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With the two great telescopes, astronomers can ______ .A．see the stars in Russia and the U

With the two great telescopes, astronomers can ______ .

A．see the stars in Russia and the United States

B．see the farthest stars in the universe

C．see farther away into the universe

D．find out new stars in the universe

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更多“With the two great telescopes, astronomers can ______ .A．see the stars in Russia and the U”相关的问题

第1题

Which statement about Automatic Memory Management with Oracle 11g is true？（）

A. You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_TARGET values that are greater than zero in your parameter file.

B. Oracle can reallocate memory between the SGA and PGA automatically as needed.

C. To use Automatic Memory Management, you must explicitly set both the MEMORY_TARGET and MEMORY_MAX_TARGET parameters in your parameter file.

D. You can set the MEMORY_TARGET parameter to a maximum value of the current SGA size plus the current PGA size.

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第2题

You want to log into the router and make a configuration change.After loggin in as the root user, what is the next command you must enter？（）

A．enable

B． configure

C． edit

D． cli

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第3题

Which statement is true when you enable SSL for the WebUI？（）

A. SSL is enabled for the WebUI by default.

B. You must address the WebUI using HTTPS://.

C. You must change the WebUI port when enabling SSL.

D. The demokey and democert are applied to the WebUI by default.

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第4题

You need to maintain a record of all transactions on some tables for at least three years. Automatic undo management is enabled for the database.What must you do accomplish this task？（）

A. Enable supplemental logging for the database.

B. Specify undo retention guarantee for the database

C. Create Flashback Data Archive in the tablespace where the tables are stored.

D. Create Flashback Data Archive and enable Flashback Data Archive for specific tables

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第5题

On the form, you have to specify what you are sending.

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第6题

You must track all transactions that modify certain tables in the sales schema for at leas

t three years.Automatic undo management is enabled for the database with a retention of one day.Which two must you do to track the transactions？（）

A. Enable supplemental logging for the database.

B. Specify undo retention guarantee for the database.

C. Create a Flashback Data Archive in the tablespace where the tables are stored.

D. Create a Flashback Data Archive in any suitable tablespace.

E. Enable Flashback Data Archiving for the tables that require tracking

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第7题

You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter？（）

A．enable

B． configure

C． edit

D． cli

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第8题

Which describes the default behavior when you create a table？（）

A. The table is accessible to all users.

B. Tables are created in the public schema.

C. Tables are created in your schema.

D. Tables are created in the DBA schema.

E. You must specify the schema when the table is created.

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第9题

Which parameters must you select when configuring operating system probes SCREEN options？（）

A．syn-fin, syn-flood, and tcp-no-frag

B． syn-fin, port-scan, and tcp-no-flag

C． syn-fin, fin-no-ack, and tcp-no-frag

D． syn-fin, syn-ack-ack-proxy, and tcp-no-frag

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