-
Which of the following best describes the following command： ip flow-export destination192.168.1.50 1500？（）
A . it is not a valid NetFlow command
B . it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50
C . it is a NetFlov/ command that v/ill export 1500-byte packets to IP address 192.168.1.50
D . it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port 1500
E . It is a NetFlov/ command that v/ill specify that the NetFlov/ collector’s IP address is192.168.1.50 over UDP port 1500
F . It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for packets upto an MTU of 1500
-
Which of the following be stdescribes the following command：ipflow-export destination 192.168.1.501500（）
A . it is not a valid NetFlow command.
B . it is an SNMP command tha texports1500-byte packets to IPaddress192.168.1.50.
C . it is a NetFlov/command that v/ill export 1500-byte packets to IP address192.168.1.50.
D . it is a NetFlov/command that allows IP address192.168.1.50 to send traffic to port 1500.
E . It is a NetFlov/command that v/ill specify that the NetFlov/collector’s IP address is 192.168.1.50 over UDP port 1500
-
尸体现象（postmortem phenomena）
-
Why would you use the following FLASHBACK TABLE command？（） FLASHBACK TABLE emp TO TIMESTAMP （’11：45’.’hh12：mi’）；
A . to undo the changes made to the EMP table since the specified time
B . to restore the EMP table that was wrongly dropped from the database
C . to view the transactions that have modified the EMP table since the specified time
D . to view the changes made to the EMP table for one or more rows since the specified time
-
Why would you use the following FLASHBACK TABLE command？（） FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）；
A . to undo the changes made to the EMP table since the specified time
B . to restore the EMP table that was wrongly dropped from the database
C . to view the transactions that have modified the EMP table since the specified time
D . to view the changes made to the EMP table for one or more rows since the specified time
E . to recover the EMP table to a point in time in the past by restoring the most recent backu
-
You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）; Which two statements are correct？（）
A . The FLASHBACK TABLE statement will not be written to the alert log file.
B . The changes made to the EMP table since the specified time will be undone.
C . The EMP table that was dropped by mistake from the database will be restored.
D . The FLASHBACK TABLE statement will be executed within a single transaction.
E . The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.
F . The list of transactions that have modified the EMP table since the specified time will be displayed.
-
Which of the following steps is incorrect in the following sequence of enabling the ARCHIVELOG mode of a database？（）
A . Shut down the database.
B . Set the appropriate parameters in init.ora file.
C . Start the database in NOMOUNT state.
D . Issue the ALTER DATABASE ARCHIVELOG command.
E . Open the database.
F . Take a full closed backup.
-
Which of the following best describe the customer benefit of assessing for network readiness in the plan phase？ Select exactly 1 answer（s） from the following：（）。
A . reduce unnecessary disruption， delays， rework， and other problems by establishing test cases for use in verifying that the system meets operational， functional， and interface requirements
B . improve its ability to make sound financial decisions by developing a business case based on its business requirements and establishing a basis for developing a technology strategy
C . reduce operating costs and limit change-related incidents by providing a consistent and efficient set of processes
D . improve the return on investment and hasten migration by identifying and planning for necessary infrastructure changes and resource additions， as well as reduce deployment costs by analyzing gaps early in the planning process to determine what is needed to support the system
-
The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a -b ] Which of the following statements is true regarding this entry?（）
A . Either the -a or flag -b may be used, but not both.
B . If the flag -a is used then the flag -b also must be used.
C . One of the -a or -b flags must be used, but not both at the same time.
D . Both the flags may be used together, but neither are mandatory.
-
Why would you use the following FLASHBACK TABLE command？（） FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）;
A . to undo the changes made to the EMP table since the specified time
B . to restore the EMP table that was wrongly dropped from the database
C . to view the transactions that have modified the EMP table since the specified time
D . to view the changes made to the EMP table for one or more rows since the specified time
E . to recover the EMP table to a point in time in the past by restoring the most recent backu
-
The enableModifiedFlag enables which of the following？（）
A . User initiated edit document command
B . Silent navigation from an edited page
C . User initiated save command
D . Removal of a locked for editing statu
-
You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）； Which two statements are correct？ （）
A . The FLASHBACK TABLE statement will not be written to the alert log file.
B . The EMP table that was dropped by mistake from the database will be restored.
C . The changes made to the EMP table since the specified time will be undone.
D . The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.
E . The FLASHBACK TABLE statement will be executed within a single transaction.
F . The list of transactions that have modified the EMP table since the specified time will be displayed.
-
Which of the following has the meaning of the joint?
-
One of the most obvious themes of the novel The Million Pound Bank Note is the critique of worship, and the author also reveals the ridiculous phenomena that existed in society at the time.
-
Please fill the blanks of the following sentence from the following answers.He is ________ to the computer day and night.
-
Saussure distinguished the linguistic competence of the speaker and the actual phenomena or data of linguistics (utterance) as Langue and Parole.
-
The word “tiresome” means the following EXCEPT .
-
Please fill the blanks of the following sentence from the following answers. He is ________ to the computer day and night.
-
Some phenomena related to grass are often used to describe the transiency of human life.
-
Fill in the blank with the right form of the given word.The __________ (produce) of a mathematical formula by mathematics and physics experts explains the modern phenomena of network science.
-
A myth is a ______ tale originally with religious significance that explains the actions of gods or heroes, the causes of natural phenomena or both.
A．non-fictional
B．fictional
C．gothic
D．poetic
-
The following picture describe the theory of:
A．James-Lange
B．Cannon-Bard
C．Schachter’s Two-Factor
D．None of these above
-
Please Listen to the following TED talk and answer the questions followed. （1分55秒-2分17
Please Listen to the following TED talk and answer the questions followed. (1分55秒-2分17秒） British physicist John Tyndall, in the 1850’s, made laboratory measurements of the infrared radiation, which is heat. And he showed that gasses such as CO2___________ , thus acting like a blanket warming Earth’s surface.
A、absorb heat
B、reflect heat
C、absorb sunlight
D、reflect sunlight
-
Please Listen to the following TED talk and answer the questions followed. （2分17秒-3分08
Please Listen to the following TED talk and answer the questions followed. (2分17秒-3分08秒） The speaker worked with other scientists to analyze earth climate observations. In 1981,they published an article in Science magazine concluding that
A、observed warming of 0.4 degrees Celsius in the prior century was consistent with the greenhouse effect of increasing CO2
B、That Earth would likely warm in the 1980’s, and warming would exceed the noise level of random weather by the end of the century
C、The 21st century would see shifting climate zones, creation of drought-prone regions in North America and Asia, erosion of ice sheets, rising sea levels and opening of the fabled Northwest Passage
D、All of these impacts have since either happened or are now well under way
