Oracle 1z0-821 Dumps
| Exam Code | 1z0-821 |
| Exam Name | Oracle Solaris 11 System Administration |
| Update Date | 18 Jul, 2026 |
| Total Questions | 243 Questions Answers With Explanation |
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Question # 1
You are executing this command in the default shell: sleep 5000 & The system displays a number. This value is______
A. the priority of the /usr/bin/sleep process
B. the process ID of the /usr/bin/sleep process
C. the process ID of the shell spawned to execute /usr/bin/sleep
D. the process group ID that includes the /usr/bin/sleep process
E. the amount of memory allocated to the /usr/bin/sleep process
F. the current number of instances of the /usr/bin/sleep process
Question # 2
Which three Installation option allow for a "hands free" and "unattended'" Installation of the Solaris 11 environment?
A. Jumpstart
B. LiveCD
C. A text Installation over the network
D. An Automated Installation performed on an x86 client
E. An Automated Installation using media from a local DVD or USB drive
F. An Automated Installation using a networked repository
Question # 3
The OpenBoot firmware controls the operation of the system before the operating system is loaded. Which four tasks are directly controlled by the OpenBoot firmware?
A. Provides a list of boot entries from which to choose
B. Allows hardware to identify itself and load its own plug-in device driver
C. Loads the boot loader from the configured boot device
D. Performs basic hardware testing
E. Installs the console
F. Reads and executes the boot archive
G. Extract and executes the kernel image
Question # 4
Which two options are characteristics of a fast reboot?
A. A fast reboot bypasses grub.
B. A fast reboot cannot be used after a system panic on the x86 platform.
C. A fast reboot can only be executed on the SPARC platform when the config/fastreboot_default property for the svc:/system/boot-config:default service is set to true.
D. A fast reboot uses an in-kernel boot loader to load the kernel into memory.
E. A fast reboot is the default on all platforms.
Question # 5
Which command should you choose to display the current parameters for the FSS scheduler?
A. dispadmin - c FSS
B. prionctl -c FSS
C. dispadmin -c FSS -g
D. priocntl -c FSS -g
Question # 6
You create a flash archive of the Solaris 10 global zone on the serves named sysA. The archive name is s10-system.flar, and it is stored on a remote server named backup_server. On sysA, you create a Solaris 10 branded zone named s10-zone. You want to use the flash archive, located On" /net/bactup_servers/10-system.flar, to install the Operating system in the s10-zone zone. Which command do you choose to install the s10-system.flar archive in the Solaris 10 branded zone (s10-zone)?
A. zoneadm -z s10 -zone install - a net backup_server s10-system.flar -u
B. zonecfg -z s10 -zone install - a net backup_server s10-system.flar -u
C. zoneadm - z s10 -zone clone - s net backup_server s10-system.flar
D. zone cfg - a s10-zone create - t SUNWsolaris10 < net backup_server s10-system.flar
E. zonecfg -z s10-zone install -f net backup backup_server s10-system.flar
Question # 7
You have a user that needs to use the cron tool to schedule some repetitive tasks. When the user enters the crontab –e command in a terminal window, the following error appears: crontab: you are not authorized to use cron. Sorry In order to troubleshoot this issue, in what directory would you start your invest
A. etc cron.d
B. var spool cron
C. var spool cron crontable
D. var spool cron atjobs
Question # 8
Your system is assigned an IP address object 192.168.0.222/24. However, the net mask — expressed as four octets — is required. Which is the correct netmask?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.24
E. 255.255.255.255
Question # 9
Select two correct statements about the authentication services available in Oracle Solaris 11
A. Pluggable Authentication Modules (PAM) is used to control the operation of services such console logins and ftp.
B. The Secure Shell can be configured to allow logins across a network to remote servers without transmitting passwords across the network
C. Secure Remote Procedure Calls (Secure RPC) provides a mechanism to encrypt data on any IP Socket connection.
D. Pluggable Authentication Modules (PAM) is used to implement the Secure Shell in Oracle Solaris 11.
E. Simple Authentication and Security Layer (SASL) provides a mechanism to authenticate and encrypt access to local file system data.
Question # 10
To help with your troubleshooting, you need to determine the version of the OBP. Which two commands will provide you with this information?
A. printenv
B. banner
C. .version
D. set-env
E. show-devs
F. value version
Question # 11
Which two accurately describe the Solaris IPS repository?
A. It contains a collection of operating system patches.
B. It contains a collection of software packages.
C. All packages within an IPS package repository reside in a catalog.
D. It is an ISO image of the Solaris installation media.
E. The packages in a catalog are associated with a specific publisher.
Question # 12
In an effort to reduce storage space on your server, you would like to eliminate duplicate copies of data in your server’s ZFS file systems. How do you specify that pool1/data should not contain duplicate data blocks (redundant data) on write operations?
A. zfs create - o compression=on pool1/data
B. zpool create -o deduplication =on pool1; zfs create pool1/data
C. zfs create - o deduplication=on pool1; zfs create pool1/data
D. zfs create - o dedupratio=2 pool1/data
E. zfs create - o dedup=on pool1/data
Question # 13
Which two statements are true concerning the creation of user accounts by using the useradd command?
A. By default, it will create the user's home directory.
B. New user accounts are unlocked but must change their password at their first login.
C. New user accounts are in a pending activation state until a password is assigned to them.
D. By default, a new group will be added for each new user account.
E. By default, the UID of a new user account will be the next available number above the highest number currently assigned.
F. By default, the UID of a new user account with be the lowest available unused number for nonsystem accounts.
Question # 14
You need to install the solaris-desktop group package. Which command would you use to list the set of packages included in that software group?
A. pkg search
B. pkg info
C. pkginfo
D. pkg contents
Question # 15
The ZFS configuration on your server is: Pool1 6.67G31K/pool Pool1/data31K31K/data Select the three commands that you would use to 1. Create, 2. List, and 3. Delete a snapshot of the /data file system.
A. zfs snapshot pool1/data@now
B. zfs create snapshot pool1/data@now
C. zfs list -t snapshot
D. zfs list -t snapshot pool1/data
E. zfs destroy pool1/data@now
F. zfs destroy snapshot pool1/data@now
Question # 16
To assist in examining and debugging running processes, Solaris 11 has a utility that returns pro arguments and the names and values of environment variables. What is the name of this utility?
A. ppgsz
B. pargs
C. pmap
D. pgrep
Question # 17
The global zone has 8 CPUS. YOU suspect that one of your non global /ones, dbzone, is consuming all of the CPU resources. Which command would you use to view the CPU utilization for all of the zones to confirm this?
A. Run from the global zone:prstat -Z
B. Run from each zonezlogin <zonename> mpstat
C. Run from the global zone:zonestar -r summary
D. Run from the global zone:rctladm -1
E. Run from the global zone:prctl -i
Question # 18
You wish to troubleshoot some issues that you are having on the system. You want to monitor the /var/adm/messages file in real time. Which command would you use to do this?
A. head
B. tail
C. cat
D. file
E. test
Question # 19
You are having an issue with the shutdown command. You wish to determine if the file is a script or an executable program. Which command would you use to determine this?
A. od shutdown
B. file shutdown
C. test shutdown
D. cksum shutdown
E. attrib shutdown
Question # 20
The line set noexec_user_stack= l should be added to the /etc/system file to prevent an executable stack while executing user programs. What is the purpose of this?
A. help prevent core dumps on program errors
B. help programs to execute more quickly by keeping to their own memory space
C. log any messages into the stack log
D. help make buffer-overflow attacks more difficult
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