Deck 11: Hacking Wireless Networks

Question 1

The ____ band is used by commercial AM radio stations.

A)extremely low frequency (ELF)
B)very low frequency (VLF)
C)medium frequency (MF)
D)high frequency (HF)

Answer 1

C

Question 2

One of the default SSIDs used by D-Link is ____.

A)Tsunami
B)Wireless
C)default
D)linksys

Answer 2

C

Question 3

CSMA/CD is used at the data link layer on wireless networks.

Answer 3

False

Question 4

Wireless routers are designed so that they do not interfere with wireless telephones.

Question 5

A(n) ____ is a transceiver that connects to a network via an Ethernet cable; it bridges the wireless LAN with the wired network.

A)wireless network interface card (WNIC)
B)switch
C)router
D)access point (AP)

Question 6

The ____ standard, also referred to as Wi-Fi, operates in the 2.4 GHz range with an increased throughput from 1 or 2 Mbps to 11 Mbps.

A)802.11a
B)802.11b
C)802.11e
D)802.11g

Question 7

Each frequency band contains ____; if they overlap, interference could occur.

A)SSIDs
B)guard bands
C)cycles
D)channels

Question 8

One of the default SSIDs used by Linksys is ____.

A)Tsunami
B)WLAN
C)default
D)linksys

Question 9

In 802.11, an addressable unit is called a ____.

A)host
B)Data Terminal Equipment (DTE)
C)station (STA)
D)wireless NIC (WNIC)

Question 10

The 802.11 standard applies to the Physical layer of the OSI model, which deals with wireless connectivity issues of fixed, portable, and moving stations in a local area, and the Media Access Control (MAC) sublayer of the ____.

A)Network Link layer
B)Data Link layer
C)transport layer
D)session layer

Question 11

____ defines how data is placed on a carrier signal.

A)Modulation
B)Multiplexing
C)Digitization
D)Adaptation

Question 12

There are measures for preventing radio waves from leaving or entering a building so that wireless technology can be used only by people located in the facility.

Question 13

The default SSID used by Cisco is ____.

A)Tsunami
B)WLAN
C)default
D)linksys

Question 14

It's possible to have a wireless network that doesn't connect to a wired network.

Question 15

In a WPAN, the maximum distance allowed between each device is usually ____ meters.

A)5
B)10
C)15
D)20

Question 16

The 802.11b standard introduced Wired Equivalent Privacy (WEP), which gave many users a false sense of security that data traversing the WLAN was protected.

Question 17

The ____ standard has improvements to address the problem of interference.

A)802.11a
B)802.11b
C)802.11e
D)802.11g

Question 18

____ Project 802 was developed to create LAN and WAN standards.

A)IEEE
B)EIA/TIA
C)ISO
D)ITU-T

Question 19

The ____ standard can achieve a throughput of 54 Mbps.

A)802.11b
B)802.11e
C)802.11g
D)802.11i

Question 20

____ is the most popular type of WLAN technology.

A)Infrared (IR)
B)Narrowband
C)Spread spectrum
D)Microwave

Question 21

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
data is spread across a large-frequency bandwidth instead of traveling across just one frequency band

Question 22

WEP stands for _________________________.

Question 23

____ uses TLS to authenticate the server to the client but not the client to the server.

A)PPP
B)EAP
C)EAP-TLS
D)PEAP

Question 24

____ is a product for conducting wardriving attacks written by Mike Kershaw. This product is free and runs on Linux, BSD, Mac OS X, and even Linux PDAs.

A)NetStumbler
B)Kismet
C)Wardriver
D)AirSnort

Question 25

The first wireless technology standard, ____________________, defined the specifications for wireless connectivity at 1 Mbps and 2 Mbps in a LAN.

Question 26

In 802.1X, a(n) ____ is the wireless user attempting access to a WLAN.

A)host
B)supplicant
C)authenticator
D)authentication server

Question 27

A(n) ______________________________ is the name used to identify the wireless local area network (WLAN), much the same way a workgroup is used on a Windows network.

Question 28

WPA improves encryption by using ____.

A)WEP
B)TKIP
C)802.1X
D)RADIUS

Question 29

______________________________ is specified in the 802.11i standard and corrected many security vulnerabilities in 802.11b.

Question 30

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
this technology is restricted to a single room or line of sight

Question 31

____ is an enhancement to PPP.

A)EAP
B)WEP
C)WPA
D)802.1X

Question 32

____ is a freeware tool written for Windows that enables you to detect WLANs using 802.11a, 802.11b, and 802.11g.

A)NetStumbler
B)Kismet
C)Wardriver
D)AirSnort

Question 33

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
uses GFSK modulation

Question 34

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
uses microwave radio band frequencies to transmit data

Question 35

____ is the tool most hackers wanting to access WEP-enabled WLANs use.

A)NetStumbler
B)Kismet
C)Wardriver
D)AirCrack NG

Question 36

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
European WLAN standard

Question 37

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
addresses the issue of wireless metropolitan area networks (MANs)

Question 38

In the 802.11 standard, a mobile station is defined as a station that accesses the LAN while moving; a(n) ____________________ station is one that can move from location to location, but is used only while in a fixed location.

Question 39

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
uses DSSS modulation

Question 40

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
addresses wireless MANs for mobile users who are sitting in trains, subways, or cars

Question 41

What is the role of a WNIC?

Question 42

What is wardriving?

Question 43

What is a certificate?

Question 44

What is the function of a WG of the IEEE?

Question 45

What is frequency-hopping spread spectrum (FHSS)?

Question 46

In 802.1X, what is an authentication server?

Question 47

What is the IEEE 802.15 standard?

Question 48

What is PPP?

Question 49

What is a basic service set (BSS)?

Question 50

What is WEP? Is it a good way to secure wireless networks?

Question 51

What are the basic components of a wireless network?

Question 52

MATCHING
Match each term with the correct statement below.
a.802.16
f.infrared (IR)
b.spread spectrum
g.802.1X
c.802.11b
h.Bluetooth
d.narrowband
i.HiperLAN2
e.802.20
defines the process of authenticating and authorizing users on a network