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NEW QUESTION # 80
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information?
(Specify ONLY the option without any values or parameters.)
Answer:
Explanation:
server
NEW QUESTION # 81
Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?
- A. 0 0-23 * * 30 myscript
- B. 30 0 * * 0 myscript
- C. 30 0-23 * * 0 myscript
- D. 30 * * * 6 myscript
- E. 0 * * * 30 myscript
Answer: C
NEW QUESTION # 82
How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28?
(Specify the number only without any additional information.)
Answer:
Explanation:
14
NEW QUESTION # 83
In the output of iptables -L -n is the line ACCEPT all - - 10.69.70.5 0.0.0.0/0 listed under the INPUT chain.
What does this line mean?
- A. That all traffic from 0.0.0.0/0 to 10.69.70.5 is explicitly allowed
- B. TCP traffic to 10.69.70.5 with all of the TCP flags is allowed
- C. All traffic from 10.69.70.5 to anywhere is allowed
- D. The ACCEPT chain is responsible for all traffic from 10.69.70.1 to 0.0.0.0
Answer: C
NEW QUESTION # 84
Which of the following details is NOT provided in any output from the netstat utility?
- A. interface statistics
- B. masquerading connections
- C. routing tables
- D. broadcast services
- E. network connections
Answer: D
NEW QUESTION # 85
Which of the following states can NetworkManager show regarding the system's network connectivity?
(Choose two.)
- A. up
- B. portal
- C. login-required
- D. firewalled
- E. full
Answer: B,E
NEW QUESTION # 86
Given the following excerpt of the sudoconfiguration:
jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk
Which of the following statements are true? (Choose three.)
- A. Jane can run /bin/idonly after specifying her password.
- B. Jane can run /sbin/fdiskafter specifying her password.
- C. Jane can run /sbin/fdisk after specifying root's password.
- D. Jane can run /bin/idwithout specifying her password.
- E. Jane can run /bin/killwithout specifying a password.
Answer: B,D,E
NEW QUESTION # 87
You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:
- A. The program at that location will be used to process the script.
- B. This script will self-extract into a file at that location.
- C. The file at that location was used to make the script.
- D. This script provides identical functionality as the file at that location.
Answer: A
NEW QUESTION # 88
To exclude all log messages of a given logging facility, you should use a logging priority of _____ .
Answer:
Explanation:
none
NEW QUESTION # 89
Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.) mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, sendmail,
Answer:
Explanation:
/usr/sbin/sendmail, /usr/lib/sendmail
NEW QUESTION # 90
On a dual boot system, every time the system is booted back into Linux the time has been set backward by one day. Which of the following commands will correct the problem?
- A. time hwclock
- B. date -d '+ 1 day'
- C. hwclock --systohc --localtime
- D. ntpdate pool.ntp.org
Answer: C
NEW QUESTION # 91
Which of the following statements about sytemd-journald are true? (Choose three.)
- A. It maintains metadata such as _UID or _PID for each message.
- B. It supports syslog facilities such as kern, user, and auth.
- C. It only processes messages of systemd and not messages of any other tools.
- D. It can pass log messages to syslog for further processing.
- E. It is incompatible with syslog and cannot be installed on a system using regular syslog.
Answer: A,B,D
NEW QUESTION # 92
When attempting to send a file to another user securely with GPG, which of the following actions must be done?
- A. Encrypt the file using your public key.
- B. Encrypt the file using their public key.
- C. Encrypt the file using your private key.
- D. Encrypt the file using their private key.
- E. Sign the file with your public key.
Answer: B
NEW QUESTION # 93
Which command can be used to delete a group from a Linux system?
- A. groupmod
- B. groupdel
- C. groups
- D. groupedit
Answer: B
NEW QUESTION # 94
What is the purpose of a screen reader?
- A. It displays lines and markers to help people use speed reading techniques.
- B. It reads displayed text to accommodate the needs of blind or visually impaired people.
- C. It manages virtual keyboards on touch screen displays.
- D. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
- E. It manages and displays files that contain e-books.
Answer: B
Explanation:
Explanation
NEW QUESTION # 95
When generating new authentication keys with SSH for a user, where should the private key be kept?
- A. Only on the computer where the key was created.
- B. SSH does not use private keys.
- C. On a CD-ROM or USB stick.
- D. Printed and kept in a secure place.
- E. On any trusted system from which the user will login.
Answer: E
NEW QUESTION # 96
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