1Z1-920 무료 덤프문제 온라인 액세스

The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?
A)

B)

C)

D)

• A.Option A
• B.Option B
• C.Option D
• D.Option C

You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

• A.--uncompress
• B.--copy-back-and-apply-log
• C.--decompress
• D.--uncompress-and-apply-log
• E.--apply-log-and-copy-back

Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

• A.You can connect directly to an instance over the internet, without a public IP address.
• B.You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
• C.Your instance does not have a public IP address, so you cannot connect with a public subnet.
• D.You must have an IPSec VPN to connect to an Oracle Linux instance.
• E.You can connect directly to the VCN without a define subnet.

Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

• A.Networks must be in separate regions.
• B.The number of machines per group must be 3, 5, 7 or 9.
• C.Groups must be in even numbers; 2, 4, 6, 8.
• D.use SSD's for data and replication logs
• E.smaller VM's work best - with a maximum of eight vCPU's and 16GB of RAM
• F.isolated machine resources
• G.Use Network-attached storage (NAS) for the data files.

What SQL keyword must be specified when creating a foreign key constraint?

• A.a REFERENCES in the child table to the parent table
• B.the SET_FOREGIN variable in the my .cnf file
• C.a TRIGGER on the child table for cascading delete statements
• D.unique PRIMARY key values for both child and parent tables
• E.an index on the foreign key