v5.1

1.Que se indica mediante un ping con éxito a la dirección IPv6 :: 1?

1. IP ​​está correctamente instalado en el host.

2. La dirección local de vínculo está configurado correctamente.

3. La dirección de puerta de enlace predeterminada está correctamente configurada.

4. El anfitrión está cableado correctamente.

5. Todos los hosts del vínculo local están disponibles.

2. mensajes ¿Qué dos ICMP son utilizados por los protocolos IPv4 e IPv6? (Elija dos opciones).

1. redirección de ruta

2. protocolo inalcanzable

3. solicitud de enrutador

4. solicitud de vecinos

5. anuncio de enrutador

5. Qué dos afirmaciones son correctas acerca de las direcciones IPv4 e IPv6? (Elija dos opciones). ¿Qué dos afirmaciones son correctas acerca de las direcciones IPv4 e IPv6? (Elija dos opciones).

1. direcciones IPv4 tienen 32 bits de longitud.

2. direcciones IPv6 se representan mediante números hexadecimales.

3. direcciones IPv6 son de 32 bits de longitud.

4. direcciones IPv4 son de 128 bits de longitud.

5. direcciones IPv4 están representados por números hexadecimales.

6. direcciones IPv6 son 64 bits de longitud.

6. servidor A se utiliza DHCP para asignar direcciones IP de forma dinámica a los hosts de una red. El conjunto de direcciones está configurado con 192.168.10.0/24. Hay 3 impresoras en esta red que necesitan utilizar direcciones IP estáticas reservadas de la piscina. ¿Cuántas direcciones IP en la piscina se dejan para ser asignado a otros huéspedes?

1. 251

2. 253

3. 252

4. 254

7. Qué dos cosas se pueden determinar mediante el comando ping? (Elija dos opciones).
1. si o no el dispositivo de destino es alcanzable a través de la red

2. el tiempo medio que tarda un paquete para llegar al destino y de la respuesta para volver a la fuente

3. el tiempo medio que tarda cada router en el camino entre el origen y el destino de responder

4. la dirección IP del router más cercano al dispositivo de destino
el número de routers entre la fuente y el dispositivo de destino

9. ¿Cuántos bits se encuentran en una dirección IPv4?

1. 32

2. 256

3. 128

4. 64

10. Un dispositivo habilitado para IPv6 envía un paquete de datos con la dirección de destino de FF02 :: 1. ¿Cuál es el objetivo de este paquete?

1. todos IPv6 habilitadas nodos del vínculo local

2. todos IPv6 configuradas routers a través de la red

3. todos IPv6 configuran enrutadores en el vínculo local

4. todos los servidores DHCP IPv6

11. llene el espacio.
¿Cuál es el equivalente decimal del número hexadecimal 0x3F?

63

12. Qué red migración técnica encapsula los paquetes IPv6 dentro de paquetes IPv4 para llevarlas a través de las infraestructuras de red IPv4?

1. túnel

2. encapsulación

3. traducción

4. doble pila

13 ¿Qué dos tipos de direcciones unicast IPv6? (Elija dos opciones).

1. loopback

2. enlace local
3. anycast

4. multicast broadcast

14 ¿Qué dos afirmaciones describen características de Capa 3 transmisiones? (Elija dos opciones).
1. Routers crear dominios de broadcast

2. Un paquete de difusión limitada tiene una dirección IP de destino de 255.255.255.255

3. Hay un dominio de difusión en cada interfaz interruptor.

4. Un router no reenviará cualquier tipo de capa 3 paquete de difusión.

5. transmisiones son una amenaza y los usuarios deben evitar el uso de protocolos que los desarrollen.

6. Algunos protocolos IPv6 utilizan transmisiones.

15. ¿Cuándo un router descartar un paquete traceroute?

1. cuando el valor en el campo TTL llega a cero
2. cuando el router recibe un mensaje ICMP Tiempo agotado

3. cuando el host responde con un mensaje de respuesta de eco ICMP

4. cuando los valores tanto de la solicitud de eco y respuesta de eco mensajes lleguen a cero

5. cuando el valor RTT llega a cero

16.

17 Cuando un router Cisco se está moviendo de una red IPv4 a un entorno completo de IPv6, que serie de comandos que permitiría correctamente el reenvío y la interfaz de direccionamiento IPv6?

1. Router# configure terminal

Router(config)# interface fastethernet 0/0

Router(config-if)# ip address 192.168.1.254 255.255.255.0

Router(config-if)# no shutdown

Router(config-if)# exit

Router(config)# ipv6 unicast-routing

2. Router# configure terminal
Router(config)# interface fastethernet 0/0
Router(config-if)# ipv6 address 2001:db8:bced:1::9/64
Router(config-if)# no shutdown
Router(config-if)# exit
Router(config)# ipv6 unicast-routing

3. Router# configure terminal

Router(config)# interface fastethernet 0/0

Router(config-if)# ipv6 address 2001:db8:bced:1::9/64

Router(config-if)# no shutdown

4. Router# configure terminal

Router(config)# interface fastethernet 0/0

Router(config-if)# ip address 2001:db8:bced:1::9/64

Router(config-if)# ip address 192.168.1.254 255.255.255.0

Router(config-if)# no shutdown

18 ¿Qué dos partes son componentes de una dirección IPv4? (Elija dos opciones).
1. porción de red

2. porción de host
3. porción lógica

4. parte física

5. porción de radiodifusión

6. porción de subred

19 ¿Qué dirección IPv6 es más comprimida para la plena
FE80: 0: 0: 0: 2AA: FF: FE9A: Dirección 4CA3?

FE80 :: 2AA: FF: FE9A: 4CA3

FE80 :: 0: 2AA: FF: FE9A: 4CA3

FE80 ::: 0: 2AA: FF: FE9A: 4CA3

FE8 :: 2AA: FF: FE9A: 4CA3

20.

¿Qué mensaje se muestra en el servidor web?

1. Correct configuration!

2. IPv6 address configured!

3. You did it right!

4. Successful configuration!

21.

22 Se envía un mensaje a todos los hosts de una red remota. ¿Qué tipo de mensaje es?
1. broadcast dirigida

2. broadcast limitada

3. unicast

4. multicast

23 ¿Cuál es la notación de longitud de prefijo para la máscara de subred 255.255.255.224?

1. / 27

2. / 26

3. / 25

4. / 28

24 Coloque las opciones en el siguiente orden:

Dirección de host

[+] 192.168.100.161/25

[+] 203.0.113.100/24

[+] 10.0.50.10/30

Dirección de red

[#] 192.168.1.80/29

[#] 172.110.12.64/28

[#] 10.10.10.128/25

Dirección de broadcast

[*] 10.0.0.159/27

[*] 192.168.1.191/26

English

1. What is a result of connecting two or more switches together?

The number of broadcast domains is increased.

The size of the broadcast domain is increased.*

The number of collision domains is reduced.

The size of the collision domain is increased.

2. Refer to the exhibit. How many broadcast domains are there?

1

2

3

4*

3. What are two reasons a network administrator might want to create subnets? (Choose two.)

simplifies network design

improves network performance*

easier to implement security policies*

reduction in number of routers needed

reduction in number of switches needed

4. Refer to the exhibit. A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit?

255.255.255.0

255.255.255.128*

255.255.255.192

255.255.255.224

255.255.255.240

5. Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?

IP address: 192.168.10.65 subnet mask: 255.255.255.240, default gateway: 192.168.10.76

IP address: 192.168.10.38 subnet mask: 255.255.255.240, default gateway: 192.168.10.33

IP address: 192.168.10.38 subnet mask: 255.255.255.248, default gateway: 192.168.10.33*

IP address: 192.168.10.41 subnet mask: 255.255.255.248, default gateway: 192.168.10.46

IP address: 192.168.10.254 subnet mask: 255.255.255.0, default gateway: 192.168.10.1

6. If a network device has a mask of /28, how many IP addresses are available for hosts on this network?

256

254

62

32

16

14*

7. Which subnet mask would be used if 5 host bits are available?

255.255.255.0

255.255.255.128

255.255.255.224*

255.255.255.240

8. How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

510

512

1022*

1024

2046

2048

9. How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?

two

three*

four

five

10. A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices:
IP phones – 22 addresses
PCs – 20 addresses needed
Printers – 2 addresses needed
Scanners – 2 addresses needed

The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?

255.255.255.0

255.255.255.192

255.255.255.224*

255.255.255.240

255.255.255.248

255.255.255.252

11. A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)

192.168.1.16/28

192.168.1.64/27*

192.168.1.128/27

192.168.1.96/28*

192.168.1.192/28

12. A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.248. How many usable host addresses will this subnet provide?

4

6*

8

10

12

13. Refer to the exhibit.

Given the network address of 192.168.5.0 and a subnet mask of 255.255.255.224, how many total host addresses are unused in the assigned subnets?

56

60

64

68

72*

14. Refer to the exhibit. Considering the addresses already used and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?

10.16.10.160/26

10.16.10.128/28

10.16.10.64/27*

10.16.10.224/26

10.16.10.240/27

10.16.10.240/28

15. A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?

random static addresses to improve security

addresses from different subnets for redundancy

predictable static IP addresses for easier identification*

dynamic addresses to reduce the probability of duplicate addresses

16. Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

It eliminates most address configuration errors.*

It ensures that addresses are only applied to devices that require a permanent address.

It guarantees that every device that needs an address will get one.

It provides an address only to devices that are authorized to be connected to the network.

It reduces the burden on network support staff.*

17. A DHCP server is used to assign IP addresses dynamically to the hosts on a network. The address pool is configured with 192.168.10.0/24. There are 3 printers on this network that need to use reserved static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?

254

251*

252

253

18. Refer to the exhibit. A company is deploying an IPv6 addressing scheme for its network. The company design document indicates that the subnet portion of the IPv6 addresses is used for the new hierarchical network design, with the site subsection to represent multiple geographical sites of the company, the sub-site section to represent multiple campuses at each site, and the subnet section to indicate each network segment separated by routers. With such a scheme, what is the maximum number of subnets achieved per sub-site?

0

4

16*

256

19. What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?

2001:DB8:BC15

2001:DB8:BC15:A*

2001:DB8:BC15:A:1

2001:DB8:BC15:A:12

20. Consider the following range of addresses:

2001:0DB8:BC15:00A0:0000::

2001:0DB8:BC15:00A1:0000::

2001:0DB8:BC15:00A2:0000::

…

2001:0DB8:BC15:00AF:0000::

The prefix-length for the range of addresses is /60

21. Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.)

Place the options in the following order.

— not scored —
192.168.1.68 -> 192.168.1.64/27
— not scored —
192.168.1.48 -> 192.168.1.32/27
192.168.1.121 -> 192.168.1.96/27

22. Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network. (Not all options are used.)

Place the options in the following order.