Last Updated on May 30, 2019 by Admin
CCNA Cybersecurity Operations (Version 1.1) – CyberOps Chapter 3 Exam Online 2019
CCNA CyberOps 1.1 -- Chapter 3 Exam
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CCNA CyberOps 1.1 -- Chapter 3 Exam
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Question 1 of 25
1. Question
1 pointsWhy would a network administrator choose Linux as an operating system in the Security Operations Center (SOC)?Correct
Incorrect
There are several reasons why Linux is a good choice for the SOC.Linux is open source. The command line interface is a very powerful environment. The user has more control over the operating system. Linux allows for better network communication control.
Hint
There are several reasons why Linux is a good choice for the SOC.Linux is open source. The command line interface is a very powerful environment. The user has more control over the operating system. Linux allows for better network communication control. -
Question 2 of 25
2. Question
1 pointsWhich type of tool allows administrators to observe and understand every detail of a network transaction?Correct
Incorrect
Network packet capture software is an important tool because it makes it possible to observe and understand the details of a network transaction.
Hint
Network packet capture software is an important tool because it makes it possible to observe and understand the details of a network transaction. -
Question 3 of 25
3. Question
1 pointsA Linux system boots into the GUI by default, so which application can a network administrator use in order to access the CLI environment?Correct
Incorrect
A terminal emulator is an application program a user of Linux can use in order to access the CLI environment.
Hint
A terminal emulator is an application program a user of Linux can use in order to access the CLI environment. -
Question 4 of 25
4. Question
1 pointsWhich Linux command can be used to display the name of the current working directory?Correct
Incorrect
One of the most important commands in Linux is the pwd command, which stands for print working directory. It shows users the physical path for the directory they are working in.
Hint
One of the most important commands in Linux is the pwd command, which stands for print working directory. It shows users the physical path for the directory they are working in. -
Question 5 of 25
5. Question
1 pointsHow is a server different from a workstation computer?Correct
Incorrect
Servers provide services such as file management, email, web pages, log management, financial transactions, databases, and more.
Hint
Servers provide services such as file management, email, web pages, log management, financial transactions, databases, and more. -
Question 6 of 25
6. Question
1 pointsRefer to the exhibit. Which well-known port number is used by the server?Correct
Incorrect
SSH is a protocol that is used to securely access a remote network device. The well-known port number used by SSH is 22.
Hint
SSH is a protocol that is used to securely access a remote network device. The well-known port number used by SSH is 22. -
Question 7 of 25
7. Question
1 pointsWhat is the well-known port address number used by DNS to serve requests?Correct
Incorrect
Port numbers are used in TCP and UDP communications to differentiate between the various services running on a device. The well-known port number used by DNS is port 53.
Hint
Port numbers are used in TCP and UDP communications to differentiate between the various services running on a device. The well-known port number used by DNS is port 53. -
Question 8 of 25
8. Question
2 pointsWhich two methods can be used to harden a computing device? (Choose two.)Correct
Incorrect
The basic best practices for device hardening are as follows: Ensure physical security. Minimize installed packages. Disable unused services. Use SSH and disable the root account login over SSH. Keep the system updated. Disable USB auto-detection. Enforce strong passwords. Force periodic password changes. Keep users from reusing old passwords. Review logs regularly.
Hint
The basic best practices for device hardening are as follows: Ensure physical security. Minimize installed packages. Disable unused services. Use SSH and disable the root account login over SSH. Keep the system updated. Disable USB auto-detection. Enforce strong passwords. Force periodic password changes. Keep users from reusing old passwords. Review logs regularly. -
Question 9 of 25
9. Question
1 pointsWhich command can be utilized to view log entries of NGINX system events in real time?Correct
Incorrect
The journalctl command supports mixing options to achieve a desired filter set. The –u option allows filtering on the desired unit, whereas the –f option follows the specific log, thus monitoring the event in real time.
Hint
The journalctl command supports mixing options to achieve a desired filter set. The –u option allows filtering on the desired unit, whereas the –f option follows the specific log, thus monitoring the event in real time. -
Question 10 of 25
10. Question
1 pointsConsider the result of the ls -l command in the Linux output below. What are the file permissions assigned to the sales user for the analyst.txt file? ls –l analyst.txt -rwxrw-r-- sales staff 1028 May 28 15:50 analyst.txtCorrect
Incorrect
The file permissions are always displayed in the User, Group and Other order. In the example displayed, the file has the following permissions: The dash (-) means that this is a file. For directories, the first dash would replaced with a "d". The first set of characters is for user permission (rwx). The user, sales, who owns the file can read, write and execute the file. The second set of characters is for group permissions (rw-). The group, staff, who owns the file can read and write to the file. The third set of characters is for any other user or group permissions (r--). Any other user or group on the computer can only read the file.
Hint
The file permissions are always displayed in the User, Group and Other order. In the example displayed, the file has the following permissions: The dash (-) means that this is a file. For directories, the first dash would replaced with a "d". The first set of characters is for user permission (rwx). The user, sales, who owns the file can read, write and execute the file. The second set of characters is for group permissions (rw-). The group, staff, who owns the file can read and write to the file. The third set of characters is for any other user or group permissions (r--). Any other user or group on the computer can only read the file. -
Question 11 of 25
11. Question
1 pointsWhich user can override file permissions on a Linux computer?Correct
Incorrect
A user has as much rights to a file as the file permissions allow. The only user that can override file permission on a Linux computer is the root user. Because the root user has the power to override file permissions, the root user can write to any file.
Hint
A user has as much rights to a file as the file permissions allow. The only user that can override file permission on a Linux computer is the root user. Because the root user has the power to override file permissions, the root user can write to any file. -
Question 12 of 25
12. Question
1 pointsWhich Linux file system introduced the journaled file system, which can be used to minimize the risk of file system corruption in the event of a sudden power loss?Correct
Incorrect
The ext3 file system is considered a journaled file system that was designed to improve the existing ext2 file system. A journal, the main feature added to ext3, is a technique used to minimize the risk of file system corruption in the event of sudden power loss.
Hint
The ext3 file system is considered a journaled file system that was designed to improve the existing ext2 file system. A journal, the main feature added to ext3, is a technique used to minimize the risk of file system corruption in the event of sudden power loss. -
Question 13 of 25
13. Question
1 pointsWhich file system is the primary file system used by Apple in current Macintosh computers?Correct
Incorrect
The primary file system used by Apple in its lates Macintosh computers is APFS.
Hint
The primary file system used by Apple in its lates Macintosh computers is APFS. -
Question 14 of 25
14. Question
1 pointsWhat is the main purpose of the X Window System?Correct
Incorrect
The X Window System provides the basic framework for a GUI, but the GUI itself varies greatly between different distributions.
Hint
The X Window System provides the basic framework for a GUI, but the GUI itself varies greatly between different distributions. -
Question 15 of 25
15. Question
1 pointsWhat is a purpose of apt-get commands?Correct
Incorrect
The Advanced Packaging Tool (apt) package manager is used to update the operating system. The apt-get update command is used to search and obtain the package list from a repository and update the local package database.
Hint
The Advanced Packaging Tool (apt) package manager is used to update the operating system. The apt-get update command is used to search and obtain the package list from a repository and update the local package database. -
Question 16 of 25
16. Question
1 pointsWhich Linux command is used to manage processes?Correct
Incorrect
The kill command is used to stop, restart, or pause a process. The chrootkit command is used to check the computer for rootkits, a set of software tools that can increase the privilege level of a user or grant access to portions of software normally not allowed. The grep command is used to look for a file or text within a file. The ls command is used to list files, directories, and file information.
Hint
The kill command is used to stop, restart, or pause a process. The chrootkit command is used to check the computer for rootkits, a set of software tools that can increase the privilege level of a user or grant access to portions of software normally not allowed. The grep command is used to look for a file or text within a file. The ls command is used to list files, directories, and file information. -
Question 17 of 25
17. Question
2 pointsWhich two Linux commands might be used before using the kill command? (Choose two.)Correct
Incorrect
The ps or top command might be used before using the kill command to discover the process ID (PID) for the specific process.
Hint
The ps or top command might be used before using the kill command to discover the process ID (PID) for the specific process. -
Question 18 of 25
18. Question
1 pointsWhat is the purpose of a Linux package manager?Correct
Incorrect
A package is a specific program and all of the files needed to run that application. A package manager is used to install a package and place all the associated files in the correct location within the operating system.
Hint
A package is a specific program and all of the files needed to run that application. A package manager is used to install a package and place all the associated files in the correct location within the operating system. -
Question 19 of 25
19. Question
1 pointsWhat term is used for operating system updates?Correct
Incorrect
Operating system updates, also known as patches, are provided by companies that create the operating system. A user can check for operating system updates at any time. In a Linux GUI environment, the Dash Search Box can be used to search for the Software Updater icon.
Hint
Operating system updates, also known as patches, are provided by companies that create the operating system. A user can check for operating system updates at any time. In a Linux GUI environment, the Dash Search Box can be used to search for the Software Updater icon. -
Question 20 of 25
20. Question
1 pointsWhy is Linux considered to be better protected against malware than other operating systems?Correct
Incorrect
The Linux operating design including how the file system is structured, standard file permissions, and user account restrictions make Linux a better protected operating system. However, Linux still has vulnerabilities and can have malware installed that affects the operating system.
Hint
The Linux operating design including how the file system is structured, standard file permissions, and user account restrictions make Linux a better protected operating system. However, Linux still has vulnerabilities and can have malware installed that affects the operating system. -
Question 21 of 25
21. Question
1 pointsWhat term describes a set of software tools designed to increase the privileges of a user or to grant access to the user to portions of the operating system that should not normally be allowed?Correct
Incorrect
A rootkit is used by an attacker to secure a backdoor to a compromised computer, grant access to portions of the operating system normally not permitted, or increase the privileges of a user.
Hint
A rootkit is used by an attacker to secure a backdoor to a compromised computer, grant access to portions of the operating system normally not permitted, or increase the privileges of a user. -
Question 22 of 25
22. Question
1 pointsWhat is the method employed by a Linux kernel to create new processes for multitasking of a process?Correct
Incorrect
Multitasking operating systems are required to execute several processes at the same time. Forking is a method that the kernel uses to allow a process to create a copy of itself.
Hint
Multitasking operating systems are required to execute several processes at the same time. Forking is a method that the kernel uses to allow a process to create a copy of itself. -
Question 23 of 25
23. Question
4 pointsMatch typical Linux log files to the function.
Sort elements
- /var/log/secure
- /var/log/messages
- /var/log/dmesg
- /var/log/auth.log
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used by RedHat and CentOS computers and tracks authentication-related events
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contains generic computer activity logs, and is used to store informational and noncritical system messages
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stores information related to hardware devices and their drivers
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used by Debian and Ubuntu computers and stores all authentication-related events
Correct
Incorrect
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Question 24 of 25
24. Question
4 pointsMatch the file system term used in Linux to the function.
Sort elements
- ext4
- journaling
- swap file system
- MBR
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supports increased file sizes
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minimizes file corruption risk in the event of power loss
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provides hard drive space that holds inactive RAM content
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stores information about how the file system is organized
Correct
Incorrect
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Question 25 of 25
25. Question
3 pointsMatch the description to the Linux term. (Not all options are used.)
Sort elements
- daemon
- hardening
- symlink
- logging
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a running background process that does not need user interaction
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protecting remote access
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a type of file that is a reference to another file or directory
Correct
Incorrect