CCNA Cyber Ops FAQ: Linux- and Mac OS X–Based Analysis
Q1. Which process type occurs when a parent process is terminated and the remaining child process is permitted to continue on its own?
A. Zombie process
B. Orphan process
C. Rogue process
D. Parent process
Q2. A zombie process occurs when which of the following happens?
A. A process holds its associated memory and resources but is released from the entry table.
B. A process continues to run on its own.
C. A process holds on to associated memory but releases resources.
D. A process releases the associated memory and resources but remains in the entry table.
Q3. What is the best explanation of a fork (system call) in UNIX?
A. When a process is split into multiple processes
B. When a parent process creates a child process
C. When a process is restarted from the last run state
D. When a running process returns to its original value
Q4. Which of the following shows giving permissions to the group owners for read and execute, giving file owner permission for read, write, and execute, and giving all others permissions for execute?
Q5. Which is a correct explanation of daemon permissions?
A. Daemons run at root-level access.
B. Daemons run at super user–level access.
C. Daemons run as the in it process.
D. Daemons run at different privileges, which are provided by their parent process.
Q6. Which of the following is not true about symlinks?
A. A symlink will cause a system error ifthe file it points to is removed.
B. Showing the contents of a symlink will display the contents of what it points to.
C. An orphan symlink occurs when the link a symlink points to doesn’t exist.
D. A symlink is a reference to a file or directory.
Q7. What is a daemon?
A. A program that manages the system’s motherboard
B. A program that runs other programs
C. A computer program that runs as a background process rather than being under direct control of an interactive user
D. The only program that runs in the background of a UNIX system
Q8. Which priority level of logging will be sent if the priority level is err?
B. err, warning, notice, info, debug, none
C. err, alert, emerg
D. err, crit, alert, emerg
Q9. Which of the following is an example of a facility?
Q10. Which security technology would be best for detecting a pivot attack?
A. Virtual private network (VPN)
B. Host-based antivirus
C. NetFlow solution looking for anomalies within the network
D. Application layer firewalls
Q11. Which of the following statements is not true about a daemon process?
A. A daemon is a process that runs in the background.
B. A daemon’s parent process is typically the in it process.
C. Daemons are controlled by the active user.
D. Not all daemons are automatically started.
Q12. Apache will send diagnostic information and record any errors that it encounters to which of B the following?
Q13. Which of the following explains the file permissions for -rwx-rwx-x?
A. The owner has read, write, and execution permissions; the group has read, write and execution permissions; everybody else has read permission.
B. The owner has read and execution permissions; the group has read, write, and execution permissions; everybody else has write permission.
C. The owner has read, write, and execution permissions; the group has read, write, and execution permissions; everybody else has execution permission.
D. The group has read, write, and execution permissions; the owner has read, write, and execution permissions; everybody else has execution permission.
Q14. Which is a true statement about a symlink?
A. Deleting the symlink file deletes the file it references.
B. Moving a file referenced by a symlink will cause a system error.
C. Symlinks are the same as pointers.
D. A symlink is also known as a soft link.
Q15. Which log type would be used for recording changes in a SQL database?
A. Transaction logs
B. Alert logs
C. Session logs
D. Threat logs
Q16. Which process has a PID of1?
Q17. When issuing the command ls -l (filename), what is the correct order of user permissions?
A. group, owner, everybody else
B. everybody else, group, owner
C. owner, everybody else, group
D. owner, group, everybody else
Q18. Which command can change the file owner?
Q19. Which of the following explains Linux daemon permissions?
A. Daemons get permissions from the init process.
B. Daemons get permissions from a parent process.
C. Daemons are always the highest level of permissions.
D. Daemons and the init are the same thing.
Q20. Where is the UNIX log located?