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NEW QUESTION: 1
You issued the following RMAN command to back up the database:
RMAN> RUN{
ALLOCATE CHANNEL c1 DEVICE TYPE sbt
BACKUP DATABASE
TAG quarterly
KEEP FOREVER
RESTORE POINT FY06Q4;
}
Which two statements are true regarding the backup performed? (Choose two.)
A. Archived redo log files are backed up along with data files.
B. The command creates a restore point named FY06Q4 to match the SCN at which this backup is consistent.
C. Archived log files are backed up along with data files, and the archived log files are deleted.
D. Only data files are backed up and a restore point named FY06Q4 is created.
Answer: A,B
Explanation:
Section: Monitoring and Tuning RMAN Explanation
Refer to here. keepOption Overrides any configured retention policy for this backup so that the backup is not considered obsolete, as shown in Example 2-26. You can use the KEEP syntax to generate archival database backups that satisfy business or legal requirements. The KEEP setting is an attribute of the backup set (not individual backup piece) or image copy. Note: You cannot use KEEP with BACKUP BACKUPSET. With the KEEP syntax, you can keep the backups so that they are considered obsolete after a specified time (KEEP UNTIL), or make them never obsolete (KEEP FOREVER). As shown in Example 2-27, you must be connected to a recovery catalog when you specify KEEP FOREVER.
Note: You can use CHANGE to alter the status of a backup generated with KEEP.
See Also: keepOption for more information about backups made with the KEEP option
Creating a Consistent Database Backup for Archival Purposes
This example uses a keepOption to create an archival backup set that cannot be considered
obsolete for one year. The example backs up the database, archives the redo in the current online
logs to ensure that this new backup is consistent, and backs up only those archived redo log files
needed to restore the data file backup to a consistent state.
The BACKUP command also creates a restore point to match the SCN at which this backup is
consistent. The FORMAT parameter must be capable of creating multiple backup pieces in
multiple backup sets.
BACKUP DATABASE
FORMAT '/disk1/archival_backups/db_%U.bck'
TAG quarterly
KEEP UNTIL TIME 'SYSDATE + 365'
RESTORE POINT Q1FY06;

NEW QUESTION: 2
An administrator has configured the following CLI script on FortiManager, which failed to apply any changes to the managed device after being executed.

Why didn't the script make any changes to the managed device?
A. CLI scripts will add objects only if they are referenced by policies.
B. Static routes can only be added using TCL scripts.
C. Commands that start with the # sign are not executed.
D. Incomplete commands are ignored in CLI scripts.
Answer: C
Explanation:
https://help.fortinet.com/fmgr/50hlp/56/5-6-2/FortiManager_Admin_Guide/1000_Device%20Manager/2400_Scripts/1000_Script%20samples/0200_CLI%20scripts+.htm#Error_Messages
A sequence of FortiGate CLI commands, as you would type them at the command line. A comment line starts with the number sign (#). A comment line will not be executed.

NEW QUESTION: 3
The ANSI X9.52 standard defines a variant of DES encryption with keys
k1, k2, and k3 as:
C = Ek3 [Dk2 [Ek1 [M]]]
What is this DES variant?
A. Double DES with an encryption and decryption with different keys
B. Triple DES in theEDE mode
C. DESX
D. Triple DES in the EEE mode
Answer: B
Explanation:
This version of triple DES performs an encryption (E) of plaintext
message M with key k1, a decryption (D) with key k2 (essentially,
another encryption), and a third encryption with key k3. Another
implementation of DES EDE is accomplished with keys k1 and k2
being independent, but with keys k1 and k3 being identical. This
implementation of triple DES is written as:
C = Ek1 [Dk2 [Ek1 [M]]]
Answer a is incorrect since, in DESX, input plaintext is bitwise
XORed with 64 bits of additional key material before encryption
with DES, and the output of DES is also bitwise XORed with
another 64 bits of key material. Answer b, DES in the EEE, mode is
written as:
C = Ek3 [Ek2 [Ek1 [M]]]
where three consecutive encryptions are performed on plaintext
message, M, with three independent keys, k1, k2, k3.
Answer c is incorrect since the question contains three encryptions.
Implementing two DES encryptions does not provide the
additional security anticipated over a single DES encryption because
of the meet-in-the-middle attack. Consider a DES cipher with a key
size of p. A double encryption will result in an effective key size of
2p and yield the final result R. Thus, one would anticipate that one
would have to search a key space of 22p in an exhaustive search of
the keys. However, it can be shown that a search of the key space on
the order of 2p is all that is necessary. This search is the same size as required for a single DES encryption. This situation is illustrated as follows:
The sequences shown illustrate the first DES encryption of a
plaintext message M with all keys k1 through k2p yielding the
intermediate encrypted results C1 through C2p.
Ek1 [M] C1
Ek2 [M] C2
Ek2p [M] C2p
If we have available ciphertext R where R = Ek2 [Ek1 [M]] for a pair of secret keys k1 and k2, for each key m there is only one key k such that
Dm[R] = Ek[M] where D is the decipherment of R back from the second
DES encipherment. In other words, there are 2p possible keys that will
result in the pair [M,R] and, thus, can be found in a search of order 2p.