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Test your basic knowledge |
Wireless Technology Specialist
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
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study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Aireplay-ng -3
Plaintext
HT Non member protection mode
802.11g
Arp
2. The process in which a wireless LAN clients connection moves from one access point to another is called ______
Roaming
Height of an RF signal
Refraction
Two
3. Management frames are sent in....
Plaintext
Small Office/Home Office Organizations (SOHO)
802.11b
Ad-Hoc
4. High throughput mode 2
Dual radio APs
Greenfield mode
HT 20 MHz protection mode
802.11b HR/DSSS and 802.11 DSSS
5. Give two examples of WGB devices.
Wireless Game adapters and Media Bridges
AP to AP
SSID (service set identifier)
802.11b HR/DSSS and 802.11 DSSS
6. When an RF signal bounces off a smooth non absorptive surface - the behavior is
HT Non member protection mode
Carefully plan a strategy using WEP and VLANs
Reflection
MAC
7. This is a network name used to identify an 802.11 WLAN. It May be up to 32 characters and is case sensitive.
Greenfield mode
3
11
SSID (service set identifier)
8. A basic service set (BSS) consists of how many access points
Management
A VPN to the office network
1
Greenfield mode
9. This type of MITM attack involves sending fake or spoofed ARP responses on a LAN to the victim and or gateway
802.11n
ARP spoofing
Obstacles
BSSID (Basic Service Set identifier)
10. The extra overhead of RTS/CTS will cause a ___________ of maximum throughput on the network.
802.11b
WPA/WPA2
RC4
Degradation
11. Three types of passive WEP attacks
Brute force - statistical and dictionary
Walled Garden.
DBi
TKIP - optional RC4
12. What type of wireless network device is PIN-based security most commonly used with
Acknowledgement frames
FCC
Dynamic Rate switching
SOHO brands that support WPS
13. What best describes the Wi-Fi alliance?
Restricts access to authorized users
Enter a username and password that will be central administered
802.11r
Interoperability testing organization
14. What is regarded in 802.11e?
Addresses wireless Quality of Service
Mismatched SSID
Passve Scanning
Antenna diversity
15. The 802.11g standard uses which two speed spectrum technologies.
Personal mode and Enterprise Mode
Indoor and outdoor
ERP-OFDM - DSSS
Restricts access to authorized users
16. In order for a wireless client to become completely part of the basic service set it must first ___ then ___
Authenticate - associate
Captive portal
CA - Collision avoidance
Passve Scanning
17. According to the IEEE 802.11 standard - an extended service set (ESS) consists of how many interconnected basic service sets?
CCMP
3
Brute force - statistical and dictionary
One or more
18. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
CTS attacks - Deauth attack - Association flood - Jamming
Know the SSID and enter it manually
WPA/WPA2
Dual radio APs
19. 802.11g is backward compatible to which of the following IEEE wireless LAN standards?
Unencrypted
802.11b HR/DSSS and 802.11 DSSS
Spoof an address
Three
20. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
Wireless Game adapters and Media Bridges
Basic Service Set (BSS)
Mismatched SSID
Independent
21. When RF passes or bends around an obstacle such as a building or column - the behavior is
Height of an RF signal
Wavelength
Diffraction
40 bit
22. Wireless gateways come in two primary forms...
Repeater
Arp
Point-to-point link
Residential and Enterprise
23. You support a wireless network for an office of five employees. The installation consists of one access point - three notebook computers - and two desktop computers. The access point and computers in the office have wireless adapters that are Wi-Fu W
WPA 2.0 personal and WPS
RTS/CTS
802.11g
LTE
24. Probe requests are used by clients as part of the ____ process
Active scanning
Arp replay
Two
CA - Collision avoidance
25. When a wireless LAN device listens for beacon frames - it is participating in which phase?
Passve Scanning
SSID (service set identifier)
Wi-Fi Alliance
Client
26. In bluetooth - one master may communicate with up to ___ slaves in a piconet
802.11i
32 character maximum and is case sensitive
7
ISM
27. 3 types of frames
UNII
AP to AP
Management - control - data
Greenfield mode
28. What item has an effect on RF line of site?
Three
Obstacles
Other 802.11a devices
4 channels
29. The ___ acts as a hub for the WLAN; wireless frame pass through this device
Access point
Transmitter and receiver
WPA 2.0 personal and WPS
FCC
30. ____ is one way to reduce the effects of multipath. Is is a technology used in wireless LANs where a station will utilize two antennas combined with one radio to decrease the effects of multipath
WPA2 -WEP
Antenna diversity
Enter a username and password that will be central administered
Management - control - data
31. You are a help desk support technician at a retail department store and you receive a call from a manager in the administrative offices. He complain the performance of his 802.11g notebook computer decreases several times throughout the day. Upon vis
BSSID (Basic Service Set identifier)
Arp replay
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
ERP protection
32. When an RF signal passes between mediums of different densities and may change speeds and bend - the behavior is...
Mesh
Refraction
RTS/CTS
WPA2
33. Which data encryption.authentication method is identified in the IEEE 802.11 standard
Open system and Shared key
Arp replay
WEP
Single radio AP's
34. A newly configured wireless intrusion prevention system will___
ERP-OFDM - DSSS
AP radio
Trojan/Rogue APs
Automatically monitor the network for attacks
35. What protocol am I? - 2.4 GHz freq - 54 Mbps Data Rate - OFDM W/ DSSS backup
ERP protection
22MHz wide
802.11g
Service sets
36. how many channels are available for wireless LAN use in the unlicensed 2.4GHz ISM band?
Semi directional and Highly directional
OFDM
Other 802.11a devices
14
37. A basic service set identifier (BSSID) is the MAC address of the ____
AP radio
Passive scan
Wireless Game adapters and Media Bridges
802.11g
38. 802.11w can only be used in networks using_____
Unencrypted
Roaming
WPA/WPA2
Watt and mW
39. How many channels are available for wireless LAN use in the unlicensed middles UNII 2e band?
Brute force - statistical and dictionary
11
Transmitter and receiver
DBi
40. ____ provides wireless access to a group of wired stations 'behind' the bridge. It aggregates multiple wired clients into one collective wireless client known as a 'Client bridge'
Workgroup Bridge mode.
Watt and mW
WPA Enterprise -WEP -MAC filters
Managed
41. Hiding the service set identifier of a wireless LAN will require a user to ____ in order to gain access to the wireless network
14
CTS attacks - Deauth attack - Association flood - Jamming
Know the SSID and enter it manually
32
42. Which if the following organizations is responsible for standards compliance?
Open system and Shared key
CTS attacks - Deauth attack - Association flood - Jamming
Data rate increases
Wi-Fi Alliance
43. Which function does RBAC provide?
Restricts access to authorized users
Quality of Service
Walled Garden.
1 -6 -11
44. The Access point can operate in a variety of modes...
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
Master
Wi-Fi Alliance
Authenticate - associate
45. This is the most common WLAN topology which uses one AP to support clients in a single cell of coverage and has one unique SSID.
Basic Service Set (BSS)
Ad-hoc mode - also calles Independent Basic Service Set (IBSS) - or Peer-to Peer. The client that initiated the network will randomly generate a BSSID value to use within the network.
Roaming
1
46. 802.11 uses CSMA/...
Client
CA - Collision avoidance
Root mode
Passive scan
47. Point to Point links typically use which antenna types?
Wi-Fi Alliance
X.509 certificates on the subscriber side only.
Semi directional and Highly directional
Plaintext
48. Collisions are detected through the use of....
HT Non member protection mode
Restricts access to authorized users
Acknowledgement frames
WPA2
49. Two characteristics of signals are
Amplitude and phase
PIN
CCMP
Captive portal
50. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
Deauth
Fakeauth
Wireless gateways
RC4
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