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Management and Security Governance →mediumMultiple SelectObjective-mapped

SCS-C02 Management and Security Governance Practice Question

This SCS-C02 practice question tests your understanding of management and security governance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Which TWO are best practices for managing IAM policies? (Select TWO.)

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

A
Use wildcards (*) to simplify policy management
Why wrong: Wildcards grant excessive permissions.
B
Use inline policies instead of managed policies
Why wrong: Managed policies are easier to maintain.
C
Use SCPs to enforce permissions
Why wrong: SCPs are for Organizations, not IAM.
D
Grant least privilege by using specific actions and resources
Least privilege is a security best practice.
E
Use AWS managed policies when possible
Managed policies reduce maintenance.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Grant least privilege by using specific actions and resources

Option D is correct because the principle of least privilege is a foundational security best practice in AWS IAM. By specifying exact actions (e.g., s3:GetObject) and resources (e.g., arn:aws:s3:::example-bucket/*) instead of using wildcards, you minimize the blast radius of a compromised credential or misconfigured policy. This aligns with the AWS Well-Architected Framework's security pillar, which mandates granting only the permissions required to perform a task.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Use wildcards (*) to simplify policy management
Why it's wrong here
Wildcards grant excessive permissions.
✗
Use inline policies instead of managed policies
Why it's wrong here
Managed policies are easier to maintain.
✗
Use SCPs to enforce permissions
Why it's wrong here
SCPs are for Organizations, not IAM.
✓
Grant least privilege by using specific actions and resources
Why this is correct
Least privilege is a security best practice.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✓
Use AWS managed policies when possible
Why this is correct
Managed policies reduce maintenance.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse SCPs as a method to grant permissions, when in fact SCPs only define a maximum permission boundary and cannot grant any access—permissions must still be explicitly allowed by IAM policies within the account.

Detailed technical explanation

How to think about this question

Under the hood, IAM policy evaluation uses an explicit deny override model: an explicit deny in any policy (identity-based, resource-based, or SCP) always overrides an allow. When you grant least privilege with specific actions and resources, you reduce the risk of unintended access paths, such as a user with s3:ListAllMyBuckets being able to enumerate all buckets in the account. In a real-world scenario, a developer might need only s3:PutObject on a specific prefix; granting s3:PutObject on the entire bucket would allow overwriting critical logs or backups, which is a common misconfiguration exploited in data breaches.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.

TExam Day Tips

Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

Quick reference

AAA Protocol Comparison

Protocol	Port(s)	Encryption	Transport	Primary Use
RADIUS	1812 / 1813	Password only	UDP	Network access control
TACACS+	49	Full packet	TCP	Device administration
Diameter	3868	Full session	TCP / SCTP	Carrier / mobile networks
802.1X	—	EAP-based	Layer 2	Port-based access control

TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this SCS-C02 question test?

Management and Security Governance — This question tests Management and Security Governance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Grant least privilege by using specific actions and resources — Option D is correct because the principle of least privilege is a foundational security best practice in AWS IAM. By specifying exact actions (e.g., s3:GetObject) and resources (e.g., arn:aws:s3:::example-bucket/*) instead of using wildcards, you minimize the blast radius of a compromised credential or misconfigured policy. This aligns with the AWS Well-Architected Framework's security pillar, which mandates granting only the permissions required to perform a task.

What should I do if I get this SCS-C02 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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This SCS-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SCS-C02 exam.