scope wizard, split the existing scope with the new server and assign each server 100% of the addresses. b. Create a new scope with start address 192.168.1.1, end address 192.168.2.200, and prefix length 16. c. 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. d. 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.
d. 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.
In a new failover relationship in the Load Balancing mode, what is the default load split between both the servers? a. Local - 60Partner - 40 b. Local - 70Partner - 30 c. Local - 80Partner - 20 d. Local - 50Partner - 50
d. Local - 50Partner - 50
You have defined a scope on your DHCP server with the start address 172.16.1.1, end address 172.16.1.200, and prefix length 16. You want to create another scope on the server. Which of the following is a valid scope you can create on this server? a. Start address 172.19.1.1, end address 172.19.1.255, prefix length 24. b. Start address 172.16.2.1, end address 172.19.2.100, prefix length 16. c. Start address 172.31.0.1, end address 172.31.1.254, prefix length 8. d. Start address 172.17.1.1, end address 172.17.1.200, prefix length 16.
d. Start address 172.17.1.1, end address 172.17.1.200, prefix length 16.
What should you create if you need to service multiple IPv4 subnets on a single physical network? a. Relay agent b. Split scope c. Multicast server d. Superscope
d. Superscope
In the DHCP server's statistics, you notice that a lot of DHCPNAK packets have been transmitted. What's the most likely reason? a. The server is offerning a lot of addresses that are already in use. b. Client computers are getting multiple offers when they request an address. c. The DHCP server has benn taken offline. d. You change the range of addresses in a scope recently.
d. You change the range of addresses in a scope recently.
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. Scope options b. Reservation options c. Policy options d. Filter options
c. Policy options
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. Superscope b. Multicast scope c. Split scope d. Failover
c. Split scope
What's the default lease duration on a Windows DHCP server? a. 8 days b. 16 hours c. 8 hours d. 16 minutes
a. 8 days
You have four printers that are accessed via their IP addresses. You want to be able to use DHCP to assign addresses to the printers, but you want to make sure they always have the same address. What's the best option? a. Create reservations b. Create exclusions c. Configure filters d. Configure policies
a. Create reservations
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. Export-DhcpServer -File Dhcp.xml -Leases b. netsh dhcp server export Dhcp.txt all c. netsh dhcp server import C:\Dhcp.txt all d. Import-Dhcp -File C:\Dhcp.xml -Leases
a. Export-DhcpServer -File Dhcp.xml -Leases
Which high-availability strategy has one server providing all DHCP services and another server as a standby if the first server fails? a. Hot standby b. Load balancing c. Scope splitting d. Clustering
a. Hot standby
What would be the mandatory information that you will require when creating a reservation for a client? [Choose all that apply.] a. MAC address b. Domain name c. IP address d. Reservation name e. Domain controller name
a. MAC address c. IP address d. Reservation name
What do you configure if you need to assign addresses dynamically to applications or services that need a class D IP address? a. Multicast scope b. IPv6 relay c. Dynamic scope d. Autoconfiguration
a. Multicast scope
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. 006 DNS Servers b. 015 DNS Domain name c. 003 Router d. 044 WINS/NBNS Servers
b. 015 DNS Domain name
You have four printers that are accessed via their IP addresses. You want to be able to use DHCP to assign addresses to the printers, but you want to make sure they always have the same address. What's the best option? a. Configure filters. b. Configure policies. c. Create reservations. d. Create exclusions.
c. Create reservations.
What is a device that can listen for broadcast DHCP messages and forward them to a DHCP server on another subnet? a. DHCP repeater b. DHCP router c. DHCP relay agent d. DHCP switch
c. DHCP relay agent
Some of your non-Windows clients aren't registering their hostnames with the DNS server. You don't require secure updates on the DNS server. What option should you configure on the DHCP server so that non-Windows clients names are registered? a. Update DNS records dynamically only if requested by the DHCP clients. b. Always dynamically update DNS records. c. Update DNS records dynamically for DHCP clients that don't request updates. d. Configure name protection.
c. Update DNS records dynamically for DHCP clients that don't request updates.
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. Power cycle the DHCP Server immediately. c. Verify that the DHCP server is authorized. d. Verify the scope is not corrupted.
c. Verify that the DHCP server is authorized. d. Verify the scope is not corrupted.
At what point does a client send a unicast packet to the DHCP server to request a lease renewal for its current IP address? a. After 2 hours b. After 4 hours c. When the lease is 50% expired d. When the lease is 80% expired
c. When the lease is 50% expired
When using WDS, what two DHCP server options must be configured if the DHCP server is on a different server or different subnet from the WDS server? a. 060 and 067 b. 030 and 065 c. 040 and 065 d. 066 and 067
d. 066 and 067
What is the default IP address lease period for a client on the network? a. 10 days b. 5 days c. 3 days d. 8 days
d. 8 days