EMT Practice Test

1. Question Content...

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Question1: Create a volume group, and set 8M as a extends. Divided a volume group containing 50 extends on volume group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/dat a. And the size of the floating range should set between 380M and 400M.

Question2: Configure the NTP service in your system.

Question3: According the following requirements to create user, user group and the group members:
- A group named admin.
- A user named mary, and belong to admin as the secondary group.
- A user named alice, and belong to admin as the secondary group.
- A user named bobby, bobby's login shell should be non-interactive. Bobby not belong to admin as the secondary group.
Mary, Alice, bobby users must be set "password" as the user's password.

Question4: Configure a cron Task.
User natasha must configure a cron job, local time 14:23 runs and executes: */bin/echo hiya every day.

Question5: Part 2 (on Node2 Server)
Task 4 [Managing Logical Volumes]
Resize the logical volume, lvrz and reduce filesystem to 4600 MiB. Make sure the the filesystem contents remain intact with mount point /datarz (Note: partitions are seldom exactly the size requested, so anything within the range of 4200MiB to 4900MiB is acceptable)

Question6: Add users: user2, user3.
The Additional group of the two users: user2, user3 is the admin group Password: redhat

Question7: User mary must configure a task.
Requirement: The local time at 14:23 every day echo "Hello World.".

Question8: Part 1 (on Node1 Server)
Task 5 [Controlling Access to Files with ACLs]
Copy the file /etc/fstab to /var/tmp. Configure the following permissions on /var/tmp/fstab.
The file /var/tmp/fstab is owned by root user
The file /var/tmp/fstab is belongs to the root group
The file /var/tmp/fstab should be executable by anyone
The user harry is able to read and write on /var/tmp/fstab
The user natasha can neither read or write on /var/tmp/fstab
All other users (Current or future) have the ability to read /var/tmp/fstab

Question9: Configure a HTTP server, which can be accessed through http://station.domain40.example.com.
Please download the released page from http://ip/dir/example.html.

Question10: There is a server having 172.24.254.254 and 172.25.254.254. Your System lies on 172.24.0.0/16. Make successfully ping to 172.25.254.254 by Assigning following IP: 172.24.0.x where x is your station number.

Question11: 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.

Question12: Create a new logical volume according to the following requirements:
The logical volume is named database and belongs to the datastore volume group and has a size of 50 extents.
Logical volumes in the datastore volume group should have an extent size of 16 MB.
Format the new logical volume with a ext3 filesystem.
The logical volume should be automatically mounted under /mnt/database at system boot time.

Question13: Configure your NFS services. Share the directory by the NFS Shared services.

Question14: 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.

Question15: One Logical Volume is created named as myvol under vo volume group and is mounted. The Initial Size of that Logical Volume is 400MB. Make successfully that the size of Logical Volume 200MB without losing any dat a. The size of logical volume 200MB to 210MB will be acceptable.

Question16: Configure your web services, download from http://instructor.example.com/pub/serverX.html And the services must be still running after system rebooting.

Question17: 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.

Question18: Add sudo Permission Configuration
Allow members of the sysmgrs group to use sudo without entering a password.

Question19: Part 1 (on Node1 Server)
Task 17 [Accessing Linux File Systems]
Find all the files owned by user "alex" and redirect the output to /home/alex/files.

Question20: Part 1 (on Node1 Server)
Task 1 [Managing Networking]
Please create new network connection with existing interface (enp1s0) using provided values:
IPv4: 172.25.X.10/255.255.255.0 (where X is your domain number: Domain15) Gateway: 172.25.X.2 DNS server: 172.25.X.2 Add the following secondary IP addresses statically to your current running connection. Do this in a way that does not compromise your existing settings:
IPv4: 10.0.0.5/24 and set the hostname node1.domain15.example.com

Question21: 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.

Question22: A YUM repository has been provided at http://server.domain11.example.com/pub/x86_64/Server.
Configure your system to use this location as a default repository.

Question23: There are two different networks, 192.168.0.0/24 and 192.168.1.0/24. Your System is in 192.168.0.0/24 Network. One RHEL6 Installed System is going to use as a Router. All required configuration is already done on Linux Server. Where 192.168.0.254 and 192.168.1.254 IP Address are assigned on that Server. How will make successfully ping to 192.168.1.0/24 Network's Host?

Question24: Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.

Question25: Locate all the files owned by ira and copy them to the / root/findresults directory.

Question26: Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.

Question27: Part 2 (on Node2 Server)
Task 3 [Managing Logical Volumes]
Create a new volume group in the name of datavg and physical volume extent is 16 MB Create a new logical volume in the name of datalv with the size of 250 extents and file system must xfs Then the logical volume should be mounted automatically mounted under /data at system boot time

Question28: Part 1 (on Node1 Server)
Task 11 [Scheduling Future Tasks]
The user natasha must configure a cron job that runs daily at 14:23 local time and also the same cron job will run after every 2 minutes and executes:
/bin/echo hello

Question29: Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.

Question30: Configure NTP
Configure your system to synchronize with the NTP server of materials.example.com (Note: materials.example.com is an alias for classroom.example.com).

Question31: 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.

Question32: Add a new logical partition having size 100MB and create the data which will be the mount point for the new partition.

Question33: Part 1 (on Node1 Server)
Task 12 [Accessing Network-Attached Storage]
Configure autofs to automount the home directories of user remoteuserX. Note the following:
utility.domain15.example.com(172.25.15.9), NFS-exports /netdir to your system, where user is remoteuserX where X is your domain number remoteuserX home directory is utility.domain15.example.com:/netdir/remoteuserX remoteuserX home directory should be auto mounted locally at /netdir as /netdir/remoteuserX Home directories must be writable by their users while you are able to login as any of the remoteuserX only home directory that is accessible from your system

Question34: 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

Question35: Create a backup
Create a backup file named /root/backup.tar.bz2, contains the content of /usr/local, tar must use bzip2 to compress.

Question36: According the following requirements to create a local directory /common/admin.
This directory has admin group.
This directory has read, write and execute permissions for all admin group members.
Other groups and users don't have any permissions.
All the documents or directories created in the/common/admin are automatically inherit the admin group.

Question37: Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.

Question38: Part 2 (on Node2 Server)
Task 7 [Implementing Advanced Storage Features]
Create a thin-provisioned filesystem with the name think_fs from a pool think_pool using the devices.
The filesystem should be mounted on /strav and must be persistent across reboot

Question39: 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.

Question40: 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

Question41: You are a System administrator. Using Log files very easy to monitor the system. Now there are 50 servers running as Mail, Web, Proxy, DNS services etc. You want to centralize the logs from all servers into on LOG Server. How will you configure the LOG Server to accept logs from remote host?

Question42: Create a Shared Directory.
Create a shared directory /home/admins, make it has the following characteristics:
/home/admins belongs to group adminuser
This directory can be read and written by members of group adminuser Any files created in /home/ admin, group automatically set as adminuser.

Question43: 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.

Question44: Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.

Question45: Install the Kernel Upgrade.
Install suitable kernel update from:
http://server.domain11.example.com/pub/updates.
Following requirements must be met:
Updated kernel used as the default kernel of system start-up.
The original kernel is still valid and can be guided when system starts up.

Question46: Your System is configured in 192.168.0.0/24 Network and your nameserver is 192.168.0.254. Make successfully resolve to server1.example.com.

Question47: SELinux must run in force mode.

Question48: Part 1 (on Node1 Server)
Task 4 [Controlling Access to Files]
Create collaborative directory /mnt/shares with the following characteristics:
Group ownership of /mnt/shares should be sharegrp.
The directory should be readable, writable and accessible to member of sharegrp but not to any other user. (It is understood that root has access to all files and directories on the system) Files created in /mnt/shares automatically have group ownership set to the sharegrp group.

Question49: Create Archive
Create a tar archive named /root/backup.tar.bz2, which should contain the contents of /usr/local. The tar archive must be compressed using bzip2.

Question50: 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.

Question51: Part 1 (on Node1 Server)
Task 14 [Managing SELinux Security]
You will configure a web server running on your system serving content using a non-standard port (82)

Question52: Who ever creates the files/directories on a data group owner should automatically be in the same group owner as data.

Question53: Part 2 (on Node2 Server)
Task 5 [Managing Logical Volumes]
Add an additional swap partition of 656 MiB to your system. The swap partition should automatically mount when your system boots Do not remove or otherwise alter any existing swap partition on your system

Question54: 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

Question55: Configure Your System to Use Default Repositories
The YUM repositories are available at http://content/rhel9.0/x86_64/dvd/BaseOS and http://content/rhel9.0/x86_64/dvd/AppStream. Configure your system to use these locations as the default repositories.

Question56: 1. Find all sizes of 10k file or directory under the /etc directory, and copy to /tmp/findfiles directory.
2. Find all the files or directories with Lucy as the owner, and copy to /tmp/findfiles directory.

Question57: Part 2 (on Node2 Server)
Task 6 [Implementing Advanced Storage Features]
Add a new disk to your virtual machine with a ize of 10 GiB
On this disk, create a VDO volume with a size of 50 GiB and mount it persistently on /vbread with xfs filesystem

Question58: Create the following users, groups, and group memberships:
A group named adminuser.
A user natasha who belongs to adminuser as a secondary group A user harry who also belongs to adminuser as a secondary group.
A user sarah who does not have access to an interactive shell on the system, and who is not a member of adminuser, natasha, harry, and sarah should all have the password of redhat.

Question59: Find the files owned by harry, and copy it to catalog: /opt/dir

Question60: Adjust Logical Volume Size
Adjust the size of the logical volume "vo" and its filesystem to 300 MiB, ensuring that the filesystem content remains unchanged.
Note: Partition sizes rarely match the requested size exactly, so a range of 290 MiB to 310 MiB is acceptable.
For ext4 filesystems, use resize2fs to take effect immediately; for xfs filesystems, use xfs_growfs to take effect immediately.

Question61: Configure a user account.
Create a user iar,uid is 3400. Password is redhat

Question62: According the following requirements, configure autofs service and automatically mount to user's home directory in the ldap domain.
- Instructor.example.com (192.168.0.254) has shared /home/guests/ldapuserX home directory to your system by over NFS export, X is your hostname number.
- LdapuserX's home directory is exist in the instructor.example.com: /home/ guests/ldapuserX
- LdapuserX's home directory must be able to automatically mount to /home/ guests/ldapuserX in your system.
- Home directory have write permissions for the corresponding user.
However, you can log on to the ldapuser1 - ldapuser99 users after verification. But you can only get your corresponding ldapuser users. If your system's hostname is server1.example.com, you can only get ldapuser1's home directory.

Question63: Configure a task: plan to run echo "file" command at 14:23 every day.

Question64: Part 2 (on Node2 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