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QUESTIONS OF NETWORK LAN

1. Which two layers of the OSI model have the same functions as the TCP/IPmodel Network Access Layer? (Choose two.)A. Transport

B. PhysicalC. NetworkD. Data LinkE. Session

2. What is a primary function of the trailer information added by the data linklayer?

A. Encapsulation?B. Supports error detectionC. Ensures ordered arrival of data

D.

Provides delivery to correct destinationE. Identifies the devices on the local networkF. Assists intermediary devices with processing and path selection

3. During the encapsulation process, what occurs at the data link layer?A. No address is added.B. The logical address is added.C. The physical address is added.D. The process port number is added.

4. Which layer encapsulates the segment into packets?A. physicalB. data linkC. networkD. transport

5. What is the proper order of the layers of the OSI model from the highest layerto the lowest layer?A. physical, network, application, data link, presentation, session, transportB. application, physical, session, transport, network, data link, presentationC. application, presentation, physical, session, data link, transport, networkD. application, presentation, session, transport, network, data link, physicalE. presentation, data link, session, transport, network, physical, application

6. Which three statements best describe a Local Area Network (LAN)? (Choosethree.)A. A LAN is usually in a single geographical area.B. The network is administered by a single organization.C. The connection between segments in the L AN is usually through a leased

connection.D. The security and access control of the network are controlled by a service

provider.

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E. A LAN provides network services and access to applications for users withina common organization.

7. A network administrator is designing a network for a new branch office oftwenty-five users. What are the advantages of using a client-server model?(Choose two.)A. centralized administration does not require specialized softwareB. security is easier to enforceC. lower cost implementationD. provides a single point of failure

8. Which two protocols are used to control the transfer of web resources from aweb server to a client browser? (Choose two.)A. FTPB. HTML

C. HTTPD. HTTPSE. IP

9. If the default gateway is configured incorrectly on the host, what is theimpact on communications?A. The host is unable to communicate on the local network.B. The host can communicate with other hosts on the local network, but is

unable to communicate with hosts on remote networks.C. The host can communicate with other hosts on remote networks, but is

unable to communicate with hosts on the local network.D. There is no impact on communications10. What is the purpose of a default gateway?

A. physically connects a computer to a networkB. provides a permanent address to a computerC. identifies the network to which a computer is connectedD. identifies the logical address of a networked computer and uniquely

identifies it to the rest of the networkE. identifies the device that allows local network computers to communicate

with devices on other networks

11. Cul es la longitud mxima de cable fast ETHERNET 100 BASETx estndar?A. 10 mB. 50 mC. 100 mD. 1000 m

12. Supngase que se aaden dos Switch nuevos a una red ya existente que tienecinco Switch. Si se tiene una topologa en estrella con uno de los Switch en elcentro. cuntas nuevas lneas de cables sern necesarias?A. 6 lneas de cables

B.

7 lneas de cablesC. 14 lneas de cables

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D. 5 lneas de cables13. Qu diagrama de cableado muestra la salida de pines de extremo a extremo

para un cable de interconexin cruzada utilizado por los dispositivos Cisco?

14. Cules de los siguientes comandos se pueden utilizar en una computadorabasada en sistema operativo Windows para visualizar la configuracin IPactual del sistema?

A. configipB. ifconfigC. ipconfigD. winipcfg

E. winipconfig

15. Qu tipo de cable de red UTP permite conectar dos Switches administrables?

A. DirectoB. CruzadoC. TranspuestoD. De conexin

16. Qu se verifica con el comando ping 127.0.0.1? 17.

A. La configuracin de red TCP/IP y se conoce como prueba de loopbackinterno

B. La conexin con el host remoto con direccin IP 127.0.0.1C. Si se puede alcanzar el router que conecta la red local a otras redesD. La ruta que toman los paquetes entre el host local y el host con direccin IP

127.0.0.1

17. Cul de las siguientes afirmaciones son verdaderas? (Escoja dos)A. Las direcciones lgicas son usadas para enviar paquetes de una red a otraB. Las direcciones de hardware son usadas para encontrar un host en una red

o LAN

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C. Las direcciones de hardware son usadas para recibir paquetes de una red aotra

D. Las direcciones lgicas son usadas para encontrar un host en una red o LAN.

18. Supngase que se aaden dos dispositivos nuevos a una red ya existente quetiene cuatro dispositivos. Si se tiene una topologa en malla totalmenteconectada cuntas nuevas lneas de cables sern necesarias?A. 6 lneas de cableB. 12 lneas de cableC. 15 lneas de cableD. 18 lneas de cable

19. Asocie las siguientes terminologas de redes con su correspondiente definicin

TERMINOLOGA DEFINICIN

1 WAN a Medio que utiliza las ondas del espectroelectromagntico para la transmisin yrecepcin de informacin

2 Fibra ptica b Conjunto de dispositivos y mediosinterconectados entre s para la transmisin yrecepcin de informacin a grandes distancias

3 Radio frecuencia c Conjunto de dispositivos interconectados entres para compartir recursos y servicios a travs deondas electromagnticas

4 WLAN d Medio inmune a interferencias

electromagnticas que permite la transmisin yrecepcin de datos en forma de impulsosluminosos a largas distancias

A. 1 a, 2 b, 3 c, 4 dB. 1 b, 2 d, 3 a, 4 cC. 2 c, 3 b, 4 c, 1 dD. 3 d, 4c, 2 b, 1 a

20. En una gasolinera, se quiere conectar los surtidores de combustible al DataCenter, los mismos que estn separados unos 40 metros. Seleccione el medio

de conectividad ms adecuado y seguro.A. Enlace inalmbrico Surtidor-Data Center, a travs de un Access PointB. Conexin directa Surtidor-Data Center, utilizando cable UTP cat. 6C. Conexin Directa Surtidor-Data Center, utilizando cable coaxialD. Conexin Directa Surtidor-Data Center, utilizando Fibra ptica