CompTIA XK0-005 Practice Test - Questions Answers, Page 40

A systems administrator is working on an SFTP server configuration. Which of the following commands will best enable the connectivity to that service from the 10.10.0.0/24 network?

An administrator needs to allow remote administrative access to a Linux server only to employees who are using the authorized private key. Which of the following options should the administrator set in the SSHD configuration file to achieve the goal?

Which of the following Git commands would send committed changes to a remote repository?

A hardened physical Linux system allows regular, unprivileged users to remotely connect to the server using SSH only. No sudo tool has been installed. Which of the following should the Linux administrator use to perform administrative tasks on this host? (Select two).

An organization's business office needs to collaborate on quarterly reports and asks the systems administrator to create a finance group. The administrator creates the following directory:

drwxrwxr-x Business Business 4096 Oct 15 16:40 Q1

Which of the following commands will allow all members of the finance group to have group ownership of all files created in the Q1 directory while ensuring that members of the business group preserve access? (Select two).

A systems administrator needs to install the file installer_0.17-41.2_amd64.deb. Which of the following commands should the administrator use?

A Linux engineer is removing a previously created firewall rule. Which of the following commands will help the administrator accomplish this task?

A Linux engineer needs to get information from the foo.com domain mail servers. Which of the following network tools should the engineer use?

Users report that they are unable to reach the company website https://www.comptia.org. A systems administrator confirms the issue with the following command:

# curl https://www.comptia.org

curl: (7) Failed to connect to www.comptia.org port 443: No route to host

The administrator logs in to the company's web server to check its configuration and sees the following output:

[email protected]:-># firewall-cmd --list-all

public (active)

target: default

icmp-block-inversion: no

interfaces: dummy0 eth0

sources:

services: cockpit dhcpv6-client http ssh

ports: 3001/tcp

protocols:

forward: no

masquerade: no

forward-ports:

source-ports:

icmp-blocks:

rich rules:

rule family='ipv4' source address='61.177.173.6' port port='ssh' protocol='tcp' reject type='icmp-port-unreachable'

rule family='ipv4' source address='185.143.45.164' port port='ssh' protocol='tcp' reject type='icmp-port-unreachable'

rule family='ipv4' source address='143.198.60.41' port port='ssh' protocol='tcp' reject type='icmp-port-unreachable'

[email protected]:-># ip route

default via 172.31.1.1 dev eth0 proto dhcp src 65.21.187.65 metric 100

10.0.6.0/24 dev dummy0 proto kernel scope link src 10.0.6.65 metric 550

172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1

172.18.0.0/16 dev br-28ac2eaeeca1 proto kernel scope link src 172.18.0.1

172.19.0.0/16 dev br-fb3897555ca3 proto kernel scope link src 172.19.0.1 linkdown

172.31.1.1 dev eth0 proto dhcp scope link src 65.21.187.65 metric 100

192.168.224.0/20 dev br-e949ab177d79 proto kernel scope link src 192.168.224.1 linkdown

192.168.240.0/20 dev br-6adf72ac0ae3 proto kernel scope link src 192.168.240.1 linkdown

Which of the following is causing the issue?