Question # 1
Which is the result of the following command?
# zfs send –i dpool/sales/qrreports@qtrreport dpool/sales/qrreports@mth3qtrreport | | A. An error message will be sent to standard error.
| | B. The dpool/sales/qrreports@qtrreport snapshot is saved to disk.
| | C. The dpool/sales/qrreports@mth3qtrreport snapshot is saved to disk
| | D. The difference between the First snapshot and the second snapshot will be written to
disk
|
A. An error message will be sent to standard error.
Explanation: root@solaris:~# zfs snapshot pool1/sales/qrreports@qrreportroot@solaris:~#
zfs list -t snapshot -r pool1/sales/qrreportsNAME USED AVAIL REFER
MOUNTPOINTpool1/sales/qrreports@qrreport 0 - 31K -root@solaris:~# zfs send -i
pool1/sales/qrreports@qrreport pool1/sales/qrreports@mth2qtrreportError: Stream can not
be written to a terminal.You must redirect standard output.
Question # 2
You administer a system with three nonglobal zones. All three-zones (z1, z2, and z3) use a
common resource pool. The pool is a fixed, two-CPU configuration. The default scheduler
is FSS.
Zones z1 and z2 run applications that, over time, consume all available CPU resources.
You have allotted 20 shares each to these zones. Zone z3 runs a mission-critical
application, so you allotted it 60 shares.
Because of application maintenance, zone z3 is currently using about 10% of the CPU
resources in the shared pool. Which option describes the demand when available CPU
resources are consumed by zones z1 and z2? | | A. Zones z1 and z2 will consume CPU resources until each zone consumes approximately
20% of the CPU resources, and only then they will be constrained.
| | B. Zones z1 and z2 will consume CPU resources until each zone consumes approximately
60% of the CPU resources, and only then they will be constrained.
| | C. Zones z1 and z2 will consume CPU resources until each zone consumes approximately
90% of the CPU resources, and only then they will be constrained.
| | D. Zones z1 and z2 will consume CPU resources until each zone consumes all the
resources that they require, up to 100%. |
C. Zones z1 and z2 will consume CPU resources until each zone consumes approximately
90% of the CPU resources, and only then they will be constrained.
Question # 3
Examine the following information:
Which statement describes the user auuser audit mask? | | A. All failed and successful lo events, all failed and successful am events will be logged, no
ss events will be logged.
| | B. All failed and successful lo events, all failed and successful am events and successful ss
events will be logged.
| | C. All failed and successful lo events, all failed and successful am events and failed ss
events will be logged.
| | D. All failed and successful lo events and all failed and successful ss events will be logged. |
A. All failed and successful lo events, all failed and successful am events will be logged, no
ss events will be logged.
Explanation:
Note:
* The Trusted Solaris environment provides audit classes including:
ss - Change system state
no - Invalid class
lo - Login or logout
* always-audit
Lists the audit classes that are audited for this user. Modifications to the system-wide
classes are prefixed by a caret (^). Classes that are added to the system-wide classes are
not prefixed by a caret.
never-audit
Lists the audit classes that are never audited for the user, even if these audit events are
audited system-wide. Modifications to the system-wide classes are prefixed by a caret (^).
* Process preselection mask – A combination of the system-wide audit mask and the userspecific
audit mask, if a user audit mask has been specified. When a user logs in, the login
process combines the preselected classes to establish the process preselection mask for
the user's processes. The process preselection mask specifies whether events in each
audit class are to generate audit records.
Oracle 1z0-822 : Practice Test
Best Solution to Pass Your Exam 77
The following algorithm describes how the system obtains the user's process preselection
mask:
(system-wide default flags + always-audit-classes) - never-audit-classes
* getent user_attr
getent
- get entries from administrative database
getent gets a list of entries from the administrative database specified by database. The
information generally comes from one or more of the sources that are specified for the
database in /etc/nsswitch.conf.
Question # 4
Yon are using the svc:/network/http:apache22 service to manage your web server.
You have noticed that this service starts as the root: user and later changes to a
nonprivileged user called webservd. You do not want this service to operate as the root
user and any time. Which option correctly describes how you could achieve this task?
| | A. Modify the privileges in the service configuration.
| | B. Add an authorization to the webservd users' rights' profile.
| | C. Create a webservd role with a modified exec_attr entry.
| | D. Modify the PHIV_AWARE state of the service configuration.
|
A. Modify the privileges in the service configuration.
Explanation: A service can be configured to run within a limited set of privileges, rather
than as the all-powerful root user.
Question # 5
Consider the following commands on a newly installed system:
zfs set compression=on rpool
zfs get –H –o source compression rpool
What is the output of the second command? | | A. default
| | B. –
| | C. local
| | D. on |
Explanation: The zfs get command supports the -H and -o options, which are designed for
scripting. You can use the -H option to omit header information and to replace white space
with the Tab character. Uniform white space allows for easily parseable data. You can use
the -o option to customize the output in the following ways:
* The literal name can be used with a comma-separated list of properties as defined in the
Introducing ZFS Properties section.
* A comma-separated list of literal fields, name, value, property, and source, to be output
followed by a space and an argument, which is a comma-separated list of properties.
The following example shows how to retrieve a single value by using the -H and -o options
of zfs get:
# zfs get -H -o value compression tank/home
on
Question # 6
You capped the physical memory for the testzone at 50M. Which option would temporary
increase the cap to 100M? | | A. rctladm –z testzone zone.capped-memory=100M
| | B. rcapadm –z testzone –m 100M
| | C. rcapadm –z testzone zone.capped-memory=100M
| | D. prctl testzone –m 100M
|
B. rcapadm –z testzone –m 100M
Explanation: How to Specify a Temporary Resource Cap for a Zone
This procedure is use to allocate the maximum amount of memory that can be consumed
by a specified zone. This value lasts only until the next reboot. To set a persistent cap, use
the zonecfg command.
1. Become superuser, or assume a role that includes the Process Management profile.
The System Administrator role includes the Process Management profile.
2. Set a maximum memory value of 512 Mbytes for the zone my-zone.
# rcapadm -z testzone -m 512M
Question # 7
Identify two acceptable values for a <dependent> element in a service manifest.
| | A. require_all
| | B. optional_all
| | C. optional_any
| | D. restart_on
| | E. none |
A. require_all
B. optional_all
Explanation: Service Dependency. This element identifies a group of FMRIs upon which
the service is in some sense dependent.
ATTRIBUTE: Grouping:
Possible values:
'require_all',
'require_any',
'exclude_all',
‘optional_all'
Note:
* Example 1:
<dependency
name='network'
grouping='require_all'
restart_on='none'
type='service'>
<service_fmri value='svc:/milestone/network:default' />
</dependency>
* In this example, let's choose the svc:/system/zones:default service instance. We can use
the -l option and the service name to get more information, as shown in Listing 3.
# svcs -l svc:/system/zones:default
fmri svc:/system/zones:default
name Zones autoboot and graceful shutdown
enabled true
state online
next_state none
state_time June 14, 2012 08:30:31 PM NZST
logfile /var/svc/log/system-zones:default.log
restarter svc:/system/svc/restarter:default
manifest /etc/svc/profile/generic.xml
manifest /lib/svc/manifest/system/zones.xml
manifest /lib/svc/manifest/system/zonestat.xml
dependency require_all/none svc:/milestone/multi-user-server (online)
dependency optional_all/none svc:/system/pools:default (disabled)
dependency optional_all/none svc:/system/pools/dynamic:default (disabled)
dependency optional_all/none svc:/system/zones-monitoring (online)
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