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| 1 | What is the hexadecimal equivalent of the Ethernet address 01011010 00010001 01010101 00011000 10101010 00001111? |
 | A) | 5A:88:AA:18:55:F0 |
| B) | 5A:81:BA:81:AA:0F |
| C) | 5A:18:5A:18:55:0F |
| D) | 5A:11:55:18:AA:0F |
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| 2 | If an Ethernet destination address is 07:01:02:03:04:05, then this is a ______ address. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | any of the above |
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| 3 | If an Ethernet destination address is 08:07:06:05:44:33, then this is a ______ address. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | any of the above |
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| 4 | Which of the following could not be an Ethernet unicast destination? |
| A) | 43:7B:6C:DE:10:00 |
| B) | 44:AA:C1:23:45:32 |
| C) | 46:56:21:1A:DE:F4 |
| D) | 48:32:21:21:4D:34 |
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| 5 | Which of the following could not be an Ethernet multicast destination? |
| A) | B7:7B:6C:DE:10:00 |
| B) | 7B:AA:C1:23:45:32 |
| C) | 7C:56:21:1A:DE:F4 |
| D) | 83:32:21:21:4D:34 |
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| 6 | _______ is the most widely used local area network protocol. |
| A) | Token Ring |
| B) | Token Bus |
| C) | Ethernet |
| D) | none of the above |
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| 7 | The IEEE 802.3 Standard defines _________ CSMA/CD as the access method for first-generation 10-Mbps Ethernet. |
| A) | 1-persistent |
| B) | p-persistent |
| C) | non-persistent |
| D) | none of the above |
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| 8 | The _______ layer of Ethernet consists of the LLC sublayer and the MAC sublayer. |
| A) | data link |
| B) | physical |
| C) | network |
| D) | none of the above |
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| 9 | The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing. |
| A) | LLC |
| B) | MII |
| C) | MAC |
| D) | none of the above |
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| 10 | Each station on an Ethernet network has a unique _______ address imprinted on its network interface card (NIC). |
| A) | 5-byte |
| B) | 32-bit |
| C) | 48-bit |
| D) | none of the above |
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| 11 | The minimum frame length for 10-Mbps Ethernet is _______bytes. |
| A) | 32 |
| B) | 80 |
| C) | 128 |
| D) | none of the above |
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| 12 | The maximum frame length for 10-Mbps Ethernet is ________ bytes. |
| A) | 1518 |
| B) | 1500 |
| C) | 1200 |
| D) | none of the above |
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| 13 | _________ uses thick coaxial cable. |
| A) | 10Base5 |
| B) | 10Base2 |
| C) | 10Base-T |
| D) | 10Base-F |
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| 14 | __________ uses thin coaxial cable. |
| A) | 10Base5 |
| B) | 10Base2 |
| C) | 10Base-T |
| D) | 10Base-F |
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| 15 | _________ uses four twisted-pair cables that connect each station to a common hub. |
| A) | 10Base5 |
| B) | 10Base2 |
| C) | 10Base-T |
| D) | 10Base-F |
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| 16 | ________ uses fiber-optic cable. |
| A) | 10Base5 |
| B) | 10Base2 |
| C) | 10Base-T |
| D) | 10Base-F |
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| 17 | Fast Ethernet has a data rate of ________Mbps. |
| A) | 10 |
| B) | 100 |
| C) | 1000 |
| D) | 10,000 |
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| 18 | In _________, autonegotiation allows two devices to negotiate the mode or data rate of operation. |
| A) | Standard |
| B) | Fast Ethernet |
| C) | Gigabit Ethernet |
| D) | Ten-Gigabit Ethernet |
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| 19 | __________ uses two pairs of twisted-pair cable. |
| A) | 100Base-TX |
| B) | 100Base-FX |
| C) | 100Base-T4 |
| D) | none of the above |
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| 20 | _________ uses two fiber-optic cables. |
| A) | 100Base-TX |
| B) | 100Base-FX |
| C) | 100Base-T4 |
| D) | none of the above |
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| 21 | _________ uses four pairs of voice-grade, or higher, twisted-pair cable. |
| A) | 100Base-TX |
| B) | 100Base-FX |
| C) | 100Base-T4 |
| D) | none of the above |
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| 22 | Gigabit Ethernet has a data rate of ________Mbps. |
| A) | 10 |
| B) | 100 |
| C) | 1000 |
| D) | 10,000 |
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| 23 | Gigabit Ethernet access methods include _______ mode. |
| A) | half-duplex |
| B) | full-duplex |
| C) | both (a) and (b) |
| D) | neither (a) nor (b) |
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| 24 | __________ uses two optical fibers and a short-wave laser source, |
| A) | 1000Base-SX |
| B) | 1000Base-LX |
| C) | 1000Base-T |
| D) | none of the above |
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| 25 | __________uses two optical fibers and a long-wave laser source. |
| A) | 1000Base-SX |
| B) | 1000Base-LX |
| C) | 1000Base-T |
| D) | none of the above |
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| 26 | __________ uses four twisted pairs. |
| A) | 1000Base-SX |
| B) | 1000Base-LX |
| C) | 1000Base-T |
| D) | none of the above |
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| 27 | ________ uses short-wave 850-nm multimode fiber. |
| A) | 10GBase-S |
| B) | 10GBase-L |
| C) | 10GBase-E |
| D) | none of the above |
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| 28 | ________uses long-wave 1310-nm single mode fiber. |
| A) | 10GBase-S |
| B) | 10GBase-L |
| C) | 10GBase-E |
| D) | none of the above |
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| 29 | ________ uses 1550-mm single mode fiber. |
| A) | 10GBase-S |
| B) | 10GBase-L |
| C) | 10GBase-E |
| D) | none of the above |
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| 30 | In Ethernet addressing, if the least significant bit of the first byte is 0, the address is _________. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | none of the above |
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| 31 | In Ethernet addressing, if the least significant bit of the first byte is 1, the address is _________. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | none of the above |
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| 32 | In Ethernet addressing, if all the bits are 1s, the address is _________. |
| A) | unicast |
| B) | multicast |
| C) | broadcast |
| D) | none of the above |
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| 33 | ______defines a protocol data unit (PDU) that is somewhat similar to that of HDLC. |
| A) | MAC |
| B) | LLC |
| C) | LLU |
| D) | none of the above |
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| 34 | The purpose of the _______ is to provide flow and error control for the upper-layer protocols that actually demand these services |
| A) | MAC |
| B) | LLC |
| C) | LLU |
| D) | none of the above |
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| 35 | In the Ethernet, the _______field is actually added at the physical layer and is not (formally) part of the frame. |
| A) | CRC |
| B) | preamble |
| C) | address |
| D) | none of the above |
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| 36 | In the Ethernet frame, the _______ field contains error detection information. |
| A) | CRC |
| B) | preamble |
| C) | address |
| D) | none of the above |
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| 37 | Standard Ethernet (10-Mbps) uses _______ encoding |
| A) | NRZ |
| B) | AMI |
| C) | Manchester |
| D) | differential Manchester |
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| 38 | 100Base-TX uses _________ block coding and ________ line coding. |
| A) | 4B/5B; NRZ |
| B) | 8B/10B; NRZ |
| C) | 4B/5B; MLT-3 |
| D) | 8B/10B; NRZ |
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| 39 | 100Base-FX uses _________ block coding and ________ line coding. |
| A) | 4B/5B; NRZ-I |
| B) | 8B/10B; NRZ |
| C) | 4B/5B; MLT-3 |
| D) | 8B/10B; NRZ |
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| 40 | 100Base-T4 uses ________ line coding. |
| A) | NRZ |
| B) | 8B6T |
| C) | MLT-3 |
| D) | Manchester |
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| 41 | 1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. |
| A) | 4B/5B; NRZ |
| B) | 8B/10B; NRZ |
| C) | 4B/5B; MLT-3 |
| D) | 8B/10B; NRZ |
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| 42 | 1000Base-T uses ________ line coding. |
| A) | 4D-PAM5 |
| B) | 8B6T |
| C) | MLT-3 |
| D) | Manchester |