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Valencia Network + > Network + Chapt 6 Quiz > Flashcards

Network + Chapt 6 Quiz Flashcards

1
Q

What are the most common frequencies used on Wi–Fi networks?

a. 2.4 GHz, 5 GHz 

b. 506 KHz, 1635 KHz	
c. 2 GHz, 5.4 GHz	
d. 535 KHz, 1606 KHz
A

a. 2.4 GHz, 5 GHz

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2
Q

What type of antenna is best used for creating a wireless point–to–point link?

a. Multipath 

b. Omnidirectional	
c. Reflective	
d. Unidirectional
A

d. Unidirectional

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3
Q

What should you look for in a wireless signal to ensure that the signal is strong and has little interference?

a. Low attenuation 

b. High attenuation	
c. Low SNR	
d. High SNR
A

d. High SNR

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4
Q

What characteristic of wireless signals is caused by objects with small dimensions and rough surfaces?

a. Bounce 

b. Reflection	
c. Scattering	
d. Diffraction
A

c. Scattering

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5
Q

Which WLAN layout should you use if you do not have an AP?

a. Infrastructure 

b. Mesh	
c. Ring	
d. Ad hoc
A

d. Ad hoc

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6
Q

Which WLAN layout uses several APs that work as peer devices on the same network?

a. Infrastructure 

b. Ring	
c. Mesh	
d. Ad hoc
A

c. Mesh

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7
Q

What method is used by 802.11 devices to access a shared medium?

a. CSMA/CA 

b. CSMA/CD	
c. Token passing	
d. Polling
A

a. CSMA/CA

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8
Q

What does your mobile device need to do before it can access the Internet at a Wi–Fi hot spot?

a. Broadcast the SSID 

b. Send a CTS signal	
c. Make an association	
d. Configure ad hoc
A

c. Make an association

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9
Q

What type of 802.11 frame is used for media access and includes RTS frames?

a. Management frames 

b. Data frames	
c. Acknowledgement frames	
d. Control frames
A

d. Control frames

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10
Q

Which wireless innovation allows an AP to service multiple clients simultaneously?

a. Channel bonding 

b. MIMO	
c. MU–MIMO	
d. Frame aggregation
A

c. MU–MIMO

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11
Q

What should you do before placing access points for a new WLAN?

a. Select frequency 

b. Site survey	
c. Configure channels	
d. Set SSID
A

b. Site survey

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12
Q

How should you configure an AP when it must provide remote access to a wired network?

a. Multilayer switch 

b. With an ESSID	
c. Ad hoc mode	
d. Wireless bridge
A

d. Wireless bridge

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13
Q

What process allows a network technician to install an application onto a user’s mobile device to give the device trusted access to certain portions of the network?

a. On–boarding 

b. Heat map	
c. Off–boarding	
d. Remote wipe
A

a. On–boarding

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14
Q

Which security technique prevents an AP from authenticating a device that has not been approved?

a. Encryption 

b. MAC filtering	
c. SSID broadcast	
d. Authentication
A

b. MAC filtering

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15
Q

Which 802.11 encryption method uses a shared key for authenticating users and exchanging data and can be cracked in a few minutes?

a. WPA 

b. WEP	
c. 802.11i	
d. WPA2
A

b. WEP

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16
Q

What Wi–Fi security threat uses a rogue access point with a legitimate–sounding SSID?

a. WPS attack 

b. Evil twin	
c. Bluejacking	
d. War chalking
A

b. Evil twin

17
Q

Which tool can you use to help optimize Wi–Fi signal settings and help identify Wi–Fi security threats?

a. Protocol analyzer 

b. Wireless analyzer	
c. Multimeter	
d. Tone generator
A

b. Wireless analyzer

18
Q

What should you do if WLAN clients complain that their devices cannot find the wireless network?

a. Change the encryption 

b. Enable SSID broadcast	
c. Configure MAC filtering	
d. Decrease power settings
A

b. Enable SSID broadcast

19
Q

You have just installed a new access point. You have both 802.11g and 802.11b Wi–Fi clients and only the 802.11g clients are able to connect. What is the most likely problem?

a. Incorrect frequency 

b. Inappropriate antenna	
c. Overlapping channels	
d. Mismatched standards
A

d. Mismatched standards

20
Q

You have just installed a SOHO AP for a new Wi–Fi network that services about 35 Wi–Fi clients. All client devices are having intermittent connection problems and connections are slow. What is a likely cause of the problem?

a. Wrong encryption 

b. Incorrect SSID	
c. Mismatched standards	
d. Client saturation
A

d. Client saturation

Valencia Network + (12 decks)

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