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Question 51
An administrator needs to look at a log for an application on a systemd-based system. There is no log for this application in /var/log. Which of the following is another way to view the application log on this system?
- A: tail -f /var/log/secure
- B: journalctl ג€"u application
- C: systemctl application.service
- D: watch /var/lib/application/
Question 52
Which of the following is true about Type 2 hypervisors?
- A: Type 2 hypervisors run on top of another general purpose OS.
- B: Type 2 hypervisors are often called bare-metal or native hypervisors.
- C: Type 2 hypervisors offer a performance increase to the guests in comparison to a Type 1 hypervisor.
- D: Only Type 2 hypervisors allow direct access to CPU virtualization features.
Question 53
A Linux administrator is testing connectivity to a remote host on a shared terminal. The administrator wants to allow other users to access the terminal while the command is executing.
Which of the following commands should the administrator use?
- A: bg ping remotehost
- B: fg ping remotehost
- C: ping remotehost < results
- D: ping remotehost &
Question 54
A security administrator wants to display a warning banner before a user logs in. Which of the following files must be edited to make this happen?
- A: /etc/services
- B: /etc/issue
- C: /etc/hosts
- D: /etc/motd
Question 55
Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/sdc with /dev/sdd while editing a file in vi?
- A: :s//dev/sdc//dev/sdd
- B: :s/\/dev\/sdc/\/dev\/sdd/g
- C: :s/\/dev\/sdc/\/dev\/sdd
- D: :%s/\/dev\/sdc/\/dev\/sdd
Question 56
A user needs to modify the IP address of a laptop. Which of the following files can be used to configure the network interface named eth0?
- A: /etc/sysconfig/network/interfaces.cnf
- B: /system/config/interfaces
- C: /etc/sysconfig/network-scripts/ifcfg-eth0
- D: /system/networking/ifconfig
- E: /etc/interfaces/eth0.conf
Question 57
A user wants to use terminal services from a Windows workstation to manage a Linux server. Which of the following should be installed on the Linux server to enable this functionality?
- A: VNC
- B: rdesktop
- C: SPICE
- D: XRDP
Question 58
On a UEFI-based system, which of the following invokes GRUB2 from the EFI command prompt?
- A: boot//EFI/grub2.efi
- B: EFI/grub2.efi
- C: /boot/EFI/grub2.efi
- D: /grub2.efi
Question 59
A systems administrator notices a large number of autoloaded device modules are no longer needed and decides to do a cleanup of them. Which of the following commands will accomplish this task?
- A: rmmod -c
- B: depmod -r
- C: insmod -c
- D: modprobe -r
Question 60
A Linux administrator looks at the /etc/timezone file and determines the need to change the time zone from California to New York temporarily. Which of the following commands will accomplish this?
- A: sed -f TZ=America/New_York
- B: cat TZ=America/New_York
- C: export TZ=America/New_York
- D: printf TZ=America/New_York
Question 61
A user has been locked out of an account due to too many failed password attempts. Which of the following commands will unlock the user's account?
- A: pam_tally2 --user=user --reset
- B: passwd -u user -G root
- C: usermod -u user -G root
- D: chage -1 user=user --reset
Question 62
A systems administrator receives a report that the web server is not running after a planned system reboot. After starting the web server manually, which of the following commands should the administrator issue to ensure the web server starts at boot time?
- A: systemctl service on
- B: systemctl enable <name>.service
- C: systemctl service enable
- D: systemctl on <name>.service
Question 63
A Linux administrator needs to switch from text mode to GUI. Which of the following runlevels will start the GUI by default?
- A: Runlevel 3
- B: Runlevel 4
- C: Runlevel 5
- D: Runlevel 6
Question 64
A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet. To accomplish this task, the technician executes the following command: echo 0 > /proc/sys/net/ipv4/ip_default_ttl
Which of the following commands can the technician use to confirm the expected results? (Choose two.)
- A: tcpdump
- B: traceroute
- C: route
- D: iperf
- E: ip
- F: arp
Question 65
An administrator needs to create a file named hello in the home directory that contains the following text: it's me!
Which of the following commands would accomplish this goal?
- A: mkdir ~/hello touch ~/"it's me!"
- B: touch ~/hello echo "it's me!" > ~/hello
- C: mv ~/hello cp "it's me!" > ~/hello
- D: type ~/hello print "it's me!"
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