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What are the major tasks that a NIC performs?

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The following list summarizes the tasks ...

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How does a switch "learn" MAC addresses?


A) All the MAC addresses must be entered manually.
B) The switch comes loaded with the most frequently used addresses.
C) It reads the source address and keeps a record of which port the sending computer is on
D) The switch uses a mathematical formula to determine what the MAC address would be for each computer connected to it.

E) None of the above
F) All of the above

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What is the purpose of the default route?


A) It serves as a guideline for how to configure routes.
B) It's a route set by Microsoft so that all information comes to their servers first.
C) It's where the router sends all packets with destinations of which it has no knowledge.
D) It's a route that all routers use to get to the Internet

E) All of the above
F) A) and B)

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Match each item with a statement below: -device that connects wireless computers


A) switch
B) hub
C) half-duplex mode
D) router
E) bandwidth sharing
F) repeater
G) dedicated bandwidth
H) network interface card
I) access point
J) network bandwidth

K) B) and H)
L) C) and H)

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What are the key differences between a switch and a router?

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The following points summarize the key p...

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When a NIC is in "promiscuous" mode,it will process only the frames in which the destination MAC address matches its own MAC address.

A) True
B) False

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What is a broadcast frame?

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A broadcast frame is a frame that has a ...

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Match each item with a statement below: -communication in which a device can send and receive signals but not at the same time


A) switch
B) hub
C) half-duplex mode
D) router
E) bandwidth sharing
F) repeater
G) dedicated bandwidth
H) network interface card
I) access point
J) network bandwidth

K) B) and D)
L) F) and G)

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When referring to network bandwidth,what is the basic unit of measurement?


A) bytes per second
B) bits per second
C) bandwidth per second
D) bytes per minute

E) All of the above
F) A) and C)

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Before a computer can transmit data on a wireless network in some cases,it must send What type of signal to the AP?


A) RTS
B) ARP
C) CTS
D) DNS

E) B) and D)
F) B) and C)

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What type of indicator lights would you find on a hub?


A) network activity
B) link status
C) signal strength
D) uplink
E) collision

F) B) and C)
G) C) and D)

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What does a switch do if it doesn't find the destination MAC address in its switching table?


A) Sends and error to the sending device
B) Discards the frame
C) Sends an ARP to learn the MAC address
D) It forwards the frame to all ports

E) A) and B)
F) C) and D)

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You cannot connect a hub to another hub unless it has an uplink port.

A) True
B) False

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Routers do not forward broadcast packets.

A) True
B) False

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Match each item with a statement below: -device that uses MAC addresses to determine the destination of frame


A) switch
B) hub
C) half-duplex mode
D) router
E) bandwidth sharing
F) repeater
G) dedicated bandwidth
H) network interface card
I) access point
J) network bandwidth

K) C) and J)
L) B) and C)

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Match each item with a statement below: -how devices connected to a hub use network bandwidth


A) switch
B) hub
C) half-duplex mode
D) router
E) bandwidth sharing
F) repeater
G) dedicated bandwidth
H) network interface card
I) access point
J) network bandwidth

K) B) and J)
L) A) and B)

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What does a switch store in its switching table?


A) the source MAC address of a frame and the port it was received on
B) the destination MAC address of a frame and the port it was received on
C) the source IP address of a frame and the port it was received on
D) the destination IP address of a frame and the port it was received on

E) A) and D)
F) C) and D)

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Which of the following is NOT a function of a hub?


A) cleans up the signal
B) transmits the signal to the correct port
C) receives the signal from a connected computer on one of its ports
D) regenerates the signal

E) C) and D)
F) B) and C)

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Which of the following are features of a router? (Choose all that apply)


A) connects computers to the LAN
B) connects LANs to one another
C) works with MAC addresses
D) forwards broadcast packets
E) works with packets instead of frames

F) A) and B)
G) None of the above

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What component of the computer provides it with a MAC address?


A) motherboard
B) NIC
C) CPU
D) BIOS

E) B) and C)
F) A) and D)

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