You executed the following command to perform a backup of the USERS tablespace:SQL> ALTER TABLESPACE users BEGIN BACKUP;ALTER TABLESPACE users BEGIN BACKUP* ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()
Regarding fast path processing, when does the system perform the policy check?()
Which two tasks can you perform using only the TO_CHAR function? ()
You plan to execute the following command to perform a Flashback Database operation in your database: SQL> FLASHBACK DATABASE TO TIMESTAMP (SYSDATE -5/24); Which two statements are true about this?()
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What functions do routers perform in a network?()
You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have assigned that interface to VLAN 20. To check the status of the SVI, you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state. What must be true in an SVI configuration to bring the VLAN and line protocol up?()
You are designing a strategy to perform inplace upgrade of domain controller in Boston and San Diego. Which method should you use?()
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()
One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?()