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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. 802.11g LAN operates in what frequency range?
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.
2.4-2.5GHz
SOHO brands that support WPS
Unencrypted
2. ___ is the latest standard in the mobile network technology tree that produced the GSM/EDGE and UMTS/HSPA network technologies
802.11g
Residential and Enterprise
LTE
Spoof an address
3. 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
Monitor
Frequency
WPA 2.0 personal and WPS
1 -6 -11
4. A pre-shared key mode may be vulnerable to a ____ attack
Dictionary
802.11g
WPA2 -WEP
DBi
5. 3 types of antennas
Mesh network
Wavelength
802.11n
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
6. 802.11b is capable of which data rates?
OFDM
WPA Enterprise -WEP -MAC filters
Passive scan
1 - 5.5 and 11 Mbps
7. ____ is also known as the Protected management frame standard
802.11w
Addresses wireless Quality of Service
Plaintext
Spoof an address
8. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
Semi directional and Highly directional
IPSec
Independent
Acknowledgement frames
9. 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?
AP to AP
Dynamic Rate switching
Know the SSID and enter it manually
64-bit - 128-bit
10. What protocol am I? - 2.4GHz Freq - 2 Mbps Data Rate - DSSS/FHSSS
Independent
DB and dBi
Mesh network
802.11
11. Both ___ and ___ are wireless LAN security methods that support shared key security.
AP to AP
Automatically monitor the network for attacks
Workgroup Bridge mode.
WPA2 -WEP
12. Hiding the service set identifier of a wireless LAN will require a user to ____ in order to gain access to the wireless network
SSID (service set identifier)
Access point
Know the SSID and enter it manually
802.11a
13. Beacons allow client devices to ____ for available LANS
Passive scan
6 -12 - and 24 Mbps
Arp replay
AES = CCMP required
14. The Access point can operate in a variety of modes...
Access point
Mesh network
ISM
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
15. an 802.11b 2.4GHz channel is how wide in MHz?
22MHz wide
WEP
BSSID (Basic Service Set identifier)
TKIP - optional RC4
16. Point to Point links typically use which antenna types?
Authentication
CA - Collision avoidance
AP radio
Semi directional and Highly directional
17. This type of authentication is essentially 'Null authentication'
CA - Collision avoidance
AES = CCMP required
Dynamic Rate switching
Open system
18. 4 types of Denial of Service attacks
Number of users and software applications in use
CTS attacks - Deauth attack - Association flood - Jamming
Authenticate - associate
LTE
19. This is a topology in which two or more APs are connected by a common distribution system.
0
Service sets
TKIP - optional RC4
Extended Service Set (ESS)
20. ____ 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'
Access point
1
Workgroup Bridge mode.
LTE
21. Which if the following organizations is responsible for standards compliance?
Wi-Fi Alliance
Indoor and outdoor
Mesh
Passphrase
22. High Throughput mode 1
Security
Know the SSID and enter it manually
Restricts access to authorized users
HT Non member protection mode
23. A weakness with MAC filtering is that it allows an intruder to ____
Interoperability testing organization
WPA Enterprise -WEP -MAC filters
1
Spoof an address
24. ___ is the topology in which no AP participates - client devices communicate directly to eachother.
Workgroup Bridge mode.
TKIP - optional RC4
Encryption
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.
25. a ___ filter is used to allow or deny wireless barcode scanners access to an 802.11b/g network.
Addresses wireless Quality of Service
Arp
MAC
32
26. Wireless gateways come in two primary forms...
Root mode
Residential and Enterprise
Extended Service Set (ESS)
Unicast
27. This is the default mode that sets the card as a client that could then connect to an AP
Managed
DB and dBi
Repeater
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
28. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
LTE
Frequency
SOHO brands that support WPS
Wireless gateways
29. The ___ acts as a hub for the WLAN; wireless frame pass through this device
1 -6 -11
Access point
802.11b HR/DSSS and 802.11 DSSS
Height of an RF signal
30. Which two options are for Wi-Fi Protected Access 2 (WPA 2.0)?
Antenna diversity
Personal mode and Enterprise Mode
Data rate increases
WPA2
31. Aireplay-ng -3
Bridge mode
Repeater
Antenna diversity
Arp
32. Which security methods do 802.11g access points support?
Trojan/Rogue APs - Arp spoofing - DNS spoofing
WPA Enterprise -WEP -MAC filters
RC4
Plaintext
33. What protocol am I? - 2.5/5 GHz Data rate - 248 Mbps - OFDM/MIMO
AP radio
Mesh network
RTS/CTS
802.11n
34. What two devices use RF to communicate
Refraction
Transmitter and receiver
Greenfield mode
Three
35. An independent basic service set (IBSS) consists of how many access points?
Master
0
Wireless Game adapters and Media Bridges
802.11g
36. The main component of an 802.11 wireless network is the radio card (NIC) - which is referred to by the 802.11 standards as a...
Station (STA)
Service sets
Repeater
Trojan/Rogue APs
37. What best describes the Wi-Fi alliance?
Greenfield mode
Interoperability testing organization
Walled Garden.
UNII
38. The range of a 2.4GHz signal is mostly dependent on what RF characteristic?
Refraction
Managed
X.509 certificates on the subscriber side only.
Wavelength
39. How many channels are available for wireless LAN use in the unlicensed middles UNII 2e band?
Personal mode and Enterprise Mode
Greenfield mode
11
Independent
40. if operating with _____ - clients and AP communications all contend for the same half-duplex medium which causes a degradation of overall throughput
Warning
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on line
183
41. The process in which a wireless LAN clients connection moves from one access point to another is called ______
Roaming
22MHz wide
Point-to-point link
Addresses wireless Quality of Service
42. 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
Carefully plan a strategy using WEP and VLANs
32 character maximum and is case sensitive
ERP-OFDM - DSSS
Open system and Shared key
43. This type of attack is used to stimulate large amounts of traffic on the network for statistical attacks on WEP
Arp replay
Personal mode and Enterprise Mode
Dictionary
1 -6 -11
44. How many non-overlapping channels are available in the unlicensed 2.4GHz ISM band?
WPA 2.0 personal and WPS
3
RC4
Bridge mode
45. The security amendment to the IEEE 802.11 standard requires ____
Arp replay
UNII
Master
CCMP
46. Management frames are sent in....
Plaintext
Fakeauth
AP to AP
ERP protection
47. A ______________ does not always use an omnidirectional antenna
Point-to-point link
WEP
ERP protection
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
48. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?
Other 802.11a devices
One or more
Enter a username and password that will be central administered
32
49. a beacon frame advertises information about the wireless network. A beacon frame is what type of frame?
ARP spoofing
Station (STA)
Management
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
50. Name two relative measures of power
3
DB and dBi
Antenna diversity
Management - control - data