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Hub-based Ethernet is a star physical topology and a bus logical topology.

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WiGig is standardized as


A) IEEE 802.11ad
B) IEEE 802.11ac
C) IEEE 802.11n
D) IEEE 802.11g
E) IEEE 802.11a

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Wired Equivalent Privacy requires that each user have a preconfigured key in order to communicate with an access point.

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Wireless LANs are never connected to a wired network.

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The three latest versions of Ethernet run at speeds of 1Gbps, 10Gbps, and 50 Gbps.

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An access point ensures that all computers within range of the access point can communicate with each other,

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A logical bus topology:


A) is always used by token ring protocol LANs
B) has all computers connected to each other in point-to-point connections
C) is limited to short distances since devices like a hub or repeater cannot be used with this type of topology
D) permits every message to be received by every computer on the bus, even when those messages are intended for other computers
E) has a central control device, such as a mainframe

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Which of the following is not an effective way to reduce LAN network demand:


A) move files to client computers
B) use disk caching on the client machines
C) find an application that places a large demand on the network and run it a time when the network is lightly loaded
D) add hidden nodes
E) shift the users' routines

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Wireless LANs do not share the bandwidth capacity of the wireless network.

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The IEEE designation for the type of wireless standard that uses both the 2.4 and 5 GHz range is __________.


A) 802.11n
B) 802.11a
C) 802.3
D) 802.11b
E) 802.11g

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Most access points AP) deployed in wireless LANs use directional antennas.

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With _____________, the AP permits the owner to provide a list of valid addresses that can connect.


A) EAP.
B) SSID
C) WEP
D) MAC address filtering
E) SWEP

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The ___________ is where the organization housing its primary servers.


A) MDF
B) guest house
C) SOHO network
D) data center
E) load balancer

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The Ethernet standard was first developed by the IEEE.

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The server version of the Network Operating System does not:


A) provide the software that performs the functions associated with the physical layer
B) provide the software that performs the functions associated with the data link layer
C) provide the software that performs the functions associated with the application layer
D) provide the software that performs the functions associated with the network layer
E) usually provide the software that performs the functions associated with the computer's own operating system

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Switch-based Ethernet:


A) uses a hub to connect computers
B) has a physical topology of a ring
C) has a logical topology of a ring
D) has a logical topology of a bus
E) usually enables all attached circuits to send or receive packets simultaneously

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Describe war-chalking, war-driving, and war-walking.

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War-chalking, war-driving, and war-walki...

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How many channels does the 802.11ac standard provide for communication between the access point and clients?


A) 4
B) 6
C) 8
D) 11
E) 2

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An) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.


A) Ethernet NIC
B) antennae
C) wireless NIC
D) access point
E) hub

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Compare a switched Ethernet to a wireless Ethernet. What are four essential differences between these two approaches to building a LAN? Give three reasons why a switched Ethernet is preferable to wireless. Three reasons why wireless might be preferred to switched?

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Switched Ethernet and wireless Ethernet ...

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