After executing the "show host" command, which of the information below would you see?（）

A . The IP addresses of workstations allowed gain access to the router via an access list B . Permanent name-to-address mappings created using the ip host command. C . Temporary and permanent DNS entries. D . The names of the routers created using the hostname command. E . The length of time of users logged into the router, as well as the duratio

时间：2022-10-13 19:17:24 所属题库：CCNA(640-801)题库

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After issuing the "show version" command on your Cisco router, you notice that the image is named "C7200-ajs40-mx". What does the C7200 portion of the filename represent?（）

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int i= 1， j= 10 ； do （ if （i++> --j） continue；） while （i<5）； After execution， what are the values for I and j？（）

A . i = 6 and j= 5 B . i = 5 and j= 5 C . i = 6 and j= 4 D . i = 5 and j= 6 E . i = 6 and j= 6

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You issued the RMAN>SHOW ALL； command. The output of this command is as follows： https://assets.asklib.com/images/image2/2018080116074760626.jpg After analyzing the output， which conclusion will you draw？（）

A . The current control file is not automatically backed up every time you perform a backup. B . The backups save space on the storage media. C . While performing backups across a network， the network bandwidth is reduced. D . The backups consist of backup pieces.

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You executed the following code： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ NAME => ’JOB_A’， ATTRIBUTE => ’JOB_PRIORITY’， VALUE => 7）； END； / After analyzing the above code， what conclusion will you draw？（）

A . The code will be executed successfully. B . The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3. C . The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5. D . The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.

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After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL> ALTER DATABASE OPEN； Which two statements are true（）

A . The online redo log files and online data files are opened. B . All the online data file headers are checked for consistency. C . Instance recovery is performed before opening the database. D . The path and existence of all the log file members are checked

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Examine the command： SQL> ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）

A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log in.

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You work as a database administrator for Supportcenter.cn. On a Monday morning， you find the database instance aborted. After inspecting the alert log file， you execute the STARTUP command in SQL*Plus to bring the instance up. What statement is true？（）

A . PMON coordinates media recovery. B . SMON coordinates instance recovery. C . PMON coordinates instance recovery. D . Undo Advisor would roll back all uncommitted transactions. E . SQL*PLUS reports an error with the message asking you to perform instance recovery.

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After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL> ALTER DATABASE OPEN； Which two statements are true（）

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After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?（）

A . It will recall the previous command line B . It will move the cursor one line up C . It will redisplay the current command line D . It will capitalize the command line E . None of the above

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After completing a commercial transaction, （） will execute the transfer of goods from the seller to the buyer in the most-effective manner.

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Which two of the following actions must an OSPF NSF-capable router execute after a supervisor engine switchover?（） (Choose two.)

A . Re-learn the available OSPF neighbors with neighbor relationship restart B . Send the graceful restart message C . Re-acquire the link state database content for the network D . Re-learn the available OSPF neighbors without neighbor relationship restart

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After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown: https://assets.asklib.com/images/image2/2018073016544395192.jpg What can you conclude about this network? （）

A . The network has been stable for at least the last 45 minutes B . There is a flapping link or interf ace, and router C knows an alternate path to the network C . There is a flapping link or interface, and router A does not know an alternate path to the network D . EIGRP is not working correctly on router C E . There is not enough information to make a determinatio

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Examine the command： SQL> ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）

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Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line 23 executes？（）https://assets.asklib.com/images/image2/2018080114292072522.jpg

A . None of these objects are eligible for garbage collection. B . Only the object referenced by booth is eligible for garbage collection. C . Only the object referenced by snoog is eligible for garbage collection. D . Only the object referenced by snooch is eligible for garbage collection. E . The objects referenced by snooch and booth are eligible for garbage collection.

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After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）

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For a=15, after executing “a%=6”, the value of a is ______（）

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