Which are the two key concepts for effectiveness?

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• Which two statements about the open and shared key wireless-authentication methods are true？ （）

  A .  Shared key authentication is considered more secure than open authentication. B .  Shared key authentication is considered less secure than open authentication. C .  If the WEP keys do not match using the open authentication method， the client will not authenticate， associate， and transfer data. D .  If the WEP keys do not match using the open authentication method， the client will still be able to authenticate and associate， but will not transfer data. E .  If the WEP keys do not match using the open authentication method， the client will still be able to authenticate， associate， and transfer data.

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• Which of the following are key characteristics of PPP?（）

  A . can be used over analog circuits B . maps Layer 2 to Layer 3 address C . encapsulates several routed protocols D . supports IP only E . provides error correctio

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• Which two statements about the open and shared key wireless-authentication methods are true？（）

  A . shared key authentication is considered more secure than open authentication B . shared key authentication is considered less secure than open authentication C . if the WEP keys do not match using the open authentication method， the client will not authenticate， associate， and transfer data D . if the WEP keys do not match using the open authentication method， the client will still be able to authenticate and associate， but will not transfer data E . if the WEP keys do not match using the open authentication method， the client will still be able to authenticate， associate， and transfer data

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• You execute this command to drop the ITEM table， which has the primary key referred in the ORDERtable：  SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE；  Which two statements are true about the effect of the command（）

  A . No flashback is possible to bring back the ITEM table. B . The ORDER table is dropped along with the ITEM table. C . The dependent referential integrity constraints in the ORDER table are disabled. D . The dependent referential integrity constraints in the ORDER table are removed. E . The table definition of the ITEM table and associated indexes are placed in the recycle bin.

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• Which of the following statements that describe Diffie Hellman Key exchange are correct？ （）

  A .  A DH key exchange is an algorithm that utilizes asymmetric cryptographic keys. B .  The DH key exchange is used to establish a shared secret over an insecure medium during an IPSec phase 1 exchange. C .  The DH exchange is susceptible to man-in-the-middle attacks. D .  The DH exchange is used to authenticate the peer device duringan IPSec phase 1 exchange. E . A DH exchange provides Perfect Forward Secrecy （PFS）.

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• Examine the command that is used to create a table：  SQL> CREATE TABLE orders（oid NUMBER（6） PRIMARY KEY， odate DATE， ccode NUMBER（6）， oamt NUMBER（10，2）） TABLESPACE users；  Which two statements are true about the effect of the above command） （）

  A . A CHECK constraint is created on the OID column. B . A NOT NULL constraint is created on the OID column. C . The ORDERS table is the only object created in the USERS tablespace. D . The ORDERS table and a unique index are created in the USERS tablespace. E . The ORDERS table is created in the USERS tablespace and a unique index is created on the OIDcolumn in the SYSTEM tablespace.

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• A retailer has IBM and HP servers.  They are comparing the IBM DS4500 storage solution to their current HP StorageWorks EVA 2C12D.  Which TWO of the following are the key advantages of the IBM solution over the EVA product？（）

  A . DS4500 offers better connectivity to the IBM iSeries Servers. B . DS4500 ships with remote volume mirroring （RVM） and Flashcopy services. C . DS4500 offers virtual arrays and fibre tape backup options that make it a less expensive solution. D . DS4500 offers storage manager software standard while EVA requires purchasing of the management software. E . DS4500 offers a flexible solution customizable by the customer while EVA ships standard with a minimum of six disk enclosures.

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• Which three values are valid parameters for the DO_KEY built-in?（）

  A . ENTER  B . GO_ITEM  C . VALIDATE  D . EXIT_FORM  E . EXECUTE_QUERY

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• Which two statements are true about the primary key constraint in a table？ （）

  A . It is not possible to disable the primary key constraint. B . It is possible to have more than one primary key constraint in a single table. C . The primary key constraint can be referred by only one foreign key constraint. D . The primary key constraint can be imposed by combining more than one column. E . The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.

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• What are two key features that make the ASA5510 a better solution for SMB than the ASA 5505?（）

  A . the number of firewall connections allowed B . the base price under $1000 C . intrusion prevention D . number of VLANs supported E . double the connection speed

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• Examine the command that is used to create a table： SQL> CREATE TABLE orders（oid NUMBER（6） PRIMARY KEY， odate DATE， ccode NUMBER （6）， oamtNUMBER（10，2）） TABLESPACE users； Which two statements are true about the effect of the above command（）

  A . A CHECK constraint is created on the OID column. B . A NOT NULL constraint is created on the OID column. C . The ORDERS table is the only object created in the USERS tablespace. D . The ORDERS table and a unique index are created in the USERS tablespace. E . The ORDERS table is created in the USERS tablespace and a unique index is created on the OID columnin the SYSTEM tablespace.

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• Which two interfaces provide the capability to store objects using a key-value pair？（）

  A .  Java.util.Map. B .  Java.util.Set. C .  Java.util.List. D .  Java.util.StoredSet. E .  Java.util.StoredMap. F .  Java.util.Collection.

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• You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE；  Which two statements are true about theeffect of the command（）

  A . No flashback is possible to bring back the ITEM table. B . The ORDERS table is dropped along with the ITEM table. C . The dependent referential integrity constraints in the ORDERS table are disabled. D . The dependent referential integrity constraints in the ORDERS table are removed. E . The table definition of the ITEM table and associated indexes are placed in the recycle bi

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• Which of the following are key characteristics of PPP (Choose three.)（）。

  A . can be used over analog circuits B . maps Layer 2 to Layer 3 address C . encapsulates several routed protocols D . supports IP only E . provides error correctio

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• When setting up the Flashback Data Archive， which of these key parameters are required？（）

  A .  Tablespace name B .  Storage quota C .  Retention D .  Table name E .  Create a default archive

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• Which two of these key fields are used to identify a flow in a traditional NetFlow implementation?（）

  A . source port B . output interface C . next-hop IP address D . source MAC address E . destination IP address F . next-hop MAC addre

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• Which two of these key fields are used to identify a flow in a traditional NetFlow implementation？（）

  A .  source port B .  output interface C .  next-hop IP address D .  source MAC address E .  destination IP address F .  next-hop MAC addre

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• Which the two choices are equivalent？（）

  A .  3 / 2 B .  3 < 2 C .  3 * 4 D .  3 << 2 E .  3 * 22 F .  3 <<<2

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• Which of the following are key characteristics of PPP? (Choose three.)（）

  A . can be used over analog circuits B . maps Layer 2 to Layer 3 address C . encapsulates several routed protocols D . supports IP only E . provides error correctio

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• Which of the two states are the last two states to join the union?

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• Which of the following are two of the three key situational factors Fiedler felt were important in determining leader effectiveness?

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• What are the key features of the talk? Choose two answers

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• Which of following are two key reasons for Nick's success？ Click on two answers.

  A．Nike is the best brand of athletic footwear and sports clothing. B．The managers of Nike, Bowerman and Knight are both athletes. C．The company let Jordan endorse Nile's shoes. D．The diligence of the company managers. 此题为多项选择题。

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• There are no two leaves which are the same in the world

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