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최신버전XK0-005최신기출자료덤프로CompTIA Linux+ Certification Exam시험합격하여자격증취득가능

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Comptia Linux+ 인증은 Linux 운영 체제에 크게 의존하는 조직에서 일하는 IT 전문가에게 이상적입니다. 이 인증은 특히 Linux 서버, 워크 스테이션 및 장치를 유지 관리 할 책임이있는 시스템 관리자, 네트워크 관리자 및 IT 전문가에게 적합합니다. 인증은 후보자가 Linux 시스템에서 자신의 기술과 지식을 보여주고 구직 시장에서 경쟁 우위를 제공하는 데 도움이됩니다.

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>> XK0-005최신 기출자료 <<

XK0-005자격증참고서 & XK0-005최고품질 덤프공부자료

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Comptia Linux+ 인증으로도 알려진 Comptia XK0-005는 Linux 운영 체제 관리 및 유지 관리에 대한 IT 전문가의 지식과 기술을 검증하는 전 세계적으로 인정 된 인증 시험입니다. 이 인증은 Linux 시스템 설치, 구성 및 문제 해결에 대한 후보자의 능력을 검증하고 보안 관리 및 기본 유지 보수 작업 수행에 대한 유효성을 검증하도록 설계되었습니다.

최신 Linux+ XK0-005 무료샘플문제 (Q446-Q451):

질문 # 446
A Linux administrator is troubleshooting SSH connection issues from one of the workstations.
When users attempt to log in from the workstation to a server with the IP address 104.21.75.76, they receive the following message:

The administrator reviews the information below:

Which of the following is causing the connectivity issue?

A. The server has an incorrect default gateway configuration.
B. The sshd service is disabled.
C. The server's firewall is preventing connections from being made.
D. The workstation has the wrong IP settings.

정답：C

설명：
Explanation
The server's firewall is preventing connections from being made, which is causing the connectivity issue. The output of iptables -L -n shows that the firewall is blocking all incoming traffic on port 22, which is the default port for SSH. The output of ssh -v user@104.21.75.76 shows that the connection is refused by the server. To resolve the issue, the administrator needs to allow port 22 on the firewall. The other options are incorrect because they are not supported by the outputs. The workstation has the correct IP settings, as shown by the output of ip addr show. The sshd service is enabled and running, as shown by the output of systemctl status sshd. The server has the correct default gateway configuration, as shown by the output of ip route show. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 13: Managing Network Services, pages 406-407.

질문 # 447
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:
root@comptia.org:-># 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" root@comptia.org:-># 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?

A. HTTPS traffic is not allowed through the web server firewall.
B. User IP addresses are rejected by the firewall.
C. The web server's interface has no link.
D. The default route on the web server is incorrect.

정답：A

설명：
The curl error "No route to host" suggests that the server is unreachable on port 443 (HTTPS).
The firewall-cmd --list-all output shows the active firewall rules:
The firewall is only allowing the following services:
makefile
CopyEdit
services: cockpit dhcpv6-client http ssh
Port 443 (HTTPS) is missing from the allowed services list. Port 3001/tcp is open, but port 443 is not listed, which means HTTPS traffic is being blocked.

질문 # 448
A Linux administrator needs to transfer a local file named accounts . pdf to a remote / tmp directory of a server with the IP address 10.10.10.80. Which of the following commands needs to be executed to transfer this file?

A. scp accounts.pdf user@10.10.10.80:/tmp
B. ssh accounts.pdf user@10.10.10.80: /tmp
C. cp user@10.10.10. 80: /tmp accounts.pdf
D. rsync user@10.10.10.80: /tmp accounts.pdf

정답：A

설명：
The best command to use to transfer the local file accounts.pdf to the remote /tmp directory of the server with the IP address 10.10.10.80 is B. scp accounts.pdf user@10.10.10.80:/tmp. This command will use the secure copy protocol (scp) to copy the file from the local machine to the remote server over SSH. The command requires the username and password of the user on the remote server, as well as the full path of the destination directory.
The other commands are either incorrect or not suitable for this task. For example:
A) rsync user@10.10.10.80:/tmp accounts.pdf will try to use the rsync command to synchronize files between the local and remote machines, but it has the wrong syntax and order of arguments. The source should come before the destination, and a colon (:) should separate the remote host and path.
C) cp user@10.10.10.80:/tmp accounts.pdf will try to use the cp command to copy files, but it does not work over SSH and it has the wrong syntax and order of arguments. The source should come before the destination, and a colon (:) should separate the remote host and path.
D) ssh accounts.pdf user@10.10.10.80:/tmp will try to use the ssh command to log into the remote server, but it has the wrong syntax and arguments. The username should come before the remote host, and a file name is not a valid argument for ssh.

질문 # 449
A server is experiencing intermittent connection issues. Some connections to the Internet work as intended, but some fail as if there is no connectivity. The systems administrator inspects the server configuration:

Which of the following is MOST likely the cause of the issue?

A. An internal-only DNS server is configured.
B. The ARP table contains incorrect entries.
C. Two default routes are configured.
D. The IP netmask is wrong for ens3.

정답：C

설명：
The most likely cause of the issue is that two default routes are configured on the server. The default route is the route that is used when no other route matches the destination of a packet. The default route is usually the gateway that connects the local network to the Internet. The server configuration shows that there are two default routes in the routing table, one with the gateway 192.168.1.1 and the other with the gateway 10.0.0.1.
This can cause a conflict and confusion for the server when deciding which gateway to use for the outgoing packets. Some packets may be sent to the wrong gateway and fail to reach the Internet, while some packets may be sent to the correct gateway and work as intended. This can result in intermittent connection issues and inconsistent behavior. The administrator should remove one of the default routes and keep only the correct one for the network. This can be done by using the ip route del command or by editing the network configuration files. This will resolve the issue and restore the connectivity. The other options are incorrect because they are not supported by the outputs. The DNS server, the IP netmask, and the ARP table are not the causes of the issue. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 12:
Managing Network Connections, pages 381-382.

질문 # 450
A junior administrator is setting up a new Linux server that is intended to be used as a router at a remote site.
Which of the following parameters will accomplish this goal?

정답：A

설명：
The parameter net.ipv4.ip_forward=1 will accomplish the goal of setting up a new Linux server as a router.
This parameter enables the IP forwarding feature, which allows the server to forward packets between different network interfaces. This is necessary for a router to route traffic between different networks. The parameter can be set in the /etc/sysctl.conf file or by using the sysctl command. This is the correct parameter to use to accomplish the goal. The other options are incorrect because they either do not exist (net.ipv4.
ip_forwarding or net.ipv4.ip_route) or do not enable IP forwarding (net.ipv4.
ip_forward=0). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 12: Managing Network Connections, page 382.

질문 # 451
......

XK0-005자격증참고서: https://www.itcertkr.com/XK0-005_exam.html

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