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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. an 802.11b 2.4GHz channel is how wide in MHz?
22MHz wide
Residential and Enterprise
Frequency
Brute force - statistical and dictionary
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
Service sets
Interference from a neighboring access point RF denial-of-service (Dos) attack
RC4
1
3. in the 802.11a amendment - the UNII-3 band can be used for which WLAN applications?
OFDM
A VPN to the office network
Indoor and outdoor
Basic Service Set (BSS)
4. Maximum length of data (Frame body) is 2304 when ____ is not in use
Watt and mW
Unencrypted
Encryption
Automatically monitor the network for attacks
5. 4 types of Denial of Service attacks
DBi
A VPN to the office network
CTS attacks - Deauth attack - Association flood - Jamming
Addresses wireless Quality of Service
6. WiMAX 802.16 authentication is based on...
X.509 certificates on the subscriber side only.
22MHz wide
Extended Service Set (ESS)
Acknowledgement frames
7. ___ are used to describe the basic components and topology of a WLAN
Dynamic Rate switching
Service sets
Client
Data rate increases
8. What is addressed by the Wi-Fi Multimedia (WMM) certifications?
Management
Quality of Service
802.11a
Station (STA)
9. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
Dynamic Rate switching
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.
Acknowledgement frames
32
10. 802.11 frames have a maximum 'upper-layer' payload of...
SSID and Channel
2304 bytes
2.4-2.5GHz
WPA2 -WEP
11. ____ is also known as the Protected management frame standard
Wavelength
Mesh network
Passphrase
802.11w
12. What is the gain of an antenna measured in
DBi
Management
One or more
Mesh
13. What organization is responsible for unlicensed frequency band regulations in the United States?
Height of an RF signal
Automatically monitor the network for attacks
Managed
FCC
14. Typically a point-to-multipoint link consists of ____ connections
Three
Point-to-point link
Root mode
Unicast
15. In repeater mode - the repeater device connects to a normal '___ mode'
4 channels
Management - control - data
Access point
Root mode
16. This is a topology in which two or more APs are connected by a common distribution system.
Captive portal
AP to AP
Extended Service Set (ESS)
Residential and Enterprise
17. The association process happens after which phase?
Authentication
IPSec
Captive portal
Diffraction
18. The ___ acts as a hub for the WLAN; wireless frame pass through this device
Access point
Bridge mode
Dynamic Rate switching
Interference from a neighboring access point RF denial-of-service (Dos) attack
19. High Throughput mode 0
Bridge mode
Greenfield mode
WPA/WPA2
LTE
20. A service set identifier (SSID) has a maximum limit of how many characters?
32
Know the SSID and enter it manually
Frequency
Workgroup Bridge mode.
21. Two authentication types defined in the 802.11 standard
Open system and Shared key
Open system
Root mode
LTE
22. This type of MITM attack involves sending fake or spoofed ARP responses on a LAN to the victim and or gateway
PIN
TKIP - optional RC4
ARP spoofing
Management - control - data
23. What protocol am I? - 2.4 GHz Freq - 11 Mbps Data Rate - DSSS
Dynamic Rate switching
Open system and Shared key
802.11b
WEP
24. Probe requests are used by clients as part of the ____ process
Active scanning
Active mode
Two
Wavelength
25. High throughput mode 2
Trojan/Rogue APs
HT 20 MHz protection mode
Repeater
Open system and Shared key
26. 802.11w can only be used in networks using_____
WPA/WPA2
Ad-Hoc
AES = CCMP required
Access point
27. This type of authentication is essentially 'Null authentication'
Open system
Antenna diversity
Passphrase
WPA 2.0 personal and WPS
28. Bridge mode will not allow client associations and is ______ only
WPA 2.0 personal and WPS
Dynamic Rate switching
802.11b HR/DSSS and 802.11 DSSS
AP to AP
29. Which items are unique to a service set identifier
32 character maximum and is case sensitive
Dual radio APs
DBi
Fake auth
30. The open system authentication process uses how many frames?
WPA 2.0 personal and WPS
Mismatched SSID
Two
Addresses wireless Quality of Service
31. Point to Point links typically use which antenna types?
Obstacles
25 MHz
802.11a
Semi directional and Highly directional
32. Name two relative measures of power
One or more
DB and dBi
RC4
WPA 2.0 personal and WPS
33. According to the IEEE 802.11 standard - an extended service set (ESS) consists of how many interconnected basic service sets?
Residential and Enterprise
802.11
One or more
Root mode
34. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
Access point
Dual radio APs
Managed
Service sets
35. The radio card can operate in one of up to six possible modes of operation...
ERP protection
Transmitter and receiver
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
802.11r
36. A basic service set identifier (BSSID) is the MAC address of the ____
AP radio
SSID (service set identifier)
Service sets
DB and dBi
37. in the 2.4GHz range - what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS
AES = CCMP required
25 MHz
Personal mode and Enterprise Mode
Ad-Hoc
38. A newly configured wireless intrusion prevention system will___
Automatically monitor the network for attacks
64-bit - 128-bit
WPA2 -WEP
Fakeauth
39. how many channels are available for wireless LAN use in the unlicensed 2.4GHz ISM band?
Addresses wireless Quality of Service
Beacons - Probe request - Probe response - Association Request - Reassociation Request
14
Dynamic Rate switching
40. 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
802.11
Mismatched SSID
MAC
UNII
41. An independent basic service set (IBSS) consists of how many access points?
Dynamic Rate switching
Spoof an address
0
32 character maximum and is case sensitive
42. A ___ is end-user nodes such as desktop -laptop or PDA computers or any device that needs wireless connectivity into the wireless network infrastructure
Addresses wireless Quality of Service
Client
Amplitude and phase
6 -12 - and 24 Mbps
43. 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.
802.11w
Wi-Fi Alliance
Bridge mode
25 MHz
44. These are user configurable and present in only five 802.11 frame types...
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Three
Wireless Game adapters and Media Bridges
Refraction
45. 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
Walled Garden.
Management
Two
A VPN to the office network
46. This is typically the 48-bit MAC address of the access point's radio card.
Managed
DBi
BSSID (Basic Service Set identifier)
Unencrypted
47. ___ mode provides a wireless 'upstream' connection for wireless clients - and is also known as a 'range extender'.
1 -6 -11
Client
22MHz wide
Repeater
48. Management frames are sent in....
Plaintext
802.11n
Number of users and software applications in use
WPA Enterprise -WEP -MAC filters
49. This sets the card to participate in an independent basic service set
Other 802.11a devices
Access point
Ad-Hoc
Station (STA)
50. What item has an effect on RF line of site?
Unencrypted
Obstacles
25 MHz
Dual radio APs
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