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WLANs are based on de jure standards.

A) True
B) False

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Windows Vista and Windows 7 use which software for configuring wireless NICs?


A) Wireless Zero Configuration
B) WLAN AutoConfig
C) MS WNIC Config
D) AutoNIC Configuration

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

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B

List the three sources of standards.

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De facto standards
D...

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Which of the following are improvements of the 802.11n standard over previous 802.11 standards? (Choose all that apply.)


A) data rates up to 1.2 Gbps
B) coverage area
C) security
D) different frequencies reduce interference

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

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List the four modes in which a wireless bridge can function.

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Root mode
Nonroot mo...

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Describe the Microsoft Windows 7 feature referred to as the wireless Hosted Network.

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This feature has two parts: the virtualization of the physical wireless NIC into multiple virtual wireless NICs (called Virtual WiFi) and a software-based wireless access point (SoftAP) that uses a designated virtual wireless NIC. The wireless Hosted Network allows users to extend the functionality of their portable laptop computer. For example, a user could set up her computer to create a wireless network so that other users can quickly share documents wirelessly between multiple computers.Another function allows a laptop's network connection to be shared by other computers and devices. For example, a user could connect her computer to the Internet and then turn her computer into an AP that shares the Internet connection with other wireless laptop devices, much like a hardware AP.

A remote wireless bridges support two types of connections.Describe them.

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Remote wireless bridges support two type...

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List and describe three advantages of standards for wireless technology.

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Interoperability. Standards ensure that ...

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If a remote wireless bridge is set to ____,it can only transmit to another bridge in root mode.


A) access point mode
B) root mode
C) nonroot mode
D) repeater mode

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

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Describe the difference between directed transmission and diffused transmission with respect to infrared transmissions.

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A directed transmission requires that the emitter and detector be directly aimed at one another in a line of sight (LoS) path. A diffused transmission relies on reflected light. The emitters on diffused transmissions have a wide-focused beam instead of a narrow beam and are pointed at the room's ceiling, which serves as the reflection point.

Which of the following is true of the CardBus form factor?


A) designed primarily for use in PDA devices
B) was used as a storage medium for digital cameras
C) has a bus mastering feature
D) has a 16-bit bus

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

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De facto standards are official standards.

A) True
B) False

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List and describe the two terms used for measuring wireless network speeds.

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Data rate. The data rate is the theoreti...

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A(n)________________ is a device that receives a signal from an emitter.

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Which of the following provides the management and configuration functions for a thin access point?


A) wireless LAN controller
B) fat access point
C) PoE controller
D) mesh access point

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

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Which IEEE standard added speeds of 5.5 and 11 Mbps to the WLAN standards?


A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11i

E) C) and D)
F) None of the above

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Which of the following is true about infrared transmissions?


A) diffused transmission relies on reflected light
B) directed transmission has a wide-focused beam
C) they are most reliable outdoors
D) mobility is their greatest strength

E) C) and D)
F) None of the above

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Wireless NICs perform the same function as a wired NIC except for which of the following?


A) no RJ-45 connection
B) no MAC address
C) transmits bits
D) requires a driver

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

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Which type of remote wireless bridge connection is used to connect multiple LAN segments,or buildings together?


A) segment-to-segment
B) multipoint-to-multipoint
C) point-to-point
D) point-to-multipoint

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

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Which of the following are advantages of having standards govern how a technology works? (Choose all that apply.)


A) interoperability
B) high profits from lower competition
C) proprietary equipment
D) lower costs

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

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Showing 1 - 20 of 41

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