The Regenerate Guide To 102-400 vce

Question No: 5

What output will the following command produce? seq 1 5 20

A. 1

6

1

1

1

6

B. 1

5

10

15

C. 1

2

3

4

D. 2

3

4

5

E. 5

10

15

20

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Question No: 6

Which of the following commands is used to rotate, compress, and mail system logs?

A. rotatelog

B. striplog

C. syslogd --rotate

D. logrotate

E. logger

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Question No: 7

CORRECT TEXTHow 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.)

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Question No: 8

Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

A. 2001:db8::15 www.example.com www

B. www.example.com www 203.0.13.15

C. 203.0.113.15 www.example.com www

D. www.example.com,www 203.0.13.15,2001:db8::15

E. 2003.0.113.15,2001:db8::15 www.example.com www

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Question No: 9

Which command can be used to delete a group from a Linux system?

A. groupdel

B. groupmod

C. groups

D. groupedit

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Question No: 10

Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?

A. 0 * * * 30 myscript

B. 30 * * * 6 myscript

C. 30 0 * * 0 myscript

D. 30 0-23 * * 0 myscript

E. 0 0-23 * * 30 myscript

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Question No: 11

Which configuration file would be edited to change default options for the OpenSSH server?

A. /etc/ssh/sshd_config

B. /etc/ssh/ssh

C. /etc/ssh/server

D. /etc/ssh/ssh_config

E. /etc/ssh/ssh_server

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Question No: 12

CORRECT TEXTAfter adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)

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Question No: 13

What is true about the file /etc/localtime?

A. It is a plain text file containing a string such as Europe/Berlin.

B. It is created and maintained by the NTP service based on the geolocation of the system's IP address.

C. It is a symlink to /sys/device/clock/ltime and always contains the current local time.

D. It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/Berlin.

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Question No: 14

For accessibility assistance, which of the following programs is an on-screen keyboard?

A. xkb

B. atkb

C. GOK

D. xOSK

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