Examen Final Cisco 3

8/2/2019 Examen Final Cisco 3

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1. Which statement regarding the service password-encryption command is true?

.

The service password-encryption command encrypts all previously

unencrypted passwords in the running configuration.

2. Refer to the exhibit. What is the purpose of the configuration commands that are

shown?

to make the port a member of VLAN 30

3. Refer to the exhibit. Which two options correctly describe the router configuration that

is shown? Choose 2

*The configuration is appropriate for a router-on-a-stick

network design


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*An IP address should be applied to interface Fa0/1 for

routing to occur

4. Refer to the exhibit. All trunk links are operational and

all VLANs are allowed on all trunk links. An ARP requestit sent by computerbycomputer 5. Which device or devices will receive

this message?

Computer 3 and RTR-A

5. Refer to the exhibit. VTP pruning is enabled in the VTP domain

that is shown. How will switch ST-1 handle Layer 2 broadcast


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traffic originating from host A on switch ST-C?

It will be dropped

It will be forwarded out port Fa0/5 only

6. Which three statements are correct concerning the

default configuration of a new switch? (Choose three)*It is configured in VTP server mode

* STP is automatically enabled

*All switch ports are assigned to VLAN1

7. Refer to the exhibit. A network administrator enters the displayed commands to

configure VLAN 30. What is the result of running these commands?

VLAN 30 will be added to the VLAN database of S3 but will not be

propagated to S4, S2 or S1

8. Refer to the exhibit. The network administrator configures both switches as displayed.

Howerer, host C is unable to ping host D and host E is unable to ping host F. What ation

should the administrator take to enable this communication?

* Configure one trunk port in the dynamic desirable mode


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9. What are two requirements for configuring inter-VLAN routing using the router-on-a-

stick model? (Choose two)

*Each sub interface should be configured with its own Ip address, subnet

mask, and unique VLAN assignment

*The physical interface of the router must be connected to a trunk link on the

adjacent switch

10. Refer to the exhibit. What is the effect of setting the security mode to WEP on the

Linksys integrated router?

WEP encrypt data between the wireless client and the access point

11. Refer to the exhibit. Router R1 is properly configured for router on a stick inter-

VLAN routing, but PC1 is unable to ping PC2. What needs to be one to resolve the

problem?

Configure the Fa0/1 port of S1 as trunk port

12. Refer to the exhibit. Switches S2 and S3 are properly connected using an Ethernet

cable. A network administrator has configured both switches with VTP, but S3 is unable

to propagate VLANs to S2. What could be the reason for this?


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The VTP domains are different on both switches

13. Refer to the exhibit. What does the term DYNAMIC indicate in the output that is

shown?

*The switch learned this MAC address from the source address in a frame

received on Fa0/18

14. After unpacking a new Linksys WRT300N wireless multifunction device, a user

needs to change the default administrator password and make other configuration

changes. What must the user do to access the device in order to make these changes?

*Establish a wired connection from a computer in the same IP subnet as the

WRT300N and enter the default IP address of thedevice into a web browser

on the computer

15. Refer to the exhibit. The switches are configured for VTP as shown. Which two

statements correctly describe the operation of these switches?(Choose two)


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*A new VLAN can be added to Switch1 and that information will be added to

Switch2 and Switch4

*An existing VLAN can be deleted from Switch4 and that VLAN will be

deleted from Switch1 and Switch2

16. What are three benefits of employing a hierarchical network design? (Choose three)

*Hierarchically designed networks can more easily be expanded to suit future

needs

*Hierarchical design models enhance existing bandwidth through the use of

link aggregation

*The hierarchical model allows for specialized functionality at each layer,

simplifying device management

17. Which statements correctly describes the function of a Layer 2 switch?

*It performs switching and filtering based on the destination network

layer address

18. Refer to the exhibit. A network administrator has segmented the network into two

VLAns. The connected hosts can only access resources in their own VLAN. What the

most scalable and cost effective solution to allow inter-VLAN communication in thisnetwork?


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Configure a router with two sub interfaces on one of its Fast Ethernet ports

and connect it to S1 using a trunk link

19. When configuring a router to act as an SSH server, what should be configured before

issuing the crypto key generate rsa command?

The IP domain name

20. Which statement correctly describes the spanning-tree path cost?

It is calculated based on the bridge priority of the switches along a given path

21. What provides an authentication mechanism for 802.11-based wireless networks?

SSID

22. Refer to the exhibit. What is true of the configuration of switch S1?

Switch ports Fa0/1 and Fa0/3 are configured to carry data from multiple

VLANs

23. Refer to the exhibit. Switch SW2 has been newly urchased and added to the network.

What configuration should be applied to SW2 so that it participates in the same VTP

domain as switch SW1, receives VLAN information from SW1, and synchronizes

VLAN information?


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*Configure SW2 with the VTP domain password

24. Refer to the exhibit. The devices in the network are operational and configured

asindicated in the exhibit. However, hosts A and D cannot ping each other. What is the

most likely cause of this problem?

The Fa0/11 interface of Switch1 is not configured as a trunk

25. Refer to the exhibit. A student has decided to share the teacher's access to the internet

by attaching a hub and laptop to STW. What will be the result of the student making this

connection?

*The frames from the laptop will be dropped, but the teachers host will

maintain connectivity with the network.

26. Refer to the exhibit. Both switches are configured with default bridge priority. Which

port will act as STP root port if all links are operating at the same bandwidth?


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Fa0/2 interface of S2

27. Refer to the exhibit. On which of the devices in this network should routing between

VLAns take place?

*the core and distribution layer devices

28. Refer to the exhibit. Hosts PC_A and PC_B send traffic simultaneously, and the

frames from the transmitting station collide. What is the last device to receive the

collision?


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Switch SW1

29. Refer to the exhibit. Hosts A and B attempt to transmit a frame at the same time and a

collision occurs. When will host D be able to transmit?

*immediately

30. Refer to the exhibit. The switch VTY lines have been properly configured, but PC1 is

unable to remotely manage the switch. How can this problem be resolved?

Configure a default gateway on the switch

31. Refer to the exhibit. An administrator documented the output of a CAM table from

an Ethernet switch as shown. What action will the switch take when it receives the frame


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shown at the bottom of the exhibit?

*forward the frame out all ports except port 3

32. Refer to the exhibit. The network administrator wants to configure Switch1 to allowSSH connections and prohibit Telnet connections. How should the network administrator

change the displayed configuration to satisfy the requirement?

*Modify the transport input command

33. Refer to the exhibit. The switches have been configured as shown. The hosts that are

connected to switch 101-2FL are not able to communicate with the hosts in their

corresponding VLANs that are connected to switch 101-3FL. What should be done to fix

the problem?


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*Configure port Fa0/2 on switch 101-3FL as a static trunk link.

34. Refer to the exhibit. Switch SW-A is to be used as temporary replacement for another

witch in the VTP Student domain. What two pieces of information are indicated from the

exhibited output? (Choose two)

*The other switches in the domain can be running either VTP version 1 or 2

*This switch will update its VLAN configuration when VLAN changes are

made on a VTP server in the same domain

35. After listening for the presence of a signal on the network media, host A and C

transmit data at the same time. In what two ways do the hosts respond to this situation?

(Choose two)


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*The hosts transmit a jam signal to ensure that all hosts on the network are

aware that a collision has occurred

*After the back off period of a host, the host checks to determine if the line is

idle before retransmitting

36. Refer to the exhibit. Which switch will be elected as the root bridge of the spanning

tree topology?

Cat-D

37. Which two statements describe Spanning Tree Protocol? (Choose two)

It only used at Layer

It eliminates Layer 2 loops in network topologies

38. Which two statements are correct about wireless infrastructure components?

(Choose two)

*A wireless AP does not require any physical connection to allow wireless

clients to access the Internet

*The wireless router performs the roles of AP and router


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39. Refer to the exhibit. A new host needs to be connected to VLAN3. Which IP address

should be assigned to this new host?

192.168.1.52/28

40. A new switch is to be added to an existing network in a remote office. The

network administrator does not want the technicians in the remote office to be able to add

new VLANs to the switch, but the switch should receive VLAN updates from the VTPdomain. Which two steps must be performed to configure VTP on the new switch to

meet these conditions? (Choose two.)

*Configure the existing VTP domain on the new switch

*Configure the new switch as a VTP client

41. Refer to the exhibit. How is port Gi1/1 on SwT-A functioning in the spanning-tree

topology?

It is sending and receiving data frames

42. Refer to the exhibit. Sw-T has been configured with a single trunking interface.


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Which VLANs will be allowed across the trunk?

All configured VLANs will be allowed across the trunk

43. Refer to the exhibit. Router RA receives a packet with a source address

of 192.168.1.65 and destination address of 192.168.1.161. What will the router do with

this packet?

The router will drop the packet

44. Refer to the exhibit. How will switch S2 manage traffic coming from host PC1?


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S2 will leave the traffic untagged when it forwards it over a trunk link

45. What is the purpose of VLAN trunking?

It carries the traffic of multiple VLANs through a single link

46. Refer to the exhibit. The network administrator needs to remove the east-hosts

VLAN and use the switch port from that VLAN in one of the existing VLANs. Which

two set so f commands should be used when completely removing VLAN 2 from S1-

Central ehile leaving the switch and all its interfaces operational? (Choose two)

*S1-Central>enable

S1-Central#configure terminal

S1-Central (config) #no vlan2

*S1-Central>enable

S1-Central#configure terminal


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S1-Central(config-if)#interface fastethernet 0/1

S1-Central(config-if)#switchport access vlan 3

47. Refer to the exhibit. What three statements describe why Host1 and Host2 are unable

to communicate?(Choose three)

*The switch ports are o different VLANs

*The hosts are configured on different logical networksA router is required

to forward traffic between Host1 and Host2

48. Refer to the exhibit. Router R-West and switch S-West1 are connected via a single

Ethernet cable between the router interface fa0/0 and the switch interface fa0/1. The

router and switch have been configured with the commands that are displayed in the

exhibit. The network administrator enters the show interfaces trunk command and

receives the output as shown. What is the cause of the "not-trunking" status for switchport Fa0/1?


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Because the router does not support Dynamic Trunking Protocol,the trunk has

not been established

49. Refer to the exhibit. Which two facts about STP can be determined from the

displayed output? (Choose two)

Switch S1 has the lowest configured STP priority in the network

Fa0/21 is the root port of switch

50. Refer to the exhibit. In what two ways will the router handle VLAN traffic that is

received on the trunk? (Choose two)


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*Because interface Fa0/0 requires an iP address, the router will not be

able to route between the VLANs

*Packets that are received from network 192.168.20.0/24 will be handled

by sub interface Fa0/0.20


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Examen Final Cisco 3

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