CCNA 2 Chapter 10

CCNA 2 Chapter 10 v5.0 Exam Answers 2013

1

Refer to the exhibit. What should be done to allow PC-A to receive an IPv6 address from the DHCPv6 server?
Add the IPv6 address 2001:DB8:1234:5678::10/64 to the interface configuration of the DHCPv6 server.
Configure the ipv6 nd managed-config-flag command on interface Fa0/1.
Change the ipv6 nd managed-config-flag command to ipv6 nd other-config-flag.
Add the ipv6 dhcp relay command to interface Fa0/0.*
2
What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?
for routers to fill their routing tables with this new information
to notify other hosts not to request the same IP address
to notify other DHCP servers on the subnet that the IP address was leased*
for hosts on other subnets to receive the information
3
A 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?
FF-FF-FF-FF-FF-FF and 255.255.255.255*
MAC address of the DHCP server and 255.255.255.255
FF-FF-FF-FF-FF-FF and IPv4 address of the DHCP server
both MAC and IPv4 addresses of the DHCP server
4
Fill in the blank. Do not abbreviate.
Type a command to exclude the first fifteen useable IP addresses from a DHCPv4 address pool of the network 10.0.15.0/24.
Router(config)# ip dhcp ” excluded-address 10.0.15.1 10.0.15.15”
5

Place the options in the following order:
[+] enabled in RA messages with the ipv6 nd other-config-flag command
[+] clients send only DHCPv6 INFORMATION-REQUEST messages to the server
[+] enabled on the client with the ipv6 address autoconfig command
[#] the M flag is set to 1 in RA messages
[#] uses the address command to create a pool of addresses for clients
[#] enabled on the client with the ipv6 address dhcp command [+] Order does not matter within this group.
[#] Order does not matter within this group.
6

Refer 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?
The router is configured for stateless DHCPv6 operation.*
No virtual link-local address is configured.
The router is configured for SLAAC DHCPv6 operation.
The Duplicate Address Detection feature is disabled.
7
A 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?
Issue the ipconfig/release command on each client.
Issue the show ip dhcp binding command on the switch.
Issue the show interface command on the router to confirm that the LAN gateway is operational.
Confirm that ports on the Layer 2 LAN switch are configured as edge ports.*
8
A 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?
It should use the information that is contained in the RA message exclusively.
It should contact a DHCPv6 server for the prefix, the prefix-length information, and an interface ID that is both random and unique.
It should use the information that is contained in the RA message and contact a DHCPv6 server for additional information.*
It should contact a DHCPv6 server for all the information that it needs.
9
Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host?
UDP
ICMPv6*
ARPv6
DHCPv6
10
A 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?
Clients must use the prefix and prefix length that are provided by a DHCPv6 server and generate a random interface ID.
Clients must use the information that is contained in RA messages.
Clients must use the prefix and prefix length that are provided by RA messages and obtain additional information from a DHCPv6 server.
Clients must use all configuration information that is provided by a DHCPv6 server.*
11
Under which two circumstances would a router usually be configured as a DHCPv4 client? (Choose two.)
The router is meant to provide IP addresses to the hosts.
The router has a fixed IP address.
The router is intended to be used as a SOHO gateway.*
The administrator needs the router to act as a relay agent.
This is an ISP requirement.*
12
A company uses the SLAAC method to configure IPv6 addresses for the employee workstations. Which address will a client use as its default gateway?​
the unique local address of the router interface that is attached to the network
the global unicast address of the router interface that is attached to the network
the link-local address of the router interface that is attached to the network*
the all-routers multicast address
13

Refer to the exhibit. Based on the output that is shown, what kind of IPv6 addressing is being configured?
static link-local
stateful DHCPv6
stateless DHCPv6*
SLAAC
14
A 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?
DHCPv6 INFORMATION-REQUEST*
DHCPv6 ADVERTISE
DHCPv6 REQUEST
DHCPv6 SOLICIT
15
An administrator issues the commands:
Router(config)# interface g0/1
Router(config-if)# ip address dhcp
What is the administrator trying to achieve?
configuring the router to obtain IP parameters from a DHCPv4 server*
configuring the router to act as a relay agent
configuring the router to resolve IP address conflicts
configuring the router to act as a DHCPv4 server
16
Which 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?
dhcp 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
ip 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
ip 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 ************************
ip 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
17
Which DHCPv4 message will a client send to accept an IPv4 address that is offered by a DHCP server?
broadcast DHCPACK
unicast DHCPACK
broadcast DHCPREQUEST*
unicast DHCPREQUEST
18

Launch PT Hide and Save PT
Open 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.)
one pool*
three leases*
two pools
six pools
seven leases
five leases
19

Refer 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?
The DNS server address is not on the same network as the clients are on.
The clients cannot communicate with the DHCPv6 server, evidenced by the number of active clients being 0.
The GigabitEthernet interface is not activated.
The router is configured for SLAAC DHCPv6 operation.*
20
A 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?
Issue the command ip helper-address 10.10.100.0 on the router interface that is the 10.10.200.0/24 gateway.
Issue the command default-router 10.10.200.10 at the DHCP configuration prompt on the 10.10.100.0/24 LAN gateway router.
Issue the command ip helper-address 10.10.200.10 on the router interface that is the 10.10.100.0/24 gateway.*
Issue 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.
21
Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?
pre-allocation
manual allocation
automatic allocation
dynamic allocation*
22

Place the options in the following order:
[+] Step 2
[+] Step 1
– not scored –
[+] Step 3
– not scored -
[+] Order does not matter within this group.
23
An 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?
RA and EUI-64
stateful DHCPv6
stateless DHCPv6*
SLAAC
24
A 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?​
R1(config-if)# ipv6 nd other-config-flag
R1(config-if)# ipv6 enable
R1(config)# ipv6 dhcp pool <name of the pool>
R1(config)# ipv6 unicast-routing*

CCNA 2 Chapter 10,ccna 2,ccna 2 chapter 10 exam answers 2013,ccna 2 chapter 10 answers,CCNA 2 Chapter 3 v5.0 Exam Answers 2013,

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CCNA 2 Chapter 3 v5.0 Exam Answers 2013

1
A network administrator is determining the best placement of VLAN trunk links. Which two types of point-to-point connections utilize VLAN trunking?​ (Choose two.)
between two switches that share a common VLAN
between a switch and a server that has an 802.1Q NIC*
between a switch and a client PC
between a switch and a network printer
between two switches that utilize multiple VLANs*
2
What happens to a port that is associated with VLAN 10 when the administrator deletes VLAN 10 from the switch?
The port automatically associates itself with the native VLAN.
The port creates the VLAN again.
The port goes back to the default VLAN.
The port becomes inactive.*
3

Refer to the exhibit. Interface Fa0/1 is connected to a PC. Fa0/2 is a trunk link to another switch. All other ports are unused. Which security best practice did the administrator forget to configure?Configure all unused ports to a ‘black-hole’ VLAN that is not used for anything on the network.
Disable autonegotiation and set ports to either static access or static trunk.
Change the native VLAN to a fixed VLAN that is distinct from all user VLANs and to a VLAN number that is not VLAN 1.
All user ports are associated with VLANs distinct from VLAN 1 and distinct from the ‘black-hole’ VLAN.*
4
Which command is used to remove only VLAN 20 from a switch?
no switchport access vlan 20
delete flash:vlan.dat
no vlan 20*
delete vlan.dat
5
A Cisco Catalyst switch has been added to support the use of multiple VLANs as part of an enterprise network. The network technician finds it necessary to clear all VLAN information from the switch in order to incorporate a new network design. What should the technician do to accomplish this task?
Erase the startup configuration and reboot the switch.
Erase the running configuration and reboot the switch.
Delete the startup configuration and the vlan.dat file in the flash memory of the switch and reboot the switch.*
Delete the IP address that is assigned to the management VLAN and reboot the switch.
6
What is the effect of issuing a switchport access vlan 20 command on the Fa0/18 port of a switch that does not have this VLAN in the VLAN database?
VLAN 20 will be created automatically.*
The command will have no effect on the switch.
Port Fa0/18 will be shut down.
An error stating that VLAN 20 does not exist will be displayed and VLAN 20 is not created.
7
Which command displays the encapsulation type, the voice VLAN ID, and the access mode VLAN for the Fa0/1 interface?
show mac address-table interface Fa0/1
show interfaces Fa0/1 switchport*
show interfaces trunk
show vlan brief
8

Place the options in the following order:
- not scored -
dynamic auto
nonegotiate
dynamic desirable
trunk
9
Port Fa0/11 on a switch is assigned to VLAN 30. If the command no switchport access vlan 30 is entered on the Fa0/11 interface, what will happen?
Port Fa0/11 will be returned to VLAN 1.*
VLAN 30 will be deleted.
An error message would be displayed.
Port Fa0/11 will be shutdown.
10
What must the network administrator do to remove Fast Ethernet port fa0/1 from VLAN 2 and assign it to VLAN 3?
Enter the no vlan 2 and the vlan 3 commands in global configuration mode.
Enter the switchport trunk native vlan 3 command in interface configuration mode.
Enter the switchport access vlan 3 command in interface configuration mode.*
Enter the no shutdown in interface configuration mode to return it to the default configuration and then configure the port for VLAN 3.
11
Which two Layer 2 security best practices would help prevent VLAN hopping attacks? (Choose two.)
Disable DTP autonegotiation on end-user ports.*
Change the management VLAN to a distinct VLAN that is not accessible by regular users.
Statically configure all ports that connect to end-user host devices to be in trunk mode.
Change the native VLAN number to one that is distinct from all user VLANs and is not VLAN 1.*
Use SSH for all remote management access.
12
In a basic VLAN hopping attack, which switch feature do attackers take advantage of?
automatic encapsulation negotiation
the default automatic trunking configuration*
an open Telnet connection
forwarding of broadcasts
13
A Cisco switch currently allows traffic tagged with VLANs 10 and 20 across trunk port Fa0/5. What is the effect of issuing a switchport trunk allowed vlan 30 command on Fa0/5?
It allows only VLAN 30 on Fa0/5.*
It allows a native VLAN of 30 to be implemented on Fa0/5.
It allows VLANs 1 to 30 on Fa0/5.
It allows VLANs 10, 20, and 30 on Fa0/5.
14

Refer to the exhibit. A frame is traveling between PC-A and PC-B through the switch. Which statement is true concerning VLAN tagging of the frame?
No VLAN tag is added to the frame.*
A VLAN tag is added when the frame is accepted by the switch.
A VLAN tag is added when the frame is forwarded out the port to PC-B.
A VLAN tag is added when the frame leaves PC-A.
15

Refer to the exhibit. PC-A and PC-B are both in VLAN 60. PC-A is unable to communicate with PC-B. What is the problem?
The native VLAN is being pruned from the link.
The VLAN that is used by PC-A is not in the list of allowed VLANs on the trunk.*
The trunk has been configured with the switchport nonegotiate command.
The native VLAN should be VLAN 60.
16
What VLANs are allowed across a trunk when the range of allowed VLANs is set to the default value?
All VLANs will be allowed across the trunk.*
Only the native VLAN will be allowed across the trunk.
The switches will negotiate via VTP which VLANs to allow across the trunk.
Only VLAN 1 will be allowed across the trunk.
17
Under which two occasions should an administrator disable DTP while managing a local area network? (Choose two.)
on links that should not be trunking*
when connecting a Cisco switch to a non-Cisco switch*
on links that should dynamically attempt trunking
when a neighbor switch uses a DTP mode of dynamic auto
when a neighbor switch uses a DTP mode of dynamic desirable
18

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which PCs will receive the broadcast sent by PC-C?
PC-D, PC-E*
PC-A, PC-B, PC-D, PC-E
PC-A, PC-B
PC-A, PC-B, PC-D, PC-E, PC-F
PC-A, PC-B, PC-E
19
Which two statements are true about VLAN implementation? (Choose two.)
The network load increases significantly because of added trunking information.
Devices in one VLAN do not hear the broadcasts from devices in another VLAN.*
The size of the collision domain is reduced.
VLANs logically group hosts, regardless of physical location.*
The number of required switches in a network decreases.
20

Refer to the exhibit. DLS1 is connected to another switch, DLS2, via a trunk link. A host that is connected to DLS1 is not able to communicate to a host that is connected to DLS2, even though they are both in VLAN 99. Which command should be added to Fa0/1 on DLS1 to correct the problem?
switchport trunk allowed vlan add 99
switchport trunk native vlan 66*
switchport mode dynamic auto
switchport nonegotiate
21
Which switch feature ensures that no unicast, multicast, or broadcast traffic is passed between ports that are configured with this feature?
switch port security
PVLAN protected port*
ACL
VLAN
22
Fill in the blank. Use the full command syntax.
The ” show vlan brief ” command displays the VLAN assignment for all ports as well as the existing VLANs on the switch.
23
Which three statements accurately describe VLAN types? (Choose three).
An 802.1Q trunk port, with a native VLAN assigned, supports both tagged and untagged traffic.*
A management VLAN is any VLAN that is configured to access management features of the switch.*
A data VLAN is used to carry VLAN management data and user-generated traffic.
Voice VLANs are used to support user phone and e-mail traffic on a network.
VLAN 1 is always used as the management VLAN.
After the initial boot of an unconfigured switch, all ports are members of the default VLAN.*
24
Which command should the network administrator implement to prevent the transfer of DTP frames between a Cisco switch and a non-Cisco switch?
S1(config-if)# switchport mode trunk
S1(config-if)# switchport mode access
S1(config-if)# switchport nonegotiate*
S1(config-if)# switchport mode dynamic desirable
S1(config-if)# switchport trunk allowed vlan none

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Tags :  ccna, ccna cisco, ccna 2, correction ccna, CCNA 2 Chapter 3 v5.0 Exam Answers 2013, Cisco,

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