12-10

1. 1Refer to the exhibit. What should be done to allow PC-A to receive an IPv6 address from the DHCPv6 server?

   1. AAdd the IPv6 address 2001:DB8:1234:5678::10/64 to the interface configuration of the DHCPv6 server.
   2. BConfigure the ipv6 nd managed-config-flag command on interface Fa0/1.
   3. CChange the ipv6 nd managed-config-flag command to ipv6 nd other-config-flag.
   4. DAdd the ipv6 dhcp relay command to interface Fa0/0.
2. 2What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?

   1. Afor routers to fill their routing tables with this new information
   2. Bto notify other hosts not to request the same IP address
   3. Cto notify other DHCP servers on the subnet that the IP address was leased
   4. Dfor hosts on other subnets to receive the information
3. 3A company uses DHCP servers to dynamically assign IPv4 addresses to employee workstations. The address lease duration is set as 5 days. An employee returns to the office after an absence of one week. When the employee boots the workstation, it sends a message to obtain an IP address. Which Layer 2 and Layer 3 destination addresses will the message contain?

   1. AFF-FF-FF-FF-FF-FF and 255.255.255.255
   2. BMAC address of the DHCP server and 255.255.255.255
   3. CFF-FF-FF-FF-FF-FF and IPv4 address of the DHCP server
   4. Dboth MAC and IPv4 addresses of the DHCP server
4. 4Refer to the exhibit. A network administrator is implementing stateful DHCPv6 operation for the company. However, the clients are not using the prefix and prefix-length information that is configured in the DHCP pool. The administrator issues a show ipv6 interface command. What could be the cause of the problem?

   1. AThe router is configured for stateless DHCPv6 operation.
   2. BNo virtual link-local address is configured.
   3. CThe router is configured for SLAAC DHCPv6 operation.
   4. DThe Duplicate Address Detection feature is disabled.
5. 5A network engineer is troubleshooting hosts on a LAN that are not being assigned an IPv4 address from a DHCP server after a new Ethernet switch has been installed on the LAN. The configuration of the DHCP server has been confirmed as correct and the clients have network connectivity to other networks if a static IP address is configured on each one. What step should the engineer take next to solve the issue?
   

   1. AIssue the ipconfig/release command on each client.
   2. BIssue the show ip dhcp binding command on the switch.
   3. CIssue the show interface command on the router to confirm that the LAN gateway is operational.
   4. DConfirm that ports on the Layer 2 LAN switch are configured as edge ports.
6. 6A network administrator configures a router to send RA messages with M flag as 0 and O flag as 1. Which statement describes the effect of this configuration when a PC tries to configure its IPv6 address?

   1. AIt should use the information that is contained in the RA message exclusively.
   2. BIt should contact a DHCPv6 server for the prefix, the prefix-length information, and an interface ID that is both random and unique.
   3. CIt should use the information that is contained in the RA message and contact a DHCPv6 server for additional information.
   4. DIt should contact a DHCPv6 server for all the information that it needs.
7. 7Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?

   1. AUDP
   2. BICMPv6
   3. CARPv6
   4. DDHCPv6
8. 8A network administrator is implementing DHCPv6 for the company. The administrator configures a router to send RA messages with M flag as 1 by using the interface command ipv6 nd managed-config-flag. What effect will this configuration have on the operation of the clients?

   1. AClients must use the prefix and prefix length that are provided by a DHCPv6 server and generate a random interface ID.
   2. BClients must use the information that is contained in RA messages.
   3. CClients must use the prefix and prefix length that are provided by RA messages and obtain additional information from a DHCPv6 server.
   4. DClients must use all configuration information that is provided by a DHCPv6 server.
9. 9Under which two circumstances would a router usually be configured as a DHCPv4 client? (Choose two.)

   1. AThe router is meant to provide IP addresses to the hosts.
   2. BThe router has a fixed IP address.
   3. CThe router is intended to be used as a SOHO gateway.
   4. DThe administrator needs the router to act as a relay agent.
   5. EThis is an ISP requirement.
10. 10A company uses the SLAAC method to configure IPv6 addresses for the employee workstations. Which address will a client use as its default gateway?​

    1. Athe unique local address of the router interface that is attached to the network
    2. Bthe global unicast address of the router interface that is attached to the network
    3. Cthe link-local address of the router interface that is attached to the network
    4. Dthe all-routers multicast address

11. 11Refer to the exhibit. Based on the output that is shown, what kind of IPv6 addressing is being configured?

    1. Astatic link-local
    2. Bstateful DHCPv6
    3. Cstateless DHCPv6
    4. DSLAAC
12. 12A company implements the stateless DHCPv6 method for configuring IPv6 addresses on employee workstations. After a workstation receives messages from multiple DHCPv6 servers to indicate their availability for DHCPv6 service, which message does it send to a server for configuration information?

    1. ADHCPv6 INFORMATION-REQUEST
    2. BDHCPv6 ADVERTISE
    3. CDHCPv6 REQUEST
    4. DDHCPv6 SOLICIT
13. 13An administrator issues the commands:
    
    Router(config)# interface g0/1
    
    Router(config-if)# ip address dhcp
    
    What is the administrator trying to achieve?

    1. Aconfiguring the router to obtain IP parameters from a DHCPv4 server
    2. Bconfiguring the router to act as a relay agent
    3. Cconfiguring the router to resolve IP address conflicts
    4. Dconfiguring the router to act as a DHCPv4 server
14. 14Which set of commands will configure a router as a DHCP server that will assign IPv4 addresses to the 192.168.100.0/23 LAN while reserving the first 10 and the last addresses for static assignment?

    1. Adhcp pool LAN-POOL-100
       
       ip dhcp excluded-address 192.168.100.1 192.168.100.9
       
       ip dhcp excluded-address 192.168.100.254
       
       network 192.168.100.0 255.255.254.0
       
       default-router 192.168.101.1
    2. Bip dhcp excluded-address 192.168.100.1 192.168.100.9
       
       ip dhcp excluded-address 192.168.101.254
       
       ip dhcp pool LAN-POOL-100
       
       ip network 192.168.100.0 255.255.254.0
       
       ip default-gateway 192.168.100.1
    3. Cip dhcp excluded-address 192.168.100.1 192.168.100.10
       
       ip dhcp excluded-address 192.168.101.254
       
       ip dhcp pool LAN-POOL-100
       
       network 192.168.100.0 255.255.254.0
       
       default-router 192.168.100.1
    4. Dip dhcp excluded-address 192.168.100.1 192.168.100.10
       
       ip dhcp excluded-address 192.168.100.254
       
       ip dhcp pool LAN-POOL-100
       
       network 192.168.100.0 255.255.255.0
       
       ip default-gateway 192.168.100.1
15. 15Which DHCPv4 message will a client send to accept an IPv4 address that is offered by a DHCP server?

    1. Abroadcast DHCPACK
    2. Bunicast DHCPACK
    3. Cbroadcast DHCPREQUEST
    4. Dunicast DHCPREQUEST
16. 16Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
    
    How many IP addresses has the DHCP server leased and what is the number of DHCP pools configured? (Choose two.)

    1. Aone pool
    2. Bthree leases
    3. Ctwo pools
    4. Dsix pools
    5. Eseven leases
    6. Ffive leases
17. 17Refer to the exhibit. A network administrator is implementing the stateless DHCPv6 operation for the company. Clients are configuring IPv6 addresses as expected. However, the clients are not getting the DNS server address and the domain name information configured in the DHCP pool. What could be the cause of the problem?

    1. AThe DNS server address is not on the same network as the clients are on.
    2. BThe clients cannot communicate with the DHCPv6 server, evidenced by the number of active clients being 0.
    3. CThe GigabitEthernet interface is not activated.
    4. DThe router is configured for SLAAC DHCPv6 operation.
18. 18A host on the 10.10.100.0/24 LAN is not being assigned an IPv4 address by an enterprise DHCP server with the address 10.10.200.10/24. What is the best way for the network engineer to resolve this problem?

    1. AIssue the command ip helper-address 10.10.100.0 on the router interface that is the 10.10.200.0/24 gateway.
    2. BIssue the command default-router 10.10.200.10 at the DHCP configuration prompt on the 10.10.100.0/24 LAN gateway router.
    3. CIssue the command ip helper-address 10.10.200.10 on the router interface that is the 10.10.100.0/24 gateway.
    4. DIssue the command network 10.10.200.0 255.255.255.0 at the DHCP configuration prompt on the 10.10.100.0/24 LAN gateway router.
19. 19Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?

    1. Apre-allocation
    2. Bmanual allocation
    3. Cautomatic allocation
    4. Ddynamic allocation
20. 20An administrator wants to configure hosts to automatically assign IPv6 addresses to themselves by the use of Router Advertisement messages, but also to obtain the DNS server address from a DHCPv6 server. Which address assignment method should be configured?

    1. ARA and EUI-64
    2. Bstateful DHCPv6
    3. Cstateless DHCPv6
    4. DSLAAC
21. 21A company uses the method SLAAC to configure IPv6 addresses for the workstations of the employees. A network administrator configured the IPv6 address on the LAN interface of the router. The interface status is UP. However, the workstations on the LAN segment did not obtain the correct prefix and prefix length. What else should be configured on the router that is attached to the LAN segment for the workstations to obtain the information?​

    1. AR1(config-if)# ipv6 nd other-config-flag
    2. BR1(config-if)# ipv6 enable
    3. CR1(config)# ipv6 dhcp pool <name of the pool>
    4. DR1(config)# ipv6 unicast-routing

Descripción

Test sobre 12-10, creado por Basil2015 el 16/04/2015.

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Basil2015

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Creado el 16 abr 2015 · actualizado el 19 feb 2016

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