Crowdly

Which access control mechanism uses a table to specify user permissions for each file?

Role-based access control

Kerberos authentication

Firewall policy

Capability token

ACL (Access Control List)

What is the primary purpose of data encryption in networking?

Reduce data redundancy

Prevent unauthorized data access

Optimize network resource usage

Improve connection speeds

Facilitate file compression

Which protocol is typically used for secure remote access?

SSH

SNMP

HTTP

SMTP

FTP

What is the main purpose of a journaling file system?

Encrypt all files for security

Defragment disk storage

Prevent data loss during crashes

Increase the speed of disk read/write operations

Enable multiple users to access files simultaneously

What does a firewall primarily protect against?

Software piracy

Disk fragmentation

Malware already on the system

Unauthorized network access

Physical damage to hardware

Which file allocation method minimizes fragmentation?

Rotational allocation

Contiguous allocation

Indexed allocation

Static allocation

Linked allocation

What is the difference between sequential and direct file access methods?

Sequential is specific to SSDs, and direct to HDDs

Direct requires indexing; sequential is index-free

Sequential processes data linearly; direct allows access to specific data

Sequential is unordered; direct accesses blocks in sequence

Direct is slower than sequential

Which command is commonly used in Linux to display active network connections?

ifconfig

traceroute

netstat

chmod

Which of the following is a function of an operating system's file management system?

Provide a secure virtual machine

Execute user programs

Detect malware in memory

Manage processor scheduling

Optimize physical storage layout