6: Link Layer and LANs

Question 1

What is the link layer?

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Question 2

What is the link layer responsible for?

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Question 3

What is a NIC?

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Question 4

What are ARP tables?

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Question 5

What are nodes?

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Question 6

What is aframe?

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Question 7

WHat is the data-link layer?

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Question 8

What is framing?

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Question 9

How are the data bits, CRC bits, and generator related in CRC?

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Question 10

What are half-duplex connections?

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Question 11

How do you dinf efficiency with the CSMA/CD algorithm?

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Question 12

What is error detection and error correction?

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Question 13

Where are link-layer protocols implemented?

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Question 14

How does pure ALOHA work?

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Question 15

What is two-dimensional bit parity?

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Question 16

What is an Internet checksum?

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Question 17

How doe you find efficiency with pure ALOHA?

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Question 18

What are the 2 types of links?

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Question 19

What are point-to-point links?

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Question 20

What is CSMA?

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Question 21

What is a multiple access protocol?

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Question 22

How do MAC protocols work?

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Question 23

What are the 3 main types of MAC protcool?

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Question 24

What are the key features of port-based VLANs?

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Question 25

What are the differences between switches and routers?

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Question 26

What is frame filtering and forwarding?

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Question 27

What are LAN addresses?

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Question 28

What is the Slotted ALOHA protocol?

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Question 29

How does CSMA work?

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Question 30

What are channel partitioning MAC protocols?

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Question 31

What is CSMA/CD?

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Question 32

How does CSMA/CD work?

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Question 33

How do switches learn?

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Question 34

What are random access MAC protocols?

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Question 35

What is polling in “Taking turns” MAC protocols?

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Question 36

What is token passing in “Taking turns” MAC protocols?

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Question 37

What are MAC addresses?

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Question 38

What is the ARP protocol?

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Question 39

How does the addressing of IP datagrams to nodes on different LANs work?

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Question 40

What is Ethernet?

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Question 41

What are the topologies of Ethernet-based networks?

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Question 42

What is an Ethernet frame?

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Question 43

What is the structure of an Ethernet frame?

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Question 44

What are Ethernet standards? Why are there many?

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Question 45

What are ethernet switches?

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Question 46

How do Ethernet switches work?

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Question 47

What is switching?

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Question 48

What are switch tables?

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Question 49

How do self-learning and forwarding work in switches?

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Question 50

How does self-learning work with multiple interconnected switches?

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Question 51

What are VLANs?

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Question 52

What are port-based VLANs?

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Question 53

What is a trunk port?

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