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Which of the following is the reason that the administrator is unable to perform the assigned duties?
The administrator comptia is not able to perform privileged functions on a newly deployed system. Given the following command outputs: Which of the following is the reason that the administrator is unable to perform the assigned duties? A. The administrator needs a password reset. B. The administrator is not a...
Which of the following commands is the correct way to accomplish this task?
A systems administrator needs to reconfigure a Linux server to allow persistent IPv4 packet forwarding. Which of the following commands is the correct way to accomplish this task?A . echo 1 > /proc/sys/net/ipv4/ipv_forwardB . sysctl -w net.ipv4.ip_forward=1C . firewall-cmd --enable ipv4_forwardingD . systemct1 start ipv4_forwardingView AnswerAnswer: B Explanation: The command...
Which of the following technologies provides load balancing, encryption, and observability in containerized environments?
Which of the following technologies provides load balancing, encryption, and observability in containerized environments?A . Virtual private networkB . Sidecar podC . Overlay networkD . Service meshView AnswerAnswer: D Explanation: "A service mesh controls the delivery of service requests in an application. Common features provided by a service mesh include...
Which of the following commands could the engineer use to query the DNS server to get mail server information?
A Linux engineer set up two local DNS servers (10.10.10.10 and 10.10.10.20) and was testing email connectivity to the local mail server using the mail command on a local machine when the following error appeared: The local machine DNS settings are: Which of the following commands could the engineer use...
Which of the following is MOST likely the issue?
A Linux administrator needs to resolve a service that has failed to start. The administrator runs the following command: The following output is returned Which of the following is MOST likely the issue?A . The service does not have permissions to read write the startupfile.B . The service startupfile size...
Which of the following commands can be used to show this information?
A systems administrator wants to check for running containers. Which of the following commands can be used to show this information?A . docker pullB . docker statsC . docker psD . docker listView AnswerAnswer: C Explanation: The command that can be used to check for running containers is docker ps....
Which of the following commands should be run on the DNS forwarder server to accomplish this task?
A Linux administrator has set up a new DNS forwarder and is configuring all internal servers to use the new forwarder to look up external DNS requests. The administrator needs to modify the firewall on the server for the DNS forwarder to allow the internal servers to communicate to it...
Which of the following commands should be used to apply the configuration changes?
A Linux administrator modified the SSH configuration file. Which of the following commands should be used to apply the configuration changes?A . systemct1 stop sshdB . systemct1 mask sshdC . systemct1 reload sshdD . systemct1 start sshdView AnswerAnswer: C Explanation: The systemct1 reload sshd command can be used to apply...
Which of the following is most likely causing the issue?
A user is unable to remotely log on to a server using the server name server1 and port 22. The Linux engineer troubleshoots the issue and gathers the following information: Which of the following is most likely causing the issue?A . server 1 is not in the DNS.B . sshd...
Which of the following commands would allow this connection?
A Linux administrator needs to connect securely to a remote server in order to install application software. Which of the following commands would allow this connection?A . scp "ABC-key.pem" [email protected] . sftp rooteiO.0.0.1C . telnet 10.0.0.1 80D . ssh -i "ABC-key.pem" [email protected] . sftp "ABC-key.pem" [email protected] AnswerAnswer: D Explanation: The...
