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Exam A
What functions do routers perform in a network? (Choose two.)
A. path selection
B. packet switching
C. VLAN membership assignment
D. microsegmentation of broadcast domains
Correct Answer: AB
Which of the following is true regarding the use of switches and hubs for network connectivity?
A. Using hubs can increase the amount of bandwidth available to hosts.
B. Hubs can filter frames.
C. Switches increase the number of collision domains in the network.
D. Switches do not forward broadcasts.
E. Switches take less time to process frames than hubs take.
Correct Answer: C
When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? (Choose two)
A. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
B. A switch is a multiport bridge
C. Bridges and switches increase the size of a collision domain.
D. Bridges are faster than switches because they have fewer ports.
Correct Answer: AB
As a network administrator, you will need to decide on the appropriate network devices to use. Which of the following correctly describes the roles of devices in a WAN? (Choose three)
A. A modem terminates a digital local loop.
B. A CSU/DSU terminates a digital local loop.
C. A CSU/DSU terminates an analog local loop.
D. A modem terminates an analog local loop.
E. A router is commonly considered a DTE device.
Correct Answer: BDE

Which of the following statements are true regarding bridges and switches? (Choose 3.)
A. Both bridges and switches make forwarding decisions based on Layer 2 addresses.
B. Switches have a higher number of ports than most bridges.
C. Switches are primarily software based while bridges are hardware based.
D. Both bridges and switches forward Layer 2 broadcasts.
E. Bridges define broadcast domains while switches define collision domains.
F. Bridges are frequently faster than switches.
Correct Answer: ABD


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What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN? (Choose two.)
A. The number of broadcast domains would remain the same.
B. The number of collision domains would increase.
C. The number of collision domains would decrease.
D. The number of broadcast domains would decrease.
E. The number of collision domains would remain the same.
F. The number of broadcast domains would increase.
Correct Answer: AB
The switch in the graphic has a default configuration and the MAC table is fully populated.
In addition, this network is operating properly. The graphic represents selected header information
in a frame leaving host A. What can be concluded from this information?
A. The MAC address of host A is FFFF.FFFF.FFFF.
B. The router will forward the packet in this frame to the Internet.
C. The switch will only forward this frame to the attached router interface.
D. All devices in this LAN except host A will pass the packet to Layer 3.
Correct Answer: D
Which destination addresses will be used by Host A to send data to Host C? (Choose two.)

A. the IP address of Switch 1
B. the MAC address of Switch 1
C. the IP address of Host C
D. the MAC address of Host C
E. the IP address of the router’s E0 interface
F. the MAC address of the router’s E0 interface
Correct Answer: CF

Which two of the following are advantages of Layer 2 Ethernet switches over hubs? (Choose two.)
A. increasing the size of broadcast domains
B. filtering frames based on MAC addresses
C. allowing simultaneous frame transmissions
D. increasing the maximum length of UTP cabling between devices
Correct Answer: BC

SW1 and SW2 have default configurations. What will happen if host 1 sends a broadcast?
A. Hosts 2, 3, and 4 will receive the broadcast.
B. Hosts 1, 2, 3, and 4 will receive the broadcast.
C. Host 2 and the Fa0/0 interface of R1 will receive the broadcast.
D. Hosts 1, 2 and the Fa0/0 interface of R1 will receive the broadcast.
E. Hosts 1, 2, 3, 4 and interface Fa0/0 of R1 will receive the broadcast.
F. Hosts 2, 3, 4, and interfaces Fa0/0 and Fa0/1 of R1 will receive the broadcast.
Correct Answer: C QUESTION 11

As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen? (Choose two.)
A. The data is moving from 10BASETX to 100BASETX.
B. The WAN encapsulation type has changed.
C. The data format has changed from analog to digital.
D. The source and destination hosts are in the same subnet.
E. The source and destination MAC addresses have changed.

Correct Answer: BE QUESTION 12

Complete this network diagram by dragging the correct device name of description name or description to the correct location. Not all the names or descriptions will be used.
Select and Place:
Correct Answer: QUESTION 13

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