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The EX200 exam is a performance-based exam that is conducted in a virtual environment. EX200 exam consists of a series of tasks that must be completed within a specific time frame. The tasks are designed to assess the candidate's ability to perform real-world tasks related to system administration. EX200 Exam is conducted in a secure environment to ensure the authenticity and integrity of the results.
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NEW QUESTION # 34
20. Set the default UMASK for user-created files
For the user natasha:
* The default permission for newly created files should be r--r--r--
* The default permission for newly created directories should be r-xr-xr-x
Answer:
Explanation:
Solution:
# su - natasha
Write the umask setting into the user's .bashrc file in the home directory:
bash
Copy code
echo 'umask 222' >> .bashrc
source .bashrc
Command explanation:
umask is used to control the default permissions for files and directories created by a user.
In umask:
The first digit is for special permissions and is usually 0 (can be omitted if not needed).
The second digit controls owner permissions.
The third digit controls group permissions.
The fourth digit controls permissions for others.
NEW QUESTION # 35
CORRECT TEXT
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
theextended partition is further divided into logical partitions) Enter
+2G
t
l
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 # 36
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
Answer:
Explanation:
Answer see in the explanation.
Explanation/Reference:
# 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
l
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 # 37
The following command is issued on two docker nodes:
docker network create --driver bridge isolated_nw
Afterwards, one container is started at each node with the parameter --network=isolated_nw. It turns out
that the containers can not interact with each other. What must be done in order to allow the containers to
interact with each other? (Choose two correct answers.)
Answer: A,E
Explanation:
Explanation/Reference:
Reference https://docs.docker.com/v17.09/engine/userguide/networking/#bridge-networks
NEW QUESTION # 38
One Domain RHCE is configured in your lab, your domain server is server1.example.com. nisuser2001, nisuser2002, nisuser2003 user are created on your server 192.168.0.254:/rhome/stationx/nisuser2001. Make sure that when NIS user login in your system automatically mount the home directory. Home directory is separately shared on server /rhome/stationx/ where x is your Station number.
Answer:
Explanation:
see explanation below.
Explanation
* use the authconfig --nisserver=<NIS SERVER> --nisdomain=<NIS DOMAIN> -- update Example: authconfig --niserver=192.168.0.254 --nisdomain=RHCE --update or system-config-authentication
* Click on Enable NIS
* Type the NIS Domain: RHCE
* Type Server 192.168.0.254 then click on next and ok
* You will get a ok message.
* Create a Directory /rhome/stationx where x is your station number.
* vi /etc/auto.master and write at the end of file /rhome/stationx /etc/auto.home --timeout=60
* vi /etc/auto.home and write
* -rw,soft,intr 192.168.0.254:/rhome/stationx/&
Note: please specify your station number in the place of x.
* Service autofs restart
* Login as the nisuser2001 or nisuser2002 on another terminal will be Success. According to question, RHCE domain is already configured. We have to make a client of RHCE domain and automatically mount the home directory on your system. To make a member of domain, we use the authconfig with option or system-config authentication command. There a are lots of authentication server i.e NIS, LDAB, SMB etc. NIS is a RPC related Services, no need to configure the DNS, we should specify the NIS server address.
Here Automount feature is available. When user tried to login, home directory will automatically mount. The automount service used the /etc/auto.master file. On
/etc/auto.master file we specified the mount point the configuration file for mount point.
NEW QUESTION # 39
......
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