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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. The range of a 2.4GHz signal is mostly dependent on what RF characteristic?
4 channels
WPA Enterprise -WEP -MAC filters
HT Non member protection mode
Wavelength
2. Which items are unique to a service set identifier
Refraction
Repeater
32 character maximum and is case sensitive
Passive scan
3. The length of a WEP key is typically ___ or ___
WEP
HT Non member protection mode
Mesh network
64-bit - 128-bit
4. Management frames are sent in....
ERP protection
Plaintext
RC4
Dictionary
5. When an RF signal passes between mediums of different densities and may change speeds and bend - the behavior is...
Refraction
Automatically monitor the network for attacks
FCC
Watt and mW
6. the amplitude of an RF signal is
Height of an RF signal
Semi directional and Highly directional
Personal mode and Enterprise Mode
Open system and Shared key
7. Typically a point-to-multipoint link consists of ____ connections
Security
Monitor
WPA2 -WEP
Three
8. Give two examples of WGB devices.
Wireless Game adapters and Media Bridges
AP to AP
Quality of Service
Repeater
9. ____ 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'
Restricts access to authorized users
Personal mode and Enterprise Mode
Workgroup Bridge mode.
AP radio
10. This sets the card to participate in an independent basic service set
25 MHz
Addresses wireless Quality of Service
Ad-Hoc
Arp
11. Bridge mode will not allow client associations and is ______ only
UNII
802.11w
AP to AP
PIN
12. A ___ is end-user nodes such as desktop -laptop or PDA computers or any device that needs wireless connectivity into the wireless network infrastructure
WEP
Plaintext
Diffraction
Client
13. Name two absolute measures of RF power
Watt and mW
Three
Security
ERP-OFDM - DSSS
14. ___ mode provides a wireless 'upstream' connection for wireless clients - and is also known as a 'range extender'.
Station (STA)
802.11
Repeater
0
15. How many different channels are available for wireless LANs to use in the unlicensed UNII-1 band?
Workgroup Bridge mode.
HT Non member protection mode
4 channels
Single radio AP's
16. What type of wireless network device is PIN-based security most commonly used with
SOHO brands that support WPS
2.4-2.5GHz
WPA2
32 character maximum and is case sensitive
17. What type of algorithm does WPA use
Diffraction
ERP-OFDM - DSSS
Number of users and software applications in use
TKIP - optional RC4
18. 3 types of antennas
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
AP radio
Open system
802.11g
19. Which process is a VPN solution intended to provide for users connection to a network
Trojan/Rogue APs
Open system and Shared key
Small Office/Home Office Organizations (SOHO)
Secure Layer 3 transmissions over a public network infrastructure
20. This if often found at cyber cafes. It forces an HTTP client on a network to see a special web page for authentication before using the internet normally.
Diffraction
Captive portal
Other 802.11a devices
WPA2 -WEP
21. High throughput mode 2
One or more
TKIP - optional RC4
HT 20 MHz protection mode
2.4-2.5GHz
22. Which function does RBAC provide?
Restricts access to authorized users
Mesh
SSID and Channel
802.11n
23. Name 3 channels considered non overlapping in the 2.4GHZ band
SSID (service set identifier)
Unicast
1 -6 -11
802.11n
24. An independent basic service set (IBSS) consists of how many access points?
Passive scan
Semi directional and Highly directional
0
Trojan/Rogue APs
25. In this mode a station can act as a relay or WLAN range extender
0
Repeater
DB and dBi
Plaintext
26. According to the IEEE 802.11 standard - an extended service set (ESS) consists of how many interconnected basic service sets?
One or more
Independent
A VPN to the office network
25 MHz
27. WPA was developed as an interim solution for which amendment to the 802.11 standards?
802.11i
CTS attacks - Deauth attack - Association flood - Jamming
64-bit - 128-bit
6 -12 - and 24 Mbps
28. 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?
Dynamic Rate switching
Trojan/Rogue APs - Arp spoofing - DNS spoofing
ERP protection
6 -12 - and 24 Mbps
29. The association process happens after which phase?
Enter a username and password that will be central administered
Quality of Service
Authentication
Repeater
30. Bluetooth uses a radio technology called
2304 bytes
BSSID (Basic Service Set identifier)
Know the SSID and enter it manually
FHSS
31. Two authentication types defined in the 802.11 standard
Open system and Shared key
Passphrase
BSSID (Basic Service Set identifier)
Mesh
32. Both ___ and ___ are wireless LAN security methods that support shared key security.
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
Carefully plan a strategy using WEP and VLANs
AP radio
WPA2 -WEP
33. WiMAX 802.16 authentication is based on...
WPA2 -WEP
Roaming
X.509 certificates on the subscriber side only.
Trojan/Rogue APs
34. A weakness with MAC filtering is that it allows an intruder to ____
ERP protection
IPSec
Spoof an address
Other 802.11a devices
35. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
802.11b HR/DSSS and 802.11 DSSS
Independent
Degradation
Monitor
36. Wireless LAN devices in an 802.11a peer-to-peer network will connect to which devices?
Other 802.11a devices
HT 20 MHz protection mode
Plaintext
Open system
37. High throughput mode 3
Degradation
HT fixed mode
Quality of Service
Client
38. Name two relative measures of power
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Active scanning
DB and dBi
Carefully plan a strategy using WEP and VLANs
39. What two devices use RF to communicate
Transmitter and receiver
Independent
7
11
40. Beacons allow client devices to ____ for available LANS
MAC
Amplitude and phase
Passive scan
AP radio
41. This type of authentication is essentially 'Null authentication'
Master
Open system
Roaming
Indoor and outdoor
42. When a wireless LAN device listens for beacon frames - it is participating in which phase?
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
Basic Service Set (BSS)
Passve Scanning
Walled Garden.
43. 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
Authentication
Semi directional and Highly directional
Client
Mismatched SSID
44. What protocol am I? - 2.4GHz Freq - 2 Mbps Data Rate - DSSS/FHSSS
Dual radio APs
802.11
Extended Service Set (ESS)
Indoor and outdoor
45. What is the term defining the amount of times a cycle of an RF signal will oscillate in one second?
WPA2
1 -6 -11
Interference from a neighboring access point RF denial-of-service (Dos) attack
Frequency
46. 802.11g LAN operates in what frequency range?
Know the SSID and enter it manually
CA - Collision avoidance
AP to AP
2.4-2.5GHz
47. A brute force attack is limited to breaking___ WEP keys
Secure Layer 3 transmissions over a public network infrastructure
Obstacles
2.4-2.5GHz
40 bit
48. Aireplay-ng -1
11
Fakeauth
Mesh network
SSID and Channel
49. Point to Point links typically use which antenna types?
Obstacles
Semi directional and Highly directional
11
Dictionary
50. Wireless gateways come in two primary forms...
Residential and Enterprise
HT 20 MHz protection mode
Other 802.11a devices
Trojan/Rogue APs - Arp spoofing - DNS spoofing