AOS Quiz

What is the purpose of file system mounting ?

• To delete files from the system

• To compress files for storage

• To make a file system accessible by attaching it to a directory structure

• To format the storage device

Which of the following is NOT a file protection mechanism ?

• Encryption

• Defragmentation

• Access Control Lists (ACLs)

• File Permissions

What does an Access Control List (ACL) do ?

• Encrypts files to prevent access

• Allocates storage for files

• Specifies permissions for each user or group for a file or directory

• Compresses files to save space

Which file allocation method involves storing files in contiguous blocks of memory ?

• Contiguous Allocation

• Hierarchical Allocation

• Linked Allocation

• Indexed Allocation

What is a single-level directory ?

• A directory with a master file directory and user directories

• A directory with no subdirectories

• A directory with a tree-like structure

• A directory where all files are stored in the same location

What are the two levels in a two-level directory structure ?

• Current Directory and Parent Directory

• Master File Directory and User File Directory

• Root Directory and Subdirectory

• Absolute Directory and Relative Directory

What bit defines a directory entry as a file or a subdirectory in a tree-structured directory ?

• The first bit

• The second bit

• A specific system-defined bit

• None of the above

What does an absolute path name begin with ?

• The root directory

• The master file directory

• A subdirectory

• The current directory

Which of the following statements about the Index Access Method is correct ?

• Data can only be accessed sequentially in the Index Access Method.

• In the Index Access Method, data is accessed randomly using an index.

• Data in the Index Access Method can only be read once.

• The Index Access Method does not support random access.

Which of the following are the valid types of file access methods in an operating system ?

• Sequential Access, Random Access, Network Access

• File-based Access, Direct Access, Sequential Indexing

• Sequential Access, Direct Access, Indexed Access

• Sequential Access, Concurrent Access, Indexed File Access