1Z0-027 Exam Questions
97 real 1Z0-027 exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1Manipulating Data (DML)
Which two statements are true about the use of direct path loads when selecting from external tables in a database on a Database Machine?
external tablesdirect path loadparallel executionINSERT SELECT - Question #2Creating and Managing Schema Objects
Your customer wants you to partition the database and storage grids in his X3-2 full rack, creating database clusters and two storage grids. One cluster will be used for production...
Exadata partitioningstorage gridCELLIP.ORAdatabase cluster - Question #3Creating and Managing Schema Objects
Which three statements are true about the initial storage configuration after the standard deployment of a new database Machine?
ASM diskgroupsExadata storagedeployment configurationflash storage - Question #4
You are in the planning stage of the network configuration for your Database Machine. The requirements are: 1. A fault-tolerant network, providing higher availability for connectio...
- Question #5Creating and Managing Schema Objects
Identify two permitted uses of external InfiniBand connections to a Database Machine.
InfiniBandexternal connectionsDatabase Machinenetwork configuration - Question #6
You are evaluating the performance of a SQL statement that accesses a very large table, and have run the following query producing the output shown: For which two reasons would the...
- Question #7Creating and Managing Schema Objects
You must apply patches and patch bundles in a rolling fashion, if possible, on the components of your Database Machine. You use RAC for your database and also use Data Guard, havin...
oplan utilitypatch bundlesRAC patchingOracle Home - Question #8Creating and Managing Schema Objects
Consider the following list of software components: 1. DCLI 2. Management Server (MS) 3. ASM Instance 4. RDBMS instance 5. Restart Server (RS) 6. Cellcli 7. Cell Server (CELLSRV) 8...
Database Machine componentsstorage server softwaredatabase server softwareCell Server - Question #9Creating and Managing Schema Objects
You plan to monitor storage servers after configuring an I/O resource manager plan with directives for inter-database plans and intra-database plans. Which two types if metrics wou...
I/O resource managerstorage metricsintra-database plansconsumer group I/O - Question #10Creating and Managing Schema Objects
You configuring has two half racks, one with high capacity disks and other with high performance disks and high capacity expansion half rack. There are two RAC clusters, one on eac...
Enterprise Managerhigh availability monitoringagent deploymentmulti-rack - Question #11
You are about to run the oplan utility to patch the servers on your test Database Machine before patching the production environment. The following task might be performed:
- Question #12Creating and Managing Schema Objects
Which two may act as building blocks for the creation of two or more griddisks residing on the same physical device and which have more balanced performance characteristics?
griddiskcelldiskinterleaved celldisksflash celldisks - Question #13
Which type of network traffic is transported over the internal InfiniBand network in a Database Machine?
- Question #14
In which two locations should files be staged, to be loaded using external tables into a database on a Database Machine?
- Question #16Creating and Managing Schema Objects
Which three are true about Smart Flash log?
Smart Flash LogLGWRflash storageI/O management - Question #17Creating and Managing Schema Objects
You have a partitioned database grid on an X3-2 full rack with two four-node RAC clusters called CLUSA and CLUSB. The storage grid, however, has not been partitioned. Which files o...
storage expansionCELLIP.ORAInfiniBandstorage grid - Question #18Creating and Managing Schema Objects
Which three factors should you consider when choosing a method for migrating a database to the Database Machine?
database migrationendian formatASM configurationworkload type - Question #19Key Capabilities and Features
Which three are among the software components that constitute the QoS Management framework?
QoS ManagementGrid InfrastructureCluster Health MonitorOC4J - Question #20Monitoring Exadata Database Machine
Which two communication methods are used by which components in the Enterprise manager Architecture for the Database Machine?
SNMP trapsEnterprise Manager architectureILOMManagement Server - Question #21Exadata Database Machine Configuration
Which three statements are true regarding the configuration of Auto Service Request (ASR) on your Database Machine?
Auto Service RequestASR ManagerHTTPS connectivityOS requirements - Question #22Key Capabilities and Features
Which two are true about Smart Scan?
Smart Scancolumn projectionpredicate offloadjoin offload - Question #23
A read-only application is in development and is using a test database on a Database Machine. You are examining SQL statements from this application in an attempt to determine whic...
- Question #24Monitoring Exadata Database Machine
You have used setupem.sh to deploy a plug in for Grid Control. In which two ways do all the targets supported by the plug-in get configured?
Enterprise Manager plug-inGrid Controlsetupem.shtarget configuration - Question #25Exadata Database Machine Configuration
Identify three valid configuration options that can be implemented during the initial configuration process of a new Database Machine by using the Exadata Deployment Assistant
Exadata Deployment AssistantASM diskgroup sizingOS authenticationinitial configuration - Question #26Managing Exadata Database Machine
Which two are true about the use of the Integrated Lights Out Manager (ILOM) on the Database Machine?
ILOMremote consolepower managementstorage server - Question #27
You are checking the status of the ports on the one of the InfiniBand switches in your Database Machine. You have run the getportstatus as shown: You have 36 ports to check. Which...
- Question #28Key Capabilities and Features
A table in one of your database schemas contains only varchar, number, and date data types for the columns. Which three operations can be offloaded to the Exadata storage servers w...
Smart Scan offloadcolumn filteringpredicate filteringhash join offload - Question #29Key Capabilities and Features
Which three must he true for Smart Scans to be done?
Smart Scan prerequisitesdirect path readscell_smart_scan_capableserial direct read - Question #30
Identify the correct sequence of commands to completely power off a Database Machine in an Orderly fashion: 1. Execute "crsctl stop cluster -all" as the grid user from one database...
- Question #31Managing Exadata Database Machine
You plan to migrate an existing production database supporting online transaction processing (OLTP) workloads to the Exadata Database Machine. The database currently supports an ap...
Smart Scan vs index accessOLTP migrationindex range scanperformance analysis - Question #32Key Capabilities and Features
Your Database Machine has a large database with some very large tables supporting OLTP workloads. High volume Insert applications and high volume update workloads access the same t...
Hybrid Columnar CompressionOLTP compressioncompression overheadstorage server compression - Question #33Exadata Database Machine Configuration
Which statement is true about operating systems on database Machine multi-rack configuration consisting of two full racks and one Exadata storage rack?
multi-rack configurationOS compatibilityOracle Linuxdatabase server OS - Question #34Key Capabilities and Features
Which three are true regarding the use of Storage Indexes?
Storage Indexstorage regionCELLSRVcolumn index limit - Question #35Key Capabilities and Features
Which four statements are true about Exadata Smart Flash Cache?
Smart Flash Cacheflash griddiskSmart Scan on flashSmart Flash Log - Question #36Managing Exadata Database Machine
You have altered an index supporting a constraint to be invisible on a large read only data warehouse table, to determine it Smart Scan operations will be fast enough to satisfy yo...
invisible indexconstraint enforcementDISABLE NOVALIDATE RELYindex drop - Question #37Managing Exadata Database Machine
Which two activities are supported on the storage servers in the Database Machine?
storage server managementSSH equivalencyroot passwordsupported operations - Question #38Monitoring Exadata Database Machine
You plan to monitor the status of the motherboard, memory, power, fans, and network cards on the database nodes in your Database machine using Enterprise Manager. Where must you se...
ILOM thresholdshardware monitoringEnterprise Managersensor alerts - Question #39Monitoring Exadata Database Machine
Which three are true abort Enterprise Manager plug- in configuration for the Database Machine?
Enterprise Manager plug-inGrid ControlCloud ControlSNMP trap forwarder - Question #40Monitoring Exadata Database Machine
Which is true regarding Enterprise Manager monitoring and configuration?
Enterprise Manager agentsPDU monitoringstorage server agentsmonitoring architecture - Question #41Key Capabilities and Features
Which two are true about the use of DBFS in a Database Machine environment?
DBFSPOSIX compliancebulk data loadingshared storage - Question #42Monitoring Exadata Database Machine
Which three are true about Exadata storage server alerts?
storage server alertsstateful vs stateless alertsSNMP notificationsSMTP notifications - Question #43Exadata Database Machine Maintenance
You are about to replace one memory DIMM in an Exadata storage server and need to power off the affected cell. Which four commands must you execute to safely power off the storage...
GRIDDISK deactivationCellCLIsafe cell power offstorage server maintenance - Question #44Key Capabilities and Features
Which two are true concerning the allocation of I/O resources by the IORM within the CELLSRV process?
IORMCELLSRVControl File I/O priorityLog Writer I/O - Question #45Exadata Database Machine Maintenance
Last weekend, an Exadata storage server flashdisk entered the predictive failure state. The flashdisk is used by the flashcache and has a griddisk which is a member of a normal red...
flashdisk replacementpredictive failureflashcachegriddisk - Question #46Key Capabilities and Features
Which two are true concerning the allocation of I/O resources by the IORM within the CELLSRV process?
IORM resource allocationconsumer groupsLog Writer I/OControl File I/O - Question #49Exadata Database Machine Troubleshooting
To troubleshoot a possible hardware problem, you consider moving all disk drives from one Exadata storage server to a replacement chassis. You must contain storage availability whi...
disk migrationexternal redundancy diskgroupASM compatibilitystorage server replacement - Question #50Key Capabilities and Features
Which two are regarding the case of storage indexes?
storage indexesbind variablescell optimizationdata loading - Question #51
Identity the resource bottleneck for which QoS Management can generate recommendation?
- Question #52Managing Exadata Database Machine
Which two are Oracle recommendations for media based backups performed for a database running on a Database Machine?
RMAN backupInfiniBand networkmedia serverbackup channels - Question #54Exadata Database Machine Configuration
To guarantee proper cooling, you plan to place perforated floor tiles near your Database Machine. Where, in relation to the cabinet, should they be placed?
coolingairflow directionperforated floor tilesphysical infrastructure