EX200 | Red Hat EX200 Braindumps 2019

We offers redhat ex200. "EX200 Red Hat Certified System Administrator (RHCSA) Exam", also known as EX200 exam, is a Red Hat Certification. This set of posts, Passing the EX200 exam with hitachi ex200, will help you answer those questions. The redhat ex200 covers all the knowledge points of the real exam. 100% real ex200 exam questions and revised by experts!

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NEW QUESTION 1
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.

    Answer:

    Explanation: see explanation below.
    groupadd admin
    useradd -G admin mary
    useradd -G admin alice
    useradd -s /sbin/nologin bobby
    echo "password" | passwd --stdin mary
    echo "password" | passwd --stdin alice
    echo "password" | passwd --stdin bobby

    NEW QUESTION 2
    We are working on /data initially the size is 2GB. The /dev/test0/lvtestvolume is mount on /data. Now you required more space on /data but you already added all disks belong to physical volume. You saw that you have unallocated space around 5 GB on your harddisk. Increase the size of lvtestvolume by 5GB.

      Answer:

      Explanation: see explanation below.
      EX200 dumps exhibit Create a partition having size 5 GB and change the syste id '8e'.
      EX200 dumps exhibit use partprobe command
      EX200 dumps exhibit pvcreate /dev/hda9 Suppose your partition number is hda9.
      EX200 dumps exhibit vgextend test0 /dev/hda9 vgextend command add the physical disk on volume group.
      EX200 dumps exhibit lvextend -L+5120M /dev/test0/lvtestvolume
      EX200 dumps exhibit verify using lvdisplay /dev/test0/lvtestvolume.

      NEW QUESTION 3
      SIMULATION
      Add an additional swap partition of 754 MB to your system.
      The swap partition should automatically mount when your system boots.
      Do not remove or otherwise alter any existing swap partitions on your system.

        Answer:

        Explanation: EX200 dumps exhibit fdisk -l
        EX200 dumps exhibit fdisk -cu /dev/vda
        p n
        e or p select e
        default (first): enter
        default (last): enter n
        default(first): enter
        default(first): +754M t (1-5)
        1: 82 p
        w #reboot
        #mkswap /dev/vda5
        EX200 dumps exhibit vim /etc/fstab
        /dev/vda5 swap swap defaults 0 0
        wq
        EX200 dumps exhibit mount -a
        EX200 dumps exhibit swapon -a
        EX200 dumps exhibit swapon -s

        NEW QUESTION 4
        Search a String
        Find out all the columns that contains the string seismic within /usr/share/dict/words, then copy all these columns to /root/lines.tx in original order, there is no blank line, all columns must be the accurate copy of the original columns.

          Answer:

          Explanation: grep seismic /usr/share/dict/words> /root/lines.txt

          NEW QUESTION 5
          Add a new logical partition having size 100MB and create the data which will be the mount point for the new partition.

            Answer:

            Explanation: 1. Use fdisk /dev/hda-> To create new partition.
            2. Type n ->For New partitions
            3. It will ask for Logical or Primary Partitions. Press l for logical.
            4. It will ask for the Starting Cylinder: Use the Default by pressing Enter
            Keys
            5. Type the size: +100M you can specify either Last cylinder of size here.
            6. Press P to verify the partitions lists and remember the partitions name.
            7. Press w to write on partitions table.
            8. Either Reboot or use partprobe command.
            9. Use mkfs -t ext3 /dev/hda?
            OR
            1. mke2fs -j /dev/hda? ->To create ext3 filesystem.
            2. vi /etc/fstab
            3. Write:
            /dev/hda? /data ext3 defaults 0 0
            4. Verify by mounting on current sessions also: mount /dev/hda? /data

            NEW QUESTION 6
            Install the appropriate kernel update from http://server.domain11.example.com/pub/updates. The following criteria must also be met:
            The updated kernel is the default kernel when the system is rebooted
            The original kernel remains available and bootable on the system

              Answer:

              Explanation: see explanation below.
              EX200 dumps exhibit ftp server.domain11.example.com Anonymous login
              ftp> cd /pub/updates ftp> ls
              ftp> mget kernel* ftp> bye
              EX200 dumps exhibit rpm -ivh kernel*
              EX200 dumps exhibit vim /etc/grub.conf
              Check the updatted kernel is the first kernel and the orginal kernel remains available. set default=0 wq!

              NEW QUESTION 7
              Configure a user account.
              Create a user iaruid is 3400. Password is redhat

                Answer:

                Explanation:
                useradd -u 3400 iar
                passwd iar

                NEW QUESTION 8
                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

                  Answer:

                  Explanation: /proc is the virtual filesystem, containing the information about the running kernel.
                  To change the parameter of running kernel you should modify on /proc. From Next reboot the system, kernel will take the value from /etc/sysctl.conf.

                  NEW QUESTION 9
                  You have a domain named www.rhce.com associated IP address is 192.100.0.2. Configure the Apache web server by implementing the SSL for encryption communication.

                    Answer:

                    Explanation: EX200 dumps exhibit vi /etc/httpd/conf.d/ssl.conf <VirtualHost 192.100.0.2> ServerName www.rhce.com DocumentRoot
                    /var/www/rhce DirectoryIndex index.html index.htm ServerAdmin webmaster@rhce.com SSLEngine on SSLCertificateFile /etc/httpd/conf/ssl.crt/server.crt SSLCertificateKeyFile
                    /etc/httpd/conf/ssl.key/server.key </VirtualHost>
                    EX200 dumps exhibit cd /etc/httpd/conf 3 make testcert
                    EX200 dumps exhibit Create the directory and index page on specified path. (Index page can download from ftp://server1.example.com at exam time)
                    EX200 dumps exhibit service httpd start|restart
                    EX200 dumps exhibit chkconfig httpd on
                    Apache can provide encrypted communications using SSL (Secure Socket Layer). To make use of encrypted communication, a client must request to https protocol, which is uses port 443. For HTTPS protocol required the certificate file and key file.

                    NEW QUESTION 10
                    Configure NTP.
                    Configure NTP service, Synchronize the server time, NTP server: classroom.example.com

                      Answer:

                      Explanation:
                      Configure the client:
                      Yum -y install chrony
                      Vim /etc/chrony.conf
                      Add: server classroom.example.com iburst
                      Start: systemctl enable chronyd
                      systemctl restart chronyd
                      Validate: timedatectl status

                      NEW QUESTION 11
                      Create a logical volume
                      Create a new logical volume as required:
                      Name the logical volume as database, belongs to datastore of the volume group, size is 50 PE. Expansion size of each volume in volume group datastore is 16MB.
                      Use ext3 to format this new logical volume, this logical volume should automatically mount to /mnt/database

                        Answer:

                        Explanation: fdisk -cu /dev/vda// Create a 1G partition, modified when needed
                        partx –a /dev/vda
                        pvcreate /dev/vdax
                        vgcreate datastore /dev/vdax –s 16M
                        lvcreate– l 50 –n database datastore
                        mkfs.ext3 /dev/datastore/database
                        mkdir /mnt/database
                        mount /dev/datastore/database /mnt/database/ df –Th
                        vi /etc/fstab
                        /dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount –a
                        Restart and check all the questions requirements.

                        NEW QUESTION 12
                        Update the kernel from ftp://instructor.example.com/pub/updates. According the following requirements:
                        EX200 dumps exhibit The updated kernel must exist as default kernel after rebooting the system.
                        EX200 dumps exhibit The original kernel still exists and is available in the system.

                          Answer:

                          Explanation: rpm -ivh kernel-firm…
                          rpm -ivh kernel...

                          NEW QUESTION 13
                          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?

                            Answer:

                            Explanation: EX200 dumps exhibit vi /etc/sysconfig/network GATEWAY=192.168.0.254
                            OR
                            vi /etc/sysconf/network-scripts/ifcfg-eth0 DEVICE=eth0
                            BOOTPROTO=static
                            ONBOOT=yes
                            IPADDR=192.168.0.?
                            NETMASK=255.255.255.0
                            GATEWAY=192.168.0.254
                            EX200 dumps exhibit service network restart
                            Gateway defines the way to exit the packets. According to question System working as a router for two networks have IP Address 192.168.0.254 and 192.168.1.254.

                            NEW QUESTION 14
                            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.

                              Answer:

                              Explanation: Using the browser open the URL in the question, download kernel file to root or home directory. uname –r// check the current kernel version
                              rpm –ivh kernel-*.rpm
                              vi /boot/grub.conf// check
                              Some questions are: Install and upgrade the kernel as required. To ensure that grub2 is the default item for startup.
                              Yum repo : http://content.example.com/rhel7.0/x86-64/errata
                              OR
                              uname -r // check kernel
                              Yum-config-manager
                              --add-repo=“http://content.example.com/rhel7.0/x86-64/ errata”
                              Yum clean all
                              Yum list kernel// install directly
                              Yum -y install kernel// stuck with it, do not pipe! Please do not pipe!
                              Default enable new kernel grub2-editenv list// check
                              Modify grub2-set-default “kernel full name”
                              Grub2-mkconfig –o/boot/grub2/grub.cfg// Refresh

                              NEW QUESTION 15
                              Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.

                                Answer:

                                Explanation: # fdisk /dev/sda
                                p
                                (check Partition table)
                                n
                                (create new partition: press e to create extended partition, press p to create the main partition, and the extended partition is further divided into logical partitions)
                                Enter
                                +2G t
                                8 I
                                82
                                W
                                partx -a /dev/sda
                                partprobe
                                mkswap /dev/sda8
                                Copy UUID
                                swapon -a
                                vim /etc/fstab
                                UUID=XXXXX swap swap defaults 0 0
                                (swapon -s)

                                NEW QUESTION 16
                                Create a backup
                                Create a backup file named /root/backup.tar.bz2, contains the content of /usr/local, tar must use bzip2 to compress.

                                  Answer:

                                  Explanation: cd /usr/local
                                  tar –jcvf /root/backup.tar.bz2
                                  mkdir /test
                                  tar –jxvf /root/backup.tar.bz2 –C /test// Decompression to check the content is the same as the /usr/loca after If the questions require to use gzip to compress. change –j to –z.

                                  NEW QUESTION 17
                                  Configure a task: plan to run echo hello command at 14:23 every day.

                                    Answer:

                                    Explanation: # which echo
                                    # crontab -e
                                    23 14 * * * /bin/echo hello
                                    # crontab -l (Verify)

                                    NEW QUESTION 18
                                    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.

                                      Answer:

                                      Explanation: EX200 dumps exhibit groupadd sysmgrs
                                      EX200 dumps exhibit useradd -G sysmgrs Natasha
                                      EX200 dumps exhibit We can verify the newly created user by cat /etc/passwd)
                                      # useradd -G sysmgrs harry
                                      # useradd -s /sbin/nologin sarrh
                                      # passwd Natasha
                                      # passwd harry
                                      # passwd sarrah

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