CCNA 4 Final Exam Answers Option C

Cisco CCNA 4 Simulation v6.0 Test Final Exam Option C

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CCNA 4 Final Exam Answers Option C Quiz Questions and Answers. In this simulation, take your test, get your score and share with others!

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Questions: 55
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CCNA 4 V6.0 Final Exam Answers Option C Questions and Answers

Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?

fog computing

application enhancement platform

data analytics

network connectivity

¡ Correcto ! ¡ Incorrecto !

What does BGP use to exchange routing updates with neighbors?

TCP connections

group identification numbers

area numbers

hellos

¡ Correcto ! ¡ Incorrecto !

What network monitoring tool copies traffic moving through one switch port, and sends the copied traffic to another switch port for analysis?

syslog

SPAN

802.1X

SNMP

¡ Correcto ! ¡ Incorrecto !

A network administrator is configuring a PPP link with the commands:
R1(config-if)# encapsulation ppp
R1(config-if)# ppp quality 70
What is the effect of these commands?

The PPP link will not be established if more than 30 percent of options cannot be accepted.

The PPP link will be closed down if the link quality drops below 70 percent.

The LCP establishment phase will not start until the bandwidth reaches 70 percent or more.

The NCP will send a message to the sending device if the link usage reaches 70 percent.

¡ Correcto ! ¡ Incorrecto !

Which technology can ISPs use to periodically challenge broadband customers over DSL networks with PPPoE?

PAP

CHAP

HDLC

Frame Relay

¡ Correcto ! ¡ Incorrecto !

Which type of tool would an administrator use to capture packets that are going to and from a particular device?

knowledge base

protocol analyzer

NMS tool

baselining tool

¡ Correcto ! ¡ Incorrecto !

Which type of network traffic cannot be managed using congestion avoidance tools?

TCP

UDP

ICMP

¡ Correcto ! ¡ Incorrecto !

Which two technologies are private WAN technologies? (Choose two.)

Por favor, selecciona 2 respuestas correctas

Frame Relay

cellular

ATM

cable

DSL

¡ Correcto ! ¡ Incorrecto !

A network administrator is evaluating authentication protocols for a PPP link. Which three factors might lead to the selection of CHAP over PAP as the authentication protocol? (Choose three.)

Por favor, selecciona 3 respuestas correctas

uses an unpredictable variable challenge value to prevent playback attacks

makes authorized network administrator intervention a requirement to establish each session

establishes identities with a two-way handshake

control by the remote host of the frequency and timing of login events

transmits login information in encrypted format

uses a three-way authentication periodically during the session to reconfirm identities

¡ Correcto ! ¡ Incorrecto !

Which WAN technology can switch any type of payload based on labels?

DSL

PSTN

MPLS

T1/E1

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Which two statements describe the results of entering these commands? (Choose two.)

Por favor, selecciona 2 respuestas correctas

R1 will not send critical system messages to the server until the command debug all is entered.

The syslog server has the IPv4 address 192.168.10.10.

R1 will reset all the warnings to clear the log.

R1 will send system messages of levels 0 (emergencies) to level 4 (warnings) to a server.

R1 will output the system messages to the local RAM.

¡ Correcto ! ¡ Incorrecto !

What technology can be used to create a private WAN via satellite communications?

WiMAX

3G/4G cellular

VSAT

dialup

VPN

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. What two commands are needed to complete the GRE tunnel configuration on router R1? (Choose two.)

Por favor, selecciona 2 respuestas correctas

R1(config-if)# tunnel source 209.165.202.129

R1(config-if)# tunnel source 209.165.202.130

R1(config-if)# tunnel destination 172.16.2.2

R1(config-if)# tunnel destination 206.165.202.129

R1(config-if)# tunnel destination 206.165.202.130

R1(config-if)# tunnel source 172.16.2.1

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. A router has an existing ACL that permits all traffic from the 172.16.0.0 network. The administrator attempts to add a new statement to the ACL that denies packets from host 172.16.0.1 and receives the error message that is shown in the exhibit. What action can the administrator take to block packets from host 172.16.0.1 while still permitting all other traffic from the 172.16.0.0 network?

Manually add the new deny statement with a sequence number of 15.

Create a second access list denying the host and apply it to the same interface.

Manually add the new deny statement with a sequence number of 5.

Add a deny any any statement to access-list 1.

¡ Correcto ! ¡ Incorrecto !

In which stage of the troubleshooting process would ownership be researched and documented?

Gather symptoms.

Isolate the problem.

Implement corrective action.

Update the user and document the problem.

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. A SNMP manager is using the community string of snmpenable and is configured with the IP address 172.16.10.1. The SNMP manager is unable to read configuration variables on the R1 SNMP agent. What could be the problem?

The ACL is not permitting access by the SNMP manager.

The community of snmpenable2 is incorrectly configured on the SNMP agent.

The SNMP agent is not configured for read-only access.

The incorrect community string is configured on the SNMP manager.

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. What can be determined from this output?

The ACL is missing the deny ip any any ACE.

The ACL is only monitoring traffic destined for 10.23.77.101 from three specific hosts.

The router has not had any Telnet packets from 10.35.80.22 that are destined for 10.23.77.101.

Because there are no matches for line 10, the ACL is not working.

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Which type of Layer 2 encapsulation used for connection D requires Cisco routers?

PPP

Ethernet

PPPoE

HDLC

¡ Correcto ! ¡ Incorrecto !

What is the only type of ACL available for IPv6?

named extended

numbered extended

numbered standard

named standard

¡ Correcto ! ¡ Incorrecto !

What is a primary difference between a company LAN and the WAN services that it uses?

Each LAN has a specified demarcation point to clearly separate access layer and distribution layer equipment.

The company has direct control over its WAN links but not over its LAN.

The LAN may use a number of different network access layer standards whereas the WAN will use only one standard.

The company must subscribe to an external WAN service provider.

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem?

Host A has an incorrect default gateway configured.

Host A has an overlapping network address.

Host A has an incorrect subnet mask.

NAT is required for the host A network.

The router has an incorrect gateway.

¡ Correcto ! ¡ Incorrecto !

Which statement describes a feature of site-to-site VPNs?

The VPN connection is not statically defined.

Internal hosts send normal, unencapsulated packets.

Individual hosts can enable and disable the VPN connection.

VPN client software is installed on each host.

¡ Correcto ! ¡ Incorrecto !

Which circumstance would result in an enterprise deciding to implement a corporate WAN?

when the enterprise decides to secure its corporate LAN

when its employees become distributed across many branch locations

when the network will span multiple buildings

when the number of employees exceeds the capacity of the LAN

¡ Correcto ! ¡ Incorrecto !

Which cellular or mobile wireless standard is considered a fourth generation technology?

LTE

GSM

CDMA

UMTS

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Communication between two peers has failed. Based on the output that is shown, what is the most likely cause?

interface reset

unplugged cable

PPP issue

improper cable type

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?

traffic shaping

classification and marking

traffic policing

weighted random early detection

¡ Correcto ! ¡ Incorrecto !

Voice packets are being received in a continuous stream by an IP phone, but because of network congestion the delay between each packet varies and is causing broken conversations. What term describes the cause of this condition?

buffering

latency

queuing

jitter

¡ Correcto ! ¡ Incorrecto !

Which three statements are true about PPP? (Choose three.)

Por favor, selecciona 3 respuestas correctas

PPP uses LCPs to agree on format options such as authentication, compression, and error detection.

PPP carries packets from several network layer protocols in LCPs.

PPP uses LCPs to establish, configure, and test the data-link connection.

PPP can only be used between two Cisco devices.

PPP can use synchronous and asynchronous circuits.

¡ Correcto ! ¡ Incorrecto !

Which two hypervisors are suitable to support virtual machines in a data center? (Choose two.)

Por favor, selecciona 2 respuestas correctas

VMware ESX/ESXi

Oracle VM VirtualBox

Microsoft Hyper-V 2012

Virtual PC

VMware Fusion

¡ Correcto ! ¡ Incorrecto !

Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent?

LLQ

FIFO

FCFS

CBWFQ

¡ Correcto ! ¡ Incorrecto !

A network administrator has moved the company intranet web server from a switch port to a dedicated router interface. How can the administrator determine how this change has affected performance and availability on the company intranet?

Conduct a performance test and compare with the baseline that was established previously.

Determine performance on the intranet by monitoring load times of company web pages from remote sites.

Compare the hit counts on the company web server for the current week to the values that were recorded in previous weeks.

Interview departmental administrative assistants to determine if web pages are loading more quickly.

¡ Correcto ! ¡ Incorrecto !

Which type of QoS marking is applied to Ethernet frames?

DSCP

IP precedence

CoS

ToS

¡ Correcto ! ¡ Incorrecto !

Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

cable

DSL

ISDN

dialup

¡ Correcto ! ¡ Incorrecto !

What is the function of a QoS trust boundary?

A trust boundary only allows traffic from trusted endpoints to enter the network.

A trust boundary identifies the location where traffic cannot be remarked.

A trust boundary identifies which devices trust the marking on packets that enter a network.

A trust boundary only allows traffic to enter if it has previously been marked.

¡ Correcto ! ¡ Incorrecto !

Which IPv6 ACL command entry will permit traffic from any host to an SMTP server on network 2001:DB8:10:10::/64?

permit tcp host 2001:DB8:10:10::100 any eq 25

permit tcp any host 2001:DB8:10:10::100 eq 25

permit tcp host 2001:DB8:10:10::100 any eq 23

permit tcp any host 2001:DB8:10:10::100 eq 23

¡ Correcto ! ¡ Incorrecto !

What action can a network administrator take to help mitigate the threat of VLAN attacks?

Enable PortFast on all switch ports.

Disable automatic trunking negotiation.

Disable VTP.

Configure all switch ports to be members of VLAN 1.

¡ Correcto ! ¡ Incorrecto !

What mechanism compensates for jitter in an audio stream by buffering packets and then replaying them outbound in a steady stream?

playout delay buffer

voice codec

WFQ

digital signal processor

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. The network administrator that has the IP address of 10.0.70.23/25 needs to have access to the corporate FTP server (10.0.54.5/28). The FTP server is also a web server that is accessible to all internal employees on networks within the 10.x.x.x address. No other traffic should be allowed to this server. Which extended ACL would be used to filter this traffic, and how would this ACL be applied? (Choose two.)

Por favor, selecciona 2 respuestas correctas

R1(config)# interface gi0/0
R1(config-if)# ip access-group 105 out

R2(config)# interface gi0/0
R2(config-if)# ip access-group 105 in

R1(config)# interface s0/0/0 R1(config-if)# ip access-group 105 out

access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21
access-list 105 permit tcp 10.0.0.0 0.255.255.255 host 10.0.54.5 eq www
access-list 105 deny ip any host 10.0.54.5
access-list 105 permit ip any any

access-list 105 permit tcp host 10.0.54.5 any eq www
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21

access-list 105 permit ip host 10.0.70.23 host 10.0.54.5
access-list 105 permit tcp any host 10.0.54.5 eq www
access-list 105 permit ip any any

¡ Correcto ! ¡ Incorrecto !

How many DS0 channels are bounded to produce a 1.544 Mb/s DS1 line?

¡ Correcto ! ¡ Incorrecto !

What is a secure configuration option for remote access to a network device?

Configure an ACL and apply it to the VTY lines.

Configure Telnet.

Configure SSH.

Configure 802.1x.

¡ Correcto ! ¡ Incorrecto !

Match the cloud model with the description.

public cloud -> uses Internet to provide services
community cloud -> customized for funtional needs
hybrid cloud -> consists of two or more types of clouds
private cloud -> available to a single sprecific organization

¡ Correcto ! ¡ Incorrecto !

Which SNMP message type informs the network management system (NMS) immediately of certain specified events?

SET request

GET request

Trap

GET response

¡ Correcto ! ¡ Incorrecto !

Match the operation to the appropriate QoS model.

Best Effort
The model is most scalable
No packets receive preferential treatment

IntServ
End-to-end QoS is provided
Network resources are requested

DiffServ
Network devices are setup to handle multiple traffic classes
Traffic is identied in classes based on business requirements

¡ Correcto ! ¡ Incorrecto !

A network administrator has noticed an unusual amount of traffic being received on a switch port that is connected to a college classroom computer. Which tool would the administrator use to make the suspicious traffic available for analysis at the college data center?

SNMP

802.1X

TACACS+

RSPAN

DHCP snooping

¡ Correcto ! ¡ Incorrecto !

To which two layers of the OSI model do WAN technologies provide services? (Choose two.)

Por favor, selecciona 2 respuestas correctas

presentation layer

network layer

physical layer

session layer

transport layer

data link layer

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Which SNMP authentication password must be used by the member of the ADMIN group that is configured on router R1?

cisco123456

cisco98765

cisco654321

cisco54321

¡ Correcto ! ¡ Incorrecto !

What are three features of a GRE tunnel? (Choose three.)

Por favor, selecciona 3 respuestas correctas

provides encryption to keep VPN traffic confidential

transports multiple Layer 3 protocols

creates additional packet overhead

supports hosts as GRE tunnel endpoints by installing Cisco VPN client software

creates nonsecure tunnels between remote sites

uses RSA signatures to authenticate peeers

¡ Correcto ! ¡ Incorrecto !

What are the three core components of the Cisco ACI architecture? (Choose three.)

Por favor, selecciona 3 respuestas correctas

Cisco Nexus Switches

Application Network Profile

Microsoft hypervisor

Application Policy Infrastructure Controller

Virtual Security Gateway

Cisco Information Server

¡ Correcto ! ¡ Incorrecto !

How can DHCP spoofing attacks be mitigated?

by disabling DTP negotiations on nontrunking ports

by implementing DHCP snooping on trusted ports

by implementing port security

by the application of the ip verify source command to untrusted ports

¡ Correcto ! ¡ Incorrecto !

A company is looking for the least expensive broadband solution that provides at least 10 Mb/s download speed. The company is located 5 miles from the nearest provider. Which broadband solution would be appropriate?

cable

WiMax

satellite

DSL

¡ Correcto ! ¡ Incorrecto !

A router has been configured to use simulated network traffic in order to monitor the network performance between the router and a distant network device. Which command would display the results of this analysis?

show ip protocols

show monitor

show ip sla statistics

show ip route

¡ Correcto ! ¡ Incorrecto !

Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less-experienced network administrator?

an approach that starts with the end-user applications and moves down through the layers of the OSI model until the cause of the problem has been identified

a less-structured approach based on an educated guess

an approach comparing working and nonworking components to spot significant differences

a structured approach starting with the physical layer and moving up through the layers of the OSI model until the cause of the problem is identified

¡ Correcto ! ¡ Incorrecto !

A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?

leased line connection

site-to-site VPN over the Internet

dial-up connection

remote access VPN over the Internet

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Considering how packets are processed on a router that is configured with ACLs, what is the correct order of the statements?

A-B-C-D

D-A-C-B

C-B-A-D

B-A-D-C

C-B-D-A

¡ Correcto ! ¡ Incorrecto !

What two protocols are supported on Cisco devices for AAA communications? (Choose two.)

Por favor, selecciona 2 respuestas correctas

LLDP

TACACS+

HSRP

VTP

RADIUS

¡ Correcto ! ¡ Incorrecto !

CCNA 4 v6 Final Exam Answers Option C

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CCNA 4 V6.0 Final Exam Answers Option C Questions and Answers

Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?

What does BGP use to exchange routing updates with neighbors?

What network monitoring tool copies traffic moving through one switch port, and sends the copied traffic to another switch port for analysis?

A network administrator is configuring a PPP link with the commands: R1(config-if)# encapsulation ppp R1(config-if)# ppp quality 70 What is the effect of these commands?

Which technology can ISPs use to periodically challenge broadband customers over DSL networks with PPPoE?

Which type of tool would an administrator use to capture packets that are going to and from a particular device?

Which type of network traffic cannot be managed using congestion avoidance tools?

Which two technologies are private WAN technologies? (Choose two.)

A network administrator is evaluating authentication protocols for a PPP link. Which three factors might lead to the selection of CHAP over PAP as the authentication protocol? (Choose three.)

Which WAN technology can switch any type of payload based on labels?

Refer to the exhibit. Which two statements describe the results of entering these commands? (Choose two.)

What technology can be used to create a private WAN via satellite communications?

Refer to the exhibit. What two commands are needed to complete the GRE tunnel configuration on router R1? (Choose two.)

In which stage of the troubleshooting process would ownership be researched and documented?

Refer to the exhibit. A SNMP manager is using the community string of snmpenable and is configured with the IP address 172.16.10.1. The SNMP manager is unable to read configuration variables on the R1 SNMP agent. What could be the problem?

Refer to the exhibit. What can be determined from this output?

Refer to the exhibit. Which type of Layer 2 encapsulation used for connection D requires Cisco routers?

What is the only type of ACL available for IPv6?

What is a primary difference between a company LAN and the WAN services that it uses?

Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem?

Which statement describes a feature of site-to-site VPNs?

Which circumstance would result in an enterprise deciding to implement a corporate WAN?

Which cellular or mobile wireless standard is considered a fourth generation technology?

Refer to the exhibit. Communication between two peers has failed. Based on the output that is shown, what is the most likely cause?

Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?

Voice packets are being received in a continuous stream by an IP phone, but because of network congestion the delay between each packet varies and is causing broken conversations. What term describes the cause of this condition?

Which three statements are true about PPP? (Choose three.)

Which two hypervisors are suitable to support virtual machines in a data center? (Choose two.)

Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent?

A network administrator has moved the company intranet web server from a switch port to a dedicated router interface. How can the administrator determine how this change has affected performance and availability on the company intranet?

Which type of QoS marking is applied to Ethernet frames?

Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

What is the function of a QoS trust boundary?

Which IPv6 ACL command entry will permit traffic from any host to an SMTP server on network 2001:DB8:10:10::/64?

What action can a network administrator take to help mitigate the threat of VLAN attacks?

What mechanism compensates for jitter in an audio stream by buffering packets and then replaying them outbound in a steady stream?

How many DS0 channels are bounded to produce a 1.544 Mb/s DS1 line?

What is a secure configuration option for remote access to a network device?

Match the cloud model with the description.

Which SNMP message type informs the network management system (NMS) immediately of certain specified events?

Match the operation to the appropriate QoS model.

A network administrator has noticed an unusual amount of traffic being received on a switch port that is connected to a college classroom computer. Which tool would the administrator use to make the suspicious traffic available for analysis at the college data center?

To which two layers of the OSI model do WAN technologies provide services? (Choose two.)

Refer to the exhibit. Which SNMP authentication password must be used by the member of the ADMIN group that is configured on router R1?

What are three features of a GRE tunnel? (Choose three.)

What are the three core components of the Cisco ACI architecture? (Choose three.)

How can DHCP spoofing attacks be mitigated?

A company is looking for the least expensive broadband solution that provides at least 10 Mb/s download speed. The company is located 5 miles from the nearest provider. Which broadband solution would be appropriate?

A router has been configured to use simulated network traffic in order to monitor the network performance between the router and a distant network device. Which command would display the results of this analysis?

Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less-experienced network administrator?

A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?

Refer to the exhibit. Considering how packets are processed on a router that is configured with ACLs, what is the correct order of the statements?

What two protocols are supported on Cisco devices for AAA communications? (Choose two.)

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A network administrator is configuring a PPP link with the commands:
R1(config-if)# encapsulation ppp
R1(config-if)# ppp quality 70
What is the effect of these commands?