Protection in Operating System

Choose the subject of the Access Control Matrix?

• File

• Program

• Directory

• Database record

Select Access Control Matrix protection mechanisms?

i. Access Control

ii. Capability List

iii. Access Control List

iv. Control List

• i,ii

• ii,iii

• iii,iv

• i,iv

Based on the table given, and identify file has permission for full access.

• User 1: File 1, User 2: File 3

• User 1: File 2, User 3: File 2

• User 2: File 3, User 3: File 1

• User 2: File 2, User 3: File 3

Based on the table given identify the file that has no access permission.

• User 1: File 1

• User 2: File 2

• User 3: File 3

• User 3: File 1

Select access operation in Access Control Matrix?

• list

• ready

• execute

• expand

Identify the CORRECT access control list (ACL) based on the table given.

• System.x – Amran:R, Lutfi:RW, Rani:R

• Syslog – Amran:R, Lutfi:R, Rani:RW

• Amran – System.x:R, Syslog:R

• Rani - System.x:R, Syslog:RW

Identify the CORRECT capability list (C-List) based on the table given.

• System.x – Amran:R, Lutfi:RW, Rani:R

• Syslog – Amran:R, Lutfi:R, Rani:RW

• Amran – System.x:R, Syslog :RW

• Rani - System.x:R, Syslog:RW