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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 |
|
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 |
|
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. |
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| | 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. |
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| | 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 |
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| | 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. |
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| | 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 |