networking questions help.?

1. (TCO 2) Signal loss due to an object in the path causing the wave to bend is known as _____.

diffraction

reflection

refraction

defraction

2. A 10 dB gain to a 33 mW signal results in _____.

43 mW

3,300 mW

330 mW

330 W

3. An antenna is used to _____.

amplify electric current

amplify signals

convert radio waves to electromagnetic waves

convert between electrical current and radio waves

4. Remote wireless bridges _____.

are only used inside buildings

use omnidirectional antennas to spread the transmission signals

only operate in point-to-point mode

transmit at a higher power level

5. The IEEE 802.16 standard uses _____ for its access method.

a combination of CSMA/CA and CSMA/CD

only CSMA/CA

a time-slot scheduling system

only CSMA/CD

6. Which would provide the most interference to your wireless signal?

Human body

Glass

Plaster

Wood

7. The maximum size for a WEP-shared secret key is _____.

40 bits

104 bits

16 bits

None of the above

8. Access point filtering usually blocks traffic at the lowest level, which is based on the type of _____.

frame

package

port

protocol

9. In mobile IP, the _____ uses a subnet map to keep track of the home agent information for all visiting client devices.

router

authoritative access point (AAP)

Layer 3 switch

None of the above

10. The following factors can affect system throughput in the wireless segment except for _____.

types of RF interference

access point processor speed

packet size

All affect system throughput.

11. After the security flaws in WEP were publicized, the IEEE TGi task group released a new proposed implementation known as which?

WPA

AES

TKIP

WEP2

12. Which is not a location in which businesses install wireless networks for increased employee productivity?

Remote parking lots

Lunchrooms

Common areas

Lobbies

13. IrDA devices connect to which type of network?

WWAN

WLAN

WPAN

WCAN

14. _____ is a group of wireless devices that is served by a single access point (AP).

Basic service set

Ad hoc mode

Extended service set

None of the above