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Welcome to the Cloud Security Mechanisms MCQs Page

Dive deep into the fascinating world of Cloud Security Mechanisms with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Cloud Security Mechanisms, a crucial aspect of Cloud Computing. In this section, you will encounter a diverse range of MCQs that cover various aspects of Cloud Security Mechanisms, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Cloud Computing.

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Check out the MCQs below to embark on an enriching journey through Cloud Security Mechanisms. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Cloud Computing.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Cloud Security Mechanisms. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Cloud Security Mechanisms MCQs | Page 3 of 5

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Q21.
What is the purpose of a message digest in hashing?

a.

To lock the message and prevent further access.

b.

To compress the message for storage.

c.

To authenticate and verify the integrity of the message.

d.

To encrypt the message for transmission.

Discuss
Answer: (c).To authenticate and verify the integrity of the message. Explanation:The purpose of a message digest in hashing is to authenticate and verify the integrity of the message.
Q22.
How does the hashing mechanism detect tampering with data?

a.

By encrypting the data with a private key.

b.

By producing a different message digest.

c.

By compressing the data.

d.

By generating a random key.

Discuss
Answer: (b).By producing a different message digest. Explanation:The hashing mechanism detects tampering by producing a different message digest when the original data is altered.
Q23.
What security threats can the digital signature mechanism help mitigate?

a.

Data corruption and system crashes.

b.

Physical theft of hardware.

c.

Unauthorized access to network resources.

d.

Insufficient authorization and overlapping trust boundaries.

Discuss
Answer: (d).Insufficient authorization and overlapping trust boundaries. Explanation:The digital signature mechanism helps mitigate insufficient authorization and overlapping trust boundaries security threats.
Q24.
How does the digital signature mechanism provide non-repudiation?

a.

By encrypting the message with a private key.

b.

By producing a message digest from the original message.

c.

By attaching a digital signature to the message.

d.

By decrypting the message with a public key.

Discuss
Answer: (c).By attaching a digital signature to the message. Explanation:The digital signature mechanism provides non-repudiation by attaching a digital signature to the message, rendering it invalid if unauthorized modifications occur.
Q25.
What is the primary purpose of the Public Key Infrastructure (PKI) mechanism?

a.

To manage symmetric encryption.

b.

To secure data transmission.

c.

To generate digital signatures.

d.

To securely use public key cryptography and manage keys.

Discuss
Answer: (d).To securely use public key cryptography and manage keys. Explanation:The primary purpose of the Public Key Infrastructure (PKI) mechanism is to securely use public key cryptography and manage keys through protocols, data formats, rules, and practices.
Q26.
What is the role of digital certificates in PKIs?

a.

They encrypt messages.

b.

They generate encryption keys.

c.

They bind public keys to certificate owner identities.

d.

They create validity periods for certificates.

Discuss
Answer: (c).They bind public keys to certificate owner identities. Explanation:Digital certificates in PKIs bind public keys to certificate owner identities and include related information such as validity periods.
Q27.
How are digital certificates typically verified for validity?

a.

By a third-party certificate authority ( CA )

b.

By encrypting the certificate data

c.

By attaching a digital signature to the certificate

d.

By using symmetric encryption

Discuss
Answer: (a).By a third-party certificate authority ( CA ) Explanation:Digital certificates are typically verified for validity by a third-party certificate authority (CA).
Q28.
Who usually issues digital certificates in a PKI?

a.

The sender of the encrypted message.

b.

The certificate recipient.

c.

Trusted certificate authorities (CAs).

d.

Encryption software providers.

Discuss
Answer: (c).Trusted certificate authorities (CAs). Explanation:Trusted certificate authorities (CAs) usually issue digital certificates in a PKI.
Q29.
What is the purpose of digitally signing digital certificates?

a.

To encrypt the certificates.

b.

To bind public keys to certificate owner identities.

c.

To create validity periods for certificates.

d.

To verify key ownership and certificate validity.

Discuss
Answer: (d).To verify key ownership and certificate validity. Explanation:Digitally signing digital certificates helps verify key ownership and certificate validity.
Q30.
What is the benefit of larger organizations acting as their own Certificate Authorities (CAs)?

a.

They issue certificates only to trusted parties

b.

They eliminate the need for digital certificates

c.

They ensure symmetric encryption

d.

They centralize key management for their clients and the public

Discuss
Answer: (d).They centralize key management for their clients and the public Explanation:Larger organizations acting as their own Certificate Authorities (CAs) centralize key management for their clients and the public by issuing certificates as needed.
Page 3 of 5

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