CompTIA Security+ Certification Questions

What does a digital signature verify in an email?

• Encryption

• Authentication

• Confidentiality

• Integrity

In asymmetric encryption, which key is used to encrypt the data?

• Public key

• Private key

• Symmetric key

• Hashing key

What is the primary purpose of a Public Key Infrastructure (PKI)?

• Secure email communication

• Digital signatures and certificates management

• Secure network authentication

• Encrypting data at rest

Which of the following encryption methods uses both asymmetric and symmetric encryption?

Which of the following is the purpose of hashing in digital signatures?

• Encrypt the message content

• Verify the integrity of the message

• Create a public/private key pair

• Authenticate the sender's identity

Which of the following is a benefit of implementing a mandatory vacation policy?

• Prevents unauthorized data access

• Detects fraudulent activity or misconduct

• Reduces the need for encryption

• Ensures network uptime

Which policy helps to ensure that employees understand the organization's rules for using resources?

• Acceptable Use Policy

• Data Retention Policy

• Incident Response Policy

• Change Management Policy

Which of the following is an example of an asymmetric encryption algorithm?

• AES

• RSA

• DES

• Blowfish

What type of certificate allows an organization to secure multiple subdomains under a single certificate?

• Wildcard certificate

• Extended Validation certificate

• Self-signed certificate

• Domain Validation certificate

In a symmetric encryption system, what key is used for both encryption and decryption?

• Public key

• Private key

• Secret key

• Session key