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Wireless Technology Specialist
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Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
Dual radio APs
Frequency
WPA 2.0 personal and WPS
OFDM
2. 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
Managed
3
Interference from a neighboring access point RF denial-of-service (Dos) attack
Security
3. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?
6 -12 - and 24 Mbps
Dynamic Rate switching
Enter a username and password that will be central administered
Access point
4. Name two relative measures of power
Station (STA)
Acknowledgement frames
Security
DB and dBi
5. Point to Point links typically use which antenna types?
Captive portal
Number of users and software applications in use
Semi directional and Highly directional
802.11g
6. What type of algorithm does WPA use
TKIP - optional RC4
ERP protection
Acknowledgement frames
Arp
7. Which process is a VPN solution intended to provide for users connection to a network
40 bit
Secure Layer 3 transmissions over a public network infrastructure
1 -6 -11
SSID (service set identifier)
8. In this mode - the card acts as a normal access point
802.11i
Brute force - statistical and dictionary
Active mode
Master
9. In bluetooth - one master may communicate with up to ___ slaves in a piconet
7
Access point
Arp replay
25 MHz
10. ____ is the wireless amendment that specifies how to conduct seamless handoffs.
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.
SSID (service set identifier)
ERP protection
802.11r
11. What algorithm does WEP use
RC4
Addresses wireless Quality of Service
SOHO brands that support WPS
802.11b HR/DSSS and 802.11 DSSS
12. an 802.11b 2.4GHz channel is how wide in MHz?
Master
Diffraction
Trojan/Rogue APs
22MHz wide
13. 802.11w can only be used in networks using_____
Watt and mW
Encryption
Monitor
WPA/WPA2
14. A basic service set identifier (BSSID) is the MAC address of the ____
Root mode
AP radio
Mismatched SSID
22MHz wide
15. 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.
Plaintext
Bridge mode
802.11a
Basic Service Set (BSS)
16. This is the default mode that sets the card as a client that could then connect to an AP
Fakeauth
Managed
Height of an RF signal
Service sets
17. Two characteristics of signals are
Height of an RF signal
1 - 5.5 and 11 Mbps
Amplitude and phase
Repeater
18. how many channels are available for wireless LAN use in the unlicensed 2.4GHz ISM band?
Secure Layer 3 transmissions over a public network infrastructure
MAC
Master
14
19. The length of a WEP key is typically ___ or ___
Station (STA)
64-bit - 128-bit
Dynamic Rate switching
Transmitter and receiver
20. 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?
Basic Service Set (BSS)
1 -6 -11
22MHz wide
Dynamic Rate switching
21. What type of certification came from 802.11i
WPA2
Number of users and software applications in use
Unicast
Deauth
22. 5.0 GHz - Ch 36 and up - Non overlapping - 23 total channels
Point-to-point link
Single radio AP's
UNII
Other 802.11a devices
23. Similar to bridging - Access Points operating in a wireless ___ network form a multipoint-to-multipoint network. This type of networking has been used to form Municipal WiFi networks in many cities.
SSID (service set identifier)
WPA2
802.11r
Mesh network
24. This type of MITM attack involves sending fake or spoofed ARP responses on a LAN to the victim and or gateway
Obstacles
Single radio AP's
ARP spoofing
Roaming
25. What item has an effect on RF line of site?
Client
Refraction
Obstacles
ERP-OFDM - DSSS
26. You need to attend a business meeting out of town that requires air travel. You are at the airport and have some extra time. While waiting to board your plane you decide to check your office e-mail using 802.11g hotspot access point at the airport. I
Authentication
Single radio AP's
A VPN to the office network
Restricts access to authorized users
27. In order for a wireless client to become completely part of the basic service set it must first ___ then ___
Fake auth
Interoperability testing organization
Active mode
Authenticate - associate
28. WiMAX 802.16 authentication is based on...
Management - control - data
X.509 certificates on the subscriber side only.
Trojan/Rogue APs
Trojan/Rogue APs - Arp spoofing - DNS spoofing
29. These types of attacks are used to generate fake associated clients on an AP in order to enable injection attacks through the AP
Fake auth
Active mode
Greenfield mode
802.11i
30. Wireless LAN devices in an 802.11a peer-to-peer network will connect to which devices?
Extended Service Set (ESS)
Other 802.11a devices
Brute force - statistical and dictionary
Master
31. 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
Arp replay
3
1 - 5.5 and 11 Mbps
Mismatched SSID
32. Three types of passive WEP attacks
Three
PIN
Brute force - statistical and dictionary
802.11r
33. Which security methods do 802.11g access points support?
WPA Enterprise -WEP -MAC filters
Single radio AP's
Bridge mode
Personal mode and Enterprise Mode
34. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
Independent
One or more
HT Non member protection mode
UNII
35. 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.
Authentication
Indoor and outdoor
Brute force - statistical and dictionary
36. 3 types of frames
Management - control - data
Obstacles
Unicast
Authentication
37. Probe requests are used by clients as part of the ____ process
2.4-2.5GHz
Active scanning
11
802.11b HR/DSSS and 802.11 DSSS
38. 802.11 uses CSMA/...
UNII
CA - Collision avoidance
Repeater
6 -12 - and 24 Mbps
39. Aireplay-ng -0
Deauth
DBi
HT Non member protection mode
SSID (service set identifier)
40. High Throughput mode 1
802.11a
HT Non member protection mode
802.11
Personal mode and Enterprise Mode
41. A newly configured wireless intrusion prevention system will___
Two
Automatically monitor the network for attacks
Basic Service Set (BSS)
Interference from a neighboring access point RF denial-of-service (Dos) attack
42. in the 2.4GHz range - what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS
Watt and mW
Mesh network
Basic Service Set (BSS)
25 MHz
43. What protocol am I? - 2.5/5 GHz Data rate - 248 Mbps - OFDM/MIMO
Obstacles
802.11n
Dictionary
WPA2
44. A station can act as a routing node in a wireless mesh network
Frequency
Interoperability testing organization
Mesh
32 character maximum and is case sensitive
45. 802.11g LAN operates in what frequency range?
Spoof an address
CCMP
802.11g
2.4-2.5GHz
46. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
UNII
Enter a username and password that will be central administered
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Wireless gateways
47. ____ 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
Antenna diversity
25 MHz
Extended Service Set (ESS)
Security
48. This is typically the 48-bit MAC address of the access point's radio card.
Ad-Hoc
BSSID (Basic Service Set identifier)
Frequency
Know the SSID and enter it manually
49. What protocol am I? - 2.4 GHz Freq - 11 Mbps Data Rate - DSSS
Management
Master
Trojan/Rogue APs
802.11b
50. When a wireless LAN device listens for beacon frames - it is participating in which phase?
Other 802.11a devices
Interoperability testing organization
Passve Scanning
Residential and Enterprise
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