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SC-900 Premium File: 259 Questions & Answers

Last Update: Sep 27, 2026

SC-900 Training Course: 147 Video Lectures

SC-900 PDF Study Guide: 413 Pages

$79.99

SC-900 Bundle gives you unlimited access to "SC-900" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Microsoft SC-900 Practice Test 12

Question 110

During a cloud governance workshop at a nonprofit association, the IT operations director records this concrete requirement: A storage team must protect sensitive data on disks and backups if physical media is stolen. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use supported encryption-at-rest controls with appropriate key protection for stored information. Which evidence BEST verifies that the action met its stated purpose?

  1. Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy.
  2. Trace a sign-in through the provider and validate the relying application's accepted identity assertion.
  3. Query authorized directory entries and compare membership and attribute changes to the source of truth.
  4. Validate the trust configuration and sign-in tokens while confirming no separate local password is required.

Explanation

Correct Answer

A:

Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy. This tests the relevant control rather than an adjacent capability. The implemented response is: Use supported encryption-at-rest controls with appropriate key protection for stored information. The control principle is: Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization.

Incorrect Answers

B:

Trace a sign-in through the provider and validate the relying application's accepted identity assertion. That result would support an assessment of identity provider, not the encryption at rest measure implemented in this case. The appropriate observation is: Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy.

C:

Query authorized directory entries and compare membership and attribute changes to the source of truth. This would test directory services, whereas the required evidence is: Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy.

D:

Validate the trust configuration and sign-in tokens while confirming no separate local password is required. This would test federation, whereas the required evidence is: Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy.

Question 111

Following a licensing and controls review at a local government agency, the service owner has to defend a design against oversimplified assumptions. The requirement is: A storage team must protect sensitive data on disks and backups if physical media is stolen. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. Single sign-on reuses an established authentication context across participating applications.
  2. Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization.
  3. Directory services provide a structured identity store and lookup capabilities; they do not alone define every resource permission.
  4. An identity provider authenticates identities and supplies the identity information applications rely on.

Explanation

Correct Answer

B:

Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization. It explains why the selected measure—Use supported encryption-at-rest controls with appropriate key protection for stored information—fits the specific requirement. It should be verified by checking: Inspect storage encryption state and key access controls, then test a retrieval authorized by the key policy.

Incorrect Answers

A:

Single sign-on reuses an established authentication context across participating applications. This statement belongs to single sign-on concept; it does not directly explain the narrower requirement here. The governing concept for this case is: Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization.

C:

Directory services provide a structured identity store and lookup capabilities; they do not alone define every resource permission. This statement belongs to directory services; it does not directly explain the narrower requirement here. The governing concept for this case is: Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization.

D:

An identity provider authenticates identities and supplies the identity information applications rely on. This describes identity provider; the governing concept here is: Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization.

Question 112

Following a licensing and controls review at a local government agency, the service owner has to defend a design against oversimplified assumptions. The requirement is: A storage team must protect sensitive data on disks and backups if physical media is stolen. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Treating corporate IP address membership as the sole security perimeter for cloud resources.
  2. Assuming a directory group entry automatically grants access to every resource without permission configuration.
  3. Assuming disk encryption alone prevents an authorized but malicious signed-in user from reading data.
  4. Assuming every authenticated employee has permission to read every organizational file.

Explanation

Correct Answer

C:

Assuming disk encryption alone prevents an authorized but malicious signed-in user from reading data. This belief conflicts with this control principle: Encryption at rest protects stored content from unauthorized reading without claiming to control user authorization. The appropriate response instead is: Use supported encryption-at-rest controls with appropriate key protection for stored information.

Incorrect Answers

A:

Treating corporate IP address membership as the sole security perimeter for cloud resources. That caution concerns identity as security perimeter; the specific misconception here is: Assuming disk encryption alone prevents an authorized but malicious signed-in user from reading data.

B:

Assuming a directory group entry automatically grants access to every resource without permission configuration. That caution can be material to directory services, but it is not the specific flawed assumption described by this requirement. The relevant misconception is: Assuming disk encryption alone prevents an authorized but malicious signed-in user from reading data.

D:

Assuming every authenticated employee has permission to read every organizational file. That caution concerns authorization; the specific misconception here is: Assuming disk encryption alone prevents an authorized but malicious signed-in user from reading data.

Question 113

During a vendor assurance review at a construction engineering group, the technology auditor records this concrete requirement: A client sends account records across an untrusted network and needs confidentiality on the connection. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Use authenticated encrypted transport such as TLS between the communicating endpoints.
  2. Configure trusted single sign-on across applications that accept the identity provider's session or tokens.
  3. Perform authentication using an appropriate credential or authenticator before treating the claimant as the user.
  4. Use an identity provider to authenticate identities and provide trusted identity claims to relying applications.

Explanation

Correct Answer

A:

Use authenticated encrypted transport such as TLS between the communicating endpoints. This is the best match because Encryption in transit addresses exposure of data traveling over a communication channel. A practical confirmation is: Check certificate validation and negotiated secure transport on the actual client-to-service path.

Incorrect Answers

B:

Configure trusted single sign-on across applications that accept the identity provider's session or tokens. This response addresses a different security or compliance task, namely: A staff member needs to open several approved cloud apps without repeated independent sign-ins. The immediate case instead calls for encryption in transit; specifically, use authenticated encrypted transport such as tls between the communicating endpoints.

C:

Perform authentication using an appropriate credential or authenticator before treating the claimant as the user. This response addresses a different security or compliance task, namely: A user enters a username but the service still needs assurance that the claimant owns the account. The immediate case instead calls for encryption in transit; specifically, use authenticated encrypted transport such as tls between the communicating endpoints.

D:

Use an identity provider to authenticate identities and provide trusted identity claims to relying applications. That addresses a different task: several applications must rely on one trusted service to issue identity assertions for users. The present requirement concerns encryption in transit.

Question 114

During a vendor assurance review at a construction engineering group, the technology auditor records this concrete requirement: A client sends account records across an untrusted network and needs confidentiality on the connection. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use authenticated encrypted transport such as TLS between the communicating endpoints. Which evidence BEST verifies that the action met its stated purpose?

  1. Query authorized directory entries and compare membership and attribute changes to the source of truth.
  2. Check certificate validation and negotiated secure transport on the actual client-to-service path.
  3. Verify that access decisions still enforce identity-centric requirements from home, office, and mobile networks.
  4. Trace a sign-in through the provider and validate the relying application's accepted identity assertion.

Explanation

Correct Answer

B:

Check certificate validation and negotiated secure transport on the actual client-to-service path. This tests the relevant control rather than an adjacent capability. The implemented response is: Use authenticated encrypted transport such as TLS between the communicating endpoints. The control principle is: Encryption in transit addresses exposure of data traveling over a communication channel.

Incorrect Answers

A:

Query authorized directory entries and compare membership and attribute changes to the source of truth. This would test directory services, whereas the required evidence is: Check certificate validation and negotiated secure transport on the actual client-to-service path.

C:

Verify that access decisions still enforce identity-centric requirements from home, office, and mobile networks. This would test identity as security perimeter, whereas the required evidence is: Check certificate validation and negotiated secure transport on the actual client-to-service path.

D:

Trace a sign-in through the provider and validate the relying application's accepted identity assertion. That result would support an assessment of identity provider, not the encryption in transit measure implemented in this case. The appropriate observation is: Check certificate validation and negotiated secure transport on the actual client-to-service path.

Question 115

Following a business continuity review at a multinational publisher, the enterprise architect has to defend a design against oversimplified assumptions. The requirement is: A client sends account records across an untrusted network and needs confidentiality on the connection. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. Authorization determines what an authenticated identity may do to a given resource.
  2. Authentication establishes who or what is making an identity claim; it precedes authorization decisions.
  3. Encryption in transit addresses exposure of data traveling over a communication channel.
  4. An identity provider authenticates identities and supplies the identity information applications rely on.

Explanation

Correct Answer

C:

Encryption in transit addresses exposure of data traveling over a communication channel. It explains why the selected measure—Use authenticated encrypted transport such as TLS between the communicating endpoints—fits the specific requirement. It should be verified by checking: Check certificate validation and negotiated secure transport on the actual client-to-service path.

Incorrect Answers

A:

Authorization determines what an authenticated identity may do to a given resource. This describes authorization; the governing concept here is: Encryption in transit addresses exposure of data traveling over a communication channel.

B:

Authentication establishes who or what is making an identity claim; it precedes authorization decisions. This describes authentication; the governing concept here is: Encryption in transit addresses exposure of data traveling over a communication channel.

D:

An identity provider authenticates identities and supplies the identity information applications rely on. This describes identity provider; the governing concept here is: Encryption in transit addresses exposure of data traveling over a communication channel.

Question 116

Following a business continuity review at a multinational publisher, the enterprise architect has to defend a design against oversimplified assumptions. The requirement is: A client sends account records across an untrusted network and needs confidentiality on the connection. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Treating corporate IP address membership as the sole security perimeter for cloud resources.
  2. Assuming federation requires copying all partner passwords into the receiving organization.
  3. Assuming a directory group entry automatically grants access to every resource without permission configuration.
  4. Assuming encrypted disks also encrypt every network packet sent to an external endpoint.

Explanation

Correct Answer

D:

Assuming encrypted disks also encrypt every network packet sent to an external endpoint. This belief conflicts with this control principle: Encryption in transit addresses exposure of data traveling over a communication channel. The appropriate response instead is: Use authenticated encrypted transport such as TLS between the communicating endpoints.

Incorrect Answers

A:

Treating corporate IP address membership as the sole security perimeter for cloud resources. That caution concerns identity as security perimeter; the specific misconception here is: Assuming encrypted disks also encrypt every network packet sent to an external endpoint.

B:

Assuming federation requires copying all partner passwords into the receiving organization. That caution concerns federation; the specific misconception here is: Assuming encrypted disks also encrypt every network packet sent to an external endpoint.

C:

Assuming a directory group entry automatically grants access to every resource without permission configuration. That caution can be material to directory services, but it is not the specific flawed assumption described by this requirement. The relevant misconception is: Assuming encrypted disks also encrypt every network packet sent to an external endpoint.

Question 117

During an infrastructure modernization effort at a school district, the information governance lead records this concrete requirement: An auditor wants to detect whether a downloaded artifact changed rather than recover original plaintext. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Base access protection on user and workload identities with contextual policy rather than only network location.
  2. Compare a trusted cryptographic digest with a newly computed digest for the received artifact.
  3. Evaluate the employee's permissions and resource policy before granting access to the folder.
  4. Establish a trusted federation relationship so the external identity provider can authenticate the partner users.

Explanation

Correct Answer

B:

Compare a trusted cryptographic digest with a newly computed digest for the received artifact. This is the best match because Hashing supports integrity comparison; it is not a reversible confidentiality mechanism. A practical confirmation is: Recompute the artifact hash and compare it with the authenticated expected value.

Incorrect Answers

A:

Base access protection on user and workload identities with contextual policy rather than only network location. That addresses a different task: remote workers use cloud services from networks not managed by the enterprise. The present requirement concerns hashing versus encryption.

C:

Evaluate the employee's permissions and resource policy before granting access to the folder. This response addresses a different security or compliance task, namely: A correctly signed-in employee requests access to a confidential payroll folder. The immediate case instead calls for hashing versus encryption; specifically, compare a trusted cryptographic digest with a newly computed digest for the received artifact.

D:

Establish a trusted federation relationship so the external identity provider can authenticate the partner users. That addresses a different task: a partner's staff should use its existing organizational identity to access a separate service. The present requirement concerns hashing versus encryption.

Question 118

During an infrastructure modernization effort at a school district, the information governance lead records this concrete requirement: An auditor wants to detect whether a downloaded artifact changed rather than recover original plaintext. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Compare a trusted cryptographic digest with a newly computed digest for the received artifact. Which evidence BEST verifies that the action met its stated purpose?

  1. Trace a sign-in through the provider and validate the relying application's accepted identity assertion.
  2. Sign in once and validate access to multiple correctly integrated apps under one identity session.
  3. Recompute the artifact hash and compare it with the authenticated expected value.
  4. Verify that access decisions still enforce identity-centric requirements from home, office, and mobile networks.

Explanation

Correct Answer

C:

Recompute the artifact hash and compare it with the authenticated expected value. This tests the relevant control rather than an adjacent capability. The implemented response is: Compare a trusted cryptographic digest with a newly computed digest for the received artifact. The control principle is: Hashing supports integrity comparison; it is not a reversible confidentiality mechanism.

Incorrect Answers

A:

Trace a sign-in through the provider and validate the relying application's accepted identity assertion. That result would support an assessment of identity provider, not the hashing versus encryption measure implemented in this case. The appropriate observation is: Recompute the artifact hash and compare it with the authenticated expected value.

B:

Sign in once and validate access to multiple correctly integrated apps under one identity session. This would test single sign-on concept, whereas the required evidence is: Recompute the artifact hash and compare it with the authenticated expected value.

D:

Verify that access decisions still enforce identity-centric requirements from home, office, and mobile networks. This would test identity as security perimeter, whereas the required evidence is: Recompute the artifact hash and compare it with the authenticated expected value.

Question 119

Following an external assurance discussion at a public university, the training coordinator has to defend a design against oversimplified assumptions. The requirement is: An auditor wants to detect whether a downloaded artifact changed rather than recover original plaintext. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. An identity provider authenticates identities and supplies the identity information applications rely on.
  2. Authentication establishes who or what is making an identity claim; it precedes authorization decisions.
  3. Federation extends authentication trust across organizational or security boundaries.
  4. Hashing supports integrity comparison; it is not a reversible confidentiality mechanism.

Explanation

Correct Answer

D:

Hashing supports integrity comparison; it is not a reversible confidentiality mechanism. It explains why the selected measure—Compare a trusted cryptographic digest with a newly computed digest for the received artifact—fits the specific requirement. It should be verified by checking: Recompute the artifact hash and compare it with the authenticated expected value.

Incorrect Answers

A:

An identity provider authenticates identities and supplies the identity information applications rely on. This describes identity provider; the governing concept here is: Hashing supports integrity comparison; it is not a reversible confidentiality mechanism.

B:

Authentication establishes who or what is making an identity claim; it precedes authorization decisions. This describes authentication; the governing concept here is: Hashing supports integrity comparison; it is not a reversible confidentiality mechanism.

C:

Federation extends authentication trust across organizational or security boundaries. This statement belongs to federation; it does not directly explain the narrower requirement here. The governing concept for this case is: Hashing supports integrity comparison; it is not a reversible confidentiality mechanism.

Question 120

Following an external assurance discussion at a public university, the training coordinator has to defend a design against oversimplified assumptions. The requirement is: An auditor wants to detect whether a downloaded artifact changed rather than recover original plaintext. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming a hash can be decrypted to reconstruct the original artifact.
  2. Assuming every application must independently store and validate every user's password.
  3. Assuming a directory group entry automatically grants access to every resource without permission configuration.
  4. Assuming single sign-on automatically gives a user authorization to every connected application.

Explanation

Correct Answer

A:

Assuming a hash can be decrypted to reconstruct the original artifact. This belief conflicts with this control principle: Hashing supports integrity comparison; it is not a reversible confidentiality mechanism. The appropriate response instead is: Compare a trusted cryptographic digest with a newly computed digest for the received artifact.

Incorrect Answers

B:

Assuming every application must independently store and validate every user's password. That caution concerns identity provider; the specific misconception here is: Assuming a hash can be decrypted to reconstruct the original artifact.

C:

Assuming a directory group entry automatically grants access to every resource without permission configuration. That caution can be material to directory services, but it is not the specific flawed assumption described by this requirement. The relevant misconception is: Assuming a hash can be decrypted to reconstruct the original artifact.

D:

Assuming single sign-on automatically gives a user authorization to every connected application. That caution concerns single sign-on concept; the specific misconception here is: Assuming a hash can be decrypted to reconstruct the original artifact.


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