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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 1

alice is a user account used by Alice on a Solaris 11 system.
sadmin is a role account on the same system.
Your task is to add the command /usr/sbin/cryptoadm to the Network management profile, so that Alice can execute it, while assuming the sadmin role.
Select the three activities necessary to accomplish this.

Correct Answer: C,D,G
Explanation/Reference:
Explanation:
C: /etc/security/exec_attr is a local database that specifies the execution attributes associated with profiles.
The exec_attr file can be used with other sources for execution profiles, including the exec_attr NIS map and NIS+ table.
A profile is a logical grouping of authorizations and commands that is interpreted by a profile shell to form a secure execution environment.
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Question 2

Before booting test zone a non-global zone, you want to connect to the zone's console so that you can watch the boot process.
Choose the command used to connect to testzone's console.

Correct Answer: E
The following options are supported:
Connects to the zone console. Connects to the zone console.
Note:
After you install a zone, you must log in to the zone to complete its application environment. You
might log in to the zone to perform administrative tasks as well. Unless the -C option is used to
connect to the zone console, logging in to a zone using zlogin starts a new task. A task cannot
span two zones
Reference: man zlogin
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Question 3

Which network protocol provides connectionless, packet-oriented communication between applications?

Correct Answer: B
Explanation/Reference:
Explanation:
The User Datagram Protocol (UDP) is one of the core members of the Internet Protocol Suite, the set of network protocols used for the Internet. With UDP, computer applications can send messages, in this case referred to as datagrams, to other hosts on an Internet Protocol (IP) network without requiring prior communications to set up special transmission channels or data paths.
Compared to TCP, UDP is a simpler message-based connectionless protocol.
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Question 4

You are attempting to edit your crontab file in the bash shell. Instead of getting your usual vi interface, you are presented with an unfamiliar interface. In order to have your editor of choice-viwhat command must you type after exiting the unfamiliar editor?

Correct Answer: A
Set the EDITOR variable to vi.
Commands like `crontab -e` will use ed per default. If you'd like to use some better editor (like vi)
you can use the environment variable EDITOR:
# EDITOR=vi; crontab -e will open the users crontab in vi. Of course you can set this variable
permanently.
Incorrect answers
C: -e Edits a copy of the current user's crontab file, or creates an empty file to edit if crontab does not exist. When editing is complete, the file is installed as the user's crontab file. If a username is given, the specified user's crontab file is edited, rather than the current user's crontab file; this can only be done by a user with the solaris.jobs.admin authorization. The environment variable EDITOR determines which editor is invoked with the -e option. The default editor is ed(1). All crontab jobs should be submitted using crontab. Do not add jobs by just editing the crontab file, because cron is not aware of changes made this way.
Reference: Setting the default editor
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Question 5

You are troubleshooting the failure of a computer to mount an NFS file system hosted by a server (hostname mars) in the local area network.
Select the three commands that will enable you to identify the problem.

Correct Answer: B,E,F
B: The mount point Error. The following message appears during the boot process or in
response toan explicit mount request and indicates a non-existent mount point.
Mount: mount-point /DS9 does not exist.
To solve the mount point error condition,check that the mount point exists on the client.
Check the spelling of the mount point on the command line or in the /etc/vfstab file (B) on
the client,or comment outthe entry and reboot the system.
Note: The /etc/vfstab file lists all the file systems to be automatically mounted at system boot time,with the exception of the /etc/mnttab and /var/run file systems.
E: showmount This command displays all clients that have remotely mounted file systems that are shared from an NFS server,or only the file systems that are mounted by clients,or the shared file systems with the client access information. The command syntax is:
showmount [ -ade ] [ hostname ]
where -a prints a list of all the remote mounts (each entry includes the client name and the directory),-d prints a list of the directories that are remotely mounted by clients,-e prints a list of the files shared (or exported),and hostname selects the NFS server to gather the information from. If hostname is not specified the local host is queried.
F: * mountd Daemon
This daemon handles file-system mount requests from remote systems and provides
access control. The mountd daemon checks /etc/dfs/sharetab to determine which file
systems are available for remote mounting and which systems are allowed to do the
remote mounting.
* Commands for Troubleshooting NFS Problems
These commands can be useful when troubleshooting NFS problems.
rpcinfo Command
This command generates information about the RPC service that is running on a system.
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