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Which of the following servers should be installed?
A company wants to provide internal identity verification services for networked devices. Which of the following servers should be installed?A . SSH B. VPN C. CA D. DHCP E. DNSView AnswerAnswer: C
Which of the following commands enables this feature for IPv4 networks?
A Linux administration is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces. Which of the following commands enables this feature for IPv4 networks?A . cat /proc/sys/net/ipv4/ip_route > 1 B. echo “1” > /proc/sys/net/ipv4/ip_forward C....
Which of the following commands would allow Joe to write to the file?
Joe, a member of the accounting group on a Linux system, is unable to write a file called “taxes” in the accounting shared directory. The ownership and permissions on the directory and file are as follows: accounting drwxrw-r-- user = ann, group = accounting taxes -rw-r--r--, user = ann, group...
Which of the following commands will achieve this task?
A systems administrator wants to know the current status of a series of dd jobs that were started in the background three hours ago. Which of the following commands will achieve this task?A . sudo killall CHUP dd B. sudo killall dd C. sudo killall CTERM dd D. sudo killall...
Which of the following commands should the administrator execute to resolve the problem?
Joe, a user, is unable to log in to the server and contracts the systems administrator to look into the issue. The administrator examines the /etc/passwd file and discovers the following entry: joe:x:505:505::/home/joe:/bin/false Which of the following commands should the administrator execute to resolve the problem?A . usermod Cs /bin/bash...
Which of the following is a difference between YAML and JSON?
Which of the following is a difference between YAML and JSON?A . Users can comment in YAML but not in JSON B. JSON only curly brackets, while YAML only uses square brackets C. JSON is used in web development, while YAML is used solely in back-end systems. D. YAML has...
Which of the following commands would BEST assists the administrator in identifying the problem?
An administrator receives a warning about a file system filling up, and then identifies a large file located at /tmp/largelogfile. The administrator deletes the file, but no space is recovered on the file system. Which of the following commands would BEST assists the administrator in identifying the problem?A . lsof...
Which of the following commands will accomplish this task?
A systems administrator is troubleshooting an intermittent network connection at the IP address 192.168.1.23. The administrator wishes to monitor the connection at five-minute intervals for one hour. Which of the following commands will accomplish this task?A . ping -i 5 192.168.1.23 B. ping -c 12 192.168.1.23 C. ping -c 12...
Which of the following actions should the administrator perform to accomplish this task?
0.0.1 localhost Which of the following actions should the administrator perform to accomplish this task?A . Modify the /etc/hosts file, and add the ipv6 localhost entry to the file. B. Modify the /etc/hosts file, and add the::1 localhost entry to the file. C. Modify the /etc/hosts file, and add the...
Which of the following tools should the administrator use?
An administrator needs to generate a list of services that are listening on TCP and/or UDP ports. Which of the following tools should the administrator use?A . ethtool B. route C. netstat D. portmapView AnswerAnswer: C Explanation: Reference: https://www.tecmint.com/find-open-ports-in-linux/
