Crypto

Question 1

This is an Insecure block cypher

Answer 1

ECB

Question 2

How does EAP-FAST provide authentication?

Answer 2

Protected Access Credentials (PAC)

Question 3

WPA2 uses what to encrypt data?

Answer 3

AES

Question 4

The necessary technology for real WPA is

Answer 4

802.1x, EAP. TKIP

Question 5

Which EAP method is one way authentication only?

Answer 5

EAP-MD5

Question 6

The PRIMARY advantage of using symmetric key encryption systems compared to public key systems?

Answer 6

Fast encryptions

Question 7

Effective key size of Des?

Answer 7

56 bits

Question 8

What algorithm is found to be suitable for both digital signature and encryption?

Answer 8

RSA

Question 9

Does RSA use symmetric encryption?

Answer 9

No

Question 10

Which encryption standard is used in WEP?

Answer 10

RC4

Question 11

Tom wants to use WPA2 CCMP. In this case, which of these encryption methods is he using?

Answer 11

AES

Question 12

What encryption standard does WEP use for confidentiality?

Answer 12

RC4

Question 13

802.11i was implemented as WPA2. True or false?

Answer 13

True

Question 14

What is the maximum length for MD5 input/output?

Answer 14

32

Question 15

The hash value produced by MD5 is

Answer 15

128

Question 16

Which of the following EAP variants is supported in current versions of Windows?

Answer 16

EAP-TLS, PEAP

Question 17

Which feature makes WPA easy to defeat?

Answer 17

PSK

Question 18

WPA2 uses AES for data encryption. What level or strength encryption does it use?

Answer 18

128 bit CCMP