[Jan-2022] Free 1z0-998-21 Exam Questions 1z0-998-21 Actual Free Exam Questions
Verified 1z0-998-21 dumps and 76 unique questions
NEW QUESTION 43
Which are the three considerations for choosing a migration method?
- A. source database with TDE not enabled
- B. source database in mount state always
- C. database version
- D. network bandwidth
- E. acceptable time of system outage
Answer: C,D,E
Explanation:
https://docs.oracle.com/en/cloud/paas/exadata-cloud/csexa/considerations-migrating-premises-database-dbcs.html Some of the characteristics and factors to consider when choosing a migration method are:
Source and target database versions
Source platform and operating system
Source database character set
Quantity of data, including indexes
Methods available for data transportation
Database features and data types used
Storage for data staging
Acceptable length of system outage
Network bandwidth
NEW QUESTION 44
What is the default encryption for user-defined tablespaces in a database on OCI?
- A. encrypt_new_tablespaces = true
- B. encrypt_new_tablespaces = cloud only
- C. encrypt_new_tablespaces = DDL
- D. encrypt_new_tablespaces = NONE
Answer: B
Explanation:
Controlling Default Tablespace Encryption
The ENCRYPT_NEW_TABLESPACES initialization parameter controls default encryption of new tablespaces. In Database Classic Cloud Service databases, this parameter is set to CLOUD_ONLY by default. See Viewing and Modifying Initialization Parameters for additional information.
https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/use-tablespace-encryption-this-service.html#GUID-26B5DB17-E631-4C2D-A172-C02C0D8C1D14
NEW QUESTION 45
Which three statements are true about the OCI Object Storage Service?
- A. It allows to save the data in Object Storage bucket over the OCI backbone.
- B. It can store finite amount of unstructured data, analytical data, and rich content.
- C. It does not support the private access from OCI resources in a VCN through a service gateway.
- D. It allows to store or retrieve data directly from the internet or from within the cloud platform.
- E. It is tied to a specific compute instance.
- F. It is a high performance storage platform that offers reliable and cost-efficient data durability.
Answer: A,D,E
NEW QUESTION 46
You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
ORA-28374: typed master key not found in wallet.
What could be the possible reason?
- A. TDE wallet is corrupted or lost.
- B. Entry for the TDE wallet in the sqlnet.ora is missing.
- C. TDE wallet does not exist.
- D. Master key encryption is not activated for the new PDB.
Answer: D
NEW QUESTION 47
Which two statements are true about a Virtual Cloud Network (VCN)?
- A. A subnet for a VCN can be defined in different availability domains (AD).
- B. A VCN can reside only in a single region but can cross multiple ADs.
- C. A VCN can be used with only one DB system.
- D. A VCN cannot connect to another VCN,
Answer: A,B
NEW QUESTION 48
What are the three autonomous optimizations available in Autonomous transaction processing database?
- A. columnar data formats
- B. fast complex analytics
- C. creates missing indexes
- D. row data formats
- E. data caching to avoid IO
Answer: C,D,E
NEW QUESTION 49
You want to launch a DB system for real application testing in which you need to have multiple database homes with different database versions. Which DB system would meet these requirements?
- A. Bare metal DB system with any database edition
- B. VM DB system with any database edition
- C. VM DB system with any database edition except standard edition
- D. Bare metal DB system with any database edition except standard edition
Answer: D
NEW QUESTION 50
Which two statements are true about the network security?
- A. Tenancies cannot be completely network isolated.
- B. Permissions can be used to isolate networking between compartments and VCNs.
- C. Access between the tenancies can be restricted with the same availability domain.
- D. Access can be restricted between the tenancies and within the tenancy itself.
- E. Subnets can be created only within an availability domain.
Answer: B,D
NEW QUESTION 51
Which three are the features of the different DB systems in Oracle Cloud Infrastructure?
- A. CPUs can be scaled up for bare metal and Exadata DB systems.
- B. Storage can be scaled up for the VM DB systems only.
- C. All DB systems can have multiple database editions and versions.
- D. CPU can be scaled up for full rack only in Exadata DB systems.
- E. RAC is available in VM and Exadata DB systems.
Answer: A,B,E
NEW QUESTION 52
What is the use of port 6200 on a DB system?
- A. Oracle Notification Services (ONS)
- B. Oracle High Availability Services
- C. Oracle Enterprise Manager Database Console
- D. EM Express Console
Answer: A
Explanation:
https://docs.oracle.com/cd/E11882_01/install.112/e41962/ports.htm#RILIN1179
NEW QUESTION 53
Which two statements are true about scaling up the DB systems?
- A. Storage for the VM DB system can be scaled up.
- B. Storage for the bare metal DB system can be scaled up.
- C. CPU cores for the VM DB system can be scaled up.
- D. CPU cores for the bare metal DB system can be scaled up.
Answer: A,D
Explanation:
https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/managingDBsystem.htm
NEW QUESTION 54
You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
ORA-28374: typed master key not found in wallet.
Which three options would resolve this problem?
- A. Change the location of the auto-login wallet.
- B. Disable the auto-login wallet and convert the wallet to password wallet.
- C. Re-enable the auto-login wallet.
- D. Delete the encryption wallet entry from the sqlnet.orA.
- E. Activate the master encryption key for the newly created PDB.
Answer: A,B,E
NEW QUESTION 55
What might be the effect of modifying the firewall rules for 169.254.0.2:3260 and 169.254.0.3:80?
- A. It allows the non-root user to access the database.
- B. Users may not be able to connect to database service.
- C. TDE for the database might stop working.
- D. It allows the non-root users to modify the system's boot volume.
Answer: D
Explanation:
https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/updatingDB.htm
NEW QUESTION 56
Which three are PaaS services?
- A. Oracle Analytics Cloud
- B. Data Integration Platform Cloud
- C. Big Data Cloud
- D. Oracle Tax Reporting Cloud
- E. Oracle Enterprise Performance Management Cloud
Answer: A,B,C
Explanation:
http://www.oracle.com/us/corporate/contracts/paas-iaas-universal-credits-3940775.pdf Eligible Oracle PaaS Cloud Services The current eligible Oracle PaaS Cloud Services categories include:
* Analytics Cloud Services
* Application Development Cloud Services
* Big Data Cloud Services
* Content and Experience Cloud Services
* Data Integration Cloud Services
* Data Management Cloud Services
* Enterprise Integration Cloud Services
* Management Cloud Services
* Security and Identity Cloud Services
NEW QUESTION 57
Examine the exhibit:
How many CPU cores and memory would a DB system would get after successful creation?
- A. 2 CPU cores and 256 GB of memory
- B. 24 CPU cores and 320 GB of memory
- C. 32 CPU cores and 256 GB of memory
- D. 16 CPU cores and 320 GB of memory
Answer: B
NEW QUESTION 58
Which two are the minimum prerequisites to launch a DB system?
- A. Virtual Cloud Network with default service gateway
- B. Dynamic Routing Gateway
- C. Private key in OpenSSH format
- D. Public key in OpenSSH format
- E. Virtual Cloud Network with default security list
Answer: A,C
NEW QUESTION 59
Which three statements are true about using Oracle Cloud Infrastructure?
- A. provides high availability and scalability
- B. runs everything from small VMs to a large bare metal cluster
- C. supports bare metal DB systems only
- D. provides complete life cycle automation
- E. supports VM and bare metal DB systems only
Answer: A,B,D
NEW QUESTION 60
Which three are the prerequisites/conditions for the backing up to OCI Object Storage?
- A. OCI account username and password.
- B. VCN must be configured with an internet gateway.
- C. VCN must be configured with dynamic routing gateway.
- D. DB system must have access to the applicable Swift endpoint or Object Storage.
- E. Database must be in archivelog mode.
Answer: B,D,E
NEW QUESTION 61
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