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Free Oracle 1Z0-820 Exam Questions

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  • Oracle 1Z0-820 Exam Questions
  • Provided By: Oracle
  • Exam: Upgrade to Oracle Solaris 11 System Administrator
  • Certification: OPN Certified Specialist
  • Total Questions: 135
  • Updated On: Mar 27, 2025
  • Rated: 4.9 |
  • Online Users: 270
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  • Question 1
    • You have Solaris 11 system with a host name of sysA and it uses LDAP as a naming service.
      You have created a flash archive of sysA and you want to migrate this system to an Oracle Solaris11 server, Solaris10 branded zone.
      The zone Status on the Oracle Solaris 11 server is:
      - zone10 incomplete /zone/zone1 solaris10 exc1
      Select the option that will force the non-global zone to prompt you for a host name and name service the first time it is booted.

      Answer: C
  • Question 2
    • 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?

      Answer: A
  • Question 3
    • A process associated with a user application keeps crashing on the user, but a core dump is not being saved in the /var/core/pprocess directory. The core dump configuration is:
      global core file pattern: /var/core/core. %f.%p
      global core file content: default
      init core file pattern: core
      init core file content: default
      global core dumps: enabled
      per-process core dumps: enabled
      global setid core dumps disabled
      per-process setid core dumps: disabled
      global core dump logging: disabled
      Which option would change the core dump configuration so that a user's per-process core dumps get saved in the /var/core/pprocess directory?

      Answer: A
  • Question 4
    • You need to remove the gzip software package.
      Before you remove the package, you want to create a backup of the operating environment.
      Which IPS command should you use?

      Answer: B
  • Question 5
    • Consider the following rule file for use with the Basic Audit Reporting Tool (BART).
      CHECK all
      IGNORE dirmtime
      /etc/security
      /etc/notices
      IGNORE contents
      /export/home
      IGNORE mtime size contents
      /var
      CHECK
      You are using BART to detect inappropriate changes to the file system.
      Identify the two correct statements describing the attributes recorded.

      Answer: A,D
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