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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. In this mode - the card acts as a normal access point
Master
Unencrypted
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
PIN
2. Maximum length of data (Frame body) is 2304 when ____ is not in use
Captive portal
Encryption
802.11
32 character maximum and is case sensitive
3. Which function does RBAC provide?
Service sets
SSID and Channel
Restricts access to authorized users
Addresses wireless Quality of Service
4. if operating with _____ - clients and AP communications all contend for the same half-duplex medium which causes a degradation of overall throughput
5. Which security feature provides the strongest security for a home-based wireless network?
Greenfield mode
Passphrase
Arp
Spoof an address
6. This is typically the 48-bit MAC address of the access point's radio card.
DB and dBi
Passive scan
Workgroup Bridge mode.
BSSID (Basic Service Set identifier)
7. 3 types of antennas
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Degradation
Roaming
Number of users and software applications in use
8. a ___ filter is used to allow or deny wireless barcode scanners access to an 802.11b/g network.
Refraction
MAC
One or more
Arp replay
9. When an RF signal passes between mediums of different densities and may change speeds and bend - the behavior is...
6 -12 - and 24 Mbps
Management
802.11a
Refraction
10. High throughput mode 3
Monitor
Point-to-point link
Addresses wireless Quality of Service
HT fixed mode
11. 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
Greenfield mode
MAC
IPSec
Mismatched SSID
12. What is regarded in 802.11e?
Brute force - statistical and dictionary
Addresses wireless Quality of Service
AP to AP
Mesh
13. How many non-overlapping channels are available in the unlicensed 2.4GHz ISM band?
802.11n
Trojan/Rogue APs
HT fixed mode
3
14. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?
Enter a username and password that will be central administered
Roaming
Other 802.11a devices
X.509 certificates on the subscriber side only.
15. 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
WPA2 -WEP
ERP protection
6 -12 - and 24 Mbps
DB and dBi
16. What kind of Algorithm does WPA2 use?
32 character maximum and is case sensitive
Passive scan
AES = CCMP required
4 channels
17. What item has an effect on RF line of site?
802.11n
BSSID (Basic Service Set identifier)
Obstacles
WPA 2.0 personal and WPS
18. How many different channels are available for wireless LANs to use in the unlicensed UNII-1 band?
Active mode
Brute force - statistical and dictionary
Walled Garden.
4 channels
19. WI-Fi Protected Setup was designed for which of the following wireless applications?
64-bit - 128-bit
Small Office/Home Office Organizations (SOHO)
Plaintext
Security
20. 802.11g is backward compatible to which of the following IEEE wireless LAN standards?
Personal mode and Enterprise Mode
Greenfield mode
802.11b HR/DSSS and 802.11 DSSS
Ad-Hoc
21. When RF passes or bends around an obstacle such as a building or column - the behavior is
Authentication
1
Restricts access to authorized users
Diffraction
22. WHich security solution is mandatory for client devices in order to be considered Wi-Fi Protected setup certified?
32 character maximum and is case sensitive
PIN
64-bit - 128-bit
Dynamic Rate switching
23. 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
Open system and Shared key
Residential and Enterprise
Walled Garden.
Captive portal
24. The process in which a wireless LAN clients connection moves from one access point to another is called ______
ISM
802.11g
Height of an RF signal
Roaming
25. In order for a wireless client to become completely part of the basic service set it must first ___ then ___
SSID and Channel
WPA2 -WEP
Deauth
Authenticate - associate
26. This type of attack is used to stimulate large amounts of traffic on the network for statistical attacks on WEP
1 - 5.5 and 11 Mbps
FHSS
Access point
Arp replay
27. Probe requests are used by clients as part of the ____ process
Passve Scanning
Independent
11
Active scanning
28. An Ack is expected for every____ frame transmitted
22MHz wide
Trojan/Rogue APs
Service sets
Unicast
29. The IEEE 802.1X standard identifies the authenticator as another term for the ___ in wireless networking
Active mode
Station (STA)
Open system and Shared key
Access point
30. A ______________ does not always use an omnidirectional antenna
ISM
Point-to-point link
Service sets
Managed
31. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
Interoperability testing organization
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
802.11b
Dual radio APs
32. These are user configurable and present in only five 802.11 frame types...
Arp
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Dictionary
Client
33. 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
A VPN to the office network
Wireless Game adapters and Media Bridges
WPA 2.0 personal and WPS
802.11i
34. The extra overhead of RTS/CTS will cause a ___________ of maximum throughput on the network.
1 -6 -11
Degradation
Managed
3
35. how many channels are available for wireless LAN use in the unlicensed 2.4GHz ISM band?
14
25 MHz
MAC
Trojan/Rogue APs - Arp spoofing - DNS spoofing
36. A basic service set identifier (BSSID) is the MAC address of the ____
AP radio
Carefully plan a strategy using WEP and VLANs
Other 802.11a devices
FCC
37. The 802.11i amendment to the standard addresses which of the following technologies?
SSID and Channel
DB and dBi
Wavelength
Security
38. When an RF signal bounces off a smooth non absorptive surface - the behavior is
Reflection
Watt and mW
Dictionary
IPSec
39. What organization is responsible for unlicensed frequency band regulations in the United States?
Deauth
FCC
Bridge mode
1
40. What best describes the Wi-Fi alliance?
Diffraction
Interoperability testing organization
Authenticate - associate
Station (STA)
41. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
Station (STA)
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
802.11b HR/DSSS and 802.11 DSSS
42. What type of certification came from 802.11i
WPA2
Acknowledgement frames
Wireless gateways
FHSS
43. In order to set up an ad hoc network a user must know which two parameters?
Enter a username and password that will be central administered
SSID and Channel
Wireless gateways
ERP-OFDM - DSSS
44. According to the IEEE 802.11 standard - an extended service set (ESS) consists of how many interconnected basic service sets?
One or more
WPA2 -WEP
LTE
1 -6 -11
45. Two authentication types defined in the 802.11 standard
1
Single radio AP's
Open system and Shared key
Security
46. Layer 2 Tunneling Protocol commonly uses which encryption method?
Two
IPSec
Automatically monitor the network for attacks
SSID (service set identifier)
47. High Throughput mode 0
Single radio AP's
Greenfield mode
CA - Collision avoidance
2304 bytes
48. 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.
Interference from a neighboring access point RF denial-of-service (Dos) attack
WPA/WPA2
Repeater
49. A brute force attack is limited to breaking___ WEP keys
Fake auth
Other 802.11a devices
Three
40 bit
50. in the 802.11a amendment - the UNII-3 band can be used for which WLAN applications?
Degradation
Indoor and outdoor
Master
Client