You cannot use IN operator in a condition that involves an outerjoin.
You use (+) on both sides of the WHERE condition to perform an outerjoin.
You use (*) on both sides of the WHERE condition to perform an outerjoin.
You use an outerjoin to see only the rows that do not meet the join condition.
In the WHERE condition, you use (+) following the name of the column in the table without matching rows, to perform an outerjoin.
You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.
第1题：
Which of the following a true statements regarding the use of VLANs to segment a network? (Select three)
A. They increase the size of collision domains
B. They allow logical grouping of users by function.
C. They can enhance network security.
D. They increase the size of the broadcast domain while decreasing the number of collision domains.
E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.
F. They simplify switch administration.
第2题：
A. The use of discontiguous subnets is not allowed
B. The use of variable length subnet masks is permitted
C. RIP v1 is a classless routing protocol
D. IGRP supports classless routing within the same autonomous system
E. RIP v2 supports classless routing
第3题：
A. A DBA can check specific tables with the DMU
B. The database to be migrated must be opened read-only.
C. The release of the database to be converted can be any release since 9.2.0.8.
D. The DMU can report columns that are too long in the converted characterset.
E. The DMU can report columns that are not represented in the converted characterset.
第4题：
Which statement is true regarding the Junos OS?（）
第5题：
Which two statements are true regarding the USING clause in table joins?（）
第6题：
A. data integrity
B. data confidentiality
C. data authentication
D. outer IP header confidentiality
E. outer IP header authentication
第7题：
A.There are at least two routers participating in the RIP process.
B.A ping to 192.168.168.2 will be successful.
C.A ping to 10.0.15.2 will be successful.
D.RtrA has three interfaces participating in the RIP process.
第8题：
A. Allocates memory for RMAN backup and restore operations
B. Allocates memory for shared and private SQL areas
C. Contains a cursor area for storing runtime information about cursors
D. Contains stack space
E. Contains a hash area performing hash joins of tables
第9题：
What is true regarding subqueries?（）
第10题：
Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP?（） (Choose three.)