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Oracle Real Application Clusters 12c Essentials

Question No: 21

The customeris stillnot convinced about the advantages ofusing node VIPs.Whichis the most importantpoint that willconvince him about why VIPs are usedinOracle RAC 12cR1environments?

  1. Itisvery convenient as whenever a node/interface/network related to the node VIPfails,the VIP can fail to another node and the failed over VIP can start accepting connections from the new node avoiding connection failures

  2. Thisis needed as whenever a node/interface/network related to the node VIP fails,clients

    that attempt to connect to the VIP address receive a rapid connection-refused errorinstead of waiting for TCP connecttimeout messages.This helps for a quicker failure detection and resolution

  3. Itis needed as whenever the node/interface/network related to the VIP fails, nothing happens and node VIP never fails to any other node and stays stable

  4. Configuring VIP is optional and not neededinan Oracle RAC 12cR1 configuration.

Answer: A

Question No: 22

Which three statements accurately describe the components of the Cluster Ready Services Technology Stack?

  1. Cluster Ready Services(CRS):Aspecialized oraagent process that helps CRSD manage resources owned by rootsuch as the network, and theGrid virtual IP address

  2. Cluster Synchronization Services (CSS):Manages the cluster configuration by controlling which nodes are members of the cluster and by notifying members when a node joins or leaves the cluster

  3. Cluster Time Synchronization Service (CTSS): A background process that publishes events that Oracle Clusterware creates.

  4. Event Management (EVM). Provides time managementinacluster for Orade Clusterware

  5. Grid Naming Service (GNS):Handles requests sent by external DNS servers, performing name resolution fornames defined by the cluster.

  6. Oracle Agent (oraagent): This process was known as RACG in Oracle Clusterware 11gR1 (11.1).

Answer: B,E,F

Question No: 23

What is the maximum number of ASM disk groups in one ASM installation?

  1. 10

  2. 63

  3. 64 D. 511 E. 512

F. Unlimited

Answer: D

Question No: 24

You are installing Oracle Grid Infrastructure with Oracle Universal Installer (OUI). Your goal is acluster that contains bothdatabase nodes and application nodes. The databases are intended to be under OracleQualiy of Services (QoS) management. Which threeOUIchoices are required to achieve the desired infrastructure?

  1. Choice quot;Configure a Standardcluster”in the Cluster Type selection step

  2. Choice #39;#39;Yesquot; in the Grid Infrastructure Management Repository Option step

  3. Choice quot;Configure e Flex clusterquot; in the Cluster Type selectionstep

  4. Choice quot;Use Standard ASM for storagequot; inthe Storage Option step

  5. Choice quot;Use Oracle Flex ASM for storagequot; inthe Storage Option step

  6. Choice quot;Configure GNSquot; in the Grid Plug and Play step

Answer: C,E,F

Question No: 25

In a clustered Oracle ASM environment, a diskgroup is mounted in restricted mode. Which statement is correct?

  1. You can mount the disk group on all the nodes.

  2. You can issue any command, as long as you are using the force option.

  3. You can open the database located on this disk group only in standalone mode.

  4. You can open the database on this disk group only in restricted mode.

  5. You know that nobody is using the disk group, so you can perform a fast rebalancing on the disk group.

Answer: E

Question No: 26

When creating a server poolusing the SRVCTL utility, which server pool attributes are available?







Answer: B

Question No: 27

Which statement about Oracle Flex ASM is incorrect?

  1. Oracle Flex ASM enables an Oracle ASM instance to run on a separate physical server from the databaseservers.

  2. With Flex ASM, a smaller pool of ASM instances can be used to serve a large pool of database servers.

  3. Flex ASM requires the configuration of Flex Clusters.

  4. Flex ASM can be configured on either a standard cluster or a Flex Cluster.

  5. Higher availability can be achieved with Flex ASM because if an ASM instance fails, its clients can reconnect to another ASM instance

Answer: C

Question No: 28

Inanadvanced GridInfrastructure lnstallation,you can optionally configureGridNaming Service (GNS).In which two cases must you configure the GNS?

  1. Youconfigured a dedicated network for Automatic Storage Management (ASM)

  2. You decided to configure a Flex Cluster

  3. You decided to configure a Standard Cluster

  4. You decided to use 1Pv6 addressesinclient connections

  5. You use Dynamic Host Configuration Protocol (DHCP) to assign IP addresses tocluster nodes

Answer: B,E

Question No: 29

To configure the networkinpreparation for installing the Oracle Grid Infrastructure for a cluster, a number of tasks have been listed.

  1. Assign a public andprivate IP.

  2. Define a SCAN that resolves to six IP addresses in your DNS. 3.Assign a virtual IP on a different subnet from the public

4.Identify the interface and IP addresses for only the first node in your RAC 5.Determine your cluster name

6.Assign a Virtual IP on the same subnet as your public IP. Identify the correct order of the tasks that apply to this effort.

A. 1, 2, 3, 4,5, 6

B. 1, 5,6

C. 2, 4, 6

D. 1, 4,5,6

Answer: B

Question No: 30

If you upgrade to ASM 12cR1 and implement Flex ASM, do you need to upgrade all the databases to 12cR1?

  1. Yes.Allthe databases need to be upgraded to 12cR1

  2. No.You can run in a mixed 11.2 database instance and a 12cR1 database instance.The

    11.2 instance will use the Flex ASM instance of the other server.

  3. No.You can run in a mixed 11.2 database instance and a 12cR1 database instance, but the 11.2 instance willfail if the local Flex ASM instanceis moved to another server

  4. No.You cannot upgrade your database instance to 12cR1

Answer: C

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