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NEW QUESTION: 1
An administrator is investigating the reason for a powered on virtual machine failing to migrate with the following error log message:

Which step should the administrator complete to resolve this error? (Choose the best answer.)
A. Configure Enhanced vMotion Compatibility on the cluster.
B. Configure Distributed Resource Scheduler (DRS) on the cluster.
C. Configure vSAN on the cluster.
D. Configure High Availability on the cluster.
Answer: A

NEW QUESTION: 2
Which is a benefit of using VLANs and IP subnets?
A. An encrypted communication link is established over the internet, allowing surveillance video to be securely viewed off-site
B. The network will only allow access from authorized devices, eliminating the risk that malicious users disconnect cameras to intercept network traffic
C. Network surveillance video can be kept separate from other network traffic, reducing the risk that malicious users will intercept it
D. The network provides end-to-end encryption to prevent malicious users from intercepting network traffic
Answer: C

NEW QUESTION: 3
Which two statements are true regarding the count function?
A. Count (distinct inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column.
B. The count function can be used only for CHAR, VARCHAR2, and NUMBER data types.
C. Count (*) returns the number of rows including duplicate rows and rows containing null value in any of the columns.
D. A select statement using the COUNT function with a DISTINCT keyword cannot have a where clause.
E. Count (cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column.
Answer: A,C
Explanation:
Using the COUNT Function
The COUNT function has three formats:
COUNT(*)
COUNT(expr)
COUNT(DISTINCT expr)
COUNT(*) returns the number of rows in a table that satisfy the criteria of the SELECT statement, including duplicate rows and rows containing null values in any of the columns.
If a WHERE clause is included in the SELECT statement, COUNT(*) returns the number of rows that satisfy the condition in the WHERE clause.
In contrast,
COUNT(expr) returns the number of non-null values that are in the column identified by expr.
COUNT(DISTINCT expr) returns the number of unique, non-null values that are in the column identified by expr.

NEW QUESTION: 4
Which four actions are possible during an Online Data file Move operation? (Choose four.)
A. Performing file shrink of the data file being moved
B. Performing Block Media Recovery for a data block in the data file being moved
C. Querying tables in the data file being moved
D. Creating and dropping tables in the data file being moved
E. Flashing back the database
F. Executing DML statements on objects stored in the data file being moved
Answer: C,D,E,F
Explanation:
Explanation/Reference:
Explanation:
- You can now move On line Datafile without hove to stop Monoged Recovery and manually copy and rename Files. This can even be used to move Datafiles from or to ASM.
- New in Oracle Database 12c: FROM METAUNK. Physical Standby Database is in Active Data Guard Mode (opened READ ONLY and Managed Recovery is running):
It is now possible to online move a Datafile while Managed Recovery is running, ie. the Physical Standby Database is in Active Data Guard Mode. You can use this Command to move the Datafile
- A flashback operation does not relocate a moved data file to its previous location. If you move a data file online from one location to another and later flash back the database to a point in time before the move, then the Data file remains in the new location, but the contents of the Data file ore changed to the contents at the time specified in the flashback. Oracle0 Database Administrator's Guide 12c Release 1 (12.1)