6: Link Layer and LANs Flashcards
1
Q
What is the link layer?
A
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2
Q
What is the link layer responsible for?
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3
Q
What is a LAN?
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4
Q
What is ethernet?
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5
Q
What are nodes?
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6
Q
What is aframe?
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7
Q
WHat is the data-link layer?
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8
Q
What is framing?
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9
Q
What is flow control?
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10
Q
What are half-duplex connections?
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11
Q
What are full-duplex connections?
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12
Q
What is error detection and error correction?
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13
Q
Where are link-layer protocols implemented?
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14
Q
What is a NIC?
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15
Q
What is single bit parity?
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16
Q
What is two-dimensional bit parity?
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17
Q
What is an Internet checksum?
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18
Q
How do Internet checksums work?
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19
Q
What is a Cyclic redundancy check?
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20
Q
How are the data bits, CRC bits, and generator related in CRC?
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21
Q
What are the 2 types of links?
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22
Q
What are point-to-point links?
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23
Q
What are broadcast links?
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24
Q
What is a multiple access protocol?
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25
How do MAC protocols work?
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26
What are the 3 main types of MAC protcool?
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27
What is TDMA?
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28
What is FDMA?
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29
What are random access MAC protocols?
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30
What is tha ALOHA protocol?
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31
What is the Slotted ALOHA protocol?
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32
How does Slotted ALOHA work?
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33
How doe you find efficiency with Slotted ALOHA?
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34
How does pure ALOHA work?
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35
How doe you find efficiency with pure ALOHA?
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36
What is CSMA?
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37
How does CSMA work?
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38
How do collisions occur in CSMA?
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39
What is CSMA/CD?
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40
How does CSMA/CD work?
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41
What is the Ethernet CSMA/CD algorithm?
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42
How do you dinf efficiency with the CSMA/CD algorithm?
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43
What are “Taking turns” MAC protocols?
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44
What are channel partitioning MAC protocols?
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45
What are random access MAC protocols?
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46
What is polling in “Taking turns” MAC protocols?
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47
What is token passing in “Taking turns” MAC protocols?
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48
What are MAC addresses?
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49
What is the ARP protocol?
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50
What are LAN addresses?
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51
What are ARP tables?
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52
How does the addressing of IP datagrams to nodes on different LANs work?
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53
What is Ethernet?
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54
What are the topologies of Ethernet-based networks?
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55
What is an Ethernet frame?
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56
What is the structure of an Ethernet frame?
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57
What are the key features of Ethernte?
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58
What are Ethernet standards? Why are there many?
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59
What are ethernet switches?
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60
How do Ethernet switches work?
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61
What is switching?
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62
What are switch tables?
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63
How do switches learn?
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64
What is frame filtering and forwarding?
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65
How do self-learning and forwarding work in switches?
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66
How does self-learning work with multiple interconnected switches?
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67
What are the differences between switches and routers?
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68
What are VLANs?
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69
What are port-based VLANs?
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70
What are the key features of port-based VLANs?
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71
What is a trunk port?
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