Question 1

The FAT method incorporates free-block accounting into the allocation data structure.

Accepted Answer

A) True 
 B)False

Question 2

What method of free space management is used by Oracle's ZFS file system?

Accepted Answer

ZFS uses a combination of techniques to

Question 3

Describe the role of the logical file system module.

Accepted Answer

The logical file system manages metadata

Question 4

_______________ is used to implement a file system.

Accepted Answer

A)  A boot control block 
B)  A volume control block 
C)  A directory structure. 
D)  all of the above 
A)  A boot control block 
B)  A volume control block 
C)  A directory structure. 
D)  all of the above

Question 5

The FAT method ______________

Accepted Answer

A)  keeps information about the block where bit vector is stored. 
B)  employs space maps to manage information about free blocks. 
C)  does not store information about free blocks. 
D)  incorporates free-block accounting into the allocation data structure. 
A)  keeps information about the block where bit vector is stored. 
B)  employs space maps to manage information about free blocks. 
C)  does not store information about free blocks. 
D)  incorporates free-block accounting into the allocation data structure.

Question 6

The basic file systems _______________

Accepted Answer

A)  reads and writes physical blocks on the storage device. 
B)  tracks unallocated blocks and provides them the when it is required. 
C)  manages directory structure. 
D)  is responsible for protection. 
A)  reads and writes physical blocks on the storage device. 
B)  tracks unallocated blocks and provides them the when it is required. 
C)  manages directory structure. 
D)  is responsible for protection.

Question 7

Unified virtual memory uses _____________ to cache both process page and file data

Accepted Answer

A)  disk block caching 
B)  double caching 
C)  buffer caching 
D)  page caching 
A)  disk block caching 
B)  double caching 
C)  buffer caching 
D)  page caching

Question 8

What is a double caching?

Accepted Answer

The memory-mapping call, however, requir

Question 9

UNIX inode is an example of _______

Accepted Answer

A)  a contiguous allocation. 
B)  a linked allocation 
C)  an indexed allocation 
D)  an index file 
A)  a contiguous allocation. 
B)  a linked allocation 
C)  an indexed allocation 
D)  an index file

Question 10

WAFL (write-anywhere file layout)

Accepted Answer

A)  is a file system dedicated to single user operating systems 
B)  is a distributed file system 
C)  cannot provide files via NFS 
D)  can provide files via NFS, but not via CIFS 
A)  is a file system dedicated to single user operating systems 
B)  is a distributed file system 
C)  cannot provide files via NFS 
D)  can provide files via NFS, but not via CIFS

Question 11

Contiguous allocation of a file is defined by the address of the first block and length (in block units) of the file.

Accepted Answer

A) True 
 B)False

Question 12

Indexed allocation

Accepted Answer

A)  supports direct access 
B)  does not suffer from external fragmentation. 
C)  all of the above 
D)  none of the above 
A)  supports direct access 
B)  does not suffer from external fragmentation. 
C)  all of the above 
D)  none of the above

Question 13

The open() call returns a pointer to the appropriate entry in the system wide-open-file table.

Accepted Answer

A) True 
 B)False

Question 14

Using ____-bit pointers limits the size of a file to 4 GB.

Accepted Answer

A)  32 
B)  64 
C)  128 
D)  256 
A)  32 
B)  64 
C)  128 
D)  256

Question 15

How may we combat the main disadvantage of fixed size hash table?

Accepted Answer

The major difficulties with a hash table

Question 16

Why should the permanent backup be stored far away from the regular backup?

Accepted Answer

The permanent backups should b

The FAT method incorporates free-block accounting into the allocation data structure.

What method of free space management is used by Oracle's ZFS file system?

Describe the role of the logical file system module.

_______________ is used to implement a file system.

The FAT method ______________

The basic file systems _______________

Unified virtual memory uses _____________ to cache both process page and file data

What is a double caching?

UNIX inode is an example of _______

WAFL (write-anywhere file layout)

Contiguous allocation of a file is defined by the address of the first block and length (in block units) of the file.

Indexed allocation

The open() call returns a pointer to the appropriate entry in the system wide-open-file table.

Using ____-bit pointers limits the size of a file to 4 GB.

How may we combat the main disadvantage of fixed size hash table?

Why should the permanent backup be stored far away from the regular backup?

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 Internals

Security

Protection

Filters

Exam 14: File-System Implementation

The FAT method incorporates free-block accounting into the allocation data structure.

What method of free space management is used by Oracle's ZFS file system?

Describe the role of the logical file system module.

_______________ is used to implement a file system.

The FAT method ______________

The basic file systems _______________

Unified virtual memory uses _____________ to cache both process page and file data

What is a double caching?

UNIX inode is an example of _______

WAFL (write-anywhere file layout)

Contiguous allocation of a file is defined by the address of the first block and length (in block units) of the file.

Indexed allocation

The open() call returns a pointer to the appropriate entry in the system wide-open-file table.

Using ____-bit pointers limits the size of a file to 4 GB.

How may we combat the main disadvantage of fixed size hash table?

Why should the permanent backup be stored far away from the regular backup?

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 Internals

Security

Protection

Filters