CCNA 1 Final Exam Answers Option A

Examenes

enero 16, 2018

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CCNA 1 V6.0 Final Exam Answers Option A Questions and Answers

CCNA 1 V6.0 Final Exam Answers Option A Questions and Answers

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An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

to exit to a different configuration mode

to interrupt the ping process

to allow the user to complete the command

to restart the ping process

¡ Correcto ! ¡ Incorrecto !

Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

financial transactions, audio conference, web page

audio conference, financial transactions, web page

audio conference, web page, financial transactions

financial transactions, web page, audio conference

¡ Correcto ! ¡ Incorrecto !

A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

mesh

hub and spoke

point-to-point

partial mesh

¡ Correcto ! ¡ Incorrecto !

Which connection provides a secure CLI session with encryption to a Cisco switch?

a console connection

a Telnet connection

an SSH connection

an AUX connection

¡ Correcto ! ¡ Incorrecto !

What method is used to manage contention-based access on a wireless network?

CSMA/CD

CSMA/CA

token passing

priority ordering

¡ Correcto ! ¡ Incorrecto !

A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?

The configuration is permanent and nothing changes.

The address lease is automatically renewed until the PC is returned.

The address is returned to the pool for reuse when the lease expires.

The configuration is held by the server to be reissued when the PC is returned.

¡ Correcto ! ¡ Incorrecto !

Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26

192.168.1.32/28

192.168.1.64/29

192.168.1.32/27

¡ Correcto ! ¡ Incorrecto !

What is an advantage to using a protocol that is defined by an open standard?

A company can monopolize the market.

It encourages competition and promotes choices.

The protocol can only be run on equipment from a specific vendor.

An open standard protocol is not controlled or regulated by standards organizations.

¡ Correcto ! ¡ Incorrecto !

What is a characteristic of UTP cabling?

cancellation

immunity to electrical hazards

cladding

woven copper braid or metallic foil

¡ Correcto ! ¡ Incorrecto !

What is a key characteristic of the peer-to-peer networking model?

social networking without the Internet

network printing using a print server

resource sharing without a dedicated server

wireless networking

¡ Correcto ! ¡ Incorrecto !

What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

It will strip off the data-link frame to check the destination IP address.

It will forward the frame to the next host.

It will remove the frame from the media.

It will discard the frame

¡ Correcto ! ¡ Incorrecto !

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

255.255.255.128

255.255.255.240

255.255.255.224

255.255.255.0

¡ Correcto ! ¡ Incorrecto !

A wireless host needs to request an IP address. What protocol would be used to process the request?

HTTP

FTP

DHCP

ICMP

SNMP

¡ Correcto ! ¡ Incorrecto !

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

190

192

254

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?

172.168.10.99

BB:BB:BB:BB:BB:BB

AA:AA:AA:AA:AA:AA

CC:CC:CC:CC:CC:CC

DD:DD:DD:DD:DD:DD

172.168.10.65

¡ Correcto ! ¡ Incorrecto !

Which scenario describes a function provided by the transport layer?

A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.

A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.

¡ Correcto ! ¡ Incorrecto !

Which statement is true about variable-length subnet masking?

The size of each subnet may be different, depending on requirements

Each subnet is the same size.

Bits are returned, rather than borrowed, to create additional subnets.

Subnets may only be subnetted one additional time.

¡ Correcto ! ¡ Incorrecto !

What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)

Por favor, selecciona 3 respuestas correctas

192.168.0.0/16

172.16.0.0/12

10.0.0.0/8

192.31.7.0/24

64.100.0.0/14

127.16.0.0/12

¡ Correcto ! ¡ Incorrecto !

What are two characteristics of fiber-optic cable? (Choose two.)

Por favor, selecciona 2 respuestas correctas

It is not affected by EMI or RFI.

It combines the technique of cancellation, shielding, and twisting to protect data.

It typically contains 4 pairs of fiber-optic wires.

Each pair of cables is wrapped in metallic foil.

It is more expensive than UTP cabling is.

¡ Correcto ! ¡ Incorrecto !

A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

ipconfig

tracert

nslookup

netstat

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

linevtyin

letmein

secretin

lineconin

¡ Correcto ! ¡ Incorrecto !

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

Por favor, selecciona 2 respuestas correctas

physical

session

network

data link

transport

¡ Correcto ! ¡ Incorrecto !

Which two tasks are functions of the presentation layer? (Choose two.)

Por favor, selecciona 2 respuestas correctas

session control

encryption

addressing

authentication

compression

¡ Correcto ! ¡ Incorrecto !

What addresses are mapped by ARP?

destination IPv4 address to the source MAC address

destination MAC address to a destination IPv4 address

destination IPv4 address to the destination host name

destination MAC address to the source IPv4 address

¡ Correcto ! ¡ Incorrecto !

What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?

HTTP

Ethernet

TCP

¡ Correcto ! ¡ Incorrecto !

What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)

Por favor, selecciona 3 respuestas correctas

delimiting groups of bits into frames

detection of errors through CRC calculations

error correction through a collision detection method

conversion of bits into data signals

data link layer addressing

placement and removal of frames from the media

session control using port numbers

¡ Correcto ! ¡ Incorrecto !

Which domain name would be an example of a top-level domain?

.com

www.cisco.com

root.cisco.com

cisco.com

¡ Correcto ! ¡ Incorrecto !

What purpose does NAT64 serve in IPv6?

It converts IPv6 packets into IPv4 packets.

It converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet.

It translates private IPv6 addresses into public IPv6 addresses.

It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.

It enables companies to use IPv6 unique local addresses in the network.

¡ Correcto ! ¡ Incorrecto !

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

data link layer

network layer

physical layer

presentation layer

¡ Correcto ! ¡ Incorrecto !

A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

Por favor, selecciona 3 respuestas correctas

the amount of traffic that is currently crossing the network

the bandwidth of the WAN connection to the Internet

the reliability of the gigabit Ethernet infrastructure of the backbone

the type of traffic that is crossing the network

the sophistication of the encapsulation method applied to the data

the latency that is created by the number of network devices that the data is crossing

¡ Correcto ! ¡ Incorrecto !

Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

fast-forward switching

cut-through switching

store-and-forward switching

fragment-free switching

¡ Correcto ! ¡ Incorrecto !

When applied to a router, which command would help mitigate brute-force password attacks against the router?

banner motd $Max failed logins = 5$

exec-timeout 30

service password-encryption

¡ Correcto ! ¡ Incorrecto !

Where are Cisco IOS debug output messages sent by default?

memory buffers

vty lines

Syslog server

console line

¡ Correcto ! ¡ Incorrecto !

What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?

2001::abcd:0:1

2001:0:abcd::1

2001:0000:abcd::1

2001::abcd::1

2001:0:0:abcd::1

¡ Correcto ! ¡ Incorrecto !

What is a benefit of using cloud computing in networking?

Home networking uses existing electrical wiring to connect devices to the network wherever there is an electrical outlet, saving the cost of installing data cables.

Network capabilities are extended without requiring investment in new infrastructure, personnel, or software.

Technology is integrated into every-day appliances allowing them to interconnect with other devices, making them more ‘smart’ or automated.

End users have the freedom to use personal tools to access information and communicate across a business network.

¡ Correcto ! ¡ Incorrecto !

Which example of malicious code would be classified as a Trojan horse?

malware that attaches itself to a legitimate program and spreads to other programs when launched

malware that requires manual user intervention to spread between systems

malware that can automatically spread from one system to another by exploiting a vulnerability in the target

malware that was written to look like a video game

¡ Correcto ! ¡ Incorrecto !

What are two services provided by the OSI network layer? (Choose two.)

Por favor, selecciona 2 respuestas correctas

encapsulating PDUs from the transport layer

performing error detection

routing packets toward the destination

collision detection

placement of frames on the media

¡ Correcto ! ¡ Incorrecto !

A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?

show ip interface brief

show mac-address-table

show interfaces

show running-config

¡ Correcto ! ¡ Incorrecto !

Which range of link-local addresses can be assigned to an IPv6-enabled interface?

FEC0::/10

FDEE::/7

FE80::/10

FF00::/8

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?

The administrator will be required to enter Cisco234.

The administrator will be presented with the R1> prompt

The administrator will be required to enter Cisco123.

The administrator will be required to enter Cisco789.

¡ Correcto ! ¡ Incorrecto !

What is a characteristic of a fault tolerant network?

a network that supports a mechanism for managing congestion and ensuring reliable delivery of content to all users

a network that protects confidential information from unauthorized access

a network that recovers quickly when a failure occurs and depends on redundancy to limit the impact of a failure

a network that can expand quickly to support new users and applications without impacting the performance of the service delivered to existing users

¡ Correcto ! ¡ Incorrecto !

What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)

Por favor, selecciona 2 respuestas correctas

to determine if the packet changed during transit

to reassemble the segments at the remote location

to specify the order in which the segments travel from source to destination

to limit the number of segments that can be sent out of an interface at one time

to identify missing segments at the destination

¡ Correcto ! ¡ Incorrecto !

What are two benefits of using a layered network model? (Choose two.)

Por favor, selecciona 2 respuestas correctas

It speeds up packet delivery.

It prevents designers from creating their own model.

It prevents technology in one layer from affecting other layers.¿

It ensures a device at one layer can function at the next higher layer.

It assists in protocol design.

¡ Correcto ! ¡ Incorrecto !

What are two functions of NVRAM? (Choose two.)

Por favor, selecciona 2 respuestas correctas

to store the routing table

to store the ARP table

to retain contents when power is removed

to store the startup configuration file

to contain the running configuration file

¡ Correcto ! ¡ Incorrecto !

What is a characteristic of the LLC sublayer?

It provides delimitation of data according to the physical signaling requirements of the medium.

It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.

It provides the logical addressing required that identifies the device.

It defines software processes that provide services to the physical layer.

¡ Correcto ! ¡ Incorrecto !

Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all options are used.)

FastEthernet0/0 -> packets with destination of 172.17.6.15
FastEthernet0/1 -> packets with destination of 172.17.14.8
FastEthernet1/0 -> packets with destination of 172.17.12.10
FastEthernet1/1 -> packets with destination of 172.17.10.5
Serial0/0/0 -> packets with destination of 172.17.8.20

¡ Correcto ! ¡ Incorrecto !

A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?

the destination port number

the source port number

the destination IP address

the source IP address

¡ Correcto ! ¡ Incorrecto !

What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

192.0.2.199

203.0.113.211

209.165.201.223

198.51.100.201

¡ Correcto ! ¡ Incorrecto !

A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?

The subnet mask information is incorrect.

The command syntax is wrong.

The interface is shutdown and must be enabled before the switch will accept the IP address.

The command is being entered from the wrong mode of operation.

¡ Correcto ! ¡ Incorrecto !

What is the function of the shell in an OS?

It interfaces between the users and the kernel.

It provides the intrusion protection services for the device.

It interacts with the device hardware.

It provides dedicated firewall services.

¡ Correcto ! ¡ Incorrecto !

Match the description with the associated IOS mode. (Not all options are used.)

user EXEC mode
limited number of basic monitoring commands
the first entrance intro the CLI of an IOS device

privileged EXEC mode
accessed by entering the enable command
identified by a prompt ending with the # character

global configuration mode
changes made affect the operation of the device as a whole
accessed by entering the configure terminal command

¡ Correcto ! ¡ Incorrecto !

Which name is assigned to the transport layer PDU?

bits

frame

segment

packet

data

¡ Correcto ! ¡ Incorrecto !

What are three characteristics of multicast transmission? (Choose three.)

Por favor, selecciona 3 respuestas correctas

Multicast transmission can be used by routers to exchange routing information.

The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.

A single packet can be sent to a group of hosts.

Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255

Multicast messages map lower layer addresses to upper layer addresses.

Computers use multicast transmission to request IPv4 addresses.

¡ Correcto ! ¡ Incorrecto !

On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

vty 0

FastEthernet0/1

VLAN 1

console 0

¡ Correcto ! ¡ Incorrecto !

CCNA 1 v6 Final Exam Answers Option A

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CCNA 1 Exam

Examenes

enero 16, 2018

porAlex Walton

View Comments (1) View Comments (1)

amigos buena plataforma que tiene pero les falta actualizar algunas preguntas.. despues me esta ayudando muchisimo. gracias por la informacion amigos
visa
agosto 22, 2019 at 5:11 am
Responder
1. Hola, serán actualizadas en Febrero 2020. Justo con la actualización de CCNA 200-125 a 200-301
  Alex Walton
  noviembre 19, 2019 at 10:09 pm
  Responder

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CCNA 1 Final Exam Answers Option A

CCNA 1 V6.0 Final Exam Answers Option A Questions and Answers

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

Which connection provides a secure CLI session with encryption to a Cisco switch?

What method is used to manage contention-based access on a wireless network?

A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?

Which subnet would include the address 192.168.1.96 as a usable host address?

What is an advantage to using a protocol that is defined by an open standard?

What is a characteristic of UTP cabling?

What is a key characteristic of the peer-to-peer networking model?

What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

A wireless host needs to request an IP address. What protocol would be used to process the request?

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?

Which scenario describes a function provided by the transport layer?

Which statement is true about variable-length subnet masking?

What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)

What are two characteristics of fiber-optic cable? (Choose two.)

A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

Which two tasks are functions of the presentation layer? (Choose two.)

What addresses are mapped by ARP?

What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?

What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)

Which domain name would be an example of a top-level domain?

What purpose does NAT64 serve in IPv6?

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

When applied to a router, which command would help mitigate brute-force password attacks against the router?

Where are Cisco IOS debug output messages sent by default?

What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?

What is a benefit of using cloud computing in networking?

Which example of malicious code would be classified as a Trojan horse?

What are two services provided by the OSI network layer? (Choose two.)

A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?

Which range of link-local addresses can be assigned to an IPv6-enabled interface?​

Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?

What is a characteristic of a fault tolerant network?

What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)

What are two benefits of using a layered network model? (Choose two.)

What are two functions of NVRAM? (Choose two.)

What is a characteristic of the LLC sublayer?

Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all options are used.)

What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?

What is the function of the shell in an OS?

Match the description with the associated IOS mode. (Not all options are used.)

Which name is assigned to the transport layer PDU?

What are three characteristics of multicast transmission? (Choose three.)

On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

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Which range of link-local addresses can be assigned to an IPv6-enabled interface?