The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping command executes successfully when tested with ORCL; however, from the same OS usersession, you are not able to connect to the database instance with the following command:SQL CONNECT scott/tiger@orcl What could be the reason for this?（）A、The listener is not running on the database node.B、The TNS_ADMIN environment variable is set to the wrong value.C、The orcl.oracle.com database service is not registered with the listener.D、The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.E、The listener is running on a different port.
The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping command executes successfully when tested with ORCL; however, from the same OS usersession, you are not able to connect to the database instance with the following command:SQL > CONNECT scott/tiger@orcl What could be the reason for this?（）
- A、The listener is not running on the database node.
- B、The TNS_ADMIN environment variable is set to the wrong value.
- C、The orcl.oracle.com database service is not registered with the listener.
- D、The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.
- E、The listener is running on a different port.
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单选题Your tnsnames.ora file has the following entry for the service alias ORCL： ORCL = （DESCRIPTION = （ADDRESS = （PROTOCOL = TCP） （HOST = 10.156.24.216） （PORT = 1521）） （CONNECT_DATA = （SERVER = DEDICATED） （SERVICE_NAME = orcl.oracle.com） ） ） The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command： SQL CONNECT scott/tiger@orcl What could be the reason for this？（）AThe listener is not running at the server.BThe TNS_ADMIN environmental variable is set to a wrong value.CThe orcl.oracle.com database service is not registered with the listener.DThe DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNET.ORA file.
单选题Which task would you perform before you run Oracle Universal Installer （OUI） in silent or suppressedmode for an installation（）ARun the root.sh script.BCreate the oraInst.loc file.CCreate the tnsnames.ora file.DRun the oraintRoot.sh script.
多选题When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUP command？（）Adata fileBpassword fileCarchivelog fileDtemporary fileEonline redo log fileFthe current control fileGthe tnsnames.ora fileHcurrent server parameter file
单选题The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping command executes successfully when tested with ORCL; however, from the same OS usersession, you are not able to connect to the database instance with the following command:SQL CONNECT scott/tiger@orcl What could be the reason for this?（）AThe listener is not running on the database node.BThe TNS_ADMIN environment variable is set to the wrong value.CThe orcl.oracle.com database service is not registered with the listener.DThe DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.EThe listener is running on a different port.
多选题When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUPcommand？ （）Adata fileBpassword fileCarchivelog fileDtemporary fileEonline redo log fileFthe current control fileGthe tnsnames.ora fileHcurrent server parameter file
单选题A client/server application has been configured to use local naming. The client and server run on separate machines. When the client tries to connect， it receives a TNS error. By carefully examining the environment， a tnsnames.ora is found only on the Oracle server machine， among other things. After copying this tnsnames.ora onto the client machine， the client is able to connect to the server. Which statement is true？（）Atnsnames.ora must be on the client machine for local naming. Btnsnames.ora must be removed from the server for the connection to work. Ctnsnames.ora must be on both the client and server machines for local naming. Dtnsnames.ora is not required for local naming; the problem was not fixed by copying the file to the client.
单选题What command is used to create a SEA device over physical ethernet adapter ent0 and virtual ethernet adapters ent1（PVID 1） and ent2（PVID 2） with default ID of 1（）Amkvdev -sea ent1 -vadapter ent2 -default ent1 -defaultid 1Bmkvdev -sea ent1 -vadapter ent0 -vadapter ent2 -default ent1 -defaultid 1Cmkvdev -sea ent0 -vadapter ent1，ent2 -defaultid 1Dmkvdev -sea ent0 -vadapter ent1 ent2 -default ent1 -defaultid 1
单选题A file system has been corrupted and needs to be restored. Which file contains the ufsdump levels for this file system？ （）A /etc/backupB /etc/ufsdumpC /etc/dumpdatesD /etc/fsdumpdates
单选题Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client whileconnecting to the database instance from a remote machine（）AHost naming methodBLocal naming methodCExternal naming methodDDirectory naming method
单选题An Enterprise rou ter, Ent1, displays the following excerpt from the show ip bgp command. ENT1 has an eBGP connection to an ISP router with address 3.3.3.3 and an iBGP connection to a router with address 4.4.4.4. Which of the following is most likely to be true?（） Network Next Hop Metric LocPrf Weight Path * 3.3.3.3 0 0 1 1 1 1 2 18 iAThe Enterprise likely uses ASN 1.BThe neighboring ISP likely uses ASN 1.CThe route has been advertised through ASN 1 multiple times.DRouter Ent1 will add another ASN to the AS_Path before advertising this route to its iBGP peer (4.4.4.4).
单选题Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine？（）Ahost naming methodBlocal naming methodCexternal naming methodDdirectory naming method