DL Advanced and Specialized Skills 5

Question 1

A developer uses a 'virtual environment' when working on Python projects. What problem does this primarily solve?

Accepted Answer

Isolating project-specific package versions to avoid dependency conflicts

Answer

Virtual environments isolate Python packages per project, preventing version conflicts when different projects require incompatible library versions.

Question 2

Which protocol is used to securely transfer files between a local machine and a remote server over an encrypted connection?

Accepted Answer

SFTP

Answer

SFTP (SSH File Transfer Protocol) provides encrypted file transfer over SSH, unlike plain FTP which transmits data in cleartext.

Question 3

A product manager wants to test whether a new website button color increases click-through rates. Which advanced testing methodology should be used?

Accepted Answer

A/B testing with statistical significance analysis

Answer

A/B testing randomly splits users between variants and uses statistical analysis to determine whether observed differences in behavior are significant.

Question 4

In the context of digital forensics, what is a 'chain of custody'?

Accepted Answer

A documented record tracking who handled digital evidence and when

Answer

Chain of custody is the chronological documentation showing who collected, handled, transferred, and analyzed digital evidence to ensure its integrity.

Question 5

Which advanced Excel or spreadsheet function retrieves a value from a table based on a lookup value and column index?

Accepted Answer

VLOOKUP

Answer

VLOOKUP searches for a value in the first column of a range and returns a value from a specified column in the same row.

(DL) Digital Literacy Certification Practice Test

(DL) Digital Literacy Certification Practice Test

DL Advanced and Specialized Skills 5