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. _____ are multifunctional devices which are combined with an AP to provide wireless connectivity
Wireless gateways
4 channels
Dual radio APs
32 character maximum and is case sensitive
2. Give two examples of WGB devices.
Wi-Fi Alliance
Wireless Game adapters and Media Bridges
Passphrase
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
3. What is the gain of an antenna measured in
Dynamic Rate switching
DBi
Three
Spoof an address
4. Wireless LAN devices in an 802.11a peer-to-peer network will connect to which devices?
Interoperability testing organization
Secure Layer 3 transmissions over a public network infrastructure
Monitor
Other 802.11a devices
5. What item has an effect on RF line of site?
7
Obstacles
A VPN to the office network
1
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
HT fixed mode
25 MHz
Wavelength
One or more
7. ___ is the latest standard in the mobile network technology tree that produced the GSM/EDGE and UMTS/HSPA network technologies
Arp replay
Point-to-point link
Extended Service Set (ESS)
LTE
8. Which two options are for Wi-Fi Protected Access 2 (WPA 2.0)?
Unicast
Personal mode and Enterprise Mode
WEP
Enter a username and password that will be central administered
9. Which items are unique to a service set identifier
32 character maximum and is case sensitive
ERP protection
Deauth
Wireless Game adapters and Media Bridges
10. 802.11b is capable of which data rates?
Semi directional and Highly directional
Open system and Shared key
1 - 5.5 and 11 Mbps
Station (STA)
11. Which security feature provides the strongest security for a home-based wireless network?
Automatically monitor the network for attacks
Point-to-point link
Addresses wireless Quality of Service
Passphrase
12. What kind of Algorithm does WPA2 use?
Watt and mW
AES = CCMP required
Two
OFDM
13. What type of wireless network device is PIN-based security most commonly used with
SOHO brands that support WPS
Residential and Enterprise
Station (STA)
802.11n
14. What protocol am I? - 2.4 GHz freq - 54 Mbps Data Rate - OFDM W/ DSSS backup
802.11g
A VPN to the office network
CA - Collision avoidance
7
15. Wireless gateways come in two primary forms...
Passphrase
Three
Residential and Enterprise
Indoor and outdoor
16. Layer 2 Tunneling Protocol commonly uses which encryption method?
Wireless Game adapters and Media Bridges
Mismatched SSID
TKIP - optional RC4
IPSec
17. 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
Interference from a neighboring access point RF denial-of-service (Dos) attack
Open system
Residential and Enterprise
64-bit - 128-bit
18. Both ___ and ___ are wireless LAN security methods that support shared key security.
WPA2 -WEP
OFDM
RC4
WPA Enterprise -WEP -MAC filters
19. Aireplay-ng -3
Arp
A VPN to the office network
802.11i
Frequency
20. When an IEEE 802.11g wireless LAN consists only of wireless client stations - the network is operating as what type of basic service set?
A VPN to the office network
WPA Enterprise -WEP -MAC filters
1 -6 -11
Independent
21. 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.
Bridge mode
Passive scan
Roaming
802.11r
22. Beacons allow client devices to ____ for available LANS
A VPN to the office network
Carefully plan a strategy using WEP and VLANs
Passive scan
SSID and Channel
23. Name two absolute measures of RF power
Walled Garden.
Watt and mW
FHSS
TKIP - optional RC4
24. Typically a point-to-multipoint link consists of ____ connections
Three
40 bit
802.11i
Greenfield mode
25. These are user configurable and present in only five 802.11 frame types...
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Open system
OFDM
25 MHz
26. This sets the card to participate in an independent basic service set
Watt and mW
Carefully plan a strategy using WEP and VLANs
25 MHz
Ad-Hoc
27. The radio card can operate in one of up to six possible modes of operation...
Passphrase
Management
Unencrypted
Managed - Master - Monitor - Mesh - Ad-hoc - Repeater
28. Which function does RBAC provide?
Dictionary
SSID (service set identifier)
Access point
Restricts access to authorized users
29. 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?
Antenna diversity
Dynamic Rate switching
WPA/WPA2
6 -12 - and 24 Mbps
30. 802.11w can only be used in networks using_____
DB and dBi
PIN
Enter a username and password that will be central administered
WPA/WPA2
31. The ___ acts as a hub for the WLAN; wireless frame pass through this device
Trojan/Rogue APs
Access point
6 -12 - and 24 Mbps
1 - 5.5 and 11 Mbps
32. Which security methods do 802.11g access points support?
Dictionary
WPA Enterprise -WEP -MAC filters
Service sets
FCC
33. What is the term defining the amount of times a cycle of an RF signal will oscillate in one second?
Passphrase
Frequency
Addresses wireless Quality of Service
1 - 5.5 and 11 Mbps
34. A station can act as a routing node in a wireless mesh network
ERP-OFDM - DSSS
Mesh network
Mesh
RC4
35. This is a network name used to identify an 802.11 WLAN. It May be up to 32 characters and is case sensitive.
Deauth
64-bit - 128-bit
SSID (service set identifier)
Unencrypted
36. Probe requests are used by clients as part of the ____ process
1 -6 -11
Active scanning
ISM
BSSID (Basic Service Set identifier)
37. An Ack is expected for every____ frame transmitted
HT Non member protection mode
Obstacles
Unicast
Extended Service Set (ESS)
38. This is typically the 48-bit MAC address of the access point's radio card.
LTE
Semi directional and Highly directional
Secure Layer 3 transmissions over a public network infrastructure
BSSID (Basic Service Set identifier)
39. The extra overhead of RTS/CTS will cause a ___________ of maximum throughput on the network.
Trojan/Rogue APs
Beacons - Probe request - Probe response - Association Request - Reassociation Request
Fake auth
Degradation
40. 3 types of antennas
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
Walled Garden.
2.4-2.5GHz
Refraction
41. 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
Small Office/Home Office Organizations (SOHO)
Reflection
WPA 2.0 personal and WPS
Degradation
42. This is implemented in networks to minimize the effects of excessive collisions in mixed 802.11b and 802.11g networks
11
RTS/CTS
Mesh network
Basic Service Set (BSS)
43. WI-Fi Protected Setup was designed for which of the following wireless applications?
WPA/WPA2
Fake auth
0
Small Office/Home Office Organizations (SOHO)
44. in the 802.11a amendment - the UNII-3 band can be used for which WLAN applications?
Independent
Ad-Hoc
Indoor and outdoor
Greenfield mode
45. 802.11a uses which spread spectrum technology?
OFDM
SOHO brands that support WPS
A VPN to the office network
Wireless Game adapters and Media Bridges
46. You are a technical support engineer and provide help desk support for the network in a manufacturing company. You receive a call from the sales manager - who wants to know how power save operations should be set up on her notebook computer to optimi
Secure Layer 3 transmissions over a public network infrastructure
802.11g
Active mode
Brute force - statistical and dictionary
47. In this mode a station can act as a relay or WLAN range extender
SSID (service set identifier)
Active mode
Single radio AP's
Repeater
48. In order for a wireless client to become completely part of the basic service set it must first ___ then ___
Mesh
802.11g
Authenticate - associate
RTS/CTS
49. ___ are used to describe the basic components and topology of a WLAN
RC4
Wavelength
Service sets
Highly directional= Parabolic = 3-15 degrees - Omnidirectional= Rubber duck = 360 degrees - Semidirectional= Panel = 180 degrees
50. The association process happens after which phase?
Greenfield mode
Fakeauth
Station (STA)
Authentication