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EX200 Red Hat Certified System Administrator - RHCSA (8.2) Question and Answers

Red Hat Certified System Administrator - RHCSA (8.2)

Last Update 13 hours ago
Total Questions : 136

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Question # 1

Configure your Host Name, IP Address, Gateway and DNS.

Host name: station.domain40.example.com

/etc/sysconfig/network

hostname=abc.com

hostname abc.com

IP Address:172.24.40.40/24

Gateway172.24.40.1

DNS:172.24.40.1

Options:

Discussion 0
Question # 2

Configure the verification mode of your host account and the password as LDAP. And it can login successfully through ldapuser40. The password is set as "password". And the certificate can be downloaded from http://ip/dir/ldap.crt. After the user logs on the user has no host directory unless you configure the autofs in the following questions.

Options:

Discussion 0
Question # 3

Configure a task: plan to run echo "file" command at 14:23 every day.

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Question # 4

Configure your web services, download from http://instructor.example.com/pub/serverX.html And the services must be still running after system rebooting.

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Question # 5

Create a swap space, set the size is 600 MB, and make it be mounted automatically after rebooting the system (permanent mount).

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Question # 6

Upgrade the kernel, start the new kernel by default. kernel download from this address:

ftp://server1.domain10.example.com/pub/update/new.kernel

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Question # 7

Part 2 (on Node2 Server)

Task 1 [Controlling the Boot Process]

Interrupt the boot process and reset the root password. Change it to kexdrams to gain access to the system

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Question # 8

Find all lines in the file /usr/share/dict/words that contain the string seismic. Put a copy of all these lines in their original order in the file /root/wordlist. /root/wordlist should contain no empty lines and all lines must be exact copies of the original lines in /usr/share/dict/words.

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Question # 9

Configure the FTP service in your system, allow remote access to anonymous login and download the program by this service. Service is still running after system rebooting.

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Question # 10

Copy /etc/fstab document to /var/TMP directory. According the following requirements to configure the permission of this document.

  • The owner of this document must be root.
  • This document belongs to root group.
  • User mary have read and write permissions for this document.
  • User alice have read and execute permissions for this document.
  • Create user named bob, set uid is 1000. Bob have read and write permissions for this document.
  • All users has read permission for this document in the system.

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Question # 11

Part 1 (on Node1 Server)

Task 2 [Installing and Updating Software Packages]

Configure your system to use this location as a default repository:

http://utility.domain15.example.com/BaseOS

http://utility.domain15.example.com/AppStream

Also configure your GPG key to use this location

http://utility.domain15.example.com/RPM-GPG-KEY-redhat-release

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Question # 12

The firewall must be open.

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Question # 13

Part 1 (on Node1 Server)

Task 13 [Archiving and Transferring Files & SELinux]

Create a backup file named /root/backup.tar.bz2. The backup file should contain the content of /usr/local and should be zipped with bzip2 compression format.

Furthermore, ensure SELinux is in enforcing mode. If it is not, change SELinux to enforcing mode.

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Question # 14

Download ftp://192.168.0.254/pub/boot.iso to /root, and mounted automatically under /media/cdrom and which take effect automatically at boot-start.

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Question # 15

Add user: user1, set uid=601

Password: redhat

The user's login shell should be non-interactive.

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Question # 16

Your System is going use as a router for 172.24.0.0/16 and 172.25.0.0/16. Enable the IP Forwarding.

1. echo "1" >/proc/sys/net/ipv4/ip_forward

2. vi /etc/sysctl.conf net.ipv4.ip_forward=1

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Discussion 0
Question # 17

Create a volume group, and set the size is 500M, the size of single PE is 16M. Create logical volume named lv0 in this volume group, set size is 20 PE, make it as ext3 file system, and mounted automatically under data.

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Question # 18

Configure autofs.

Configure the autofs automatically mount to the home directory of LDAP, as required:

server.domain11.example.com use NFS to share the home to your system. This file system contains a pre

configured home directory of user ldapuserX.

Home directory of ldapuserX is:

server.domain11.example.com /home/guests/ldapuser

Home directory of ldapuserX should automatically mount to the ldapuserX of the local /home/guests Home directory’s write permissions must be available for users ldapuser1’s password is password

Options:

Discussion 0
Question # 19

Configure iptables, there are two domains in the network, the address of local domain is 172.24.0.0/16 other domain is 172.25.0.0/16, now refuse domain 172.25.0.0/16 to access the server.

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Discussion 0
Question # 20

The user authentication has been provided by ldap domain in 192.168.0.254. According the following requirements to get ldapuser.

-LdapuserX must be able to login your system, X is your hostname number. But the ldapuser's home directory cannot be mounted, until you realize automatically mount by autofs server.

- All ldap user's password is "password".

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Discussion 0