Switching, Routing and Wireless Essentials ( version 7.00)
Available and Reliable Networks Exam - CCNA2 Modules 7 - 9 Exam
Switching, Routing and Wireless Essentials ( version 7.00)
Available and Reliable Networks Exam - CCNA2 Modules 7 - 9 Exam
A
DHCP-enabled client PC has just booted. During which two steps will the
client PC use broadcast messages when communicating with a DHCP server?
(Choose two.) |
DHCPDISCOVER DHCPREQUEST |
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 |
When
a client is requesting an initial address lease from a DHCP server, why is
the DHCPREQUEST message sent as a broadcast? |
The client
may have received offers from multiple servers, and the broadcast serves to
implicitly decline those other offers |
Which
DHCP IPv4 message contains the following information? Destination
address: 255.255.255.255 |
DHCPDISCOVER |
Place the options in the following order: |
|
a
client initiating a message to find a DHCP server |
DHCPDISCOVER |
a
DHCP server responding to the initial request by a client |
DHCPOFFER |
the
client accepting the IP address provided by the DHCP server |
DHCPREQUEST |
the
DHCP server confirming that the lease has been accepted |
DHCPACK |
Which
protocol automates assignment of IP addresses on a network, and which port
number does it use? (Choose two) |
DHCP 67 |
Refer
to the exhibit. PC1 is configured to obtain a dynamic IP address from the
DHCP server. PC1 has been shut down for two weeks. When PC1 boots and tries
to request an available IP address, which destination IP address will PC1
place in the IP header? |
255.255.255.255 |
Which
message does an IPv4 host use to reply when it receives a DHCPOFFER message
from a DHCP server? |
DHCPREQUEST |
Which
command, when issued in the interface configuration mode of a router, enables
the interface to acquire an IPv4 address automatically from an ISP, when that
link to the ISP is enabled? |
ip address
dhcp |
Which
kind of message is sent by a DHCP client when its IP address lease has
expired? |
a DHCPREQUEST
unicast message |
A
host PC is attempting to lease an address through DHCP. What message is sent
by the server to let the client know it is able to use the provided IP
information? |
DHCPACK |
What
is one indication that a Windows computer did not receive an IPv4 address
from a DHCP server? |
The computer
receives an IP address that starts with 169.254. |
Which
DHCPv4 message will a client send to accept an IPv4 address that is offered
by a DHCP server? |
broadcast
DHCPREQUEST |
A
small coffee shop is offering free Wi-Fi to customers. The network includes a
wireless router and a DSL modem that is connected to the local phone company.
What method is typically used to configure the connection to the phone
company? |
Set the WAN
connection in the wireless router as a DHCP client. |
A
company uses DHCP to manage IP address deployment for employee workstations.
The IT department deploys multiple DHCP servers in the data center and uses
DHCP relay agents to facilitate the DHCP requests from workstations. Which
two UDP ports are used to forward DHCP traffic? (Choose two) |
67 68 |
A
client device on an Ethernet segment needs an IP address in order to
communicate on the network. A DHCP server with IP address 192.168.1.1 has
been configured and enabled on the network. How will a client device obtain a
usable IP address for this network? |
Send a
DHCPDISCOVER message to physical address FF-FF-FF-FF-FF-FF |
What
is an advantage of configuring a Cisco router as a relay agent? |
It can
provide relay services for multiple UDP services |
Which
statement is true about DHCP operation? |
When a device
that is configured to use DHCP boots, the client broadcasts a DHCPDISCOVER
message to identify any available DHCP servers on the network |
Order
the DHCP message types as they would occur between a DHCP client and a DHCP
server. |
DHCPDISCOVER DHCPOFFER DHCPREQUEST DHCPACK |
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 and contact a DHCPv6
server for additional information |
Refer
to the exhibit. What should be done to allow PC-A to receive an IPv6 address
from the DHCPv6 server? |
Add
the ipv6 dhcp relay command to interface Fa0/0 |
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 router is
configured for SLAAC operation |
Match the DHCP message types to the order of the stateful DHCPv6
process when a client first connects to an IPv6 network. (Not all options are
used.) |
|
STEP
1 |
DHCPv6
Solicit |
STEP
2 |
DHCPv6
Advertise |
STEP
3 |
DHCPv6
Request |
STEP
4 |
DHCPv6 Reply |
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
link-local address of the router interface that is attached to the network |
Refer
to the exhibit. A network administrator is configuring a router for DHCPv6
operation. Which conclusion can be drawn based on the commands? |
The router is
configured for stateless DHCPv6 operation |
A
network administrator is analyzing the features that are supported by
different first-hop router redundancy protocols. Which statement describes a
feature that is associated with HSRP? |
HSRP uses
active and standby routers. |
Refer
to the exhibit. What protocol can be configured on gateway routers R1 and R2
that will allow traffic from the internal LAN to be load balanced across the
two gateways to the Internet? |
GLBP |
Refer
to the exhibit. A network engineer is troubleshooting host connectivity on a
LAN that uses a first hop redundancy protocol. Which IPv4 gateway address
should be configured on the host |
192.168.2.100 |
Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway? |
MAC address
of the virtual router |
Match the step number to the sequence of stages that occur during the
HSRP failover process. (Not all options are used.) |
|
STEP
1 |
The
forwarding router fails |
STEP
2 |
The standby
router stops seeing hello messages from the forwarding router |
STEP
3 |
The standby
router assumes the role of the forwarding router |
STEP
4 |
The new
forwarding router assumes both the IP and MAC addresses of the virtual router |
Which
FHRP implementation is a Cisco-proprietary protocol that suppports IPv4 load
sharing? |
GLBP |
The
address pool of a DHCP server is configured with 10.92.71.0/25. The network
administrator reserves 8 IP addresses for servers. How many IP addresses are
left in the pool to be assigned to other hosts? |
118 |
Match the DHCP message types to the order of the DHCPv4 process. (Not
all options are used.) |
|
STEP
1 |
DHCPDISCOVER |
STEP
2 |
DHCPOFFER |
STEP
3 |
DHCPREQUEST |
STEP
4 |
DHCPACK |
After
a host has generated an IPv6 address by using the DHCPv6 or SLAAC process,
how does the host verify that the address is unique and therefore usable? |
The host
sends an ICMPv6 neighbor solicitation message to the DHCP or SLAAC-learned
address and if no neighbor advertisement is returned, the address is
considered unique. |
Which
statement describes HSRP? |
It is used
within a group of routers for selecting an active device and a standby device
to provide gateway services to a LAN. |
Open
the PT Activity. Perform the tasks in the activity instructions and then
answer the question. What
is the keyword that is displayed on www.netacad.com? |
Router |
Match each DHCP message type with its description. (Not all options are
used.) |
|
A
client initiating a message to find a DHCP server |
DHCPDISCOVER |
A
DHCP server responding to the initial request by a client |
DHCPOFFER |
The
client accepting the IP address provided by the DHCP server |
DHCPREQUEST |
The
DCHCP server confirming that the address lease has been accepted |
DHCPACK |
Match the purpose with its DHCP message type. (Not all options are
used.) |
|
a
message that is used to locate any available DCHP server on a network |
DHCPDISCOVER |
a
message that is used to identify the explicit server and lease offer to
accept |
DHCPREQUEST |
a
message that is used to acknowledge that the lease is successful |
DHCPACK |
a
message that is used to suggest lease to a client |
DHCPOFFER |
Match the FHRP protocols to the appropriate description. (Not all
options are used.) |
|
HSRP |
A cisco
proprietary FHRP that provides load sharing in addition to redundancy |
VRRP |
A cisco
proprietary FHRP that provides redundancy through use of an active device and
standby device |
GLBP |
A cisco
proprietary FHRP that provides redundancy through use of a virtual routers
master and one or more backups |
The
address pool of a DHCP server is configured with 192.168.234.0/27. The
network administrator reserves 22 IP addresses for IP phones. How many IP
addresses are left in the pool to be assigned to other hosts? |
8 |
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 |
Which
command will allow a network administrator to check the IP address that is
assigned to a particular MAC address? |
Router# show
ip dhcp binding |
What
is the reason that an ISP commonly assigns a DHCP address to a wireless
router in a SOHO environment? |
easy IP
address management |
What
information can be verified through the show ip dhcp binding command? |
the IPv4
addresses that are assigned to hosts by the DHCP server |
What
is the result of a network technician issuing the command ip dhcp
excluded-address 10.0.15.1 10.0.15.15 on a Cisco router? |
The Cisco
router will exclude 15 IP addresses from being leased to DHCP clients. |
Match the descriptions to the corresponding DHCPv6 server type. (Not
all options are used.) |
|
Stateless
DHCPv6 |
* 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 |
Stateful
DHCPv6 |
* 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 |
Refer
to the exhibit. Based on the output that is shown, what kind of IPv6
addressing is being configured? |
stateless
DHCPv6 |
Which
FHRP implementation is a Cisco-proprietary protocol that suppports IPv6 load
balancing? |
GLBP for IPv6 |
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? |
ip dhcp
excluded-address 192.168.100.1 192.168.100.10 |
What
is a result when the DHCP servers are not operational in a network? |
Workstations
are assigned with IP addresses in the 169.254.0.0/16 network. |
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)#
ipv6 unicast-routing |
Which
FHRP implementation is a nonproprietary protocol which relies on ICMP to
provide IPv4 redundancy? |
IRDP |
Refer
to the exhibit. PC-A is unable to receive an IPv6 address from the stateful
DHCPv6 server. What is the problem? |
The ipv6 dhcp
relay command should be applied to interface Gig0/0. |
Refer
to the exhibit. A network administrator is configuring a router as a DHCPv6
server. The administrator issues a show ipv6 dhcp pool command to verify the
configuration. Which statement explains the reason that the number of active
clients is 0? |
The state is
not maintained by the DHCPv6 server under stateless DHCPv6 operation. |
Which
FHRP implementation is Cisco-proprietary and permits only one router in a
group to forward IPv6 packets? |
HSRP for IPv6 |
Which
FHRP implementation is a nonproprietary IPv4-only election protocol which has
one master router per group? |
VRRPv2 |
The
address pool of a DHCP server is configured with 172.18.93.0/25. The network
administrator reserves 10 IP addresses for web servers. How many IP addresses
are left in the pool to be assigned to other hosts? |
116 |
The
address pool of a DHCP server is configured with 10.3.2.0/24. The network
administrator reserves 3 IP addresses for printers. How many IP addresses are
left in the pool to be assigned to other hosts? |
251 |
The
address pool of a DHCP server is configured with 172.23.143.0/26. The network
administrator reserves 14 IP addresses for file servers. How many IP
addresses are left in the pool to be assigned to other hosts? |
48 |
The
address pool of a DHCP server is configured with 10.7.30.0/24. The network
administrator reserves 5 IP addresses for printers. How many IP addresses are
left in the pool to be assigned to other hosts? |
249 |
Which
FHRP implementation is a nonproprietary IPv4-only election protocol with
limited scalability? |
VRRPv2 |
The
address pool of a DHCP server is configured with 192.168.184.0/26. The
network administrator reserves 18 IP addresses for access points. How many IP
addresses are left in the pool to be assigned to other hosts? |
44 |
The
address pool of a DHCP server is configured with 10.19.44.0/24. The network
administrator reserves 3 IP addresses for servers. How many IP addresses are
left in the pool to be assigned to other hosts? |
251 |
The
address pool of a DHCP server is configured with 10.19.44.0/24. The network
administrator reserves 6 IP addresses for servers. How many IP addresses are
left in the pool to be assigned to other hosts? |
248 |
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