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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. Which security feature provides the strongest security for a home-based wireless network?
Dictionary
Passphrase
CTS attacks - Deauth attack - Association flood - Jamming
Indoor and outdoor
2. 2.4 GHz - Ch 1-14 - North America Ch =1-11 - Overlapping 1-6-11
Addresses wireless Quality of Service
FHSS
ISM
Encryption
3. 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.
Unencrypted
Basic Service Set (BSS)
Point-to-point link
HT fixed mode
4. Point to Point links typically use which antenna types?
Transmitter and receiver
3
Semi directional and Highly directional
802.11i
5. A brute force attack is limited to breaking___ WEP keys
40 bit
CCMP
Indoor and outdoor
SOHO brands that support WPS
6. Two authentication types defined in the 802.11 standard
Wireless gateways
WPA Enterprise -WEP -MAC filters
Client
Open system and Shared key
7. The IEEE 802.1X standard identifies the authenticator as another term for the ___ in wireless networking
Obstacles
Access point
Secure Layer 3 transmissions over a public network infrastructure
Antenna diversity
8. Which data encryption.authentication method is identified in the IEEE 802.11 standard
MAC
Restricts access to authorized users
WEP
LTE
9. What type of certification came from 802.11i
X.509 certificates on the subscriber side only.
WPA2
Dynamic Rate switching
AP radio
10. In this mode a station can act as a relay or WLAN range extender
Repeater
AES = CCMP required
14
Single radio AP's
11. 802.11g LAN operates in what frequency range?
2.4-2.5GHz
Walled Garden.
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Antenna diversity
12. Probe requests are used by clients as part of the ____ process
Active scanning
Enter a username and password that will be central administered
LTE
Independent
13. High throughput mode 2
HT 20 MHz protection mode
Roaming
Walled Garden.
Wavelength
14. The ___ acts as a hub for the WLAN; wireless frame pass through this device
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Access point
Passve Scanning
Active scanning
15. 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
Interference from a neighboring access point RF denial-of-service (Dos) attack
Arp
HT 20 MHz protection mode
CCMP
16. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
DBi
0
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.
Antenna diversity
17. What is addressed by the Wi-Fi Multimedia (WMM) certifications?
HT 20 MHz protection mode
Quality of Service
Spoof an address
64-bit - 128-bit
18. A newly configured wireless intrusion prevention system will___
Fake auth
Access point
Semi directional and Highly directional
Automatically monitor the network for attacks
19. Aireplay-ng -3
802.11i
32
Arp
Ad-Hoc
20. 802.11b is capable of which data rates?
Open system and Shared key
1 - 5.5 and 11 Mbps
Dual radio APs
Interoperability testing organization
21. Both ___ and ___ are wireless LAN security methods that support shared key security.
4 channels
WPA2 -WEP
Ad-Hoc
Dual radio APs
22. What algorithm does WEP use
RC4
Active scanning
DB and dBi
BSSID (Basic Service Set identifier)
23. You are a technical support engineer and receive a call from a customer regarding a problem with their network connection. The building has an ESS network with five 802.11g access points. The customer claims that when they move from their office to a
CCMP
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Basic Service Set (BSS)
Mismatched SSID
24. This is a topology in which two or more APs are connected by a common distribution system.
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
802.11n
ERP protection
Extended Service Set (ESS)
25. 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
Secure Layer 3 transmissions over a public network infrastructure
SSID (service set identifier)
WEP
26. How many channels are available for wireless LAN use in the unlicensed middles UNII 2e band?
Indoor and outdoor
6 -12 - and 24 Mbps
11
Roaming
27. What two devices use RF to communicate
Walled Garden.
Transmitter and receiver
25 MHz
Management
28. 802.11 frames have a maximum 'upper-layer' payload of...
Carefully plan a strategy using WEP and VLANs
2304 bytes
802.11n
TKIP - optional RC4
29. Three types of passive WEP attacks
Restricts access to authorized users
Brute force - statistical and dictionary
Three
Passve Scanning
30. 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?
WPA2 -WEP
Extended Service Set (ESS)
Dynamic Rate switching
Management
31. if operating with _____ - clients and AP communications all contend for the same half-duplex medium which causes a degradation of overall throughput
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183
32. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
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.
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
FHSS
Wireless gateways
33. What organization is responsible for unlicensed frequency band regulations in the United States?
802.11a
Semi directional and Highly directional
FCC
Two
34. The process in which a wireless LAN clients connection moves from one access point to another is called ______
802.11b
Secure Layer 3 transmissions over a public network infrastructure
Roaming
Service sets
35. The extra overhead of RTS/CTS will cause a ___________ of maximum throughput on the network.
Frequency
Degradation
Unencrypted
802.11g
36. an 802.11b 2.4GHz channel is how wide in MHz?
802.11b
22MHz wide
SSID (service set identifier)
802.11a
37. Collisions are detected through the use of....
Refraction
CA - Collision avoidance
Acknowledgement frames
Open system
38. Aireplay-ng -1
Point-to-point link
Fakeauth
X.509 certificates on the subscriber side only.
Frequency
39. A station can act as a routing node in a wireless mesh network
Dictionary
Wireless Game adapters and Media Bridges
RTS/CTS
Mesh
40. A basic service set identifier (BSSID) is the MAC address of the ____
Deauth
802.11
AP radio
OFDM
41. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
Dual radio APs
Open system
802.11
Diffraction
42. Name 3 channels considered non overlapping in the 2.4GHZ band
DB and dBi
UNII
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.
1 -6 -11
43. When an RF signal passes between mediums of different densities and may change speeds and bend - the behavior is...
802.11n
Passphrase
Refraction
Addresses wireless Quality of Service
44. In order to set up an ad hoc network a user must know which two parameters?
SSID and Channel
Small Office/Home Office Organizations (SOHO)
Data rate increases
Personal mode and Enterprise Mode
45. When RF passes or bends around an obstacle such as a building or column - the behavior is
Mesh
Personal mode and Enterprise Mode
Diffraction
Antenna diversity
46. WPA was developed as an interim solution for which amendment to the 802.11 standards?
CTS attacks - Deauth attack - Association flood - Jamming
Trojan/Rogue APs - Arp spoofing - DNS spoofing
802.11i
Degradation
47. A ______________ does not always use an omnidirectional antenna
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Point-to-point link
Degradation
Obstacles
48. What best describes the Wi-Fi alliance?
DBi
Management - control - data
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Interoperability testing organization
49. Which two options are for Wi-Fi Protected Access 2 (WPA 2.0)?
AP radio
Personal mode and Enterprise Mode
32
X.509 certificates on the subscriber side only.
50. The radio card can operate in one of up to six possible modes of operation...
Management
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Know the SSID and enter it manually
Interference from a neighboring access point RF denial-of-service (Dos) attack