3.2 Identify Components of an Operating System (such as Windows and Linux) in a Given Scenario 200-201 Practice Questions (Page 10)

Questions 46–49

1. 46application · medium

   A Linux administrator needs to allow a specific user to read a log file that is currently owned by root with permissions 640. The administrator wants to grant read access without changing the file's group or using sudo. Which action will accomplish this?

   • AChange the file's owner to the user
   • BAdd the user to the group that owns the file
   • CSet the setuid bit on the file
   • DCreate a symbolic link to the file in the user's home directory
   Reveal Solution Discussion Select an answer first
2. 47expert · hard

   A Linux server is experiencing intermittent performance degradation. The analyst observes that a process named 'worker' is consuming high CPU, but only at certain times. The analyst runs 'ps -eLf' and sees multiple lines for the same PID with different LWP numbers. The analyst also notices that the process's memory usage (RSS) is stable. Which conclusion is most accurate?

   • AThe process is multi-threaded, and the high CPU is likely from one or more threads, not the entire process
   • BThe process is experiencing a memory leak, causing the high CPU
   • CThe process is forking multiple child processes, each with its own PID
   • DThe process is being throttled by the kernel's scheduler
   Reveal Solution Discussion Select an answer first
4. 48application · medium

   A Linux administrator wants to run a command as the root user without logging in as root. The administrator has sudo privileges. Which command will execute the command with root privileges?

   • Achmod command
   • Bsu command
   • Cchown command
   • Dsudo command
   Reveal Solution Discussion Select an answer first
5. 49foundation · easy

   In Windows, what is the purpose of a user group?

   • ATo store user passwords in an encrypted format
   • BTo limit the number of users who can log on simultaneously
   • CTo provide a separate file system for each user
   • DTo assign permissions and rights to multiple users at once
   Reveal Solution Discussion Select an answer first