SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. When an RF signal bounces off a smooth non absorptive surface - the behavior is
Client
Reflection
Mismatched SSID
AP to AP
2. What type of wireless network device is PIN-based security most commonly used with
Wavelength
SOHO brands that support WPS
Monitor
Access point
3. The extra overhead of RTS/CTS will cause a ___________ of maximum throughput on the network.
Authenticate - associate
2304 bytes
Degradation
WPA/WPA2
4. ___ is the latest standard in the mobile network technology tree that produced the GSM/EDGE and UMTS/HSPA network technologies
Security
LTE
Master
Service sets
5. These types of attacks are used to generate fake associated clients on an AP in order to enable injection attacks through the AP
Security
Obstacles
AP radio
Fake auth
6. in the 2.4GHz range - what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS
Mesh network
AES = CCMP required
Station (STA)
25 MHz
7. Which if the following organizations is responsible for standards compliance?
Dynamic Rate switching
40 bit
Wi-Fi Alliance
Carefully plan a strategy using WEP and VLANs
8. 802.11 uses CSMA/...
WPA 2.0 personal and WPS
CA - Collision avoidance
Semi directional and Highly directional
6 -12 - and 24 Mbps
9. In repeater mode - the repeater device connects to a normal '___ mode'
FHSS
Authenticate - associate
Root mode
Number of users and software applications in use
10. 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
WPA Enterprise -WEP -MAC filters
WPA 2.0 personal and WPS
Brute force - statistical and dictionary
Data rate increases
11. A ______________ does not always use an omnidirectional antenna
Point-to-point link
Three
Dynamic Rate switching
Repeater
12. 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.
Active mode
32 character maximum and is case sensitive
Bridge mode
SSID (service set identifier)
13. 802.11a uses which spread spectrum technology?
BSSID (Basic Service Set identifier)
40 bit
1
OFDM
14. Name 3 channels considered non overlapping in the 2.4GHZ band
14
0
1 -6 -11
Semi directional and Highly directional
15. 802.11g LAN operates in what frequency range?
Management - control - data
2.4-2.5GHz
802.11a
Diffraction
16. This is a topology in which two or more APs are connected by a common distribution system.
Watt and mW
Indoor and outdoor
Extended Service Set (ESS)
Plaintext
17. The capacity of an access point is dependent upon which factors?
Number of users and software applications in use
Know the SSID and enter it manually
Amplitude and phase
Height of an RF signal
18. In order to set up an ad hoc network a user must know which two parameters?
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
SSID and Channel
ERP-OFDM - DSSS
Three
19. How many non-overlapping channels are available in the unlicensed 2.4GHz ISM band?
32
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
3
FCC
20. Which data encryption.authentication method is identified in the IEEE 802.11 standard
WEP
802.11i
Active mode
Bridge mode
21. When an RF signal passes between mediums of different densities and may change speeds and bend - the behavior is...
802.11g
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.
Plaintext
Refraction
22. A ___ is end-user nodes such as desktop -laptop or PDA computers or any device that needs wireless connectivity into the wireless network infrastructure
Client
Mismatched SSID
64-bit - 128-bit
LTE
23. What type of certification came from 802.11i
Security
Spoof an address
Height of an RF signal
WPA2
24. Which process is a VPN solution intended to provide for users connection to a network
CTS attacks - Deauth attack - Association flood - Jamming
802.11g
Arp replay
Secure Layer 3 transmissions over a public network infrastructure
25. ___ mode provides a wireless 'upstream' connection for wireless clients - and is also known as a 'range extender'.
802.11r
SSID and Channel
Reflection
Repeater
26. What is the term defining the amount of times a cycle of an RF signal will oscillate in one second?
Walled Garden.
Frequency
Passve Scanning
802.11r
27. What is the gain of an antenna measured in
UNII
IPSec
Passive scan
DBi
28. What protocol am I? - 5.0GHz Freq - 54 Mbps Data rate - OFDM
802.11a
Other 802.11a devices
Deauth
ERP protection
29. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?
802.11i
40 bit
Enter a username and password that will be central administered
X.509 certificates on the subscriber side only.
30. A newly configured wireless intrusion prevention system will___
Automatically monitor the network for attacks
Two
802.11w
Trojan/Rogue APs
31. Hiding the service set identifier of a wireless LAN will require a user to ____ in order to gain access to the wireless network
HT fixed mode
Know the SSID and enter it manually
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Arp
32. Collisions are detected through the use of....
Acknowledgement frames
CTS attacks - Deauth attack - Association flood - Jamming
4 channels
Passve Scanning
33. how many channels are available for wireless LAN use in the unlicensed 2.4GHz ISM band?
64-bit - 128-bit
Extended Service Set (ESS)
14
1 - 5.5 and 11 Mbps
34. 802.11b is capable of which data rates?
FCC
Data rate increases
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
1 - 5.5 and 11 Mbps
35. 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
CCMP
Walled Garden.
Interference from a neighboring access point RF denial-of-service (Dos) attack
802.11i
36. Wireless gateways come in two primary forms...
Passphrase
2.4-2.5GHz
Residential and Enterprise
14
37. Layer 2 Tunneling Protocol commonly uses which encryption method?
Unicast
SOHO brands that support WPS
IPSec
Wireless Game adapters and Media Bridges
38. Aireplay-ng -3
Wi-Fi Alliance
Arp
Roaming
Greenfield mode
39. WI-Fi Protected Setup was designed for which of the following wireless applications?
Management
Greenfield mode
Small Office/Home Office Organizations (SOHO)
Point-to-point link
40. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
0
Independent
Service sets
32 character maximum and is case sensitive
41. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.
IPSec
1 - 5.5 and 11 Mbps
Other 802.11a devices
Dual radio APs
42. A pre-shared key mode may be vulnerable to a ____ attack
Dictionary
Fake auth
Secure Layer 3 transmissions over a public network infrastructure
RC4
43. Which security feature provides the strongest security for a home-based wireless network?
14
Passphrase
Arp
Reflection
44. This is typically the 48-bit MAC address of the access point's radio card.
1
Passphrase
BSSID (Basic Service Set identifier)
WPA 2.0 personal and WPS
45. Two authentication types defined in the 802.11 standard
ARP spoofing
Open system and Shared key
4 channels
Authentication
46. Which items are unique to a service set identifier
Monitor
32 character maximum and is case sensitive
Trojan/Rogue APs
Mismatched SSID
47. WiMAX 802.16 authentication is based on...
802.11b
Restricts access to authorized users
X.509 certificates on the subscriber side only.
Repeater
48. ___ are used to describe the basic components and topology of a WLAN
Point-to-point link
A VPN to the office network
Single radio AP's
Service sets
49. What protocol am I? - 2.4 GHz freq - 54 Mbps Data Rate - OFDM W/ DSSS backup
Root mode - Bridge mode - Workgroup Bridge mode - Workgroup Bridge mode - Repeater Mode - Mesh Mode - Scanner Mode.
3
802.11g
Plaintext
50. When a wireless LAN device listens for beacon frames - it is participating in which phase?
TKIP - optional RC4
CA - Collision avoidance
Passve Scanning
Wavelength