Oracle认证考试
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 comma
题目
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.
相似问题和答案
第1题：
Certkiller .com has asked you to create a file management application to monitor the hosts file.Certkiller .com has instructed you to change the hosts file if it has been changed.You, therefore, need to display the size and whether the hosts file is set to read-only.What should you do?（）
A.
B.
C.
D.
第2题：
When you use the Oracle Net Configuration Assistant to specify the naming method， which file is updated？（）
- A、INIT.ORA
- B、SQLNET.ORA
- C、LISTENER.ORA
- D、TNSNAMES.ORA
正确答案:D
第3题：
A.Compilation fails.
B.The file system has a new empty directory named dir.
C.The file system has a new empty directory named newDir.
D.The file system has a directory named dir, containing a file f1.txt.
E.The file system has a directory named newDir, containing a file f1.txt.
第4题：
A technical specialist defined a virtual Ethernet ent2 on the VIO server that has a physical adapter， ent0. Which of the following commands should be used to configure the Shared Ethernet Adapter？（）
- A、mkvdev -sea ent2 -vadapter ent0 -default ent0 -defaultid 1
- B、mkdev -virtual ent0 -adapter ent3 -default en2 -defaultid 1
- C、mkvdev -sea ent0 -vadapter ent2 -default ent2 -defaultid 1
- D、mkvdev ent0 -sea -vadapter ent2 -default ent2 -defaultid 1
正确答案:C
第5题：
7300 中，创建ADSL Line Profile的命令为（）。
- A、ENT-PROFILE-ADSL
- B、ENT-PROFILE-XLNE
- C、ENT-PROFILE-XSRVC
- D、ENT-PROFILE- SERVICE
正确答案:A
第6题：
An administrator has decided to use a Shared Ethernet Adapter （SEA） as part of a virtualized environment. Due to the expected traffic across the SEA， the administrator has decided to use an aggregation of two physical Ethernet adapters， ent0 and ent1 as the backing device in the VIO server to increase the available network bandwidth. Which of the following commands would successfully create an aggregation device within a VIO server？ （）
- A、 mkvdev -lnagg ent0，ent1
- B、 mkdev -lnagg -d ent0，ent1
- C、 mkvdev -t etherchannel -a ent0，ent1
- D、 mkdev -c adapter -s pseudo -t etherchannel ent0，ent1
正确答案:A
第7题：
Which task would you perform before you run Oracle Universal Installer （OUI） in silent or suppressed mode foran installation？（）
- A、Run the root.sh script.
- B、Create the oraInst.loc file.
- C、Create the tnsnames.ora file.
- D、Run the oraInstRoot.sh script.
正确答案:B
第8题：
Atwo-nodeclusterisconfiguredformutualtakeoverwithtwoserviceIPlabels.TheclusterisBeingtestedforfalloverbehavior.Bothnodesintheclusterhavetwonetworkinterfaces（ent0’and’ent1’）configuredwithIPATviaIPReplacement.Whenthenetworkcableisremovedfromtheinterfacecardwiththeserviceaddress（’ent0’），theserviceaddressismovedto’ent1’，and’ent0’isreconfiguredonitsbootaddress.Whenthenetworkcableisreplacedon’ent0，theserviceaddressdoesnotswitchbackto’ent0’.
Whatstatementmostaccuratelydescribesthissituation？（）
第9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 i
- A、The Enterprise likely uses ASN 1.
- B、The neighboring ISP likely uses ASN 1.
- C、The route has been advertised through ASN 1 multiple times.
- D、Router Ent1 will add another ASN to the AS_Path before advertising this route to its iBGP peer (4.4.4.4).
正确答案:B
第10题：
A file system has been corrupted and needs to be restored. Which file contains the ufsdump levels for this file system？ （）
- A、 /etc/backup
- B、 /etc/ufsdump
- C、 /etc/dumpdates
- D、 /etc/fsdumpdates
正确答案:C