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  1. Home
  2. Oracle Certification
  3. 1Z0-821 Exam
  4. Oracle.1Z0-821.v2024-03-21.q239 Dumps
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Question 161

You have been asked to terminate a process that appears to be hung and will not terminate. The process table is shown below:
root 15163 15156 0 12:51:15 pts/3 0:00 hungscript What command will terminate the process?

Correct Answer: A
Here we should use SIGTERM to terminate the process.
Note:
When no signal is included in the kill command-line syntax, the default signal that is used is -15
(SIGKILL). Using the -9 signal (SIGTERM) with the kill command ensures that the process
terminates promptly. However, the -9 signal should not be used to kill certain processes, such as
a database process, or an LDAP server process. The result is that data might be lost.
Tip - When using the kill command to stop a process, first try using the command by itself, without
including a signal option. Wait a few minutes to see if the process terminates before using the kill
command with the -9 signal.
Reference: Terminate the process
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Question 162

You display the IP interface information with ipmpstat -i.
Which two characteristics are indicated by characters that may be included in the FLAGS column?

Correct Answer: D,E
Explanation/Reference:
Explanation:
FLAGS
Indicates the status of each underlying interface, which can be one or any combination of the following:
(D) d indicates that the interface is down and therefore unusable.
(E) M indicates that the interface is designated by the system to send and receive IPv6 multicast traffic for the IPMP group.
Note:
i indicates that the INACTIVE flag is set for the interface. Therefore, the interface is not used to send or receive data traffic.
s indicates that the interface is configured to be a standby interface.
m indicates that the interface is designated by the system to send and receive IPv4 multicast traffic for the IPMP group.
b indicates that the interface is designated by the system to receive broadcast traffic for the IPMP group.
h indicates that the interface shares a duplicate physical hardware address with another interface and has been taken offline. The h flag indicates that the interface is unusable.
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Question 163

You want to configure an iSCSI target device on your system.
Select the group package required to install this functionality on your system.

Correct Answer: A
How to Create an iSCSI LUN
The disk volume provided by the server is referred to as the target. When the LUN is
associated with an iSCSI target,it can be accessed by an iSCSI initiator.
The following tasks are completed on the system that is providing the storage device.
1. Install the COMSTAR storage server software.
target# pkg install storage-server
Etc.
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Question 164

User jack logs in to host solaris and then attempts to log in to host oracle using ssh. He receives the following error message:
The authenticity of host oracle (192.168.1.22) can't be established. RSA key fingerprint is 3B:23:a5:6d:ad:a5:76:83:9c:c3:c4:55:a5:18:98:a6
Are you sure you want to continue connecting (yes/no)?
Which two are true?

Correct Answer: B,D
The fingerprints are used to guard against man in the middle attacks. Since ssh
logins usually work over the internet (an insecure connection), someone could hijack your
connection. When you try to log into yourmachine.com, he could get "in the middle" and return
your challenge as if he was yourmachine.com. That way, he could get hold of your login password.
To make this attack harder, ssh stores the fingerprint of the server's public key on the first
connection attempt. You will see a prompt like:
The authenticity of host 'eisen (137.43.366.64)' can't be established.
RSA key fingerprint is cf:55:30:31:7f:f0:c4:a0:9a:02:1d:1c:41:cf:63:cf.
Are you sure you want to continue connecting (yes/no)
When you enter yes, ssh will add the fingerprint to your known_hosts file. you will see
Code:
Warning: Permanently added 'eisen,137.43.366.64' (RSA) to the list of known hosts.
The next time you login, ssh will check whether the host key has changed. A changing host key usually indicates a man in the middle attack, and ssh refuses to connect.
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Question 165

Which files must be edited in order to set up logging of all failed login attempts?

Correct Answer: B
Explanation/Reference:
Explanation:
This procedure captures in a syslog file all failed login attempts.
1. Set up the /etc/default/login file with the desired values for SYSLOG and SYSLOG_FAILED_LOGINS Edit the /etc/default/login file to change the entry. Make sure that SYSLOG=YES is uncommented.
2. Create a file with the correct permissions to hold the logging information.
Create the authlog file in the /var/adm directory.
3. Edit the syslog.conf file to log failed password attempts.
Send the failures to the authlog file.
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