Question 1

What does it mean that a system is dual-booted?

Accepted Answer

The system is dual-booted if it allows to install multiple operating systems on a single system and a boot loader has to understand multiple file systems and multiple operating systems can occupy the boot space. The boot-loader can boot one of the operating systems available on the drive.

Question 2

A file may be associated with several images at the same time in:

Accepted Answer

A)  file systems consistent with UNIX Semantics. 
B)  file systems consistent with Windows Semantics. 
C)  file systems consistent with Session Semantics. 
D)  file systems consistent with NFS (Network File System) Semantics. 
A)  file systems consistent with UNIX Semantics. 
B)  file systems consistent with Windows Semantics. 
C)  file systems consistent with Session Semantics. 
D)  file systems consistent with NFS (Network File System) Semantics. C

Question 3

A disk drive may have many partitions each of which contains a different file system.

Accepted Answer

A) True 
 B)False  True

Question 4

NFS (Network File System):

Accepted Answer

A)  is consistent with UNIX Semantics. 
B)  is consistent with Session Semantics. 
C)  is consistent with Immutable-Shared-Files Semantics. 
D)  is not fully consistent with UNIX Semantics. 
A)  is consistent with UNIX Semantics. 
B)  is consistent with Session Semantics. 
C)  is consistent with Immutable-Shared-Files Semantics. 
D)  is not fully consistent with UNIX Semantics.

Question 5

The root-partition:

Accepted Answer

A)  contains an operating system kernel and it is not necessary to be mounted. 
B)  contains an operating system kernel and it is mounted during boot time. 
C)  contains a list of the operating systems which may be booted. 
D)  does not contain the operating system kernel, but it is the first mounted file system during the boot time. 
A)  contains an operating system kernel and it is not necessary to be mounted. 
B)  contains an operating system kernel and it is mounted during boot time. 
C)  contains a list of the operating systems which may be booted. 
D)  does not contain the operating system kernel, but it is the first mounted file system during the boot time.

Question 6

In file systems consistent with UNIX semantics:

Accepted Answer

A)  users cannot share the pointer of current location into a file. 
B)  writes to a file by a user are immediately visible to other users that have this file open. 
C)  writes performed by one user are not seen by other users . 
D)  a file cannot be opened by one user only. 
A)  users cannot share the pointer of current location into a file. 
B)  writes to a file by a user are immediately visible to other users that have this file open. 
C)  writes performed by one user are not seen by other users . 
D)  a file cannot be opened by one user only.

Question 7

You can access a file in an unmounted file system.

Accepted Answer

A) True 
 B)False

Question 8

A file system may be mounted:

Accepted Answer

A)  during the boot time only. 
B)  during the boot time or when the operating system is running. 
C)  when the operating system is running. 
D)  Only files systems included in a file systems table may be mounted when the operating system is running. 
A)  during the boot time only. 
B)  during the boot time or when the operating system is running. 
C)  when the operating system is running. 
D)  Only files systems included in a file systems table may be mounted when the operating system is running.

Question 9

Why should the boot loader understand the file system structure?

Accepted Answer

The boot loader should know enough about

Question 10

When is the raw disk used?

Accepted Answer

It means that it is disk which does not

Question 11

The file owner:

Accepted Answer

A)  is the user who cannot change the file attributes, but can execute the file. 
B)  is the user who can change the file attributes and grant access to the file. 
C)  is the user who can change the file attributes, but cannot grant access to the file. 
D)  is the only user who can execute the file. 
A)  is the user who cannot change the file attributes, but can execute the file. 
B)  is the user who can change the file attributes and grant access to the file. 
C)  is the user who can change the file attributes, but cannot grant access to the file. 
D)  is the only user who can execute the file.

Question 12

The NFS protocol:

Accepted Answer

A)  provides concurrency control mechanisms. 
B)  does not provide concurrency control mechanisms. 
C)  does not provide concurrency control mechanisms except file locking. 
D)  may provide concurrency control mechanisms. 
A)  provides concurrency control mechanisms. 
B)  does not provide concurrency control mechanisms. 
C)  does not provide concurrency control mechanisms except file locking. 
D)  may provide concurrency control mechanisms.

Question 13

An NFS (Network File System) is building on a RPC (Remote Procedure Call) system.

Accepted Answer

A) True 
 B)False

Question 14

Why may operating system disallow a mount over a directory that contains files?

Accepted Answer

The operating system may disallow a moun

Question 15

Each system should have at least one file system which is bootable.

Accepted Answer

A) True 
 B)False

Question 16

What does a mount point mean?

Accepted Answer

It is the location w

Question 17

Stateless File Servers:

Accepted Answer

A)  require that each client request is self-contained, i.e., all information needed to locate the file and perform the requested operation is given. 
B)  track which clients have exported volumes. 
C)  are very secure. 
D)  maintain states of all open files. 
A)  require that each client request is self-contained, i.e., all information needed to locate the file and perform the requested operation is given. 
B)  track which clients have exported volumes. 
C)  are very secure. 
D)  maintain states of all open files.

Question 18

Mounting a file systems means that:

Accepted Answer

A)  the file system is removed from the disk space. 
B)  the file system is being created in the disk space. 
C)  the file system is becoming available within the file system name space. 
D)  the file system is becoming unavailable within the file system name space. 
A)  the file system is removed from the disk space. 
B)  the file system is being created in the disk space. 
C)  the file system is becoming available within the file system name space. 
D)  the file system is becoming unavailable within the file system name space.

Question 19

The virtual file system layer is dedicated to allow access to:

Accepted Answer

A)  different types of locally mounted file systems and remote file systems. 
B)  locally mounted file systems only. 
C)  remote file systems only. 
D)  locally mounted file systems or remote ones, but for one type of file system only. 
A)  different types of locally mounted file systems and remote file systems. 
B)  locally mounted file systems only. 
C)  remote file systems only. 
D)  locally mounted file systems or remote ones, but for one type of file system only.

Question 20

What conditions on user and group ids have to be fulfilled when a new file system is mounted?

Accepted Answer

The owner and group IDs of a given file

What does it mean that a system is dual-booted?

A file may be associated with several images at the same time in:

A disk drive may have many partitions each of which contains a different file system.

NFS (Network File System):

The root-partition:

In file systems consistent with UNIX semantics:

You can access a file in an unmounted file system.

A file system may be mounted:

Why should the boot loader understand the file system structure?

When is the raw disk used?

The file owner:

The NFS protocol:

An NFS (Network File System) is building on a RPC (Remote Procedure Call) system.

Why may operating system disallow a mount over a directory that contains files?

Each system should have at least one file system which is bootable.

What does a mount point mean?

Stateless File Servers:

Mounting a file systems means that:

The virtual file system layer is dedicated to allow access to:

What conditions on user and group ids have to be fulfilled when a new file system is mounted?

Introduction

Operating-System Structures

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Interface

File-System Implementation

Security

Protection

Filters

Exam 15: File-System Internals

What does it mean that a system is dual-booted?

A file may be associated with several images at the same time in:

A disk drive may have many partitions each of which contains a different file system.

NFS (Network File System):

The root-partition:

In file systems consistent with UNIX semantics:

You can access a file in an unmounted file system.

A file system may be mounted:

Why should the boot loader understand the file system structure?

When is the raw disk used?

The file owner:

The NFS protocol:

An NFS (Network File System) is building on a RPC (Remote Procedure Call) system.

Why may operating system disallow a mount over a directory that contains files?

Each system should have at least one file system which is bootable.

What does a mount point mean?

Stateless File Servers:

Mounting a file systems means that:

The virtual file system layer is dedicated to allow access to:

What conditions on user and group ids have to be fulfilled when a new file system is mounted?

Introduction

Operating-System Structures

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Interface

File-System Implementation

Security

Protection

Filters