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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.
If you are not ready to take this test, you can
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. What is regarded in 802.11e?
Addresses wireless Quality of Service
HT Non member protection mode
Point-to-point link
Client
2. Collisions are detected through the use of....
Authenticate - associate
Acknowledgement frames
Service sets
802.11i
3. ___ are used to describe the basic components and topology of a WLAN
Residential and Enterprise
Service sets
DB and dBi
Walled Garden.
4. Wireless LAN devices in an 802.11a peer-to-peer network will connect to which devices?
Other 802.11a devices
Unencrypted
Station (STA)
One or more
5. What type of algorithm does WPA use
3
Interference from a neighboring access point RF denial-of-service (Dos) attack
TKIP - optional RC4
Bridge mode
6. You are a network administrator and are asked for a security recommendation regarding older wireless 802.11-compliant VoIP handsets. The company does not have the budget to upgrade the equipment at this time. Which would be the best recommendation yo
Dual radio APs
Carefully plan a strategy using WEP and VLANs
CTS attacks - Deauth attack - Association flood - Jamming
Wavelength
7. 2.4 GHz - Ch 1-14 - North America Ch =1-11 - Overlapping 1-6-11
Repeater
Know the SSID and enter it manually
Managed
ISM
8. ____ 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
Passive scan
Indoor and outdoor
Antenna diversity
14
9. What protocol am I? - 2.4 GHz Freq - 11 Mbps Data Rate - DSSS
WEP
802.11b
Height of an RF signal
MAC
10. Bridge mode will not allow client associations and is ______ only
AP radio
AP to AP
Root mode
Workgroup Bridge mode.
11. in the 802.11a amendment - the UNII-3 band can be used for which WLAN applications?
Mismatched SSID
Indoor and outdoor
FCC
Access point
12. Layer 2 Tunneling Protocol commonly uses which encryption method?
CCMP
IPSec
Three
Other 802.11a devices
13. 802.11 uses CSMA/...
Active scanning
CA - Collision avoidance
6 -12 - and 24 Mbps
Dual radio APs
14. In a wireless environment '___' refers to a situation in which an unauthenticated user is given access to a limited environment for the purpose of setting up an account or utilizing specific functionality separate from the environment that the rest o
Mesh
Mesh network
Walled Garden.
Single radio AP's
15. Probe requests are used by clients as part of the ____ process
CTS attacks - Deauth attack - Association flood - Jamming
802.11b
Arp
Active scanning
16. 802.11a uses which spread spectrum technology?
IPSec
802.11a
HT Non member protection mode
OFDM
17. You are a wireless network administrator monitoring the reports for a recently installed wireless intrusion prevention system. You receive an alert notifying you of high levels of RF detected from an access point operating as a sensor and currently s
Authenticate - associate
25 MHz
Interference from a neighboring access point RF denial-of-service (Dos) attack
Independent
18. What best describes the Wi-Fi alliance?
Interoperability testing organization
Secure Layer 3 transmissions over a public network infrastructure
Frequency
Addresses wireless Quality of Service
19. What organization is responsible for unlicensed frequency band regulations in the United States?
MAC
WPA Enterprise -WEP -MAC filters
FCC
Data rate increases
20. Name 3 channels considered non overlapping in the 2.4GHZ band
Open system and Shared key
Passve Scanning
Small Office/Home Office Organizations (SOHO)
1 -6 -11
21. Both ___ and ___ are wireless LAN security methods that support shared key security.
WPA2 -WEP
802.11w
802.11b
ISM
22. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?
FHSS
Enter a username and password that will be central administered
Wireless Game adapters and Media Bridges
3
23. How many non-overlapping channels are available in the unlicensed 2.4GHz ISM band?
Ad-Hoc
3
Greenfield mode
Workgroup Bridge mode.
24. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
Addresses wireless Quality of Service
Unicast
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.
Wavelength
25. ____ is the wireless amendment that specifies how to conduct seamless handoffs.
802.11r
6 -12 - and 24 Mbps
Wireless Game adapters and Media Bridges
WPA 2.0 personal and WPS
26. The process in which a wireless LAN clients connection moves from one access point to another is called ______
Spoof an address
Independent
Roaming
AES = CCMP required
27. Aireplay-ng -3
Deauth
Arp
0
OFDM
28. The 802.11g standard uses which two speed spectrum technologies.
Master
ERP-OFDM - DSSS
A VPN to the office network
CTS attacks - Deauth attack - Association flood - Jamming
29. Point to Point links typically use which antenna types?
Height of an RF signal
Semi directional and Highly directional
CA - Collision avoidance
CTS attacks - Deauth attack - Association flood - Jamming
30. Two authentication types defined in the 802.11 standard
HT Non member protection mode
Open system and Shared key
Mismatched SSID
SOHO brands that support WPS
31. Wireless gateways come in two primary forms...
TKIP - optional RC4
Residential and Enterprise
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
BSSID (Basic Service Set identifier)
32. What item has an effect on RF line of site?
7
WPA 2.0 personal and WPS
Obstacles
Ad-Hoc
33. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
Acknowledgement frames
Wireless gateways
FHSS
Greenfield mode
34. Which security methods do 802.11g access points support?
802.11b HR/DSSS and 802.11 DSSS
WPA Enterprise -WEP -MAC filters
SSID and Channel
Passve Scanning
35. 802.11w can only be used in networks using_____
Monitor
AP radio
Transmitter and receiver
WPA/WPA2
36. Typically a point-to-multipoint link consists of ____ connections
Three
ERP-OFDM - DSSS
Mesh
SOHO brands that support WPS
37. 802.11g is backward compatible to which of the following IEEE wireless LAN standards?
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Amplitude and phase
802.11b HR/DSSS and 802.11 DSSS
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.
38. The security amendment to the IEEE 802.11 standard requires ____
802.11w
Wavelength
Quality of Service
CCMP
39. This is implemented in networks to minimize the effects of excessive collisions in mixed 802.11b and 802.11g networks
Root mode
Addresses wireless Quality of Service
Automatically monitor the network for attacks
RTS/CTS
40. You are a sales engineer connected to an IEE 802.11a access point with a mobile computer. As you move away from the access point - the connection speed slows to the next lowest supported data rate. The change in data rate is described by what term?
Height of an RF signal
11
1 -6 -11
Dynamic Rate switching
41. Which data encryption.authentication method is identified in the IEEE 802.11 standard
Know the SSID and enter it manually
ISM
Wireless Game adapters and Media Bridges
WEP
42. High Throughput mode 1
RC4
HT Non member protection mode
802.11n
ERP-OFDM - DSSS
43. 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
1
WPA 2.0 personal and WPS
Dynamic Rate switching
Roaming
44. The capacity of an access point is dependent upon which factors?
Plaintext
ERP-OFDM - DSSS
Number of users and software applications in use
SSID (service set identifier)
45. As a device moves away from an access point - what is true regarding dynamic rate switching?
Wireless Game adapters and Media Bridges
Watt and mW
Data rate increases
1 - 5.5 and 11 Mbps
46. You are a technical support engineer and provide help desk support for the network in a manufacturing company. You receive a call from the sales manager - who wants to know how power save operations should be set up on her notebook computer to optimi
Residential and Enterprise
Dynamic Rate switching
0
Active mode
47. Which items are unique to a service set identifier
32 character maximum and is case sensitive
802.11n
Trojan/Rogue APs
22MHz wide
48. A service set identifier (SSID) has a maximum limit of how many characters?
32
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Ad-Hoc
Antenna diversity
49. The main component of an 802.11 wireless network is the radio card (NIC) - which is referred to by the 802.11 standards as a...
Ad-Hoc
Personal mode and Enterprise Mode
Station (STA)
DBi
50. The ___ acts as a hub for the WLAN; wireless frame pass through this device
Automatically monitor the network for attacks
Access point
Frequency
Root mode