有効なEX200テスト解答RedHat EX200試験PDF問題を試そう
RedHat EX200認定リアル2024年最新の模擬試験合格させます
RHCSA試験を受験するには、Linux管理と基本的なコマンドラインスキルについての十分な理解が必要です。また、Red Hat Enterprise Linuxまたは他のLinuxディストリビューションでの作業経験が必要です。この試験は、システム管理、ネットワーク管理、セキュリティ、およびトラブルシューティングなど、広範なトピックをカバーしています。
RHCSA認定試験は、候補者がシミュレートされた環境で実際のタスクを実行する能力をテストする実践試験です。この試験は、システム管理、ネットワーク構成、ファイルシステム管理、ユーザー/グループ管理、セキュリティなどの分野で候補者の知識をテストするように設計されたいくつかのタスクで構成されています。試験は2.5時間以内に完了するように設計されており、候補者は試験に合格するために300ポイントのうち少なくとも210ポイントを獲得する必要があります。
RHCSA試験は、候補者がライブシステムで実際のタスクを実行する必要がある実践的なテストです。試験は、システム管理者が日常業務で実行するタスクをシミュレートする一連の実践的な演習から構成されています。候補者は、コマンドラインインターフェースを使用してシステム管理タスクを実行する能力だけでなく、RHELシステムで発生する可能性のある一般的な問題をトラブルシューティングする能力を証明する必要があります。RHCSA認定は、Red Hat Certified Engineer（RHCE）やRed Hat Certified Architect（RHCA）などのより高度な認定の前提条件であり、Linuxシステム管理のキャリアを追求したい人にとって必須のステップです。
質問 # 19
What statement is true regarding the Swarm service created by the following command?
docker service create --name myweb --network webnet --mode global nginx
- A. It runs exactly one time in the Swarm and cannot be scaled.
- B. It runs on one node by default and can be scaled to an arbitrary number of replicas.
- C. It runs on all nodes which provide the network webnet.
- D. It runs only on those nodes which support the network type global.
- E. It runs exactly once on each node in a Swarm.
正解：B
解説：
Explanation/Reference:
質問 # 20
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.
正解：
解説：
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
質問 # 21
Which of the following commands lists the cookbooks available on a Chef server?
- A. knife cookbook list
- B. chef-server cookbook list
- C. chef-client cookbook list
- D. kitchen cookbook list
- E. chef-solo cookbook list
正解：B
質問 # 22
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.
正解：
解説：
see explanation below.
Explanation
mkdir /home/admins
chgrp -R adminuser /home/admins
chmodg+w /home/admins
chmodg+s /home/admins
質問 # 23
Some users home directory is shared from your system. Using showmount -e localhost command, the shared directory is not shown. Make access the shared users home directory.
正解：
解説：
Verify the File whether Shared or not ? : cat /etc/exports
Start the nfs service: service nfs start
Start the portmap service: service portmap start
Make automatically start the nfs service on next reboot: chkconfig nfs on Make automatically start the portmap service on next reboot: chkconfig portmap on Verify either sharing or not: showmount -e localhost Check that default firewall is running on system?
If running flush the iptables using iptables -F and stop the iptables service.
質問 # 24
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.
正解：
解説：
Use netconfig command
Enter the IP Address as given station number by your examiner: example: 172.24.0.1 Enter Subnet Mask Enter Default Gateway and primary name server press on ok ifdown eth0 ifup eth0 verify using ifconfig In the lab server is playing the role of router, IP forwarding is enabled. Just set the Correct IP and gateway, you can ping to 172.25.254.254.
質問 # 25
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".
正解：
解説：
system-config-authentication &
質問 # 26
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.
正解：
解説：
nameserver is specified in question,
1. Vi /etc/resolv.conf
nameserver 192.168.0.254
2. host server1.example.com
質問 # 27
SIMULATION
A YUM source has been provided in the
http://instructor.example.com/pub/rhel6/dvd
Configure your system and can be used normally.
正解：
解説：
See explanation below.
Explanation/Reference:
Explanation:
/etc/yum.repos.d/base.repo
[base]
name=base
baseurl=http://instructor.example.com/pub/rhel6/dvd
gpgcheck=0
yum list
質問 # 28
Resize the logical volume vo and its filesystem to 290 MB. Make sure that the filesystem contents remain intact.
Note: Partitions are seldom exactly the same size requested, so a size within the range of 260 MB to 320 MiB is acceptable.
正解：
解説：
df -hT
lvextend -L +100M /dev/vg0/vo
lvscan
xfs_growfs /home/ // home is LVM mounted directory
Note: This step is only need to do in our practice environment, you do not need to do in the real exam resize2fs /dev/vg0/vo // Use this comand to update in the real exam df -hT OR e2fsck -f/dev/vg0/vo umount /home resize2fs /dev/vg0/vo required partition capacity such as 100M lvreduce -l 100M /dev/vg0/vo mount /dev/vg0/vo /home df -Ht
質問 # 29
SIMULATION
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.
正解：
解説：
See explanation below.
Explanation/Reference:
Explanation:
mkdir -p /common/admin
chgrp admin /common/admin
chmod 2770 /common/admin
質問 # 30
Configure your Host Name, IP Address, Gateway and DNS.
Host name: dtop5.dn.ws.com
IP Address: 172.28.10.5/4
Gateway: 172.28.10.1
DNS: 172.28.10.1
正解：
解説：
Configure Host Name
vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=dtop5.dn.ws.com GATEWAY=172.28.10.1
2. Configure IP Address, Gateway and DNS
Configure the network by Network Manager:
Note: Please remember to choose two options:
Connect automatically
Available to all users
Click "Apply", save and exit, and restart your network services:
# Service network restart
3. Validate these profiles:
a) Check gateway: # vim / etc / sysconfig / network
NETWORKING=yes
HOSTNAME=dtop5.dn.ws.com
GATEWAY=172.28.10.1
b) Check Host Name: # vim /etc/hosts
c) Check DNS: # vim /etc/resolv.conf
# Generated by NetworkManager
Search dn.ws.com
Nameserver 172.28.10.1
d) Check Gateway: # vim /etc/sysconfig/network-scripts/ifcfg-eth0
質問 # 31
CORRECT TEXT
Configure a task: plan to run echo hello command at 14:23 every day.
正解：
解説：
# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)
質問 # 32
Who ever creates the files/directories on archive group owner should be automatically should be the same group owner of archive.
正解：
解説：
see explanation below.
Explanation
* chmod g+s /archive
* Verify using: ls -ld /archive Permission should be like:
drwxrws--- 2 root sysuser 4096 Mar 16 18:08 /archive
If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory.
To set the SGID bit: chmod g+s directory
To Remove the SGID bit: chmod g-s directory
質問 # 33
There is a local logical volumes in your system, named with common and belong to VGSRV volume group, mount to the /common directory. The definition of size is 128 MB.
Requirement:
Extend the logical volume to 190 MB without any loss of dat
a. The size is allowed between 160-160 MB after extending.
正解：
解説：
lvextend -L 190M /dev/mapper/vgsrv-common resize2fs /dev/mapper/vgsrv-common
質問 # 34
CORRECT TEXT
Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.
正解：
解説：
# cat /etc/grub.conf
# cd /boot
# lftp it
# get dr/dom/kernel-xxxx.rpm
# rpm -ivh kernel-xxxx.rpm
# vim /etc/grub.conf
default=0
質問 # 35
SIMULATION
Please open the ip_forward, and take effect permanently.
正解：
解説：
See explanation below.
Explanation/Reference:
Explanation:
vim /etc/sysctl.conf net.ipv4.ip_forward = 1
sysctl -w (takes effect immediately)
If no "sysctl.conf" option, use these commands:
sysctl -a |grep net.ipv4
sysctl -P net.ipv4.ip_forward = 1
sysctl -w
質問 # 36
Binding to an external validation server.
System server.domain11.example.com provides a LDAP validation service, your system should bind to this service as required:
Base DN of validation service is dc=example,dc=com
LDAP
is used for providing account information and validation information Connecting and using the certification of
http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to encrypt
After the correct configuration, ldapuser1 can log into your system, it does not have HOME directory until you finish autofs questions, ldapuser1 password is password.
正解：
解説：
see explanation below.
Explanation
yum -y install sssd authconfig-gtk krb5-workstation authconfig-gtk // open the graphical interface Modify user account database to ldap, fill up DN and LDAP SERVER as questions required, use TLS to encrypt connections making tick, write http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to download ca, authentication method choose ldap password.
You can test if the ldapuser is added by the following command:
Id ldapuser1
Note: user password doesn't not need to set
質問 # 37
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EX200ブレーン問題集学習ガイドにはヒントとコツで試験合格を目指そう：https://drive.google.com/open?id=1BWSS5X4VYO0c2E59jUDqXABLlnaoy10e