Question 1

1) In the TJX breach, attackers first got into the network through ________. A) spear phishing B) an inside conspirator C) the use of weak wireless encryption D) all of the above

Accepted Answer

C

Question 2

2) Wireless LAN standards come from ________. A) OSI B) TCP/IP C) both A and B D) neither A nor B

Accepted Answer

A

Question 3

3) To drive around a city looking for working access points that are unprotected is ________. A) drive-by hacking B) war driving

Accepted Answer

B

Question 4

4) Breaking into WLANs from outside the premises is ________. A) drive-by hacking B) war driving

Accepted Answer

A

Question 5

5) 802.11i provides ________. A) confidentiality B) message integrity C) both A and B D) neither A nor B

Accepted Answer

C

Question 6

6) In 802.11i, protection is provided between the client and the ________. A) access point B) switch C) router D) server

Accepted Answer

A

Question 7

7) Which 802 working group created 802.11i? A) 802.1 B) 802.3 C) 802.11 D) It was not an 802 working group. It was the Wi-Fi Alliance

Accepted Answer

C

Question 8

8) Which offers stronger security? A) WPA B) 802.11i C) Both A and B offer equally strong security.

Accepted Answer

B

Question 9

9) What is the strongest security protocol for 802.11 today? A) 802.11i B) 802.11s C) 802.11X D) WPA

Accepted Answer

A

Question 10

10) In what mode of 802.11i operation is a central authentication server used? A) 802.1X mode B) PSK mode C) both A and B D) neither A nor B

Accepted Answer

A

Question 11

11) In 802.11i ________, hosts must know a shared initial key. A) 802.1X mode B) PSK mode C) both A and B D) neither A nor B

Accepted Answer

B

Question 12

12) After authentication in 80.11i PSK mode, a wireless client communicates with the access point via a(n) ________ key. A) VPN B) session C) 802.1X D) preshared

Accepted Answer

B

Question 13

13) After two wireless clients authenticate themselves via PSK to an access point, they will use ________ to communicate with the access point. A) the preshared key B) an 802.1X key C) WPS keys D) different session keys

Accepted Answer

D

Question 14

14) For post-authentication communication with an access point, the client in 802.11i PSK mode will ________ for subsequent communication. A) always use the same preshared key each time it is connected B) always use the same session key each time it is connected C) both A and B D) neither A nor B

Accepted Answer

D

Question 15

15) Session keys are used to ________. A) make cryptanalysis more difficult B) improve authentication C) both A and B D) neither A nor B

Accepted Answer

A

Question 16

16) Which of the following is a risk in 802.11i PSK mode? A) WPS can easily be cracked if it is used. B) Unauthorized sharing of the pre-shared key. C) A weak passphrase may be selected. D) all of the above

Accepted Answer

D

Question 17

17) In 802.11i PSK mode, the pass phrase should be at least ________ characters long. A) 8 B) 12 C) 20 D) 128

Accepted Answer

C

Question 18

18) Part of WPS weakness is caused by ________. A) 802.1X mode B) WPA2 preshared key mode C) dividing the 8 digit PIN into two 4 digit halves D) IPsec

Accepted Answer

C

Question 19

19) Which of the following has a dangerous vulnerability that is causing problems today? A) PEAP B) 802.11i C) WPA D) WPS

Accepted Answer

D

Question 20

20) If a firm has many access points, it should use ________ mode in 802.11i. A) PSK B) 802.1X C) IPsec D) PEAP

Accepted Answer

B

Question 21

21) The Wi-Fi Alliance calls 802.1X mode ________ mode. A) enterprise B) personal C) WEP D) WPA

Accepted Answer

A

Question 22

22) In ________, the authenticator is the ________. A) 802.1X, wireless access point B) 802.11i, switch C) 802.11i, wireless access point D) 802.1X, central authentication server

Accepted Answer

C

Question 23

23) 802.1X requires security between the supplicant and the authenticator in ________. A) Ethernet B) 802.11 C) both A and B D) neither A nor B

Accepted Answer

B

Question 24

24) An unauthorized internal access point is a(n) ________ access point. A) evil twin B) rogue C) shadow D) counterfeit

Accepted Answer

B

Question 25

25) A rogue access point is created by ________. A) an employee B) an external attacker C) the IT security department D) an evil twin

Accepted Answer

A

Question 26

26) A rogue access point ________. A) is an unauthorized internal access point B) often has very poor security C) often operates at high power D) All of the above are true.

Accepted Answer

D

Question 27

27) A notebook computer configured to act like a real access point is a(n) ________. A) evil twin access point B) rogue access point

Accepted Answer

A

Question 28

28) Which of the following is usually set up by a hacker outside the building? A) a rogue access point B) an evil twin access point C) both A and B D) neither A nor B

Accepted Answer

B

Question 29

29) If a company uses 802.11i for its core security protocol, an evil twin access point will set up ________ 802.11i connection(s). A) one B) two C) four D) 16

Accepted Answer

B

Question 30

30) Which of the following secures communication between the wireless computer and the server it wishes to use against evil twin attacks? A) VLANs B) VPNs C) PEAP D) 802.1X mode

Accepted Answer

B

Question 31

31) In VPNs designed to frustrate evil twin attacks, the shared secret ________. A) is transmitted in the clear B) is transmitted with cryptographic protections C) is not transmitted D) Any of the above.

Accepted Answer

C

Question 32

32) Centralized access point management ________. A) increases management costs but provides better control B) reduces management costs

Accepted Answer

B

Question 33

33) Managed access points should ________. A) allow access point power to be adjusted remotely B) provide constant transmission quality monitoring C) both A and B D) neither A nor B

Accepted Answer

C

Question 34

34) Managed access points should ________. A) identify rogue access points B) be able to push updates out to access points C) both A and B D) neither A nor B

Accepted Answer

C

Question 35

35) Which is the correct formula for decibels? A) 10 * P2/P1 B) 10 * (P2/P1)2 C) Log10(P2/P1) D) none of the above

Accepted Answer

D

Question 36

36) An 8/1 increase in power corresponds to approximately ________ decibels. A) 3 B) 6 C) 20 D) none of the above

Accepted Answer

D

Question 37

37) A power ratio of 8/1 decrease in power corresponds to approximately ________ decibels. A) 3 B) 6 C) 9 D) none of the above

Accepted Answer

C

Question 38

38) A 100/1 increase in power corresponds to approximately ________ decibels. A) 6 B) 10 C) 20 D) none of the above

Accepted Answer

C

Question 39

39) 1 Watt represents a dBm value of about ________. A) 10 B) 20 C) 30 D) We cannot say because only one power is given.

Accepted Answer

C

Question 40

40) A radio that has a power of 8 mW represents a ratio of about ________ dBm. A) 2 B) 8 C) 9 D) 10

Accepted Answer

C

Question 41

41) I wish to have a wireless LAN to serve my house. I will use ________. A) 802.11 B) Bluetooth C) either A or B

Accepted Answer

A

Question 42

42) Bluetooth is for ________. A) large WLANs B) cable replacement C) both A and B D) neither A nor B

Accepted Answer

B

Question 43

43) Which of the following was created for PANs? A) 802.11 B) Bluetooth C) both A and B D) neither A nor B

Accepted Answer

B

Question 44

44) Bluetooth is standardized by the ________. A) 802.11 Working Group B) Wi-Fi Alliance C) Bluetooth Special Interest Group D) none of the above

Accepted Answer

C

Question 45

45) Which form of Bluetooth has a typical transmission speed of less than 3 Mbps? A) classic Bluetooth B) high-speed Bluetooth C) personal Bluetooth D) none of the above

Accepted Answer

A

Question 46

46) Which form of Bluetooth has a typical transmission speed of about 24 Mbps? A) classic Bluetooth B) high-speed Bluetooth C) enterprise Bluetooth D) none of the above

Accepted Answer

B

Question 47

47) Which of the following can use access points? A) 802.11 B) Bluetooth C) both A and B D) neither A nor B

Accepted Answer

A

Question 48

48) In Bluetooth, a master can have up to ________ slaves at any moment. A) 1 B) 3 C) 12 D) none of the above

Accepted Answer

D

Question 49

49) At the beginning of a telephone call placed through a Bluetooth headset with the Hands-Free Profile, which device is initially the master? A) the Bluetooth phone B) the Bluetooth headset C) Both are simultaneously masters and slaves.

Accepted Answer

B

Question 50

50) Which Bluetooth profile would a desktop use with a Bluetooth keyboard? A) Bluetooth input profile B) Bluetooth I/O profile C) human interface device profile D) none of the above

Accepted Answer

C

Question 51

51) Near-field communication has a maximum transmission distance of about ________. A) 400 cm/200 in B) 40 cm/20 in C) 4 cm/2 in D) The devices must be physically touching.

Accepted Answer

C

Question 52

52) In which frequency band does NFC operate? A) 2.4 GHz B) 5 GHz C) both A and B D) neither A nor B

Accepted Answer

D

Question 53

53) Passive RFID chips are powered by ________. A) a battery B) the sun C) body temperature D) none of the above

Accepted Answer

D

Question 54

54) Passive RFID chips are powered by ________. A) a battery B) the sun C) body temperature D) the scanning unit

Accepted Answer

D

Question 55

55) Which of the following uses an access point? A) traditional Wi-Fi B) Wi-Fi Direct C) both A and B D) neither A nor B

Accepted Answer

A

Chapter 7 test 2 – Flashcards

Unlock all answers in this set

Haven't found what you were looking for?

Search for samples, answers to your questions and flashcards