Wireless Networking

Question 1

An omnidirectional antennae broadcasts in only one direction.

True
False

Answer 1

False

Question 2

What frequencies does 802.11n use?

2.4 and 5 GHz
11 and 54 MHz
5 and 24 GHz
2.4 and 11 MHz

Answer 2

2.4 and 5 GHz

Question 3

What wireless network mode can quickly be used to share files and printers without a WAP?

Ad hoc
Infrastructure
Multiple access
WAN

Answer 3

Ad hoc

Question 4

Which feature allows you to plug a single Ethernet cable into the WAP to provide both power and a network connection?

PoE
SID
ESSI
PoW

Answer 4

PoE

Question 5

What process needs to be undertaken to enable Bluetooth devices to create a secure connection?

Pairing
Duplicating
Searching
Finding

Answer 5

Pairing

Question 6

What method enables you to limit access to your wireless network based on the physical, hard-wired address of the units’ wireless NIC?

OFDM
MAC address filtering
SSID broadcasting
NTFS Permissions

Answer 6

MAC address filtering

Question 7

What is the first step in choosing an optimal location for an access point?

Software upgrades
Market research
Site survey
Interference control

Answer 7

Site survey

Question 8

What centrally connects wireless network nodes in the same way that a hub connects wired Ethernet PCs?

EAP
WAP
WEP
WPA

Answer 8

WAP

Question 9

What is the theoretical maximum range of the 802.11a wireless networking standard?

150 feet
200 feet
250 feet
300 feet

Answer 9

150 feet

Question 10

Where is the best location for an omni-directional antenna in your home or office?

On the roof
Adjacent to the outside wall
Near the center
In a basement

Answer 10

Near the center

Question 11

What should you open up to troubleshoot a suspected hardware problem?

BIOS
Windows Device Manager
Windows update
Task Manager

Answer 11

Windows Device Manager

Question 12

What WAP settings should be adjusted in an environment with overlapping Wi-Fi signals?

Channel and frequency
SSID and MAC filtering
Default user name and password
Encryption protocols

Answer 12

Channel and frequency

Question 13

At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?

2. 4 GHz
3. 4 GHz
4. 4 GHz
5. 4 GHz

Answer 13

2.4 GHz

Question 14

What method do wireless networks use to determine if other nodes are currently broadcasting?

CSMA/CD
CSMA/CA
Dipole antennae
MIMO

Answer 14

CSMA/CA

Question 15

What is the speed at which the 802.11g wireless technology transfers data?

11 Mbps
20 Mbps
54 Mbps
64 Mbps

Answer 15

54 Mbps

Question 16

Which standard has a security flaw that allows a hacker to guess an eight-digit code?

WPA
WEP
WPS
WPA2

Answer 16

WPS

Question 17

What wireless technology is often used to connect headsets to smartphones?

WPA-Enterprise
WPA-PSK
AES
Bluetooth

Answer 17

Bluetooth

Question 18

How many bits does WEP encryption use to scramble data packets?

20
30
40
50

Answer 18

40

Question 19

What is another name for the Service Set Identifier(SSID) parameter?

Network address
Network name
Network path
Network protocol

Answer 19

Network name

Question 20

Most WAPs support filtering, in which data packets that do not contain the appropriate address are rejected. What kind of address is filtered?

MAC
SSID
WEP
WPA

Answer 20

MAC

Question 21

At what frequency range does the 802.11ac-based wireless technology operate?

7 GHz
5 GHz
3 GHz
1 GHz

Answer 21

5 GHz