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Which of the following commands displays all environment and shell variables?A . getargsB . lsenvC . lsD . envE . lsshellView AnswerAnswer: D

Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?A . export LANGUAGE=“pt”B . export LC_MESSAGES=“pt”C . export UI_MESSAGES=“pt”D . export MESSAGE=“pt”E . export ALL_MESSAGES=“pt”View AnswerAnswer: B

Refer to the exhibit. If an IP phone in San Jose roams to New York, which two IP phone settings will be modified by Device Mobility so that the phone can place and receive calls in New York? (Choose two.)A . The physical locations are not different, so the configuration...

FILL BLANK Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)View AnswerAnswer: crontab

FILL BLANK Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)View AnswerAnswer: nmtui

What is true about the Hop Limit field in the IPv6 header?A . The field is not changed during the transport of a package.B . The field is transmitted within a hop-by-hop extension header.C . Each router forwarding the packet increases the field’s value.D . Each router forwarding the packet...

Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/maillog and sends all critical events to the remote server logger.example.com?A . mail.* /var/log/maillog mail,crit @logger.example.orgB . mail.* /var/log/maillog mail.crit syslog://logger.example.orgC . mail /var/log/maillog mail.crit @logger.example.orgD . mail.* /var/log/maillog mail.crit @logger.example.orgE . mail * /var/log/maillog...

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose three.)A . 10.0.0.0/8B . 127.0.0.0/8C . 169.255.0.0/16D . 172.16.0.0/12E . 192.168.0.0/16View AnswerAnswer: ADE

FILL BLANK Which option in the /etc/ntp.conffile specifies an external NTP source to be queried for time information? (Specify only the option without any values or parameters.)View AnswerAnswer: server

FILL BLANK Which command must be run after adding a new email alias to the configuration in order to make this change effective? (Specify the command without any path but including all required parameters.)View AnswerAnswer: newaliases