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Chabot CollegeChabot College
Chapter 2 Review QuestionsChapter 2 Review Questions
Semester IIISemester III ELEC 99.09ELEC 99.09
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1. Which of the following broadcast methods1. Which of the following broadcast methods
does an Ethernet medium use to transmit anddoes an Ethernet medium use to transmit and
receive data to all nodes on the network?receive data to all nodes on the network?
A. A packet
B. A data frame
C. A segment D. A byte at a time
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1. Which of the following broadcast methods1. Which of the following broadcast methods
does an Ethernet medium use to transmit anddoes an Ethernet medium use to transmit and
receive data to all nodes on the network?receive data to all nodes on the network?
A. A packet
B. A data frame
C. A segment D. A byte at a time
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2. What is the minimum time it takes Ethernet2. What is the minimum time it takes Ethernet
to transmit 1 byte?to transmit 1 byte?
100 ns
B. 800 ns C. 51,200 ns
D. 800 microseconds
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2. What is the minimum time it takes Ethernet2. What is the minimum time it takes Ethernet
to transmit 1 byte?to transmit 1 byte?
100 ns
B. 800 ns C. 51,200 ns
D. 800 microseconds
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3. Characteristics of microsegmentation3. Characteristics of microsegmentation
include which of the following?include which of the following?
A. Dedicated paths between sender and
receiver hosts
B. Multiple traffic paths within the switch
C. All traffic visible on network segment at
once D. A and B
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3. Characteristics of microsegmentation3. Characteristics of microsegmentation
include which of the following?include which of the following?
A. Dedicated paths between sender and
receiver hosts
B. Multiple traffic paths within the switch
C. All traffic visible on network segment at
once D. A and B
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4. LAN switches are considered to be which of4. LAN switches are considered to be which of
the following?the following?
A. Multiport repeaters operating at Layer 1
B. Multiport hubs operating at Layer 2 C. Multiport routers operating at Layer3
D. Multiport bridges operating at Layer 2
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4. LAN switches are considered to be which of4. LAN switches are considered to be which of
the following?the following?
A. Multiport repeaters operating at Layer 1
B. Multiport hubs operating at Layer 2 C. Multiport routers operating at Layer3
D. Multiport bridges operating at Layer 2
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5. Asymmetric switching is optimized for which5. Asymmetric switching is optimized for which
of the following?of the following?
A. Client/Server network traffic where the
"fast" switch port is connected to the server
B. An even distribution of network traffic
C. Switches without memory buffering
D. A and B
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5. Asymmetric switching is optimized for which5. Asymmetric switching is optimized for which
of the following?of the following?
A. Client/Server network traffic where the
"fast" switch port is connected to the server
B. An even distribution of network traffic
C. Switches without memory buffering
D. A and B
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6. In _________ switching, the switch checks6. In _________ switching, the switch checks
the destination address and immediatelythe destination address and immediately
begins forwarding the frame, and in ________begins forwarding the frame, and in ________
switching, the switch receives the completeswitching, the switch receives the complete
frame before forwarding it.frame before forwarding it.
A. Store-and-forward; symmetric
B. Cut-through; store-and-forward
C. Store-and-forward; cut-through
D. Memory buffering; cut-through
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6. In _________ switching, the switch checks6. In _________ switching, the switch checks
the destination address and immediatelythe destination address and immediately
begins forwarding the frame, and in ________begins forwarding the frame, and in ________
switching, the switch receives the completeswitching, the switch receives the complete
frame before forwarding it.frame before forwarding it.
A. Store-and-forward; symmetric
B. Cut-through; store-and-forward
C. Store-and-forward; cut-through
D. Memory buffering; cut-through
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7. The Spanning7. The Spanning--Tree Protocol allows which ofTree Protocol allows which of
the following?the following?
A. Routers to communicate link states
B. Switches to communicate hop count
C. Bridges to communicate Layer3 information
D. Redundant network paths without suffering
the effects of loops in the network
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7. The Spanning7. The Spanning--Tree Protocol allows which ofTree Protocol allows which of
the following?the following?
A. Routers to communicate link states
B. Switches to communicate hop count
C. Bridges to communicate Layer3 information
D. Redundant network paths without suffering
the effects of loops in the network
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11. How would each segment be considered in11. How would each segment be considered in
a network segmented by switches?a network segmented by switches?
A. Network B. Campus network
C. Collision domain
D. WAN
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11. How would each segment be considered in11. How would each segment be considered in
a network segmented by switches?a network segmented by switches?
A. Network B. Campus network
C. Collision domain
D. WAN
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12. In a full duplex Ethernet switch.12. In a full duplex Ethernet switch.
A. Collisions are virtually eliminated
B. Two cable pairs and a switchedconnection between each node are used
C. Connections between nodes are
considered point-to-point D. All of the above
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12. In a full duplex Ethernet switch.12. In a full duplex Ethernet switch.
A. Collisions are virtually eliminated
B. Two cable pairs and a switchedconnection between each node are used
C. Connections between nodes are
considered point-to-point D. All of the above
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13. Congestion causes which of the following13. Congestion causes which of the following
effects?effects?
A. Lower reliability and low traffic
B. High rate of collisions C. Network unpredictability and high error
rates
D. Lower response times, longer filetransfers, and network delays
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13. Congestion causes which of the following13. Congestion causes which of the following
effects?effects?
A. Lower reliability and low traffic
B. High rate of collisions C. Network unpredictability and high error
rates
D. Lower response times, longer filetransfers, and network delays
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14. Host A transmits to another host, Host B. The14. Host A transmits to another host, Host B. The
communication is such that Host A stops sendingcommunication is such that Host A stops sendinginformation content packets and then Host B beginsinformation content packets and then Host B begins
sending packets. Similarly, Host B stops when Host Asending packets. Similarly, Host B stops when Host A
starts transmitting again, Classify the transmissionstarts transmitting again, Classify the transmission
type astype as
A. Full-duplex
B. Half-duplex
C. Simplex
D. None of the above
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14. Host A transmits to another host, Host B. The14. Host A transmits to another host, Host B. The
communication is such that Host A stops sendingcommunication is such that Host A stops sendinginformation content packets and then Host B beginsinformation content packets and then Host B begins
sending packets. Similarly, Host B stops when Host Asending packets. Similarly, Host B stops when Host A
starts transmitting again, Classify the transmissionstarts transmitting again, Classify the transmission
type astype as
A. Full-duplex
B. Half-duplex
C. Simplex
D. None of the above
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15. Which of the following statements15. Which of the following statements
concerning packet forwarding in a LAN is notconcerning packet forwarding in a LAN is nottrue?true?
A. Store-and-forward packet-switching technique is theone in which frames are completely processed before
being forwarded out to the appropriate port B. Store-and-forward packet switching technique is
slower than cut-through packet switching
C. Cut-through packet switching is also known as on-
the-fly packet switching D. Buffering is required in cut-through packet switching
if the network connection or link is slow
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15. Which of the following statements15. Which of the following statements
concerning packet forwarding in a LAN is notconcerning packet forwarding in a LAN is nottrue?true?
A. Store-and-forward packet-switching technique is theone in which frames are completely processed before
being forwarded out to the appropriate port B. Store-and-forward packet switching technique is
slower than cut-through packet switching
C. Cut-through packet switching is also known as on-
the-fly packet switching D. Buffering is required in cut-through packet switching
if the network connection or link is slow
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16. Which of the following is true for a LAN16. Which of the following is true for a LAN
switch?switch?
A. Repairs network fragments known asmicrosegments
B. They are very high-speed multiport bridges
C. Higher latency is made up for by lowerbandwidth
D. Requires new network interface cards onattached hosts
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16. Which of the following is true for a LAN16. Which of the following is true for a LAN
switch?switch?
A. Repairs network fragments known asmicrosegments
B. They are very high-speed multiport bridges
C. Higher latency is made up for by lowerbandwidth
D. Requires new network interface cards onattached hosts
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17. How many collision domains would be17. How many collision domains would be
created by a 16created by a 16--port LAN switch?port LAN switch?
A. One
B. Two C. Fourteen
D. Sixteen
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17. How many collision domains would be17. How many collision domains would be
created by a 16created by a 16--port LAN switch?port LAN switch?
A. One
B. Two C. Fourteen
D. Sixteen
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18. By creating a virtual circuit with LAN18. By creating a virtual circuit with LAN
switching, what will result on the segment?switching, what will result on the segment?
A. Increased collisions
B. Decreased available bandwidth
C. Increased broadcasts
D. Increased available bandwidth
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18. By creating a virtual circuit with LAN18. By creating a virtual circuit with LAN
switching, what will result on the segment?switching, what will result on the segment?
A. Increased collisions
B. Decreased available bandwidth
C. Increased broadcasts
D. Increased available bandwidth
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19. How do switches learn the addresses of19. How do switches learn the addresses of
devices that are attached to theirports?devices that are attached to theirports?
A. Switches get the tables from a router
B. Switches read the source address of a packet
entering through a port
C. Switches exchange address tables with other
switches
D. Switches are not capable of building addresstables
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19. How do switches learn the addresses of19. How do switches learn the addresses of
devices that are attached to theirports?devices that are attached to theirports?
A. Switches get the tables from a router
B. Switches read the source address of a packet
entering through a port
C. Switches exchange address tables with other
switches
D. Switches are not capable of building addresstables
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20. What is the purpose of symmetric20. What is the purpose of symmetric
switching?switching?
A. To provide switch connections on ports withthe same bandwidths
B. To make sure the network tables aresymmetrical
C. To provide switched connections on ports withdifferent bandwidths
D. Switches onlyprovide asymmetrical switching
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20. What is the purpose of symmetric20. What is the purpose of symmetric
switching?switching?
A. To provide switch connections on ports withthe same bandwidths
B. To make sure the network tables aresymmetrical
C. To provide switched connections on ports withdifferent bandwidths
D. Switches onlyprovide asymmetrical switching
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The End