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Which statements are true regarding classless routing protocols?（）
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
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Which four statements about NetFlow are true？（）
A . NetFlow records bidirectional IP traffic flow.
B . NetFlow export can be implemented over IPv4.
C . NetFlow export can be implemented over IPv6.
D . NetFlow records multicast IP traffic flow.
E . NetFlow records ingress traffic.
F . NetFlow records egress traffic.
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Which statements are true regarding system-partitioned tables?（）
A . Only a single partitioning key column can be specified.
B . All DML statements must use partition-extended syntax.
C . The same physical attributes must be specified for each partition.
D . Unique local indexes cannot be created on a system-partitioned table.
E . Traditional partition pruning and partitionwise joins are not supported on these tables.
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Which two statements are true regarding partitioning in Mysql?（）
A . Tables with BLOB and TEXT columns cannot be partitioned
B . Partitioning allows easier management of smaller data sets for certain queries
C . Partitioning allows different columns to be stored in separate files
D . The partitioning expression is an integer or function that returns an integer value or NULL value
E . Partitioning is only available for those storage engines that implements it natively
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Which two statements are true regarding Oracle Data Pump（）
A . EXPDP and IMPDP are the client components of Oracle Data Pump.
B . DBMS_DATAPUMP PL/SQL packages can be used independently of the Data Pump clients.
C . Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege.
D . Oracle Data Pump imports can be done from the export files generated in the export utility of previous versions.
E . EXPDP and IMPDP use the procedures provided by DBMS_METADATA to execute export and import commands.
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Which two statements are true regarding views?（）
A . A subquery that defines a view cannot include the GROUP BY clause
B . A view that is created with the subquery having the DISTINCT keyword can be updated
C . A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated
D . A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table
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Which statements are true regarding ISDN channels?（）
A . Each B channel can transmit up to 64 kbps
B . The ISDN B channel carries voice or data
C . The ISDN D channel transmits control information.
D . The D channel transmission rate varies depending on the service used.
E . HDLC or PPP can be used to encapsulate D channel information.
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Which two statements are true regarding single row functions?（）
A . They accept only a single argument
B . They can be nested only to two levels
C . Arguments can only be column values or constants
D . They always return a single result row for every row of a queried table
E . They can return a data type value different from the one that is referenced
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Which four statements are true？（）
A . Has-a relationships should never be encapsulated.
B . Has-a relationships should be implemented using inheritance.
C . Has-a relationships can be implemented using instance variables.
D . Is-a relationships can be implemented using the extends keyword.
E . Is-a relationships can be implemented using the implements keyword.
F . An array or a collection can be used to implement a one-to-many has-a relationship.
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Which four are true？（）
A . Has-a relationships should never be encapsulated.
B . Has-a relationships should be implemented using inheritance.
C . Has-a relationships can be implemented using instance variables.
D . Is-a relationships can be implemented using the extends keyword.
E . Is-a relationships can be implemented using the implements keyword.
F . An array or a collection can be used to implement a one-to-many has-a relationship.
G . The relationship between Movie and Actress is an example of an is-a relationship.
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Which two statements regarding a SQL profile are true?（）
A . It is built by Automatic Tuning Optimizer.
B . It cannot be stored persistently in the data dictionary.
C . It can be used by the query optimizer automatically.
D . It can be created manually by using the CREATE PROFILE command.
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Which two statements are true regarding hot patching？（）
A . It requires relinking of the Oracle binary.
B . It does not require database instance shutdown.
C . It can detect conflicts between two online patches.
D . It is available for installing all patches on all platforms.
E . It works only in a single database instance environment.
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Which three statements are true regarding subqueries?（）
A . Subqueries can contain GROUP BY and ORDER BY clauses
B . Main query and subquery can get data from different tables
C . Main query and subquery must get data from the same tables
D . Subqueries can contain ORDER BY but not the GROUP BY clause
E . Only one column or expression can be compared between the main query and subquery
F . Multiple columns or expressions can be compared between the main query and subquery
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Which statements are true regarding listeners（）
A . Listeners use only the TCP/IP protocol.
B . Multiple listener processes can run simultaneously on a host.
C . Multiple database instances can be registered with a single listener.
D . The listener-related errors can be traced only at the administrative level.
E . Only one database instance can be registered with a single listener at any time
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Which two statements are true regarding listeners（）
A . Listeners use only the TCP/IP protocol.
B . Multiple listener processes can run simultaneously on a host.
C . Multiple database instances can be registered with a single listener.
D . The listener-related errors can be traced only at the administrative level.
E . Only one database instance can be registered with a single listener at any time.
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Which two statements are true regarding undo tablespaces（）
A . The database can have more than one undo tablespace.
B . The UNDO_TABLESPACE parameter is valid in both automatic andmanualundo management.
C . Undo segments automatically grow and shrink as needed， acting as circular storage buffer for their assigned transactions.
D . An undotablespaceis automatically created if the UNDO_TABLESPACEparameter is not set and the UNDO_MANAGEMENT parameter is set to AUTO during the database instance start up.
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Which two statements are true regarding EIGRP？（）
A . Passive routes are in the process of being calculated by DUAL.
B . EIGRP supports VLSM，route summarization，and routing update authentication.
C . EIGRP exchanges full routing table information with neighboring routers with every update.
D . If the feasible successor has a higher advertised distance than the successor route，it becomes theprimary route.
E . A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.
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Which two are true regarding external tables？ （）
A . External tables can be updated.
B . External tables are read-only tables.
C . Indexes can be created on external tables.
D . Indexes cannot be created on external tables.
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Which two statements are true regarding subqueries? （）
A . A subquery can retrieve zero or more rows
B . Only two subqueries can be placed atone level
C . A subquery can be used only in SQL query statements
D . A subquery can appear on either side of a comparison operator
E . There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement&e
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Which two statements are true regarding hot patching? （）
A . It requires relinking of the Oracle binary.
B . It does not require database instance shutdown.
C . It can detect conflicts between two online patches.
D . It is available for installing all patches on all platforms.
E . It works only in a single database instance environment.
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Which two statements are TRUE regarding Coherence Indexes ？ （）
A . indexes are maintained by cache entry ownes
B . an application should not suggest an index that another aplication had suggested
C . indexes cannot be sorted
D . each application using Coherence may suggest the same set of indexes when it start
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Which statements are true regarding table compression？（）
A . It saves disk space and reduces memory usage.
B . It saves disk space but has no effect on memory usage.
C . It incurs extra CPU overhead during DML as well as direct loading operations.
D . It incurs extra CPU overhead during DML but not direct loading operations.
E . It requires uncompress operation during I/O.
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Which two statements are true regarding EIGRP?（）
A . Passiveroutes are in the process of being calculated by DUAL.
B . EIGRP supports VLSM, route summarization, and routing update authentication.
C . EIGRP exchanges full routing table information with neighboring routers with every update.
D . If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E . A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.
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Which statements are true regarding SecureFile LOBs？（）
A . The amount of undo retained is user controlled.
B . SecureFile LOBs can be used only for nonpartitioned tables.
C . Fragmentation is minimized by using variable-sized chunks dynamically.
D . SecureFile encryption allows for random reads and writes of the encrypted data.
E . It automatically detects duplicate LOB data and conserves space by storing only one copy.
