Chabot College
Chapter 2 Review Questions
Semester III
ELEC 99.09
1. Which of the following broadcast
methods does an Ethernet medium use to
transmit and receive data to all nodes on
the network?
• A. A packet
• B. A data frame
• C. A segment
• D. A byte at a time
1. Which of the following broadcast
methods does an Ethernet medium use to
transmit and receive data to all nodes on
the network?
• A. A packet
• B. A data frame
• C. A segment
• D. A byte at a time
2. What is the minimum time it takes
Ethernet to transmit 1 byte?
• 100 ns
• B. 800 ns
• C. 51,200 ns
• D. 800 microseconds
2. What is the minimum time it takes
Ethernet to transmit 1 byte?
• 100 ns
• B. 800 ns
• C. 51,200 ns
• D. 800 microseconds
3. Characteristics of microsegmentation
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
3. Characteristics of microsegmentation
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
4. LAN switches are considered to be
which of the following?
• A. Multiport repeaters operating at
Layer 1
• B. Multiport hubs operating at Layer 2
• C. Multiport routers operating at
Layer 3
• D. Multiport bridges operating at
Layer 2
4. LAN switches are considered to be
which of the following?
• A. Multiport repeaters operating at
Layer 1
• B. Multiport hubs operating at Layer 2
• C. Multiport routers operating at
Layer 3
• D. Multiport bridges operating at
Layer 2
5. Asymmetric switching is optimized for
which 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
5. Asymmetric switching is optimized for
which 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
6. In _________ switching, the switch
checks the destination address and
immediately begins forwarding the frame,
and in ________ switching, the switch
receives the complete 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
6. In _________ switching, the switch
checks the destination address and
immediately begins forwarding the frame,
and in ________ switching, the switch
receives the complete 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
7. The Spanning-Tree Protocol allows
which of the following?
• A. Routers to communicate link states
• B. Switches to communicate hop count
• C. Bridges to communicate Layer 3
information
• D. Redundant network paths without
suffering the effects of loops in the network
7. The Spanning-Tree Protocol allows
which of the following?
• A. Routers to communicate link states
• B. Switches to communicate hop count
• C. Bridges to communicate Layer 3
information
• D. Redundant network paths without
suffering the effects of loops in the network
11. How would each segment be
considered in a network segmented by
switches?
• A. Network
• B. Campus network
• C. Collision domain
• D. WAN
11. How would each segment be
considered in a network segmented by
switches?
• A. Network
• B. Campus network
• C. Collision domain
• D. WAN
12. In a full duplex Ethernet switch.
• A. Collisions are virtually eliminated
• B. Two cable pairs and a switched
connection between each node are
used
• C. Connections between nodes are
considered point-to-point
• D. All of the above
12. In a full duplex Ethernet switch.
• A. Collisions are virtually eliminated
• B. Two cable pairs and a switched
connection between each node are
used
• C. Connections between nodes are
considered point-to-point
• D. All of the above
13. Congestion causes which of the
following effects?
• A. Lower reliability and low traffic
• B. High rate of collisions
• C. Network unpredictability and high
error rates
• D. Lower response times, longer file
transfers, and network delays
13. Congestion causes which of the
following effects?
• A. Lower reliability and low traffic
• B. High rate of collisions
• C. Network unpredictability and high
error rates
• D. Lower response times, longer file
transfers, and network delays
14. Host A transmits to another host, Host B.
The communication is such that Host A stops
sending information content packets and then
Host B begins sending packets. Similarly, Host
B stops when Host A starts transmitting again,
Classify the transmission type as
• A. Full-duplex
• B. Half-duplex
• C. Simplex
• D. None of the above
14. Host A transmits to another host, Host B.
The communication is such that Host A stops
sending information content packets and then
Host B begins sending packets. Similarly, Host
B stops when Host A starts transmitting again,
Classify the transmission type as
• A. Full-duplex
• B. Half-duplex
• C. Simplex
• D. None of the above
15. Which of the following statements
concerning packet forwarding in a LAN is
not true?
• A. Store-and-forward packet-switching technique
is the one 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
15. Which of the following statements
concerning packet forwarding in a LAN is
not true?
• A. Store-and-forward packet-switching technique
is the one 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
16. Which of the following is true for a
LAN switch?
• A. Repairs network fragments known as
microsegments
• B. They are very high-speed multiport
bridges
• C. Higher latency is made up for by lower
bandwidth
• D. Requires new network interface cards
on attached hosts
16. Which of the following is true for a
LAN switch?
• A. Repairs network fragments known as
microsegments
• B. They are very high-speed multiport
bridges
• C. Higher latency is made up for by lower
bandwidth
• D. Requires new network interface cards
on attached hosts
17. How many collision domains would be
created by a 16-port LAN switch?
• A. One
• B. Two
• C. Fourteen
• D. Sixteen
17. How many collision domains would be
created by a 16-port LAN switch?
• A. One
• B. Two
• C. Fourteen
• D. Sixteen
18. By creating a virtual circuit with LAN
switching, what will result on the
segment?
• A. Increased collisions
• B. Decreased available bandwidth
• C. Increased broadcasts
• D. Increased available bandwidth
18. By creating a virtual circuit with LAN
switching, what will result on the
segment?
• A. Increased collisions
• B. Decreased available bandwidth
• C. Increased broadcasts
• D. Increased available bandwidth
19. How do switches learn the addresses
of devices that are attached to their ports?
• 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
address tables
19. How do switches learn the addresses
of devices that are attached to their ports?
• 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
address tables
20. What is the purpose of symmetric
switching?
• A. To provide switch connections on ports
with the same bandwidths
• B. To make sure the network tables are
symmetrical
• C. To provide switched connections on ports
with different bandwidths
• D. Switches only provide asymmetrical
switching
20. What is the purpose of symmetric
switching?
• A. To provide switch connections on ports
with the same bandwidths
• B. To make sure the network tables are
symmetrical
• C. To provide switched connections on ports
with different bandwidths
• D. Switches only provide asymmetrical
switching
The End