[单项选择]Which of the following scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO (usually in another row) in the same table?（）
A. Define a UNIQUE constraint on the columns NEXT_STEPNO and STEPNO.
B. Define a CHECK constraint on the NEXT_STEPNO column (NEXT_STEPNO = STEPNO).
C. Define column STEPNO as the primary key of TABLEX and column NEXT_STEPNO as a foreign key referencing column STEPNO of the same table.
D. Define column NEXT_STEPNO as the primary key of TABLEX and column STEPNO as a foreign key referencing column NEXT_STEPNO in the same table.

[单项选择]In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）
A. Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.
B. A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.
C. A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.
D. A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

[多项选择]Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）
A. Change in the Oracle Database version
B. Change in your network infrastructure
C. Change in the hardware configuration of the database server
D. Migration of database storage from non-ASM to ASM storage
E. Database and operating system upgrade

[单项选择]Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?（）
A. Define the column MAINID as NOT UPDATABLE
B. Define the column MAINID as a PRIMARY KEY
C. Define the column MAINID as a FOREIGN KEY
D. Define an UPDATE trigger on table TABLEX

[单项选择]Which of the following should be used to ensure that all packets are received by every connecteddevice?（）
A. Hub
B. Router
C. Switch
D. Firewall

[单项选择]Which of the following is the BEST way to ensure that all users receive a mapping to multiple shared drives?（）
A. Configure individual user accounts
B. Logon scripts
C. Local policy
D. Set NTFS permissions

[单项选择]Given the following possibilities, which one results in an increase in total consumer expenditures（）
A. demand is unitary elastic and price falls.
B. demand is elastic and price rises.
C. demand is inelastic and price rises.

[单项选择]Of the following estimates, which most accurately reflect the actual cost of the project ？（）
A. Conceptual estimate
B. Order of magnitude estimate
C. Preliminary estimate
D. Bottom-up estimat

[单项选择]Of the following functions, which is NOT possessed by the navigation computer

[单项选择]Refer to the following architectures, which one is able to supply a core infrastructure so that customers can capitalize quickly with the change of business requirements?（）
A. Branch
B. Campus
C. Teleworker
D. Data center

[多项选择]Which two scenarios would benefit the most from TCP Acceleration? （）(Choose two.)
A. low-latency networks
B. high-latency networks
C. long-haul, low-bandwidth links
D. long-haul, high-bandwidth links

[单项选择]Which of the following is one way in which Nevelson's art illustrates her theory as it is expressed in paragraph 4
A. She sculpts in wood rather than in metal or stone.
B. She paints her sculptures and frames them in boxes.
C. She makes no preliminary sketches but rather allows the sculpture to develop as she works.
D. She puts together pieces of ordinary objects once used for different purposes to make her sculptures.

[单项选择]Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 strict; } path path2 { 10.200.20.1 strict; } path path3 { 10.200.30.1 loose; }
A. The router will use path1 when it is available and stable.
B. The router will use path3 when it is available and stable.
C. The router will attempt to establish path2 only when path1 and path3 are down.
D. The router will attempt to establish path1 only when path2 and path3 are down.

[单项选择]All the following are costs incurred to ensure compliance to requirements except ？（）
A. prevention costs
B. appraisal costs
C. quality planning costs
D. warranty costs

[多项选择]Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?（）
A. When using versions of Java technology earlier than 5.0.
B. When sharing a StringBuffer among multiple threads.
C. When using the java.io class StringBufferInputStream.
D. When you plan to reuse the StringBuffer to build more than one string.

[单项选择]About the following IP address ,Which is incorrect
A. 202.115.258.11
B. 127.0.0.1
C. 202.115.199.199
D. 203.115.26.0

[单项选择]About the following IP addresses, Which is incorrect ( )
A. 201.199.255.11
B. 201.198.132.1
C. 201.199.128.6
D. 201.198.134.257

[单项选择]Which of the following is NOT the reason for which Bank of America thrived

[多项选择]In which two scenarios do you use SQL* Loader to load data?（）
A. Transform the data while it is being loaded into the database.
B. Use transparent parallel processing without having to split the external data first.
C. Load data into multiple tables during the same load statement.
D. Generate unique sequential key values in specified columns.

[单项选择]Which the following is NOT true