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Exam 6: Wireless Networking

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Question 1

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Matching Match each correct item with the statement below. -A security exploit in which a WPS PIN is discoveredby means of a brute force attack,giving the attackeraccess to the network's WPA2 key.The PIN feature in WPSshould be disabled if possible.

A) active scanning
B) bluesnarfing
C) data frame
D) diffraction
E) goodput
F) omnidirectional antenna
G) unidirectional antenna
H) war chalking
I) war driving
J) WPS attack

K) A) and I)
L) A) and G)

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Question 2

Multiple Choice

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Select below the band that is not one of the four frequency bands used in the 5 GHz range for wireless LANs:

A) 5.1 GHz
B) 5.3 GHz
C) 5.4 GHz
D) 5.9 GHz

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

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Question 3

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What two terms describe a wireless network topology in which access points work as peer devices on the same network?

How does the 802.11 data frame indicate how a large packet should be fragmented?

In an 802.11 data frame,what is the size of the frame check sequence field?

Access points that include routing functions are also called _______________.

_________________ is an outdated wireless technology that has been mostly replaced by Bluetooth to connect personal devices.

The WPS PIN is vulnerable to brute force attacks.

What is the name for the special signal that contains information that a wireless node requires in order to associate itself with an access point?

Ideally,stations must remain within what range of an access point in order to maintain optimal transmission speeds?

Which 802.11 standard was the first to utilize the 5 GHz band?

Matching Match each correct item with the statement below. -A type of antenna that issues andreceives wireless signals with equal strength and clarity in alldirections.This type of antenna is used when many differentreceivers must be able to pick up the signal,or when thereceiver's location is highly mobile.

Matching Match each correct item with the statement below. -In the context of wireless signal propagation,thephenomenon that occurs when an electromagnetic waveencounters an obstruction and splits into secondary waves.The secondary waves continue to propagate in the directionin which they were split.

The proportion of noise to the strength of a signal is called the _________________.

How many address fields exist in an 802.11 frame?

Describe the 802.11a standard,and detail some of its history and advantages / disadvantages versus other 802.11 standards.

The wireless spectrum,as defined by the FCC,spans between which two frequencies?

Matching Match each correct item with the statement below. -The throughput experienced at the applicationlevel,such as the quality of a video feed or the speed of aWeb page loading in the browser.

Elaborate on the three different types of wireless network topologies.

How many data streams are used in 802.11ac Wave 2 devices?