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- April 15, 2002 What is the purpose of a NIC? B. provides the host's access to the medium Question 2: When creating a network from just two PCs, what kind of cable would be used to directly connect them? D. UTP crossover cable Question 3: What are the most important traffic-regulating devices on large networks? C. routers Question 4: Which statement best describes bridges and the way they make forwarding decisions? C. they operate at OSI Layer 2 and use MAC addresses to make decisions Question 5: Because a cloud is not really a device, but a collection of assumed capabilities, which OSI layers are represented in a cloud? D. Layers 1-7 Question 6: A hub operates at which OSI layer? A. 1 Question 7: What does a switch use to make data forwarding decisions? B. MAC address Question 8: At which OSI layer does a repeater function? A. 1 Question 9: Which material is used for network media? D. fiber Question 10: Which could be considered a layer 1-7 device? D. computer Question 11: Routers operate primarily at what layer of the OSI model? C. Layer 3 Question 12: Which layer of the OSI model describes networking media? C. physical layer Question 13: Which is considered a layer 2 device? C. switch Question 14: What is the purpose of a repeater? B. amplifies and retimes network signals Question 15: What is a type of logical topology? D. token passing Question 16: At which layer of the OSI model is the NIC located? A. Layer 2 Question 17: What is the function of a transceiver? A. extends the length of network segment B. converts one media type to another C. segments two LANS D. increases the number of devices on a segment Question 18: What is another name for a multi-port repeater? C. hub Question 19: What is the primary purpose of a router? A. to make packet forwarding decisions based on physical addresses B. to make packet forwarding decisions based on logical addresses Question 20: What data units are associated with OSI Layer 1? A. bits Question 21: If 4 hosts are connected to a hub how many IP addresses are required for these 5 devices? C. four Question 22: What is the correct order of encapsulation? A. data, segment, packet, frame, bits |
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