Lecture 2a

Question 2

What technology does Bluetooth use for communication?

Answer 2

Short-range radio frequency RF transmissions

Question 3

What is the primary Bluetooth network topology called?

Answer 3

Piconet

Question 4

In Bluetooth

Answer 4

who controls all wireless traffic in a piconet?

Question 5

What is Bluejacking?

Answer 5

An attack sending unwanted messages to Bluetooth-enabled devices

Question 6

Is Bluejacking harmful or annoying?

Answer 6

More annoying than harmful because no data is stolen

Question 7

What is Bluesnarfing?

Answer 7

An attack accessing unauthorized information from a Bluetooth device

Question 8

What happens during Bluesnarfing?

Answer 8

Attacker copies emails contacts or other data without owner knowing

Question 9

What is Near Field Communication NFC?

Answer 9

A set of standards for communication between devices in close proximity

Question 10

At what distance do NFC devices establish communication?

Answer 10

Within 4 centimeters or by tapping

Question 11

What is a passive NFC device?

Answer 11

Contains information that can be read but does not transmit data

Question 12

What is an active NFC device?

Answer 12

Can read and transmit information

Question 13

Name three examples of NFC use.

Answer 13

Automobile Entertainment Retail stores

Question 14

What is RFID commonly used for?

Answer 14

Transmitting information between badges inventory tags and other proximity tags

Question 15

Do RFID tags require their own power supply?

Answer 15

No most RFID tags are passive and do not have a power supply

Question 16

Name one RFID attack type.

Answer 16

Unauthorized tag access

Question 17

What can happen in an unauthorized tag access attack?

Answer 17

Rogue reader determines inventory on store shelf

Question 18

What is a fake tag attack in RFID?

Answer 18

Replacing authentic tags with fake ones containing false data

Question 19

What can eavesdropping on RFID communications lead to?

Answer 19

Leak of confidential data like purchase history to rivals

Question 20

What is a WLAN?

Answer 20

A wireless local area network designed to replace or supplement wired LAN

Question 21

What organization sets WLAN standards?

Answer 21

Institute of Electrical and Electronics Engineers IEEE

Question 22

When was the IEEE 802.11 standard first released?

Answer 22

1997

Question 23

What Wi-Fi version corresponds to IEEE 802.11n?

Answer 23

Wi-Fi 4

Question 24

What device acts as a base station and bridge in a WLAN?

Answer 24

Access Point AP

Question 25

What is a rogue access point?

Answer 25

An unauthorized AP set up to bypass network security

Question 26

What is an evil twin attack?

Answer 26

An attacker sets up a fake AP mimicking a legitimate AP

Question 27

What is RF jamming in WLAN attacks?

Answer 27

Intentional interference flooding the radio frequency spectrum to block communication

Question 28

What does MAC address filtering do?

Answer 28

Permits or blocks devices based on their MAC addresses

Question 29

What is a weakness of MAC address filtering?

Answer 29

MAC addresses are exchanged unencrypted and can be spoofed

Question 30

What protocol replaced WEP for wireless security?

Answer 30

Wi-Fi Protected Access WPA

Question 31

What are the two modes of WPA?

Answer 31

WPA Personal and WPA Enterprise

Question 32

What encryption protocol does WPA2 use?

Answer 32

AES-CCMP

Question 33

What standard provides port-based authentication in WPA2 Enterprise?

Answer 33

IEEE 802.1x

Question 34

What does EAP stand for?

Answer 34

Extensible Authentication Protocol

Question 35

Name two common EAP packet types.

Answer 35

Request and Response

Question 36

What technologies relate to specialized wireless communications?

Answer 36

Zigbee 5G Narrowband IoT Cellular IoT SIM card

Question 37

What is a key vulnerability of WEP?

Answer 37

Short initialization vector makes it easy to break

Question 38

What is Wi-Fi Protected Setup WPS?

Answer 38

An optional way to configure WLAN security using PIN or push-button

Question 39

What flaw exists in WPS PIN method?

Answer 39

No lockout limit and separate validation of PIN halves

Question 40

What is the function of an access point in WLAN?

Answer 40

To send and receive wireless signals and bridge to wired network

Question 41

What happens during a spoofing attack in WLAN?

Answer 41

Attacker sends frames pretending to come from a trusted client

Question 42

What is the impact of an attacker intercepting WLAN data?

Answer 42

They may gain significant information about the wired network

Question 43

Why are home wireless networks often vulnerable?

Answer 43

Users often fail to configure any security

Question 44

What are two main security goals of WPA2?

Answer 44

Encryption and authentication