33-37. TRUE or FALSE (DNS and DNSSEC) 33. DNS cache poisoning is done to assign

ID: 3829805 • Letter: 3

Question

33-37. TRUE or FALSE (DNS and DNSSEC)

33. DNS cache poisoning is done to assign incorrect MAC addresses to IP addresses

34. Randomizing query sequence numbers and UDP port numbers can also prevent cache poisoning attacks by internal attackers

35. DNS records are signed by operators of DNS servers

36. DNSSEC can not prevent DNS cache poisoning

37. DNSSEC relies on SSL to encrypt DNS queries and responses

38-41. TRUE or FALSE

38. Forward and Reverse signatures are both signed by certificate authorities

39. In PGP, the signature trust (ST) field is manually set

40. In SET, a signature for the order information and the signature for the payment information are hashed together

41. A secure envelope is created by encrypting a secret using the sender's private key

44-50. Select if the following sequence of network headers is CORRECT or INCORRECT

IP, UDP, SSL, DATA

IP, SSL, TCP, DATA

IP, AH, IP, TCP, SSL, DATA

802.11, 802.1x, EAP

802.11, 802.1x, EAP, IP, TCP, DATA

IP, TCP, SSL, IP, TCP, DATA

IP, ESP, UDP, DATA

Answer in bold.

33. DNS cache poisoning is done to assign incorrect MAC addresses to IP addresses. False, incorrect IP address is assigned

34. Randomizing query sequence numbers and UDP port numbers can also prevent cache poisoning attacks by internal attackers True

35. DNS records are signed by operators of DNS servers False

36. DNSSEC can not prevent DNS cache poisoning False

37. DNSSEC relies on SSL to encrypt DNS queries and responses False

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