102-400 無料問題集「Lpi LPIC-1 Exam 102, Part 2 of 2, version 4.0」

（A）It displays lines and markers to help people use speed reading techniques.

（B）It reads text displayed on the screen to blind or visually impaired people.

（C）It manages and displays files that contain e-books.

（D）It reads the parameters of the attached monitors and creates an appropriate X11 configuration.

（A）env -i FOOBAR./myscript

（B）env -u FOOBAR./myscript

（C）set -a FOOBAR="";./myscript

（D）unset -v FOOBAR;./myscript

（A）/etc/ssh/sshd_config

（B）/etc/ssh/ssh_server

（C）/etc/ssh/ssh_config

（D）/etc/ssh/ssh

（E）/etc/ssh/server

（A）find -type suid -username root -d /usr

（B）find /usr -suid -perm +4000

（C）find -user root +mode +s /usr

（D）find /usr -uid 0 -perm +4000

（E）find /usr -ls \*s\* -u root

（A）The cron daemon will refuse to start and report missing files in the system's logfile.

（B）Without additional configuration, no users may have user specific crontabs.

（C）Without additional configuration, all users may have user specific crontabs.

（D）When a user creates a user specific crontab the system administrator must approve it explicitly.

（A）IPv6 no longer supports broadcast addresses.

（B）IPv4 addresses can be used without any change with IPv6.

（C）IPv6 no longer supports multicast addresses.

（D）For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

（E）With IPv6, the TCP port numbers of most services have changed.

（A）172.16.0.0/12

（B）10.0.0.0/8

（C）169.255.0.0/16

（D）192.168.0.0/16

（E）127.0.0.0/8

（A）Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.

（B）Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.

（C）Because NTP chooses servers nearby based on the configured time zone.

（D）Because the conversion of Unix timestamps to local time relies on the time zone configuration.

（A）It must be sent by any SSH client in addition to a user key in order to identify the client's host.

（B）It is the root key by which all user SSH keys must be signed.

（C）It authenticates any user that logs into a remote machine from the key's host.

（D）It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

（E）It provides the server's identity information to connecting SSH clients.