CCNA 3 v5.02 + v5.03 SN Practice Final Exam Answers 2016

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CCNA 3 v5.02 + v5.03 SN Practice Final Exam Answers 2016
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CCNA 3 v5.02 + v5.03 SN Practice Final Exam Answers 2016

Last update Dic. 2016

1. Match the switched LAN problem to the correct symptom. (Not all options are used.)


Refer to the exhibit. What are two consequences of issuing the displayed commands? (Choose two.)

The routing update information is protected against being falsified.*
The key is encrypted with the MD5 hashing algorithm. *
The routing table of R2 will be secured.
OSPF routes will get priority over EIGRP routes going into the routing table.
The overhead of OSPF information exchange will reduce.

What two STP features are incorporated into Rapid PVST+? (Choose two.)

loop guard
BPDU guard
BPDU filter
UplinkFast *

What are two reasons to enable OSPF routing protocol authentication on a network? (Choose two.)

to prevent data traffic from being redirected and then discarded *
to ensure faster network convergence
to provide data security through encryption
to prevent redirection of data traffic to an insecure link *
to ensure more efficient routing


Refer to the exhibit. A network administrator has issued the show ip eigrp neighbors command. What can be concluded from the output?

An EIGRP neighbor with IP address is connected to R1 via serial interface 0/1/0.
If R1 does not receive a Hello packet in 4 seconds from the neighbor with IP, it will declare the neighbor is down.
There is no incoming EIGRP message at this moment.
The first EIGRP neighbor R1 learned about has the IP address*

What are three characteristics of the Cisco IOS Software Release 12.4T train? (Choose three.)

It receives regular software fixes that are synchronized with the 12.4 Mainline train.*
It has a number of embedded technology packages.
It requires the activation of a license.
It is updated with new features and hardware support. *
It is derived from the Cisco IOS Software Release 12.4 Mainline train.*
It has extended maintenance new feature releases approximately every 16 to 20 months.

7. Match the step sequence to the multiarea OSPF route calculation process. (Not all options are used.)


Refer to the exhibit. How did this router learn of the highlighted route in the routing table?

by entering the router configuration mode command default-information originate
by entering the global configuration mode command ip route ip-address
by entering the global configuration mode command ip route interface-type interface-number
by receiving an update from another OSPF router that is running another routing protocol
by receiving an update from another OSPF router that has the default-information originate command configured*

When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.)

designated *

Which method of wireless authentication is currently considered to be the strongest?

WPA2 *
shared key

When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device?


While attending a conference, participants are using laptops for network connectivity. When a guest speaker attempts to connect to the network, the laptop fails to display any available wireless networks. The access point must be operating in which mode?



Fill in the blank.
By default, EIGRP is able to use up to “50 percent of the bandwidth for EIGRP messages on an EIGRP-enabled


Which model and which two characteristics would be more likely to be considered in purchasing an access layer switch, as compared to buying switches that operate at the other layers of the Cisco hierarchical design model? (Choose three.)

PoE *
number of ports *
Catalyst 4500X
Catalyst 2960

What is the purpose of issuing the ip ospf message-digest-key key md5 password command and the area area-id authentication message-digest command on a router?

to facilitate the establishment of neighbor adjacencies
to encrypt OSPF routing updates
to enable OSPF MD5 authentication on a per-interface basis
to configure OSPF MD5 authentication globally on the router*

Which two metric weights are set to one by default when costs in EIGRP are being calculated? (Choose two.)


What are two reasons to install a single 48-port fixed configuration switch, rather than two 24-port fixed configuration switches, in a wiring closet that supports two classrooms? (Choose two.)

more ports available for end devices *
more power provided to each port
higher uplink speeds
reduced power and space requirements *
reduced number of VLANs/broadcast domains

In the Cisco hierarchical design model, which layer is more likely to have a fixed configuration switch than the other layers?

access *

Which step supports disaster recovery and should be performed first when upgrading an IOS system image on a Cisco router?

Delete the current image from flash memory.
Configure the router to load the new image from the TFTP server.
Copy the current image from the router to a TFTP server. *
Use the boot system command to configure the router to load the new image.


Refer to the exhibit. Two routers have been configured to use EIGRP. Packets are not being forwarded between the two routers. What could be the problem?

An incorrect IP address was configured on a router interface. *
The default bandwidth was used on the routers.
The routers were not configured to monitor neighbor adjacency changes.
EIGRP does not support VLSM.


Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?

MAC addresses of both the forwarding and standby routers
MAC address of the forwarding router
MAC address of the standby router
MAC address of the virtual router *


Fill in the blank.
In RSTP, BPDU frames are sent every 2 seconds by default


Refer to the exhibit. Which switching technology would allow data to be transmitted over each access layer switch link and prevent the port from being blocked by spanning tree due to the redundant link?

EtherChannel *

In which mode is the area area-id range address mask command issued when multiarea OSPF summarization is being configured?

global configuration mode
interface configuration mode of all participating interfaces
router configuration mode *
interface configuration mode of area 0 interfaces

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Why are users in the OSPF network not able to access the Internet?

The interface that is connected to the ISP router is down.
The default route is not redistributed correctly from router R1 by OSPF.
The OSPF network statements are misconfigured on the routers R2 and R3.
The OSPF timers that are configured on the routers R1, R2, and R3 are not compatible.
The network statement is misconfigured on the router R1.*

Which statement describes the Autonomous System number that is used in EIGRP?

It identifies the priority of the networks to be included in update packets.
It is associated with the global Autonomous System number that is assigned by IANA.
It specifies the EIGRP routing process on a router. *
It defines the reliability of the EIGRP routing protocol.


Refer to the exhibit. Why are some of the entries marked O IA?

They correspond to entries that are learned from other routing protocols.
They are default routes that are learned from other routing protocols.
They represent summary routes that are internal to the area.
They correspond to entries that are learned from other areas.*

Which command can be issued on a router to display information about the successors and feasible successors for a destination network when EIGRP is used as the routing protocol?

show ip eigrp topology *
show ip protocols
show ip eigrp interfaces
show ip eigrp neighbors

What does an OSPF area contain?

routers that share the same router ID
routers that have the same link-state information in their LSDBs *
routers whose SPF trees are identical
routers that share the same process ID

A network administrator is configuring the authentication for EIGRP routing. The administrator enters these commands:

R1(config)# key chain THE_KEY
R1(config-keychain)# key 1
R1(config-keychain-key)# key-string key123

What is the next step necessary to enable the authentication for EIGRP routing?

Configure an ACL to identify the networks that are participating in EIGRP.
Configure the priority of authentication algorithms to be used.
Configure the authentication in the router eigrp as-number configuration mode.
Configure the authentication on all interfaces that are participating in EIGRP.*

When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?

on *

In wireless networks what is a disadvantage of using mixed mode on an AP?

The wireless network operates slower if one device uses an older standard wireless NIC.*
No encryption can be used by the AP or by the wireless NIC that is attached to the AP.
Devices must be closer to the AP due to the limited distance range.
Only 802.11n wireless NICs can attach to the AP.

The customer of a networking company requires VPN connectivity for workers who must travel frequently. To support the VPN server, the customer router must be upgraded to a new Cisco IOS software version with the Advanced IP Services feature set. What should the field engineer do before copying the new IOS to the router?

Issue the show running-configuration command to determine the features of the currently installed IOS image file.

Issue the show version and the show flash commands to ensure that the router has enough memory and file space to support the new IOS image.*

Delete the currently installed IOS by using the erase flash: command, and reload the router

Set the router to load the new IOS image file directly from the TFTP server on the next reboot.


Refer to the exhibit. A network administrator is verifying the bridge ID and the status of this switch in the STP election. Which statement is correct based on the command output?

The bridge priority of Switch_2 has been lowered to a predefined value to become the root bridge.*
The bridge priority of Switch_2 has been lowered to a predefined value to become the backup root bridge.
The STP instance on Switch_2 is using the default STP priority and the election is based on Switch_2 MAC address.
The STP instance on Switch_2 is failing due to no ports being blocked and all switches believing they are the root.

A network technician is attempting to upgrade an IOS system image on a Cisco 1941 router. Which command should the technician issue to verify the presence of sufficient free space in flash for the new image on the router that is being upgraded?

show file system
show flash0: *
show running-config
show version

When would a network engineer configure an access point with channel bonding?

when trunking is enabled between the access point and switch
when security is an issue
when older wireless NICs are being used
when more throughput is needed*

Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)

MAC address
port ID
VLAN information *
speed *
PAgP mode

Which statement describes a characteristic of a Cisco Enterprise Architecture module?

Server Farm and Data Center Module are submodules of the Enterprise Edge module.
The Enterprise Campus only consists of the core layer of the campus infrastructure.
The Enterprise Edge consists of the Internet, VPN, and WAN modules connecting the enterprise with the service provider’s network. *
The Service Provider Edge provides QoS, policy reinforcement, service levels, and security.

What is a wireless security mode that requires a RADIUS server to authenticate wireless users?

shared key


Refer to the exhibit. The routing table on R2 does not include all networks that are attached to R1. The network administrator verifies that the network statement is configured to include these two networks. What is a possible cause of the issue?

The no auto-summary command is missing in the R1 configuration. *
The network statements should include the wild card mask.
The AS number does not match between R1 and R2.
The interfaces that are connected to these two networks are configured as passive interfaces.

Which wireless network topology would be used by network engineers to provide a wireless network for an entire college building?

ad hoc
infrastructure *
mixed mode


Refer to the exhibit. Why did R1 and R2 not establish an adjacency?

The automatic summarization is enabled on R1 and R2.
There is no network command for the network on R1.
The IPv4 address of Fa0/0 interface of R1 has a wrong IP address.
The AS number does not match on R1 and R2.*

Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?

channel-group 2 mode auto
interface port-channel 2
channel-group 1 mode desirable
interface range GigabitEthernet 0/4 – 5*

A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)

Ensure that the laptop antenna is attached.
Ensure that the correct network media is selected.
Ensure that the NIC is configured for the proper frequency.
Ensure that the wireless NIC is enabled.*
Ensure that the wireless SSID is chosen.*


Refer to the exhibit. A network administrator issues the show ip protocols command. Based on the exhibited output, what can be concluded?

The EIGRP K values are default values. *
The no auto-summary command is not applied for the EIGRP operation.
Up to 4 routes of different metric values to the same destination network will be included in the routing table.
R1 receives routes to the network and

46. Match the step number to the sequence of stages that occur during the HSRP failover process. (Not all options are used.)

Which routing protocol is able to scale for large networks and utilizes non-backbone areas for expansion?


What are two advantages of EtherChannel? (Choose two.)

Load balancing occurs between links configured as different EtherChannels.
Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection.*
EtherChannel uses upgraded physical links to provide increased bandwidth.
Configuring the EtherChannel interface provides consistency in the configuration of the physical links. *
Spanning Tree Protocol ensures redundancy by transitioning failed interfaces in an EtherChannel to a forwarding state.

A network administrator is troubleshooting the EIGRP routing between two routers, R1 and R2. The problem is found to be that only some, but not all networks attached to R1 are listed in the routing table of router R2. What should the administrator investigate on router R1 to determine the cause of the problem?

Does the hello interval setting match the hello interval on R2?
Does the AS number match the AS number on R2?
Do the network commands include all the networks to be advertised?*
Is the interface connected to R2 configured as a passive interface?


Refer to the exhibit. A network engineer is preparing to upgrade the IOS system image on a Cisco 2901 router. Based on the output shown, how much space is available for the new image?

25574400 bytes
33591768 bytes
249856000 bytes
221896413 bytes*


51. Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?
disabled port
non-designated port
root port*
designated port

new questions:

52. If a company wants to upgrade a Cisco 2800 router from IOS 12.4T, what IOS should be recommended for a stable router platform?





53. What are two reasons to implement passive interfaces in the EIGRP configuration of a Cisco router? (Choose two.)

to shut down unused interfaces

to mitigate attacks coming from the interfaces

to avoid unnecessary update traffic*

to exclude interfaces from load balancing

to provide increased network security*

54. Refer to the exhibit. What two pieces of information could be determined by a network administrator from this output? (Choose two.)

The OSPF process number that is being used is 0.

R1 is participating in multiarea OSPF.*

Interface Fa0/1 is not participating in the OSPF process.

R1 is the distribution point for the routers that are attached to the network.*

The metric that will be installed in the routing table for the route will be 65 (64+1).

55. A router has been removed from the network for maintenance. A new Cisco IOS software image has been successfully downloaded to a server and copied into the flash of the router. What should be done before placing the router back into service?

Restart the router and verify that the new image starts successfully.*

Back up the new image.

Copy the running configuration to NVRAM.

Delete the previous version of the Cisco IOS software from flash.

56. A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?

VRRPv3 is Cisco proprietary.

It allows load balancing between routers.

It supports IPv6 and IPv4 addressing.*

It works together with HSRP.


57. Refer to the exhibit. Based on the command output shown, what is the status of the EtherChannel?

The EtherChannel is dynamic and is using ports Fa0/10 and Fa0/11 as passive ports.

The EtherChannel is partially functional as indicated by the P flags for the FastEthernet ports.

The EtherChannel is down as evidenced by the protocol field being empty.

The EtherChannel is in use and functional as indicated by the SU and P flags in the command output.*


58. What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)

a connection to an operational network interface on the device

a direct connection to the console or AUX port*

HTTP access to the device

a terminal emulation client*

Telnet or SSH access to the device

59. Refer to the exhibit. An administrator attempts to configure EIGRP for IPv6 on a router and receives the error message that is shown. Which command must be issued by the administrator before EIGRP for IPv6 can be configured?

ipv6 cef

ipv6 eigrp 100

eigrp router-id

no shutdown

ipv6 unicast-routing*

60. Which technological factor determines the impact of a failure domain?

the forwarding rate of the switches used on the access layer

the number of users on the access layer

the number of layers of the hierarchical network

the role of the malfunctioning device*


61. A network engineer is troubleshooting a newly deployed wireless network that is using the latest 802.11 standards. When users access high bandwidth services such as streaming video, the wireless network performance is poor. To improve performance the network engineer decides to configure a 5 Ghz frequency band SSID and train users to use that SSID for streaming media services. Why might this solution improve the wireless network performance for that type of service?

Requiring the users to switch to the 5 GHz band for streaming media is inconvenient and will result in fewer users accessing these services.

The 5 GHz band has more channels and is less crowded than the 2.4 GHz band, which makes it more suited to streaming multimedia.*

The 5 GHz band has a greater range and is therefore likely to be interference-free.

The only users that can switch to the 5 GHz band will be those with the latest wireless NICs, which will reduce usage.


62. Fill in the blank.
EIGRP keeps feasible successor routes in the __topology__table.


63. A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?

Spanning Tree Protocol will transition the failed physical interface into forwarding mode.

The EtherChannel will transition to a down state.

Spanning Tree Protocol will recalculate the remaining trunk links.

The EtherChannel will remain functional.*


64. For troubleshooting missing EIGRP routes on a router, what three types of information can be collected using the show ip protocols command? (Choose three.)

any interfaces on the router that are configured as passive*

networks that are unadvertised by the EIGRP routing protocol*

any ACLs that are affecting the EIGRP routing process*

the IP addresses that are configured on adjacent routers

the local interface that is used to establish an adjacency with EIGRP neighbors

any interfaces that are enabled for EIGRP authentication


  1. J
  2. anon1488
  3. CCNAHelper
  4. Ionut
  5. tweettrooper
  6. jose karim

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