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Test

2-Ethernet Framing

Алишер Хасен 11 preguntas

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Preguntas del test (11)

  1. 1(Multiple Choice) Which layers in OSI reference model belong to upper layer, also called as host layer and are responsible for data transmission and providing interface for user? (Select 3 Answers)
    1. AData link layer 1 2 3
    2. BApplication layer 2
    3. CPresentation layer 1
    4. DSession layer 1
    5. ENetwork layer 2 3
    6. FTransport layer 3
  2. 2(Single Choice) According to OSI reference model, which of the following statements about the function of network layer is correct?
    1. AEnsure the correctness of data transmission
    2. BError correction and flow control
    3. CControl transmission of bit flow
    4. DControl the forwarding and routing of data packet
  3. 3(Single Choice) MAC address consists of two parts: provider number and serial number. The first 24 bits of MAC address represents provider number, which of the following is the provider number of Huawei?
    1. A00e0fc
    2. B0003cf
    3. C1
    4. D0010fe
  4. 4(Single Choice) In the OSI reference model, one layer transmits bit streams between devices. Which of the following layers stands for this layer?
    1. AData Link Layer
    2. BPhysical Layer
    3. CNetwork Layer
    4. DApplication Layer
  5. 5(Single Choice) An L2 switch checks the MAC address forwarding table before it forwards a packet. How does the L2 switch forward a packet that contains an address not listed in the MAC address forwarding table?
    1. AMulticast
    2. BBroadcast
    3. CUnicast
    4. DSearching for routes
  6. 6(Multiple Choice) According to OSI reference model, which of the following presents the correct layer sequence if packet goes from the bottom of the protocol stack to the top?
    1. APhysical, Data link, Network, Transport, Session, Presentation, Application
    2. BPhysical, Data link, Network, Transport, Presentation, Session, Application
    3. CPhysical, Transport, Data link, Network, Presentation, Session, Application
    4. DPhysical, Data link, Transport, Presentation, Network, Session, Application
  7. 7(Single Choice) The data forwarding of the switch is based on ( ).
    1. ASource MAC address
    2. BDestination IP address
    3. CSource IP address
    4. DDestination MAC address
  8. 8(Single Choice) IEEE 802.3 frame contains ( ) bits of DSAP field. It is used to indicate the upper layer protocols that are used.
    1. A8
    2. B4
    3. C16
    4. D24
  9. 9(Single Choice) Which of the following commands can be used to set Ethernet port so that buffer will not overflow when congestion occurs?
    1. AFlow on
    2. BFlow-control
    3. CFlow control
    4. DEnable flow-control
  10. 10(Multiple Choice) Which of the following are advantages of layer 2 switch compared with hub? (Select 3 Answers)
    1. AIncrease the collision
    2. BHigher throughput
    3. CIsolate collision domains
    4. DHigher port density

Información

Descripción
Engineering Test sobre 2-Ethernet Framing, creado por Алишер Хасен el 12/12/2018.
Idioma
English
Visitas
8
Etiquetas
engineering
Valoración
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