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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. 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
OFDM
Extended Service Set (ESS)
Carefully plan a strategy using WEP and VLANs
64-bit - 128-bit
2. Beacons allow client devices to ____ for available LANS
Small Office/Home Office Organizations (SOHO)
802.11n
Passive scan
Client
3. 802.11w can only be used in networks using_____
Ad-Hoc
Independent
Addresses wireless Quality of Service
WPA/WPA2
4. Probe requests are used by clients as part of the ____ process
OFDM
32
Indoor and outdoor
Active scanning
5. Which if the following organizations is responsible for standards compliance?
25 MHz
Basic Service Set (BSS)
802.11g
Wi-Fi Alliance
6. In bluetooth - one master may communicate with up to ___ slaves in a piconet
Open system
7
UNII
Wireless gateways
7. WHich security solution is mandatory for client devices in order to be considered Wi-Fi Protected setup certified?
LTE
Wavelength
Passphrase
PIN
8. What protocol am I? - 2.4GHz Freq - 2 Mbps Data Rate - DSSS/FHSSS
802.11b HR/DSSS and 802.11 DSSS
Small Office/Home Office Organizations (SOHO)
Three
802.11
9. What algorithm does WEP use
Master
RC4
2304 bytes
Extended Service Set (ESS)
10. Which function does RBAC provide?
Spoof an address
2304 bytes
Repeater
Restricts access to authorized users
11. Two authentication types defined in the 802.11 standard
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Open system and Shared key
Interference from a neighboring access point RF denial-of-service (Dos) attack
Greenfield mode
12. What is the term defining the amount of times a cycle of an RF signal will oscillate in one second?
40 bit
RC4
Frequency
Refraction
13. Three types of MITM attacks
Root mode
Trojan/Rogue APs - Arp spoofing - DNS spoofing
SOHO brands that support WPS
Wavelength
14. a ___ filter is used to allow or deny wireless barcode scanners access to an 802.11b/g network.
Indoor and outdoor
WPA2
MAC
Amplitude and phase
15. Bridge mode will not allow client associations and is ______ only
WPA2
Data rate increases
Workgroup Bridge mode.
AP to AP
16. ___ mode provides a wireless 'upstream' connection for wireless clients - and is also known as a 'range extender'.
Arp
Reflection
Dual radio APs
Repeater
17. Name two relative measures of power
1 - 5.5 and 11 Mbps
DB and dBi
Management - control - data
Independent
18. 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
Mismatched SSID
WPA 2.0 personal and WPS
11
SSID and Channel
19. 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
Mesh
802.11b HR/DSSS and 802.11 DSSS
Mismatched SSID
Quality of Service
20. Three types of passive WEP attacks
Personal mode and Enterprise Mode
1
2.4-2.5GHz
Brute force - statistical and dictionary
21. What organization is responsible for unlicensed frequency band regulations in the United States?
Mesh network
Wireless Game adapters and Media Bridges
802.11
FCC
22. What protocol am I? - 2.5/5 GHz Data rate - 248 Mbps - OFDM/MIMO
Brute force - statistical and dictionary
802.11n
IPSec
Arp
23. The process in which a wireless LAN clients connection moves from one access point to another is called ______
ERP-OFDM - DSSS
Root mode
Roaming
Fakeauth
24. 802.11 uses CSMA/...
Open system
CA - Collision avoidance
TKIP - optional RC4
6 -12 - and 24 Mbps
25. Two characteristics of signals are
Enter a username and password that will be central administered
CTS attacks - Deauth attack - Association flood - Jamming
Acknowledgement frames
Amplitude and phase
26. WI-Fi Protected Setup was designed for which of the following wireless applications?
Plaintext
WEP
Small Office/Home Office Organizations (SOHO)
Security
27. Management frames are sent in....
ISM
Plaintext
Access point
Number of users and software applications in use
28. This mode provides wireless connectivity between two or more wired networks. It may be configured as Point-to-point or point-to-multipoint. Links and operates as either a root bridge or non-root bridge.
Brute force - statistical and dictionary
Bridge mode
802.11b
Secure Layer 3 transmissions over a public network infrastructure
29. What is addressed by the Wi-Fi Multimedia (WMM) certifications?
Quality of Service
Interoperability testing organization
11
DB and dBi
30. When RF passes or bends around an obstacle such as a building or column - the behavior is
Unencrypted
Know the SSID and enter it manually
Basic Service Set (BSS)
Diffraction
31. How many different channels are available for wireless LANs to use in the unlicensed UNII-1 band?
Small Office/Home Office Organizations (SOHO)
Trojan/Rogue APs - Arp spoofing - DNS spoofing
4 channels
WPA2
32. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
Trojan/Rogue APs - Arp spoofing - DNS spoofing
Wireless gateways
802.11
ISM
33. As a device moves away from an access point - what is true regarding dynamic rate switching?
Passve Scanning
HT Non member protection mode
Data rate increases
HT fixed mode
34. The length of a WEP key is typically ___ or ___
802.11i
64-bit - 128-bit
HT Non member protection mode
Wi-Fi Alliance
35. Wireless LAN devices in an 802.11a peer-to-peer network will connect to which devices?
7
Other 802.11a devices
Residential and Enterprise
Dynamic Rate switching
36. What protocol am I? - 2.4 GHz Freq - 11 Mbps Data Rate - DSSS
SOHO brands that support WPS
802.11b
Fakeauth
Fake auth
37. What best describes the Wi-Fi alliance?
Repeater
Interoperability testing organization
Semi directional and Highly directional
7
38. A weakness with MAC filtering is that it allows an intruder to ____
Spoof an address
Number of users and software applications in use
Restricts access to authorized users
AP radio
39. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
CCMP
AP radio
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.
11
40. This type of authentication is essentially 'Null authentication'
AP to AP
Open system
Authentication
4 channels
41. A station can act as a routing node in a wireless mesh network
Quality of Service
Mesh
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Three
42. The range of a 2.4GHz signal is mostly dependent on what RF characteristic?
Wavelength
Trojan/Rogue APs - Arp spoofing - DNS spoofing
UNII
6 -12 - and 24 Mbps
43. The 802.11g standard uses which two speed spectrum technologies.
MAC
Repeater
ERP-OFDM - DSSS
RC4
44. An independent basic service set (IBSS) consists of how many access points?
Passphrase
Client
0
WPA2
45. 802.11g LAN operates in what frequency range?
Trojan/Rogue APs
WPA2
2.4-2.5GHz
Unencrypted
46. The open system authentication process uses how many frames?
Passphrase
Active mode
Two
CA - Collision avoidance
47. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
Deauth
AES = CCMP required
Independent
Mesh
48. Aireplay-ng -0
CCMP
Arp replay
Bridge mode
Deauth
49. Wireless gateways come in two primary forms...
Residential and Enterprise
AES = CCMP required
Transmitter and receiver
14
50. This is typically the 48-bit MAC address of the access point's radio card.
A VPN to the office network
BSSID (Basic Service Set identifier)
Arp
802.11b