210-255 · Question #64
Which option is generated when a file is run through an algorithm and generates a string specific to the contents of that file?
The correct answer is B. hash. A hash (or message digest) is a fixed-length string produced by running data through a cryptographic algorithm, and it is unique to the specific contents of the input file.
Question
Which option is generated when a file is run through an algorithm and generates a string specific to the contents of that file?
Options
- AURL
- Bhash
- CIP address
- Ddestination port
How the community answered
(21 responses)- A5% (1)
- B90% (19)
- C5% (1)
Why each option
A hash (or message digest) is a fixed-length string produced by running data through a cryptographic algorithm, and it is unique to the specific contents of the input file.
A URL is a web address used to locate resources on a network, not an output derived from file contents.
A hashing algorithm such as MD5 or SHA-256 processes the contents of a file and produces a fixed-length output string called a hash or digest. This output is deterministic and unique to the file's contents - any change to the file produces a completely different hash. Hashes are commonly used for file integrity verification and digital signatures.
An IP address identifies a device on a network and has no relationship to the contents of a file.
A destination port identifies a network service or application endpoint in a TCP/UDP communication, not a file content fingerprint.
Concept tested: Cryptographic hashing for file integrity verification
Source: https://csrc.nist.gov/projects/hash-functions
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