- A
Hashing
Hashing creates a fixed-length digest from data so the receiver can compare values and detect changes. In this scenario, the administrator is generating a SHA-256 result and comparing it to the vendor's published value to confirm the package has not changed. That use case is about integrity verification rather than encryption or identity proof.
- B
Symmetric encryption
Why wrong: Symmetric encryption protects confidentiality by using one shared secret key, but it does not produce the checksum comparison described here.
- C
Digital signatures
Why wrong: Digital signatures can verify integrity and authenticity, but the scenario specifically describes comparing a computed SHA-256 value with a published checksum.
- D
Asymmetric encryption
Why wrong: Asymmetric encryption uses a public/private key pair for confidentiality or key exchange, not for basic checksum comparison.
SY0-701 General Security Concepts Practice Question
This SY0-701 practice question tests your understanding of general security concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A system administrator downloads a vendor patch package and a separate checksum file. After the download completes, the administrator runs a command that produces a SHA-256 value for the package and compares it to the vendor's published value. Which cryptographic primitive is being used for the comparison?
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
Hashing
The administrator is using SHA-256 to compute a fixed-length digest of the downloaded package and comparing it to the vendor's published checksum. This is a classic application of a cryptographic hash function (hashing), which produces a unique, irreversible fingerprint of data. The comparison verifies integrity—ensuring the package has not been altered during transit—but does not provide authentication or non-repudiation.
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.
- ✓
Hashing
Why this is correct
Hashing creates a fixed-length digest from data so the receiver can compare values and detect changes. In this scenario, the administrator is generating a SHA-256 result and comparing it to the vendor's published value to confirm the package has not changed. That use case is about integrity verification rather than encryption or identity proof.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Symmetric encryption
Why it's wrong here
Symmetric encryption protects confidentiality by using one shared secret key, but it does not produce the checksum comparison described here.
- ✗
Digital signatures
Why it's wrong here
Digital signatures can verify integrity and authenticity, but the scenario specifically describes comparing a computed SHA-256 value with a published checksum.
- ✗
Asymmetric encryption
Why it's wrong here
Asymmetric encryption uses a public/private key pair for confidentiality or key exchange, not for basic checksum comparison.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse integrity verification via hashing with authentication provided by digital signatures, especially when the question mentions a 'vendor' and 'comparison'—leading them to incorrectly choose digital signatures (Option C) even though no signature verification is performed.
Trap categories for this question
Scenario analysis trap
Digital signatures can verify integrity and authenticity, but the scenario specifically describes comparing a computed SHA-256 value with a published checksum.
Detailed technical explanation
How to think about this question
SHA-256 is part of the SHA-2 family, defined in FIPS PUB 180-4, and produces a 256-bit (32-byte) hash value. The command likely used is `sha256sum` (Linux) or `Get-FileHash -Algorithm SHA256` (PowerShell). A subtle behavior: even a single-bit change in the package produces a completely different hash (avalanche effect), making it reliable for detecting corruption or tampering. In real-world scenarios, this method is used for verifying ISO images, firmware updates, and software packages from vendors like Microsoft or Red Hat.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
General Security Concepts — This question tests General Security Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Hashing — The administrator is using SHA-256 to compute a fixed-length digest of the downloaded package and comparing it to the vendor's published checksum. This is a classic application of a cryptographic hash function (hashing), which produces a unique, irreversible fingerprint of data. The comparison verifies integrity—ensuring the package has not been altered during transit—but does not provide authentication or non-repudiation.
What should I do if I get this SY0-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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