Download Red Hat Certified System Administrator (RHCSA) Exam.EX200.PracticeTest.2018-10-10.33q.vcex
| Vendor: | RedHat |
| Exam Code: | EX200 |
| Exam Name: | Red Hat Certified System Administrator (RHCSA) Exam |
| Date: | Oct 10, 2018 |
| File Size: | 351 KB |
| Downloads: | 2 |
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Demo Questions
Question 1
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.
- See explanation below.
Correct answer: 1
Explanation:
system-config-authentication LDAP Server: ldap//instructor.example.com (In domain form, not write IP)OR # yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd) # system-config-authentication 1.User Account Database: LDAP2.LDAP Search Base DN: dc=example,dc=com3.LDAP Server: ldap://instructor.example.com (In domain form, not write IP) 4.Download CA Certificate5.Authentication Method: LDAP password6.Apply getent passwd ldapuser40 system-config-authentication
LDAP Server: ldap//instructor.example.com (In domain form, not write IP)
OR
# yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd)
# system-config-authentication
1.User Account Database: LDAP
2.LDAP Search Base DN: dc=example,dc=com
3.LDAP Server: ldap://instructor.example.com (In domain form, not write IP) 4.Download CA Certificate
5.Authentication Method: LDAP password
6.Apply
getent passwd ldapuser40
Question 2
Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.
- See explanation below.
Correct answer: 1
Explanation:
# chkconfig autofs on # cd /etc/ # vim /etc/auto.master /rhome /etc/auto.ldap # cp auto.misc auto.ldap # vim auto.ladp ldapuser40 -rw,soft,intr 172.24.40.10:/rhome/ldapuser40* -rw,soft,intr 172.16.40.10:/rhome/&# service autofs stop # server autofs start # showmount -e 172.24.40.10 # su - ladpuser40 # chkconfig autofs on
# cd /etc/
# vim /etc/auto.master
/rhome /etc/auto.ldap
# cp auto.misc auto.ldap
# vim auto.ladp
ldapuser40 -rw,soft,intr 172.24.40.10:/rhome/ldapuser40
* -rw,soft,intr 172.16.40.10:/rhome/&
# service autofs stop
# server autofs start
# showmount -e 172.24.40.10
# su - ladpuser40
Question 3
Configure the system synchronous as 172.24.40.10.
- See explanation below.
Correct answer: 1
Explanation:
Graphical Interfaces: System-->Administration-->Date & Time OR # system-config-date Graphical Interfaces:
System-->Administration-->Date & Time
OR
# system-config-date
Question 4
Configure a task: plan to run echo "file" command at 14:23 every day.
- See explanation below.
Correct answer: 1
Explanation:
(a) Created as administrator # crontab -u natasha -e 23 14 * * * /bin/echo "file" (b)Created as natasha # su - natasha $ crontab -e 23 14 * * * /bin/echo "file" (a) Created as administrator
# crontab -u natasha -e
23 14 * * * /bin/echo "file"
(b)Created as natasha
# su - natasha
$ crontab -e
23 14 * * * /bin/echo "file"
Question 5
Configure a default software repository for your system.
One YUM has already provided to configure your system on http://server.domain11.example.com/pub/ x86_64/Server, and can be used normally.
- See explanation below.
Correct answer: 1
Explanation:
Yum-config-manager --add-repo=http://content.example.com/rhel7.0/x86-64/dvd” is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0 Yumcleanall Yumrepolist Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out. Yum-config-manager --add-repo=http://content.example.com/rhel7.0/x86-64/dvd” is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0
Yumcleanall
Yumrepolist
Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out.
Question 6
Adjust the size of the Logical Volume.
Adjust the size of the vo Logical Volume, its file system size should be 290M. Make sure that the content of this system is complete.
Note: the partition size is rarely accurate to the same size as required, so in the range 270M to 320M is acceptable.
- See explanation below.
Correct answer: 1
Explanation:
Addition df -hT lvextend -L +100M /dev/vg0/vo Lvscan xfs_growfs /home/ //home is the mounted directory of the LVM, this step just need to do in the practice environment, and test EXT4 does not need this step. resize2fs /dev/vg0/vo// use this command to update in examination. df -hT OR Subtraction e2fsck -f/dev/vg0/vo umount /home resize2fs /dev/vg0/vo // the final required partition capacity is 100M lvreduce -l 100M /dev/vg0/vo mount /dev/vg0/vo/home df -hT Addition
df -hT
lvextend -L +100M /dev/vg0/vo
Lvscan
xfs_growfs /home/ //home is the mounted directory of the LVM, this step just need to do in the practice environment, and test EXT4 does not need this step.
resize2fs /dev/vg0/vo// use this command to update in examination.
df -hT
OR
Subtraction
e2fsck -f/dev/vg0/vo
umount /home
resize2fs /dev/vg0/vo // the final required partition capacity is 100M lvreduce -l 100M /dev/vg0/vo
mount /dev/vg0/vo/home
df -hT
Question 7
Create User Account.
Create the following user, group and group membership:
Adminuser group
User natasha, using adminuser as a sub group
User Harry, also using adminuser as a sub group
，，User sarah, can not access the SHELL which is interactive in the system, and is not a member of adminuser, natashaharrysarah password is redhat.
- See explanation below.
Correct answer: 1
Explanation:
groupadd adminuser useradd natasha -G adminuser useradd haryy -G adminuser useradd sarah -s /sbin/nologin Passwd user name // to modify password or echo redhat | passwd --stdin user name id natasha // to view user group. groupadd adminuser
useradd natasha -G adminuser
useradd haryy -G adminuser
useradd sarah -s /sbin/nologin
Passwd user name // to modify password or echo redhat | passwd --stdin user name id natasha // to view user group.
Question 8
Configure /var/tmp/fstab Permission.
Copy the file /etc/fstab to /var/tmp/fstab. Configure var/tmp/fstab permissions as the following:
Owner of the file /var/tmp/fstab is Root, belongs to group root
File /var/tmp/fstab cannot be executed by any user
User natasha can read and write /var/tmp/fstab
User harry cannot read and write /var/tmp/fstab
All other users (present and future) can read var/tmp/fstab.
- See explanation below.
Correct answer: 1
Explanation:
cp /etc/fstab /var/tmp/ /var/tmp/fstab view the owner setfacl -m u:natasha:rw- /var/tmp/fstab setfacl -m u:haryy:--- /var/tmp/fstabUse getfacl /var/tmp/fstab to view permissions cp /etc/fstab /var/tmp/
/var/tmp/fstab view the owner setfacl -m u:natasha:rw- /var/tmp/fstab setfacl -m u:haryy:--- /var/tmp/fstab
Use getfacl /var/tmp/fstab to view permissions
Question 9
Configure a user account.
，Create a user iaruid is 3400. Password is redhat
- See explanation below.
Correct answer: 1
Explanation:
useradd -u 3400 iar passwd iar useradd -u 3400 iar
passwd iar
Question 10
Add a swap partition.
Adding an extra 500M swap partition to your system, this swap partition should mount automatically when the system starts up. Don't remove and modify the existing swap partitions on your system.
- See explanation below.
Correct answer: 1
Explanation:
fdisk -cu /dev/vda// in the way of expanding the partition, don’t make main partition partx –a /dev/vda mkswap /dev/vdax swapon /dev/vdax swapon –s vi /etc/fstab /dev/vdaxswapswapdefaults0 0 mount -a fdisk -cu /dev/vda// in the way of expanding the partition, don’t make main partition
partx –a /dev/vda
mkswap /dev/vdax
swapon /dev/vdax
swapon –s
vi /etc/fstab
/dev/vdaxswapswapdefaults0 0
mount -a
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