[Free] 2018(Mar) EnsurePass Passguide Oracle 1z0-820 Dumps with VCE and PDF 31-40

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Upgrade to Oracle Solaris 11 System Administrator

Question No: 31

You created a new zpool. Now you need to migrate the existing ZFS file system from pool1/prod to pool2/prod.

You have these requirements:

  1. Users must have access to the data during the migration, so you cannot shutdown the file system while the migration takes place.

  2. Because you want to copy the data as quickly as possible, you need to increase the server resources devoted to the ZFS migration.

    Which method would you use to modify the ZFS shadow migration daemon defaults to increase the concurrency and overall speed of migration?

    1. Svccfg – s filesystem/shadowd:default

      setprop config_params/shadow_threads=integer: 16 end

      svcadm refresh filesystem/shadowd: default

    2. Specify the -b lt;blocksizegt; option with the zfs create command and increase the value of

      lt;blocksizegt;

    3. Use the -o -volblocksize=lt;blocksizegt;option with the zfs create command and increase the value of the default lt;blocksizegt;.

    4. Svccfg -s filesystem/zfs: default

setprop config_params/shadow_threads = integer: 16 end

svcadm refresh filesystem/zfs:default

Answer: A

Explanation: shadowd is a daemon that provides background worker threads to migrate data for a shadow migration. A shadow migration gradually moves data from a source file system into a new “shadow” file system. Users can access and change their data within the shadow file system while migration is occurring.

The shadowd service is managed by the service management facility, smf(5). Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service#39;s status can be queried using the svcs(1) command.

The svccfg(1M) command can be used to manage the following parameter related to shadowd:

config_params/shadow_threads

Note: Oracle Solaris 11: In this release, you can migrate data from an old file system to a new file system while simultaneously allowing access and modification of the new file system during the migration process.

Setting the shadow property on a new ZFS file system triggers the migration of the older data. The shadow property can be set to migrate data from the local system or a remote system with either of the following values:

file:///path nfs://host:path

Reference: man shadowd

Question No: 32

Which three statements accurately describe the Automated Installation (AI) client?

  1. If the AI client does not match any criteria to use a custom manifest or script, the default manifest is used.

  2. If the AI client does not match any criteria to use a custom manifest or script, the automated installation aborts.

  3. Any manifest or script in a service can be designated to be the default for that service.

  4. Only the default.xml file is used as the default AT client manifest.

  5. If a client system does not use any SC profile, then an interactive tool opens on that client at first boot after that client installation to complete the configuration of that client.

  6. If a client system does not use any SC profile, then the install server will use the default SC profile.

Answer: A,D,E

Explanation: A: Each client uses one and only one AI manifest to complete its installation. The AI manifest is selected for a client according to the following algorithm:

  • If no custom AI manifests are defined for this install service, the default AI manifest is used. The default AI manifest is not associated with any client criteria

  • etc.

    D: When you create a new install service, install_service_image_path/auto_install/manifest/default.xml is the initial default AI manifest for that install service.

    E: Each client can use any number of system configuration profiles. If a client system does not use any configuration profile, then an interactive tool opens on that client at first boot after that client installation to complete the configuration of that client.

    Reference: Installing Oracle Solaris 11 Systems, Customizing Installations

    Question No: 33

    The following information is displayed about the compress/zjp software package, which Is currently installed on this system:

    NAME (PUBLISHER)VERSIONIFO

    Compress/zip3.1.2-0.175.0.0.0.0.537if-

    NAMEVERSIONDATECOMMENT

    Compress/zip3.109 Dec 2011 04:50:38 ESTNone

    Which statement describes the information that is displayed tor the compress/zip software package?

    1. This package cannot be removed.

    2. This package can be updated to a new version when the new version of the package becomes available.

    3. This package cannot be updated.

    4. This package can be updated to version 3.1.3 but not 3.2.

    5. This package cannot be downgraded to version 3.1.1.

    Answer: D Explanation:

    An “f” in the F column indicates the package is frozen. If a package is frozen, you can only install or update to packages that match the frozen version.

    Note: The “i” in the I column indicates that these packages are installed in this image.

    References: Adding and Updating Oracle Solaris 11 Software Packages, Showing Package Install State Information

    Question No: 34

    You have been asked to troubleshoot the initial configuration of a virtual network connecting two local zones with the outside world.

    View the exhibit.

    Ensurepass 2018 PDF and VCE

    The command

    dladm create-vnic -1 vswitch192.168.1 vnic1

    fails with the error

    dladm: invalid link name ‘vswitch192.168.1’ What is the reason for this error?

    1. The name vswitch192.168.1 is not legal.

    2. The zone must be specified with dladm create-vnic -z zone3 vnic1.

    3. The virtual interface must be specified with dladm create-vnic -z zone3 vnic1.

    4. The virtual interface must be created with ipadm create-vnic -1 switch192.168.1.

    5. The virtual switch must be created first with dladm create -etherstub vswitch192.168.1.

    Answer: E

    Explanation: There is no data-link named vswitch192.168. We need to create an etherstub first.

    See Note and example below for details.

    Note: Create a VNIC in the system#39;s global zone.

    # dladm create-vnic -l data-link vnic-name

    data-link is the name of the interface where the VNIC is to be configured.

    -l link, -link=link

    link can be a physical link or an etherstub.

    vnic-name is the name that you want to give the VNIC.

    For example, to create a VNIC named vnic0 on interface e1000g0, you would type the following:

    # dladm create-vnic -l e1000g0 vnic0

    Example: Creating a Virtual Network Without a Physical NIC First, create an etherstub with name stub1:

    # dladm create-etherstub stub1

    Create two VNICs with names hello0 and test1 on the etherstub. This operation implicitly creates a virtual switch connecting hello0 and test1.

    # dladm create-vnic -l stub1 hello0

    # dladm create-vnic -l stub1 test1 Reference: man dladm

    Question No: 35

    Review the zonestat command

    zonestat -q -r physical-memory -R high -z dbzone -p -p quot;zonesquot; 10 24h 60m

    Select the option that correctly describes the information that is displayed by this command

    1. It is a sample of dbzone#39;s physical memory usage taken every hour over a 24-hour period Only the top 10 samplings of peak memory usage are displayed. All other utilization data is eliminated

    2. It is a sample of dbzone#39;s CPU, virtual memory, and networking utilization Physical memory is excluded from the report The sampling is taken every 10 minutes over a 24 hour period and peak utilization is displayed each hour.

    3. ft is a sample of dbzone#39;s CPU, virtual memory, and networking utilization Physical memory is excluded from the report. The sampling is taken every 10 seconds over a 24- hour period and displayed each hour.

    4. It is a sample of dbzone#39;s memory and CPU utilization every 10 seconds over a 24-hour period Only peak virtual memory usage and CPU utilization are displayed each hour All other utilization data is eliminated.

    5. it is a sample of dbzone#39;s physical memory usage taken every 10 seconds over a 24- hour period. Only peak memory usage is displayed each hour All other utilization data is eliminated.

    Answer: E

    Question No: 36

    you are 10 create a l\-zgt; me system witn ine roiiowing specmcaiions:

    Izjb compression enabled

    cannot consume more than 2 GB from the storage pool redundant data at the block level eliminated

    mounted as /data

    Which command creates the desired file system?

    1. zfs create -o mountpoint=/data,compression=on,algorithm=lzjb,deduplication=on,quota=2g/pool1/data

    2. zfs create -o mountpomt=/data compression=on algonthm=lzjb deduphcation=on quota=2g pool!/data

    3. zfs create -o mountpoint=/data -o compression=on -o dedup=on -o quota=2g pooll/data

    4. zfs create -o mountpomt=/data -o compression=on -o algorithm=lzjb -o deduplication=on

      -o quota=2g pool 1/data

    5. zfs create pool 1 /data zfs set mountpoint=/data,quota=2g.dedup=on,compression=on

    /pooM/data

    Answer: C

    Question No: 37

    Which three options describe the purpose of the zonep2vchk command?

    1. Used on a Solaris 10 global zone to access the system for problems before migrating that system to a Solaris 10 branded zone.

    2. Used to access a Solaris 10 global zone for problems before migrating that zone to a Solaris 11 global zone

    3. Used to create zonecfg template for a Solaris 10 global zone that that will be migrated to a solaris10 branded zone.

    4. Used to migrate an Oracle Solaris 11 global zone to a non-global zone.

    5. Used to migrate a Solaris 10 global zone to a non-global zone on the same server; the non-global zone can then be migrated to a Solaris 11 server as a Solaris10 branded zone.

    Answer: C,D,E Explanation: zonep2vchk

    • check a global zone#39;s configuration for physical to virtual migration into non-global zone The zonep2vchk utility is used to evaluate a global zone#39;s configuration before the process

      of physical-to-virtual (p2v) migration into a non-global zone.

      The p2v process involves archiving a global zone (source), and then installing a non-global zone (target) using that archive

      zonep2vchk serves two functions. First, it can be used to report issues on the source which might prevent a successful p2v migration. Second, it can output a template zonecfg, which can be used to assist in configuring the non-global zone target.

      zonep2vchk can be executed on a Solaris 10 or later global zone. To execute on Solaris 10, copy the zonep2vchkutility to the Solaris 10 source global zone.

      When run on Solaris 10, a target release of S11 can be specified, which will check for p2v into a Solaris 10 Branded zone.

      Reference: man zonep2vchk

      Question No: 38

      Before booting testzone. 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#39;s console.

      1. zoneadm -C testzone

      2. zoneadm -console testzone

      3. zlogin -z testzone console C

      4. zlogin -z testzone -C

      5. zlogin -C testzone

      F zoneadm -z testzone -C

      Answer: E

      Question No: 39

      I he Automated Installer is used, rather than JumpStart, to install the Oracle Solans 11 operating System. Identify the two correctly matching pairs of equivalent functionality.

      {Choose two.)

      1. AJ: manifest files JumpStart: begin script

      2. Al:installadmcreate-client JumpStart: setup_install_sen/er

      3. Al SMF system configuration profile files JumpStart: profile files

      4. Al: SMF system configuration profile files JumpStart: finish scripts and sysidcfg files

      Answer: A

      Question No: 40

      Review the zonestat command:

      zonestate – q physical – memory -R high -z -p -p “zones” 10 24h 60m

      Select the option that correctly describes the information that is displayed by this command.

      1. It is a sample of dbzone’s physical memory usage taken every hour over a 24-hour period.

        Only the top 10 samplings of peak memory usage are displayed. All other utilization data is eliminated.

      2. It is a sample of dbzone’s CPU, virtual memory, and networking utilization. Physical memory is executed from the report.

        The sampling is taken every 10 minutes over a 24-hour period and peak utilization id displayed each hour.

      3. It is a sample of dbzone’s CPU, virtual memory, and networking utilization. Physical memory is executed from the report.

        The sampling is taken every 10 minutes over a 24-hour period and displayed each hour.

      4. It is a sample of dbzone’s physical memory usage taken every 10 seconds and 24-hour period.

        Only peak virtual memory usage and CPU utilization are displayed each hour. All other Utilization data is eliminated.

      5. It is a sample of dbzone’s physical memory usage taken every 10 seconds and 24-hour period.

      Only peak memory usage is displayed each hour. All other utilization data is eliminated.

      Answer: D

      Explanation: * (Not A, B, C): interval (here 10 seconds): Specifies the length in seconds to pause between each interval report.

      • duration (here 24 h)

      • -R report[,report] (here high) Print a summary report.

      high Print a summary report detailing the highest usage of each resource and zone during any interval of the zonestat utility invocation.

      Note: The zonestat utility reports on the cpu, memory, and resource control utilization of the currently running zones. Each zone#39;s utilization is reported both as a percentage of system resources and the zone#39;s configured limits.

      The zonestat utility prints a series of interval reports at the specified interval. It optionally also prints one or more summary reports at a specified interval.

      The default output is a summary of cpu, physical, and virtual memory utilization. The -r option can be used to choose detailed output for specific resources.

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