Brian Gamble
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Fundamentals of Ethernet LANs

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Brian Gamble
Creado por Brian Gamble hace más de 8 años
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DIKTA ICND1 Ch 2

DIKTA ICND1 Ch 2

Pregunta 1 de 8

1

In the LAN for a small office, some user devices connect to the LAN using a cable, while others connect using wireless technology (and no cable). Which of the following is true regarding the use of Ethernet in this LAN?

Selecciona una de las siguientes respuestas posibles:

  • Only the devices that use cables are using Ethernet.

  • Only the devices that use wireless are using Ethernet.

  • Both the devices using cables and those using wireless are using Ethernet.

  • None of the devices are using Ethernet.

Explicación

Pregunta 2 de 8

1

Which of the following Ethernet standards defines Gigabit Ethernet over UTP cabling?

Selecciona una de las siguientes respuestas posibles:

  • 10GBASE-T

  • 100BASE-T

  • 1000BASE-T

  • None of these

Explicación

Pregunta 3 de 8

1

Which of the following is true about Ethernet crossover cables for Fast Ethernet?

Selecciona una de las siguientes respuestas posibles:

  • Pins 1 and 2 are reversed on the other end of the cable.

  • Pins 1 and 2 on one end of the cable connect to pins 3 and 6 on the other end of the cable.

  • Pins 1 and 2 on one end of the cable connect to pins 3 and 4 on the other end of the cable.

  • The cable can be up to 1000 meters long to cross over between buildings.

  • None of these

Explicación

Pregunta 4 de 8

1

Each answer lists two types of devices used in a 100BASE-T network. If these devices were connected with UTP Ethernet cables, which pairs of devices would require a straight-through cable? (Choose three answers.)

Selecciona una o más de las siguientes respuestas posibles:

  • PC and router

  • PC and switch

  • Hub and switch

  • Router and hub

  • Wireless access point (Ethernet port) and switch

Explicación

Pregunta 5 de 8

1

Which of the following is true about the CSMA/CD algorithm?

Selecciona una de las siguientes respuestas posibles:

  • The algorithm never allows collisions to occur.

  • Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover.

  • The algorithm works with only two devices on the same Ethernet.

  • None of these

Explicación

Pregunta 6 de 8

1

Which of the following is true about the Ethernet FCS field?

Selecciona una de las siguientes respuestas posibles:

  • Ethernet uses FCS for error recovery.

  • It is 2 bytes long.

  • It resides in the Ethernet trailer, not the Ethernet header.

  • It is used for encryption.

Explicación

Pregunta 7 de 8

1

Which of the following are true about the format of Ethernet addresses? (Choose three answers.)

Selecciona una o más de las siguientes respuestas posibles:

  • Each manufacturer puts a unique OUI code into the first 2 bytes of the address.

  • Each manufacturer puts a unique OUI code into the first 3 bytes of the address.

  • Each manufacturer puts a unique OUI code into the first half of the address.

  • The part of the address that holds this manufacturer’s code is called the MAC

  • The part of the address that holds this manufacturer’s code is called the OUI.

  • The part of the address that holds this manufacturer’s code has no specific name.

Explicación

Pregunta 8 de 8

1

Which of the following terms describe Ethernet addresses that can be used to send one frame that is delivered to multiple devices on the LAN? (Choose two answers.)

Selecciona una o más de las siguientes respuestas posibles:

  • Burned-in address

  • Unicast address

  • Broadcast address

  • Multicast address

Explicación

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