Question 1

The ________ path to a file is the path beginning at the root.

Accepted Answer

A)  relative 
B)  absolute 
C)  working 
D)  symbolic 
A)  relative 
B)  absolute 
C)  working 
D)  symbolic

Question 2

If an error occurs that prevents a transaction from completing, transaction-based logging allows the system to "________" the system to the state before the transaction began.

Accepted Answer

A)  roll back 
B)  unwind 
C)  reset 
D)  restore 
A)  roll back 
B)  unwind 
C)  reset 
D)  restore

Question 3

Contiguous file allocation is inappropriate for general-purpose file systems because ________.

Accepted Answer

A)  successive logical records typically are physically adjacent to one another 
B)  if a file grows beyond the size originally specified and there are no adjacent free blocks, the file must be transferred to a new area of adequate size 
C)  locating file data is complicated, because the system must store multiple memory addresses to reference a file. 
D)  all of the above 
A)  successive logical records typically are physically adjacent to one another 
B)  if a file grows beyond the size originally specified and there are no adjacent free blocks, the file must be transferred to a new area of adequate size 
C)  locating file data is complicated, because the system must store multiple memory addresses to reference a file. 
D)  all of the above

Question 4

In a hierarchically structured file system, the name of a file is formed by the pathname from the ________ to the file.

Accepted Answer

A)  user directory 
B)  base directory 
C)  root directory 
D)  relative directory 
A)  user directory 
B)  base directory 
C)  root directory 
D)  relative directory

Question 5

What typically happens when a file system's mount point contains directories of the native file system?

Accepted Answer

A)  The contents of the mounted file system and the native file system are merged, with the mounted file system's contents taking precedence in the case of any duplicate directory or file names. 
B)  The contents of the mounted file system and the native file system are merged, with the native file system's contents taking precedence in the case of any duplicate directory or file names. 
C)  The contents of the native file system's directory at the mount point are temporarily hidden. 
D)  The contents of the native file system's directory at the mount point are deleted. 
A)  The contents of the mounted file system and the native file system are merged, with the mounted file system's contents taking precedence in the case of any duplicate directory or file names. 
B)  The contents of the mounted file system and the native file system are merged, with the native file system's contents taking precedence in the case of any duplicate directory or file names. 
C)  The contents of the native file system's directory at the mount point are temporarily hidden. 
D)  The contents of the native file system's directory at the mount point are deleted.

Question 6

Which one of the following statements about links is false?

Accepted Answer

A)  A soft link is a directory entry containing the pathname for another file. 
B)  A hard link is a directory entry that specifies the physical location of a file. 
C)  File systems typically update soft links when a referenced file is moved to a different directory. 
D)  A hard link may reference invalid data if the physical location of the corresponding file changes. 
A)  A soft link is a directory entry containing the pathname for another file. 
B)  A hard link is a directory entry that specifies the physical location of a file. 
C)  File systems typically update soft links when a referenced file is moved to a different directory. 
D)  A hard link may reference invalid data if the physical location of the corresponding file changes.

Question 7

The ________ file organization scheme places records on disk in logical sequence according to a key contained in each record.

Accepted Answer

A)  sequential 
B)  direct 
C)  indexed sequential 
D)  partitioned 
A)  sequential 
B)  direct 
C)  indexed sequential 
D)  partitioned

Question 8

Memory-mapped files ________.

Accepted Answer

A)  map file data to a process's virtual address space 
B)  map file data to file system caches 
C)  simplify application programming 
D)  both a and c 
A)  map file data to a process's virtual address space 
B)  map file data to file system caches 
C)  simplify application programming 
D)  both a and c

Question 9

The role of a data manipulation language (DML) is ________.

Accepted Answer

A)  to specify how data items are organized 
B)  to modify data 
C)  to search the database 
D)  to specify how data items are related 
A)  to specify how data items are organized 
B)  to modify data 
C)  to search the database 
D)  to specify how data items are related

Question 10

A file system is responsible for ________.

Accepted Answer

A)  file management 
B)  auxiliary storage management 
C)  file integrity mechanisms 
D)  all of the above 
A)  file management 
B)  auxiliary storage management 
C)  file integrity mechanisms 
D)  all of the above

Question 11

Which one of the following statements about free space management techniques is false?

Accepted Answer

A)  Bitmaps allow the file system to quickly determine if contiguous blocks are available at certain memory locations. 
B)  The file system typically maintains free blocks in a free list, sorted by memory address. 
C)  The last entry of the last free list block typically stores a null pointer. 
D)  The ith bit in a bitmap typically corresponds to the ith block in the file system. 
A)  Bitmaps allow the file system to quickly determine if contiguous blocks are available at certain memory locations. 
B)  The file system typically maintains free blocks in a free list, sorted by memory address. 
C)  The last entry of the last free list block typically stores a null pointer. 
D)  The ith bit in a bitmap typically corresponds to the ith block in the file system.

Question 12

Which of the following statements about directories is false?

Accepted Answer

A)  Directories contain the names and locations of other files in the file system. 
B)  Directories often store user data. 
C)  Directions may contain the access times and modified times of files. 
D)  Directories may contain a "type" field that specifies a description of a file's purpose. 
A)  Directories contain the names and locations of other files in the file system. 
B)  Directories often store user data. 
C)  Directions may contain the access times and modified times of files. 
D)  Directories may contain a "type" field that specifies a description of a file's purpose.

Question 13

A file system's metadata may contain ________.

Accepted Answer

A)  the locations of a storage device's free blocks 
B)  the time at which a file was last modified 
C)  both a and b 
D)  none of the above 
A)  the locations of a storage device's free blocks 
B)  the time at which a file was last modified 
C)  both a and b 
D)  none of the above

Question 14

A database system includes ________.

Accepted Answer

A)  the data in the database. 
B)  the hardware on which the data resides. 
C)  the software that controls access to the data. 
D)  all of the above 
A)  the data in the database. 
B)  the hardware on which the data resides. 
C)  the software that controls access to the data. 
D)  all of the above

Question 15

Which one of the following statements about file servers and distributed systems is false?

Accepted Answer

A)  In an NFS network, each computer maintains a file system that can act as a server and/or a client. 
B)  NFS networks must contain computers running the same operating system. 
C)  A file server is a computer system dedicated to resolving intercomputer file references. 
D)  A distributed file system enables users to treat remote files in a computer network in much the same manner as local files. 
A)  In an NFS network, each computer maintains a file system that can act as a server and/or a client. 
B)  NFS networks must contain computers running the same operating system. 
C)  A file server is a computer system dedicated to resolving intercomputer file references. 
D)  A distributed file system enables users to treat remote files in a computer network in much the same manner as local files.

Question 16

Bitmaps allow the file type to ________ quickly; free lists enable the file system to ________ quickly.

Accepted Answer

A)  find the first available block, find contiguous blocks 
B)  find contiguous blocks, defragment the file system 
C)  find contiguous blocks, find the next available block 
D)  find the next available block, find contiguous blocks 
A)  find the first available block, find contiguous blocks 
B)  find contiguous blocks, defragment the file system 
C)  find contiguous blocks, find the next available block 
D)  find the next available block, find contiguous blocks

Question 17

The type of file system on a storage device is often specified by the ________ in the ________.

Accepted Answer

A)  file system name, root directory 
B)  file system identifier, superblock 
C)  file system identifier, root directory 
D)  file system name, root directory 
A)  file system name, root directory 
B)  file system identifier, superblock 
C)  file system identifier, root directory 
D)  file system name, root directory

Question 18

A file is ________.

Accepted Answer

A)  is a named collection of data 
B)  is manipulated as a unit by operations such as open, close, create or destroy 
C)  stored exclusively on persistent storage devices such as hard disks, CDs or DVDs 
D)  a and b only 
A)  is a named collection of data 
B)  is manipulated as a unit by operations such as open, close, create or destroy 
C)  stored exclusively on persistent storage devices such as hard disks, CDs or DVDs 
D)  a and b only

Question 19

myFile.txt is an example of a ________, whereas "disk 2, blocks 782-791" is an example of a ________.

Accepted Answer

A)  physical device name, logical device name 
B)  physical device name, symbolic name 
C)  logical device name, physical device name 
D)  symbolic name, physical device name 
A)  physical device name, logical device name 
B)  physical device name, symbolic name 
C)  logical device name, physical device name 
D)  symbolic name, physical device name

Question 20

In a file with variable-length records, records may vary in size up to the ________ size.

Accepted Answer

A)  word 
B)  record 
C)  block 
D)  field 
A)  word 
B)  record 
C)  block 
D)  field

Exam 13: Understanding File Systems and Database Systems: a Comprehensive Overview

The ________ path to a file is the path beginning at the root.

If an error occurs that prevents a transaction from completing, transaction-based logging allows the system to "________" the system to the state before the transaction began.

Contiguous file allocation is inappropriate for general-purpose file systems because ________.

In a hierarchically structured file system, the name of a file is formed by the pathname from the ________ to the file.

What typically happens when a file system's mount point contains directories of the native file system?

Which one of the following statements about links is false?

The ________ file organization scheme places records on disk in logical sequence according to a key contained in each record.

Memory-mapped files ________.

The role of a data manipulation language (DML) is ________.

A file system is responsible for ________.

Which one of the following statements about free space management techniques is false?

Which of the following statements about directories is false?

A file system's metadata may contain ________.

A database system includes ________.

Which one of the following statements about file servers and distributed systems is false?

Bitmaps allow the file type to ________ quickly; free lists enable the file system to ________ quickly.

The type of file system on a storage device is often specified by the ________ in the ________.

A file is ________.

myFile.txt is an example of a ________, whereas "disk 2, blocks 782-791" is an example of a ________.

In a file with variable-length records, records may vary in size up to the ________ size.

Exploring Operating Systems and Distributed Computing: a Comprehensive Overview

Understanding Computer Systems and Programming Concepts

Understanding Processes and Threads in Operating Systems

Exploring Semaphores and Multithreading in Operating Systems

Exploring Thread Synchronization and Mutual Exclusion in Java

Concurrency and Deadlock in Database Systems: Exploring Monitor Implementation and Thread Synchronization in Java

Operating System Scheduling and Deadlock Prevention: a Comprehensive Guide

Understanding Processor Scheduling and Memory Management in Operating Systems

Memory Management in Operating Systems: Segmentation, Paging, and Strategies for Efficiency

Memory Management and Address Translation in Operating Systems

Memory Management and Page Replacement Strategies in Operating Systems

Disk Storage and Raid Technology

Exploring Performance Evaluation and Benchmarking in Computer Systems

Understanding Multiprocessor Organizations and System Performance

Understanding the Layers of the TCP/IP Protocol Stack

Understanding Distributed Systems and Operating Systems

Exploring Distributed File Systems and Grid Computing With NFS, AFS, Coda, and JXTA

Security Threats and Solutions in Cryptography and Access Control

Exploring the Linux Operating Systems Features and Functionality

In-Depth Analysis of Windows XP

Filters

Bitmaps allow the file type to quickly; free lists enable the file system to quickly.

The type of file system on a storage device is often specified by the in the .

myFile.txt is an example of a , whereas "disk 2, blocks 782-791" is an example of a .