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ITN 170 NVCC EXAM QUESTIONS WITH 100% ACCURATE SOLUTIONS, Exams of Computer Networks

Northern Virginia Community CollegeComputer Networks

ITN 170 NVCC EXAM QUESTIONS WITH 100% ACCURATE SOLUTIONS

Typology: Exams

2024/2025

Available from 06/08/2025

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ITN 170 NVCC EXAM QUESTIONS WITH 100% ACCURATE
SOLUTIONS
1) CD-ROMs typically use the ____ filesystem type. -- Answer โœ”โœ” iso9660
2) Can CD-ROMs be ejected from the CD-ROM drive before the CD-ROM is properly
unmounted? -- Answer โœ”โœ” False
3) To view the size of a directory and its contents in Kilobytes, you can use the du
command. -- Answer โœ”โœ” True
4) The more filesystems that are used on a system, the less likely a corrupted filesystem
will interfere with normal system operations. -- Answer โœ”โœ” True
5) If you find a corrupted device file, or accidentally delete a device file, the
____________________ command can be used to re-create the device file if you
know the type, major, and minor numbers. -- Answer โœ”โœ” True
6) If you find a corrupted device file, or accidentally delete a device file, the
____________________ command can be used to re-create the device file if you
know the type, major, and minor numbers. -- Answer โœ”โœ” mknod
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Download ITN 170 NVCC EXAM QUESTIONS WITH 100% ACCURATE SOLUTIONS and more Exams Computer Networks in PDF only on Docsity!

ITN 170 NVCC EXAM QUESTIONS WITH 100% ACCURATE

SOLUTIONS

  1. CD-ROMs typically use the ____ filesystem type. -- Answer โœ”โœ” iso
  2. Can CD-ROMs be ejected from the CD-ROM drive before the CD-ROM is properly unmounted? -- Answer โœ”โœ” False
  3. To view the size of a directory and its contents in Kilobytes, you can use the du command. -- Answer โœ”โœ” True
  4. The more filesystems that are used on a system, the less likely a corrupted filesystem will interfere with normal system operations. -- Answer โœ”โœ” True
  5. If you find a corrupted device file, or accidentally delete a device file, the ____________________ command can be used to re-create the device file if you know the type, major, and minor numbers. -- Answer โœ”โœ” True
  6. If you find a corrupted device file, or accidentally delete a device file, the ____________________ command can be used to re-create the device file if you know the type, major, and minor numbers. -- Answer โœ”โœ” mknod
  1. If you do not know the type, major, or minor number of a device, you can use the ____ command to re-create the device based on the common name. -- Answer โœ”โœ” /dev/MAKEDEV
  2. If a device is mounted to a directory that contains files, are those files temporarily covered up until the device is unmounted? -- Answer โœ”โœ” False
  3. The easiest method for monitoring free space by mounted filesystems is to use the ____ command. -- Answer โœ”โœ” df
  4. Devices that transfer data in a character-by-character fashion are referred to as ____ devices. -- Answer โœ”โœ” character
  5. The ____ filesystem contains most of the operating system files. -- Answer โœ”โœ” root
  6. Is ext3 the traditional filesystem used on Linux? -- Answer โœ”โœ” False
  7. After a typical Fedora Linux installation, over 700 different device files are in the /dev directory. -- Answer โœ”โœ” True
  8. When a device is mounted, it is attached to a certain directory on the directory tree called a(n) mount point. -- Answer โœ”โœ” True
  9. An extended partition can contain many subpartitions called ____________________. -- Answer โœ”โœ” logical drives
  1. Creating a filesystem on a device is commonly referred to as ____________________. -- Answer โœ”โœ” formatting
  2. Data is read off of hard disks in concentric circles called ____. -- Answer โœ”โœ” tracks
  3. To format a filesystem with a specified filesystem type, you can use the ____ option with the mkfs command. -- Answer โœ”โœ” - t
  4. To create partitions after installation, you can use the ____ command. -- Answer โœ”โœ” fdisk
  5. Directory that stores device files. -- Answer โœ”โœ” /dev
  6. Indicates a particular device. -- Answer โœ”โœ” minor number
  7. File on the hard disk representing a device on a Linux system. -- Answer โœ”โœ” device file
  8. Command used to create modify filesystem parameters. -- Answer โœ”โœ” tune2fs
  9. The first readable sector of a hard disk, where partition definitions are stored. -- Answer โœ”โœ” MBR
  10. File that contains a list of devices that are currently used on the system and their major numbers. -- Answer โœ”โœ” /proc/devices
  1. Rigid quota limits that the user cannot exceed. -- Answer โœ”โœ” hard limits
  2. Points to the device driver for a device in the Linux kernel. -- Answer โœ”โœ” major number
  3. Hard disk quotas that the user can exceed for a certain period of time. -- Answer โœ”โœ” soft limit
  4. When you insert a DVD while in a GUI environment, it is automatically mounted by the system to a directory underneath the /media directory that is named for the label on the DVD. -- Answer โœ”โœ” True
  5. At installation, Fedora Linux creates a symbolic link called ____________________ to the correct device file for your first CD-ROM drive. -- Answer โœ”โœ” /dev/cdrom
  6. Each track on a hard disk is divided into ____________________ of information. -
  • Answer โœ”โœ” sectors
  1. PATA hard disk drives typically have faster data transfer speeds, and most systems allow for the connection of more than four such hard disks. -- Answer โœ”โœ” False
  2. There can be multiple device files per device. -- Answer โœ”โœ” False
  3. Can several different devices share the same major number? -- Answer โœ”โœ” False
  1. Up to 100,000 Serial Attached SCSI hard disks can be connected to a single SCSI controller via serial cables with small serial connectors. -- Answer โœ”โœ” False
  2. The highest priority SCSI device is given a SCSI ID of ____. -- Answer โœ”โœ” 7
  3. The ____ standard support speeds of up to 80 MB/second. -- Answer โœ”โœ” SCSI- 3 Ultra2 Wide
  4. It is good form to check the installation log files after installation as well as verify settings on the system after installation to ensure that all hardware was detected with the correct values. -- Answer โœ”โœ” True
  5. RAID level 4 configurations are not fault tolerant. -- Answer โœ”โœ” False
  6. The BIOS configurations on different computers are generally very similar or exactly the same. -- Answer โœ”โœ” False
  7. You can use a small bootable Linux kernel to fix problems related to the following: the boot loader; filesystems and partitions; the configuration file; and drivers. -- Answer โœ”โœ” True
  8. A Fedora 13 CD installation requires ____ CDs. -- Answer โœ”โœ” six
  9. Any line in a kickstart file that starts with a(n) ____ symbol is a comment line and is ignored by the installation program. -- Answer โœ”โœ” #
  1. If a Linux installation ends abnormally and the screen displays a "fatal signal ____" error message, it indicates an error known as a segmentation fault. -- Answer โœ”โœ” 11
  2. When you use disk imaging software to write a Linux ISO image onto a USB flash drive, the filesystem existing on the flash drive is maintained. -- Answer โœ”โœ” False
  3. Fault tolerant hard disk configurations are typically implemented by a(n) _____________________________________________. -- Answer โœ”โœ” RAID
  4. If you have an installed Linux system, you can use the ____________________ command to write an ISO image to a USB flash memory drive. -- Answer โœ”โœ” dd
  5. To view the hardware detected during boot time, you can use the ____________________ command after system startup. -- Answer โœ”โœ” dmesg
  6. The ____ file in the /proc directory contains statistics on the performance of the processor. -- Answer โœ”โœ” loadavg
  7. To ensure that Linux has detected the correct amount of RAM in the system after installation, you can view the contents of the ____ file. -- Answer โœ”โœ” /proc/meminfo
  8. ____ installation log file(s) is/are created by the Fedora installation program. -- Answer โœ”โœ” Two
  1. File that contains a list of packages that were installed as well as a list of those that were not installed. -- Answer โœ”โœ” /root/install.log
  2. A type of RAID level 0 that consists of two hard disks that are seen as one large volume. -- Answer โœ”โœ” spanning
  3. A unique identifier for each device attached to any given node in a SCSI chain. -- Answer โœ”โœ” Logical Unit Number (LUN)
  4. File that lists all of the system events that occurred during the installation, such as the creation of user and group accounts. -- Answer โœ”โœ” /root/install.log.syslog
  5. A version of RAID controlled by the system BIOS. -- Answer โœ”โœ” firmware RAID
  6. A protocol that may be used to install Fedora via a network. -- Answer โœ”โœ” network file system
  7. A type of RAID level 0 in which an individual file is divided into section and saved concurrently on multiple disks. -- Answer โœ”โœ” disk striping
  8. The situation in which a program has accessed an area of RAM that was not assigned. -- Answer โœ”โœ” segmentation fault
  9. To perform a Linux installation over a network, you can connect to a server with the appropriate installation files via FTP. -- Answer โœ”โœ” True
  1. Normally, kickstart files are text files. -- Answer โœ”โœ” True
  2. Can you use a Kickstart Configurator to make major changes to a kickstart file? -- Answer โœ”โœ” False
  3. RAID level 3 requires a minimum of three hard disk drives to function. -- Answer โœ”โœ” True
  4. To see a list of the environment variables and their current values on a system, you can use the ____ command. -- Answer โœ”โœ” Set
  5. The _______ escape sequence represents a form feed -- Answer โœ”โœ” \f
  6. Users can create their own custom variables, called shell variables. -- Answer โœ”โœ” false
  7. The ____ environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH. -- Answer โœ”โœ” /etc/profile
  8. Any command that can be executed on the command line can also be placed inside any environment file. -- Answer โœ”โœ” True
  9. The file descriptor stdin is represented by the number ____. -- Answer โœ”โœ” 0
  1. If you have ____ permission to a shell script, you can execute the shell script like any other executable program on the system. -- Answer โœ”โœ” read and execute
  2. To prevent a file from being cleared by the BASH shell and append output to the existing output, you can specify three > metacharacters alongside the file descriptor. -- Answer โœ”โœ” False
  3. Can you combine redirection and piping together? -- Answer โœ”โœ” True
  4. You can send the standard output of one command to another command as standard input using the ____ shell metacharacter. -- Answer โœ”โœ” |
  5. The ____ command can be used to extract, manipulate, and format text using pattern-action statements. -- Answer โœ”โœ” awk
  6. Given the syntax command && command, the command on the left of the && construct is executed only if the command on the right of the && construct completed successfully. -- Answer โœ”โœ” false
  7. The ____ command can be used to replace characters in a file sent via Standard Input. -- Answer โœ”โœ” tr
  8. The BASH shell assumes stdout in the absence of a numeric file descriptor. -- Answer โœ”โœ” True
  1. When performing a pipe, do you need to have spaces around the | metacharacter? -- Answer โœ”โœ” false
  2. Aliases are shortcuts to commands stored in special variables that can be created and viewed using the alias command. -- Answer โœ”โœ” True
  3. In a decision construct, you can have an unlimited number of if then statements. -
  • Answer โœ”โœ” False
  1. To see a list of all exported environment and user-defined variables in the shell, you can use the ____ command. -- Answer โœ”โœ” env
  2. You can redirect a file to the standard input of a command using the ____ metacharacter. -- Answer โœ”โœ” <
  3. A filter command that takes information from standard input and sends that information to a file, as well as to standard output. -- Answer โœ”โœ” Tee
  4. Constructs that alter the flow of a program based on whether a command in the program completed successfully or based on a decision that the user makes given a question posed by the program. -- Answer โœ”โœ” decision construct
  5. The normal output of a command. -- Answer โœ”โœ” stdout
  1. Most configuration files on Linux systems are delimited using ____ characters. -- Answer โœ”โœ” colon
  2. You are limited to using one pipe | metacharacter on the command line to pipe information from one command to another command. -- Answer โœ”โœ” False
  3. Can the redirection shell metacharacter be used to redirect between a command and another command? -- Answer โœ”โœ” False
  4. Can you combine redircetion and piping together -- Answer โœ”โœ” False