WGU INTRODUCTION TO
CRYPTOGRAPHY C839 EC COUNCIL
CES 2026 SECURITY SCRIPT SOLVED
QUESTIONS VERIFIED ANSWERS A+
◉ A security analyst is validating the integrity and authenticity of a data
transaction.Which PKI component is being used? Answer: Digital
signature
◉ Which PKI component generates digital certificates? Answer:
Certificate authority (CA)
◉ What is the maximum length (in bits) of encryption keys used by the
WEP protocol? Answer: 40
◉ Which default port must be open for the IPsec key exchange to be
successful? Answer: UDP 500
◉ Which protocol indicates the virtual private network (VPN) is using
Authentication Header (AH)? Answer: 51
◉ Which mode of block encryption results in the same outcome for
matching blocks of a plaintext message? Answer: Electronic Code Book
(ECB)
CRYPTOGRAPHY C839 EC COUNCIL
CES 2026 SECURITY SCRIPT SOLVED
QUESTIONS VERIFIED ANSWERS A+
◉ A security analyst is validating the integrity and authenticity of a data
transaction.Which PKI component is being used? Answer: Digital
signature
◉ Which PKI component generates digital certificates? Answer:
Certificate authority (CA)
◉ What is the maximum length (in bits) of encryption keys used by the
WEP protocol? Answer: 40
◉ Which default port must be open for the IPsec key exchange to be
successful? Answer: UDP 500
◉ Which protocol indicates the virtual private network (VPN) is using
Authentication Header (AH)? Answer: 51
◉ Which mode of block encryption results in the same outcome for
matching blocks of a plaintext message? Answer: Electronic Code Book
(ECB)