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CORRECT TEXT What command, depending on its options, can display the open TCP connections, the routing tables, as well as network interface statistics? (Specify only the command without any path or parameters.)View AnswerAnswer: netstat

Which of the following is a valid IPv6 address?A . 2001:db8:0g21::1B . 2001::db8:4581::1C . 2001:db8:3241::1D . 2001%db8%9990%%1E . 2001.db8.819f..1View AnswerAnswer: C

Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also details about the query?A . dnsqB . hostnameC . digD . dnslookupE . zoneinfoView AnswerAnswer: C

Which of the following nmcli subcommands exist? (Choose two.)A . nmcli ethernetB . nmcli deviceC . nmcli wifiD . nmcli addressE . nmcli connectionView AnswerAnswer: B,E

Which of the following statements is valid in the file /etc/nsswitch.conf?A . multi onB . 192.168.168.4 dns-serverC . namespaces: net mount procsD . include /etc/nsswitch.d/F . hosts: files dnsView AnswerAnswer: E

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

Which of the following tasks can the date command accomplish? (Choose two.)A . Set the system’s date and time.B . Set the system’s date but not the time.C . Calculate the time span between two dates.D . Print a calendar for a month or a year.E . Display time in...

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...

What is true about the file /etc/localtime?A . It is a plain text file containing a string such as Europe/BerlinB . It is created and maintained by the NTP service based on the location of the system’s IP address.C . It is a symlink to /sys/device/clock/ltime and always contains the...

CORRECT TEXT 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