Online 1Z0-902 Practice Test

Question 1

Which three statements are true about the CELLCLI command?

Options :

A : It can execute commands on multiple storage servers in parallel.

B : It has command-line history.

C : It requires root privileges to create CELLDISKS and GRIDDISKS.

D : It can be executed on storage servers.

E : It can be executed using the DCLI utility.

Answer: B,D,E

Question 2

Which statement is FALSE about the OEDA command line interface (OEDACU)?

Options :

A : Add nodes to and remove nodes from a VM cluster.

B : Add or remove additional databases.

C : Resize Oracle ASM disk groups.

D : Support ZDLRA life cycle management operation.

E : Add or remove Oracle Database home directories.

F : OEDACU has Edit mode and Deploy mode.

Answer: D

Question 3

How is Exadata Secure RDMA Fabric isolation used in X9M-2 with virtualization enabled?

Options :

A :

With Secure Fabric isolation, each Storage Server runs multiple KVM guests each dedicated to a Database VM cluster using a dedicated network partition and VLAN ID. This provides security and isolation between multiple tenants or VM clusters.

B :

With Secure Fabric isolation, each Database VM Guest uses a dedicated network partition and VLAN ID for client networking between application servers. This improves security by preventing man in the middle attacks.

C :

With Secure Fabric isolation, each Database VM Cluster uses a dedicated network partition and VLAN ID for Data Guard networking between the primary and disaster recovery Exadata racks. This improves security by isolating data guard traffic onto an encrypted network between data centers.

D :

With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.

Answer: D

Question 4

You are monitoring PMEM cache to see if it is being used effectively with RDMA. Which two of these sources contain information about the RDMA I/O statistics?

Options :

A : PMEM Cache Space Usage section in AWR Report

B : PMEM Cache User Reads section in AWR Report

C : Database lOs section in AWR Report

D : Database Statistics (v$ View)

E : Exadata Metrics (LIST METRICCURRENT)

Answer: B,E

Question 5

You have been tasked with replacing a memory module of an Exadata Storage Server and need to power off the affected storage server. Which two commands must you execute to safely power off the storage server in an Exadata X9M Database Machine?

Options :

A : CeLLCLI> alter cell shutdown SERVICES all on the affected storage server

B : CeLLCLI> list GRIDDISK where status != 'inactive' on the affected storage server

C : 'crsct1 stop cluster -all' on one of the database servers

D :

CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server

E : CellCLI alter GRIDDISK all inactive on the affected storage server

F : shutdown -h now' on the affected storage server

Answer: E,F

EXPERTY DESIGNED 1Z0-902 PRACTICE TEST