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Exalogic Elastic Cloud X2-2 Essentials

Question No: 31

Select the location where server transaction logs should be stored in an Exalogic machine.

  1. local storage on one of the compute nodes hosting managed server in the Weblogic cluster

  2. local storage on all of the compute nodes hosting managed servers In the WebLogic cluster

  3. a location on the shared storage appliance that is accessible to compute nodes hosting all managed servers in the WebLogic cluster

  4. a location on the shared storage appliance that is accessible to at least one of the compute nodes hosting managed servers in the WebLogic cluster

Answer: D

Question No: 32

By default, which cluster configuration type is supported by Exalogic#39;s storage appliance?

  1. active-active

  2. passive-passive

  3. active-passive

  4. Storage heads are not clustered.

Answer: C

Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18478/storage.htm#BABDBJHC (Cluster Network configuration)

Question No: 33

Which best summarizes the factory storage configuration for FXBIOQIC?

  1. One common project only

  2. Node-specific projects and shares only

  3. One common project and some node-specific Projects and shares depending on the rack

  4. One common project and one node-specific project

Answer: C

Question No: 34

Select three prerequisites for configuring server migration.

  1. creating a GridLink or multi-datasource

  2. enabling Exalogic-specific software optimizations

  3. creating a server migration leasing table

  4. configuring server migration targets

  5. connecting Exalogic to Exadata

Answer: A,C,D

Question No: 35

Which two software components are central to providing the performance benefits delivered by an Exalogic machine?

  1. WebLogic Server

  2. Coherence

  3. SOA Suite

  4. Oracle Database

  5. Oracle VM

Answer: A,B

Explanation: Coherence provides replicated and distributed (partitioned) data management and caching services on top of a reliable, highly scalable peer-to-peer clustering protocol. Coherence has no single points of failure; it automatically and transparently fails over and redistributes its clustered data management services when a server becomes inoperative or is disconnected from the network. When a new server is added, or when a failed server is restarted, it automatically joins the cluster and Coherence fails back services to it, transparently redistributing the cluster load. Coherence includes

network-level fault tolerance features and transparent soft re-start capability to enable servers to self-heal.

Question No: 36

Which network channel is required for WebLogic#39;s network traffic in an Exalogic machine?

  1. T3 client channel

  2. HTTP client channel

  3. replication channel

  4. default channel

Answer: B

Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18479/net.htm (IP Address and Network Channel Requirements, Second bulleted point)

Question No: 37

Which command can be used to display the overall status of an InfiniBand switch in an Exalogic machine?

  1. showunhealthy

  2. listlinkup

  3. ibcheckerrors

  4. env_test

Answer: D

Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18478/leafswitch.htm (1.2.1.3 Verifying the status of a gateway switch)

Question No: 38

An Exalogic X2-2 rack contains 42 slots. What would you find at rack slots numbered 17-22 in a quarter, half-rack, or full-rack configuration?

  1. X4170 M2 compute nodes

  2. ZFS 7320 storage appliance components

  3. Cisco 4948 switches

  4. InfiniBand spine switches

Answer: B

Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18478/intro.htm#CEGCJJJD (Figure 1-1, 1-2, 1-3)

Question No: 39

Where do you specify a listen address for Node Manager running on Exalogic compute nodes?

  1. In the nodemanager.domains file

  2. In the etc/hosts file on the compute nodes

  3. On the shared storage appliance

  4. In the nodemanager.properties file

Answer: D

Question No: 40

Which default profile configuration is supported by Exalogic?

  1. triple mirrored

  2. mirrored

  3. single parity RAID, narrow stripes

  4. triple parity RAID, wide stripes

Answer: B

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