In this particular topic you have learned Wired LANs: Ethernet, the most widely used local area network protocol. This chapter discuss the Ethernet evolution through four generations: Standard Ethernet, Fast Ethernet, Gigabit Ethernet and Ten-Gigabit Ethernet. If you skip the summary visit Wired LANs: Ethernet .
Begin and Good luck!
- __________ uses four twisted pairs.
- A) 1000Base-LX
- B) 1000Base-T
- C) 1000Base-SX
- D) none of the above
- 1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding.
- A) 8B/10B; NRZ
- B) 4B/5B; NRZ
- C) 8B/10B; NRZ
- D) 4B/5B; MLT-3
- _________ uses two fiber-optic cables.
- A) 100Base-FX
- B) 100Base-T4
- C) 100Base-TX
- D) none of the above
- __________ uses two optical fibers and a short-wave laser source.
- A) 1000Base-LX
- B) 1000Base-SX
- C) 1000Base-T
- D) none of the above
- What is the hexadecimal equivalent of the Ethernet address 01011010 00010001 01010101 00011000 10101010 00001111?
- A) 5A:81:BA:81:AA:0F
- B) 5A:11:55:18:AA:0F
- C) 5A:88:AA:18:55:F0
- D) 5A:18:5A:18:55:0F
- In Ethernet addressing, if all the bits are 1s, the address is _________.
- A) multicast
- B) broadcast
- C) unicast
- D) none of the above
- If an Ethernet destination address is 07:01:02:03:04:05, then this is a ______ address.
- A) broadcast
- B) unicast
- C) multicast
- D) any of the above
- Each station on an Ethernet network has a unique _______ address imprinted on its network interface card (NIC).
- A) 48-bit
- B) 32-bit
- C) 5-byte
- D) none of the above
- Gigabit Ethernet has a data rate of ________Mbps.
- A) 10,000
- B) 1000
- C) 100
- D) 10
- In the Ethernet frame, the _______ field contains error detection information.
- A) address
- B) preamble
- C) CRC
- D) none of the above
- 100Base-T4 uses ________ line coding.
- A) 8B6T
- B) Manchester
- C) MLT-3
- D) NRZ
- ________uses long-wave 1310-nm single mode fiber.
- A) 10GBase-E
- B) 10GBase-S
- C) 10GBase-L
- D) none of the above
- ______defines a protocol data unit (PDU) that is somewhat similar to that of HDLC.
- A) LLC
- B) LLU
- C) MAC
- D) none of the above
- 100Base-TX uses _________ block coding and ________ line coding.
- A) 8B/10B; NRZ
- B) 4B/5B; MLT-3
- C) 4B/5B; NRZ
- D) 8B/10B; NRZ
- The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing.
- A) MAC
- B) MII
- C) LLC
- D) none of the above
- _______ is the most widely used local area network protocol.
- A) Token Bus
- B) Ethernet
- C) Token Ring
- D) none of the above
- In Ethernet addressing, if the least significant bit of the first byte is 1, the address is _________.
- A) multicast
- B) broadcast
- C) unicast
- D) none of the above
- Gigabit Ethernet access methods include _______ mode.
- A) full-duplex
- B) half-duplex
- C) both (a) and (b)
- D) neither (a) nor (b)
- _________ uses four pairs of voice-grade, or higher, twisted-pair cable.
- A) 100Base-T4
- B) 100Base-FX
- C) 100Base-TX
- D) none of the above
- Standard Ethernet (10-Mbps) uses _______ encoding.
- A) AMI
- B) Manchester
- C) NRZ
- D) differential Manchester
- In _________, auto negotiation allows two devices to negotiate the mode or data rate of operation.
- A) Ten-Gigabit Ethernet
- B) Gigabit Ethernet
- C) Fast Ethernet
- D) Standard
- If an Ethernet destination address is 08:07:06:05:44:33, then this is a ______ address.
- A) broadcast
- B) unicast
- C) multicast
- D) any of the above
- ________ uses short-wave 850-nm multimode fiber.
- A) 10GBase-E
- B) 10GBase-L
- C) 10GBase-S
- D) none of the above
- Which of the following could not be an Ethernet multicast destination?
- A) 7B:AA:C1:23:45:32
- B) 7C:56:21:1A:DE:F4
- C) 83:32:21:21:4D:34
- D) B7:7B:6C:DE:10:00
- __________ uses thin coaxial cable.
- A) 10Base2
- B) 10Base5
- C) 10Base-F
- D) 10Base-T
- In the Ethernet, the _______field is actually added at the physical layer and is not (formally) part of the frame.
- A) address
- B) CRC
- C) preamble
- D) none of the above
- Fast Ethernet has a data rate of ________Mbps.
- A) 10,000
- B) 1000
- C) 100
- D) 10
- The purpose of the _______ is to provide flow and error control for the upper-layer protocols that actually demand these services.
- A) LLC
- B) LLU
- C) MAC
- D) none of the above
- __________ uses two pairs of twisted-pair cable.
- A) 100Base-T4
- B) 100Base-TX
- C) 100Base-FX
- D) none of the above
- ________ uses fiber-optic cable.
- A) 10Base2
- B) 10Base-F
- C) 10Base-T
- D) 10Base5
- In Ethernet addressing, if the least significant bit of the first byte is 0, the address is _________.
- A) broadcast
- B) multicast
- C) unicast
- D) none of the above
- ________ uses 1550-mm single mode fiber.
- A) 10GBase-E
- B) 10GBase-S
- C) 10GBase-L
- D) none of the above
- 1000Base-T uses ________ line coding.
- A) MLT-3
- B) 4D-PAM5
- C) Manchester
- D) 8B6T
- The maximum frame length for 10-Mbps Ethernet is ________ bytes.
- A) 1200
- B) 1518
- C) 1500
- D) none of the above
- The minimum frame length for 10-Mbps Ethernet is _______bytes.
- A) 128
- B) 80
- C) 32
- D) none of the above
- __________uses two optical fibers and a long-wave laser source.
- A) 1000Base-T
- B) 1000Base-SX
- C) 1000Base-LX
- D) none of the above
- The _______ layer of Ethernet consists of the LLC sublayer and the MAC sublayer.
- A) network
- B) data link
- C) physical
- D) none of the above
- 100Base-FX uses _________ block coding and ________ line coding.
- A) 8B/10B; NRZ
- B) 4B/5B; MLT-3
- C) 8B/10B; NRZ
- D) 4B/5B; NRZ-I
- Which of the following could not be an Ethernet unicast destination?
- A) 46:56:21:1A:DE:F4
- B) 43:7B:6C:DE:10:00
- C) 48:32:21:21:4D:34
- D) 44:AA:C1:23:45:32
- _________ uses thick coaxial cable.
- A) 10Base2
- B) 10Base5
- C) 10Base-F
- D) 10Base-T
- The IEEE 802.3 Standard defines _________ CSMA/CD as the access method for first-generation 10-Mbps Ethernet.
- A) non-persistent
- B) p-persistent
- C) 1-persistent
- D) none of the above
- _________ uses four twisted-pair cables that connect each station to a common hub.
- A) 10Base-F
- B) 10Base-T
- C) 10Base5
- D) 10Base2
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