A company requires technicians to verify that files downloaded from the internet have not been modified. Which of the following should the technicians use for validation?

Rationale

Hashing should be used for validation of downloaded files.

Hashing creates a unique fixed-size string of characters from file data, enabling technicians to verify that the contents of the files remain unchanged after download. By comparing the hash value of the downloaded file with the original, technicians can confirm file integrity effectively.

A (Hashing) CORRECT

Hashing is a method that generates a unique hash value for a file, which serves as a digital fingerprint. This allows technicians to verify that a file has not been altered during the download process by comparing the original hash value with the hash of the downloaded file. If the values match, the file is confirmed to be unmodified.

B (SSL certificate) YOUR ANSWER

An SSL certificate secures the connection between a client and a server, encrypting data during transmission to protect it from eavesdropping. While it ensures secure downloads, it does not verify whether the downloaded files themselves have been modified or tampered with after the download is completed.

C (Plug-in) YOUR ANSWER

A plug-in is a software component that adds a specific feature to an existing computer program, enhancing its capabilities. Plug-ins do not provide file validation and are unrelated to ensuring that downloaded files have not been modified, making them ineffective for this purpose.

D (Extensions) YOUR ANSWER

Extensions are additional features or functionalities added to existing software applications, often used to enhance user experience. Similar to plug-ins, they do not serve the function of validating the integrity of downloaded files and thus do not ensure that files have remained unchanged.

Conclusion

To confirm the integrity of downloaded files and ensure they have not been modified, hashing is the most appropriate method. By generating and comparing hash values, technicians can accurately determine whether files remain intact post-download. Other options like SSL certificates, plug-ins, and extensions do not serve this specific validation purpose, highlighting the importance of using hashing for file integrity verification.

A company requires technicians to verify that files downloaded from the internet have not been modified. Which of the following should the technicians use for validation?

Hashing should be used for validation of downloaded files.

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