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【单选题】

After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）

A、 Not enough NFS daemons running

B、 Too many NFS daemons running

C、 nfs_tcp_socketsize is too small

D、 nfs_tcp_socketsize is too large

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更多“After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）”相关的问题
第1题
[] You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）

A、A.Immediately following statement execution   B、B.After the ALTER TABLE DROP UNUSED COLUMNS command is issued   C、C.After the ALTER TABLE SET UNUSED COLUMN command is issued   D、D.After the ALTER TABLE MODIFY command is issued  

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第2题
[] In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）

A、A.After the COPY command.  B、B.After adding a data file in the target database.  C、C.After adding a tablespace in the target database.  D、D.After adding a tablespace in the catalog database.  E、E.After dropping a data file in the catalog database.  F、F.After running SQL Loader to load a large amount of data.  

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第3题
[单选题] How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed？（）  

A、 Issue the ALTER DISKGROUP ... ADD DISK command.  B、 Issue the ALTER DISKGROUP ... UNDROP DISKS command.  C、 Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.  D、 Retrieve the disk from the Recycle Bin after the operation completes.  

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第4题
[] How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed？（）  

A、A. Issue the ALTER DISKGROUP ... ADD DISK command.  B、B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.  C、C. Issue the ALTER DISKGROU  D、D. Retrieve the disk from the Recycle Bin after the operation completes.  

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第5题
[单选题] Which statement correctly describes a wireless client Layer 2 roam from AP1 to AP2 while joined to a multicast stream using Cisco WLC running v5.2?（）

A、Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from Cisco WLC after AP1 issues an IGMP query.  B、Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from Cisco WLC independent of AP1 multicast member status.  C、Client resumes multicast after association with AP2, because multicast information is sent in mobility exchanges and AP2 is already a member of the multicast group, provided that another client has already joined that multicast.  D、Client resumes multicast after association with AP2, because multicast information is sent in mobility exchanges and AP2 is already a member of the multicast group, regardless if any other clients have already joined that multicast.  

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第6题
[多选题] Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of afiber uplink was damaged. Which two features can prevent the same issues in the future？（）

A、root guard  B、loop guard  C、BPDU guard  D、UDLD  E、BPDU skew detection  

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第7题
[多选题] Your network is suffering from regular outages. After troubleshooting， you learn that the transmit  lead of a fiber uplink was damaged. Which two features can prevent the same issues in the  future？（）

A、root guard  B、loop guard  C、BPDU guard  D、UDLD  E、BPDU skew detection  

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第8题
[单选题] An administrator is troubleshooting issues on an application server.After a root cause analysis，the administrator has determined that there were some unauthorized logins to the server.Which of the following locations would BEST help to determine details about the unauthorized logins？（）

A、Active Directory  B、DHCP logs  C、Security logs  D、System logs  

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第9题
[单选题] A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）

A、Issue startsrc -s loopback  B、Issue startsrc -g tcpip  C、Issue rc.tcpip  D、Reconnect the network cable  

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