1z0-821 sample questions

Question 1

The advantage of core tiles is that they allow you an opportunity to examine the cause of problems, so that they can be resolved. However, core files must be managed because they ________.

Accepted Answer

take up large amounts of disk space

Answer

make numerous entries into the /var/adm/wtmpx file

Answer

steal resources from the processor, slowing down system performance

Answer

fill up swap space; this will begin to slow the system due to swaps

Answer

fill up swap space; this will begin to slow the system due to paging

Question 2

A user account must be a member of a primary group, and may also be a member of one or more secondary groups.

What is the maximum total number of groups that one user can concurrently belong to?

Accepted Answer

16

Answer

15

Answer

17

Answer

63

Answer

64

Answer

65

Answer

The number of groups one user can concurrently belong to is unlimited in Solaris 11.

Question 3

View the Exhibit to see the information taken from the installation log file.
Based on the information presented in the Exhibit, which two options describe the state of the system when the server is booted for the first time after the installation is complete?

Accepted Answer

The network/physical service is offline.

Accepted Answer

The root user can log in from the console login.

Answer

NWAM will be used to configure the network interface.

Answer

You cannot log in from the console as root. You must first log in as a user and then su to root account.

Answer

You will be prompted to configure the network interface after the initial login.

Question 4

Which command would you use from the bash shell to determine the total amount of physical memory installed in your Solaris system (x86 and SPARC)?

Accepted Answer

prtconf I grep -i memory

Answer

uname -a

Answer

sysdef | grep -i memory

Answer

vmstat

Answer

prtdiag | grep -i memory

Question 5

You created an IP address for interface not.3 with the following command, which executed successfully:
ipadm create-addr-T static-a 192.168.0.100/24 net3/v4
You then ran: ipadm show-if
The result indicated that the interface was down.
You then ran:
ipadm delete-addr net3/v4
ipadm create-addr-T static-a 192.168.0.101/24 net3/v4
ipadm show-if
The last command indicated thatthe interface was up.
Why did it work with the second address specified, but not the first?

Accepted Answer

Another device exists on the network, using the 192.168.0.100 address.

Answer

The 192.168.0.100 address is reserved for broadcast messages.

Answer

The network interface card does notsupportthe address 192.168.0.100.

Answer

The address 192.168.0.100 is at a boundary and may not be configured in Oracle Solaris 11.

Answer

192.168.0.100 is a DHCP address and may not be statically configured in Oracle Solaris 11.

Question 6

Examine this command and its output:
$ zfs list - -t all tank
Name USED AVAIL REFER MOUNTPOINT
tank3.00G 1.84G 32K/tank
tankj'database 3.00G 1.84G 2.00G /tank/database
tank/[email protected] 1.00G - 2.00G -

Which two conclusions can be drawn based on this output?

Accepted Answer

The tank dataset consumes 3 GB of storage.

Accepted Answer

The tankj'[email protected] dataset consumes 1 GB of storage that is shared with its parent.

Answer

The tankj'[email protected] dataset consumes 1 GB of storage that is not shared with its parent.

Answer

The tankj'[email protected] dataset consumes 2 GB of storage that is shared with its child.

Answer

The tankj'[email protected] dataset consumes 2 GB of storage that is not shared with its child.

Question 7

To confirm the IP addresses and netmasks have been correctly configured on the network interfaces, which command(s) should you use?

Accepted Answer

ipadm show-addr

Answer

ipadm show-if

Answer

ipadm show-nic

Answer

ipadm show-addr ipadm show-mask

Answer

ipadm show-ip ipadm show-mask

Answer

ipadm show-config

Question 8

You are the administrator for a group of shell script developers. They use vi, and have asked you to make their scripts automatically executable when they save their files. How can this be accomplished?

Accepted Answer

It is not possible to automatically set the execute bit on with the umask setting, or vi option.

Answer

Enter set-o vi on the command line, or include it in each user's startup script.

Answer

Enter umask -s on the command line, or include it in each user's startup script.

Answer

Enter umask 000 on the command line, or include it in each user's startup script.

Answer

Enter umask 777 on the command line, or include it in each user's startup script.

Answer

Enter umask 766 the command line, or include it in the global startup script for the default shell.

Question 9

You notice thatthe /var/.dm/messages file has become very large. Typically, this is managed by a crontab entry.

Which entry should be in the root's crontab file?

Accepted Answer

103
/usr/sbin/logadm

Answer

103
/usr/adm/messages

Answer

103
/usr/sbi n/syslog rotate

Answer

103
/usi/sbin/logrotate

Answer

103
/usr/sbin/messages

Question 10

You want to deploy Oracle Solaris 11 with the Automated Installer (Al). You need to make sure that your server and network meet the requirements for using Al.
Identify two requirements for using Al.

Accepted Answer

You should set up DHCP. The DHCP server and Al install server can be the same machine or two different machines.

Accepted Answer

lftwo client machines have different architectures and need to be installed with the same version of the Cracle Solaris 11 CS, then you should create two Al manifests and a single install service.

Answer

You can create only one manifest per install service. If you need more than one manifest, you should create multiple install services.

Answer

The minimum requirementto operate as an Al install server is 1 GB of memory.

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Free 1z0-821 sample questions

The advantage of core tiles is that they allow you an opportunity to examine the cause of problems, so that they can be resolved. However, core files must be managed because they ________.

A user account must be a member of a primary group, and may also be a member of one or more secondary groups. What is the maximum total number of groups that one user can concurrently belong to?

View the Exhibit to see the information taken from the installation log file. Based on the information presented in the Exhibit, which two options describe the state of the system when the server is booted for the first time after the installation is complete?

Which command would you use from the bash shell to determine the total amount of physical memory installed in your Solaris system (x86 and SPARC)?

Examine this command and its output: $ zfs list - -t all tank Name USED AVAIL REFER MOUNTPOINT tank3.00G 1.84G 32K/tank tankj'database 3.00G 1.84G 2.00G /tank/database tank/[email protected] 1.00G - 2.00G - Which two conclusions can be drawn based on this output?

To confirm the IP addresses and netmasks have been correctly configured on the network interfaces, which command(s) should you use?

You are the administrator for a group of shell script developers. They use vi, and have asked you to make their scripts automatically executable when they save their files. How can this be accomplished?

You notice thatthe /var/.dm/messages file has become very large. Typically, this is managed by a crontab entry. Which entry should be in the root's crontab file?

You want to deploy Oracle Solaris 11 with the Automated Installer (Al). You need to make sure that your server and network meet the requirements for using Al. Identify two requirements for using Al.

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