Oracle 1Z0-821 Online Practice Questions and Exam Preparation

Oracle 1Z0-821 Online Questions & Answers

• Question 181:

  User jack logs in to host Solaris and executes the following command sequence:

  

  Which three statements are correct?

  A. User jack can edit testfile because he has read and write permissions at the group level.
  B. User jack can use cat to output the contents of testfile because he has read permission as the file owner.
  C. User jill can change the permissions of testfile because she has write permission for the file at the group level.
  D. User jill can edit testfile because she has read and write permission at the group level.
  E. User jack can change permissions for testfile because he is the owner of the file.
  F. User jack can change permissions for testfile because he has execute permission for the file.
  D. User jill can edit testfile because she has read and write permission at the group level.
  E. User jack can change permissions for testfile because he is the owner of the file.
  F. User jack can change permissions for testfile because he has execute permission for the file.

• Question 182:

  Which two statements describe the COMSTAR framework available in Oracle Solaris 11?

  A. It converts an Oracle Solaris 11 host into a SCSI target device that can be accessed over a storage network by Linux, Mac OS, or Windows client systems.
  B. iSCSI targets cannot be configured as dump devices.
  C. It provides support for iSCSI devices that use SLP.
  D. It is used to connect to Fibre Channel or iSCSI Storage Area Network (SAN) environments.
  E. It provides an upgrade and update path to convert your iSCSI LUNs from Solaris 10 systems.
  A. It converts an Oracle Solaris 11 host into a SCSI target device that can be accessed over a storage network by Linux, Mac OS, or Windows client systems.
  B. iSCSI targets cannot be configured as dump devices.

  ---

  A: You can configure Common Multiprotocol SCSI TARget, or COMSTAR, a software framework that enables you to convert any Oracle Solaris 11 host into a SCSI target device that can be accessed over a storage network by initiator hosts. This means you can make storage devices on a system available to Linux, Mac OS, or Windows client systems as if they were local storage devices. Supported storage protocols are iSCSI, FC, iSER, and SRP.

  B: iSCSI targets cannot be configured as dump devices.

• Question 183:

  You log in to the system as user1, then switch user to root by using the su - command. After entering the correct password, yon enter the following commands:

  whoami;who am i;id

  Which option correctly represents the output?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  B. Option B

  ---

  *

  The whoami utility displays your effective user ID as a name.

  Here this would be root.

  *

  who am i

  The command who shows who is logged on.

  Here this would be:

  user1 console Dec 30 20:20

  *

  The id utility displays the user and group names and numeric IDs, of the calling process, to the standard output. If the real and effective IDs are different, both are displayed, otherwise only the real ID is displayed.

  Here this would be:

  uid=0(root) gid=0(root)

  Note:

  Each UNIX proces has 3 UIDs associated to it. Superuser privilege is UID=0.

  Real UID

  This is the UID of the user/process that created THIS process. It can be changed only if the running process has EUID=0.

  Effective UID

  This UID is used to evaluate privileges of the process to perform a particular action. EUID can be change either to RUID, or SUID if EUID!=0. If EUID=0, it can be changed to anything.

  Saved UID

  If the binary image file, that was launched has a Set-UID bit on, SUID will be the UID of the owner of the file. Otherwise, SUID will be the RUID.

• Question 184:

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

  A. You should set up DHCP. The DHCP server and AI install server can be the same machine or two different machines.
  B. You can create only one manifest per install service. If you need more than one manifest, you should create multiple install services.
  C. The minimum requirement to operate as an AI install server is 1 GB of memory.
  D. If two client machines have different architectures and need to be installed with the same version of the Oracle Solaris 11 OS, then you should create two AI manifests and a single install service.
  A. You should set up DHCP. The DHCP server and AI install server can be the same machine or two different machines.
  D. If two client machines have different architectures and need to be installed with the same version of the Oracle Solaris 11 OS, then you should create two AI manifests and a single install service.

  ---

  A: An automated installation of a client over the network consists of the following high-level steps:

  Step 1. The client system boots over the network and gets its network configuration and the location of the install server from the DHCP server. Step 2: The install server provides a boot image to the client.

  Etc.

  D: If two client machines need to be installed with the same version of the Oracle Solaris 11 OS but need to be installed differently in other ways, then create two AI manifests for the AI install service. The different AI manifests can specify

  different packages to install or a different slice as the install target, for example.

• Question 185:

  ServerA contains two ISO images of a package repository named so1.repo.iso-a and so1.repo.iso-b respectively. You need to create a single local package repository on server that clients can connect to. The package repository will be stored on the /export/IPS file system and named repo. The preferred publisher will be named solaris and the publisher URL will be http://serverA.example.com.

  Which is the correct procedure to perform on ServerA to create the local Package repository?

  A. cat so1.repo.iso-a sol.repo.iso-b > so1.full.isoMount the ISO image and use the rsync command to extract the contents of the ISO file to the /export/IPS file system.Set the pkg/inst_root property to /export/IPS/repo and the pkg/readonly property to true.Set the preferred publisher by using pkg set-publisher -Ghttp://pkg.oracle.com/solaris/release/ \-g http"//serverA.example.com/ solaris
  B. cat so1.repo.iso-a so1.repo.iso-b > /export/IPS/repoSet the pkg/inst_root property to true and the pkg/readonly property to /export/IPSSet the preferred publisher by using pkg set-publisher -G http://serverA.example.com/ \-g http://pkg/oracle.com/solaris/rekease/solaris
  C. cat so1.repo.iso-a so1.repo.iso-b > so1.full.isoMount the ISO image and use the rsync command to extract the contents of the ISO file to /export/IPS/repoSet the pkg/inst_root property to /export/IPS/repo and the pkg/readonly property to trueSet the preferred publisher by using pkg set-publisher solaris \-g http://pkg.oracle.com/
  D. cat so1.repo, iso-a so1.repo.iso-b > /export/IPS/repo.isoMount the ISO image and copy the repo directory from the ISO image to /export/IPS/reposet the pkg/inst_root property and the pkg/readonly property to /export/IPS/reposet the preferred pkg/inst_root property by using pkg set-publisher - G http://serverA.example.com/ \- g http://pkg.oracle.com/solaris.com/release/- p solaris
  A. cat so1.repo.iso-a sol.repo.iso-b > so1.full.isoMount the ISO image and use the rsync command to extract the contents of the ISO file to the /export/IPS file system.Set the pkg/inst_root property to /export/IPS/repo and the pkg/readonly property to true.Set the preferred publisher by using pkg set-publisher -Ghttp://pkg.oracle.com/solaris/release/ \-g http"//serverA.example.com/ solaris

• Question 186:

  On server A, you enter the following command to add a static route to serverA route -p add -host 192.168.1.101 192.168.1.101 -static What is the purpose of this command?

  A. to temporarily bypass IP Filter rules
  B. to specify an IPMP target IP address to in.mpathd
  C. to specify routing to an adjacent network when in.rdisc is not used
  D. to specify routing to an adjacent network when in.routed is not used
  E. to ensure the IP address for serverB is not flushed from the ARP cache
  F. to optimize link aggregation using a direct connection between two systems
  B. to specify an IPMP target IP address to in.mpathd

  ---

  Note: # route -p add -host destination-IP gateway-IP -static where destination-IP and gateway-IP are IPv4 addresses of the host to be used as a target.

  For example, you would type the following to specify the target system 192.168.10.137, which is on the same subnet as the interfaces in IPMP group itops0:

  $ route -p add -host 192.168.10.137 192.168.10.137 -static This new route will be automatically configured every time the system is restarted. If you want to define only a temporary route to a target system for probe-based failure detection,

  then do not use the -p option.

• Question 187:

  You have set up the task.max-lwps resource control on your Solaris 11 system.

  Which option describes how to configure the system so that syslogd notifies you when the resources control threshold value for the task.max-lwps resource has been exceeded?

  A. Use the rctladm command to enable the global action on the task.max-lwpa resource control.
  B. Modify the /etc/syslog.conf file to activate system logging of all violations of task.max- lwps and then refresh then svc: /system/system-log:default service.
  C. Activate system logging of all violations of task.max-lwpp in the /etc/rctldm.conf file and then execute the rctladm-u command.
  D. Use the prct1 command to set the logging of all resource control violations at the time the task.max-lwps resource control is being setup.
  E. Use the setrct1 command to set the logging of all resource control violations for the task.max-lwps resource control.
  A. Use the rctladm command to enable the global action on the task.max-lwpa resource control.

  ---

  rctladm - display and/or modify global state of system resource controls The following command activates system logging of all violations of task.max-lwps. # rctladm -e syslog task.max-lwps

  #

• Question 188:

  Review the storage pool information:

  

  Which statement describes the status of this storage pool?

  A. It is a RAIDZ storage pool and can withstand a single disk failure; data will be striped at: disk components.
  B. It is a double-parity RAIDZ storage pool and can withstand two disk failures; data will be striped across four disk components.
  C. It is an improperly configured RAIDZ storage pool; data will be striped across four disk components, but only three drives are protected with redundancy.
  D. It is an improperly configured RAIDZ storage pool; data will be striped across three disk components, but only three drives are protected with redundancy.
  D. It is an improperly configured RAIDZ storage pool; data will be striped across three disk components, but only three drives are protected with redundancy.

  ---

  Device c3t6d0 is not included in the RAIDZ storage pool. The other three devices are included in the raidz pool. The data on these devices are protected.

  Note: In addition to a mirrored storage pool configuration, ZFS provides a RAID-Z configuration with either single, double, or triple parity fault tolerance. Single-parity RAID-Z (raidz or raidz1) is similar to RAID-5. Double-parity RAID-Z (raidz2) is similar to RAID-6.

• Question 189:

  Your server has a ZFS storage pool that is configured as follows:

  

  The server has two spate 140-GB disk drives: c3t5d0 c3t6d0 Which command would add redundancy to the pool1 storage pool?

  A. zpool attach pool1 c3t5d0 c3t6d0
  B. zpool attach pool1 c3t3d0 c3c5d0; zpoo1 attach pool1 c3t4d0 c3t6d0
  C. zpool mirror pool1 c3t5d0 c3t6d0
  D. zpool add pool1 mirror c3t5d0 c3t6d0
  E. zpool add raidz pool1 c3t5d0 c3t6d0
  A. zpool attach pool1 c3t5d0 c3t6d0

  ---

  You can convert a non-redundant storage pool into a redundant storage pool by using the zpool attach command. Note: zpool attach [-f] pool device new_device

  Attaches new_device to an existing zpool device. The existing device cannot be part of a raidz configuration. If device is not currently part of a mirrored configuration, device automatically transforms into a two-way mirror of device and new_device. If device is part of a two-way mirror, attaching new_device creates a three-way mirror, and so on. In either case, new_device begins to resilver immediately.

• Question 190:

  You are installing the Oracle Solaris 11 Operating System by using the Text Installer. Which two options describe the features associated with the Text Installer?

  A. It can be used to install only SPARC systems.
  B. It installs gnome as the default user environment on a system capable of displaying a graphical environment.
  C. You can choose whether root is a role or user account.
  D. You can do both automatic and manual configuration of the network.
  E. You can select how to configure the remaining network interfaces.
  C. You can choose whether root is a role or user account.
  D. You can do both automatic and manual configuration of the network.