A user is unable to connect to the company‘s intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup. The problem is persisting after running ipconfig /flushdns.Which of the following should the administrator do NEXT?()
A. Examine the Imhost file.
B. Flush the cache on the DNS server.
C. Flush the cache on the WINS server.
D. Examine the hosts file
第1题:
A.Bob has max_user_connections set to zero, which blocks all his connections
B.Joe has exceeded the max_user_connections global limit
C.All users are blocked because max_user_connections is accumulated over the host account information
D.Kay is already connected elsewhere and attempting to log in again
E.Connect_timeout is too small to allow a connection to occur
第2题:
A.mysql_open("localhost");
B.mysql_connect("localhost");
C.connect_mysql("localhost");
D.dbopen("localhost");
第3题:
第4题:
Yourdatabaseisnotconfiguredforsessionfailover.Yourtnsnames.orafilecontainsthefollowingdetails:test.us.oracle.com=(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=off)(FAILOVER=ON)(ADDRESS=(PROTOCOL=tcp)(HOST=test1-server)(PORT=1521))(ADDRESS=(PROTOCOL=tcp)(HOST=test2-server)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=test.us.oracle.com)))Whichfeatureisenabledinthiscase?()
A.Loadbalancing
B.Instancefailover
C.Databasefailover
D.Connect-timefailover
E.TransparentApplicationFailover(TAF)
第5题:
(74)
A.link
B.talk
C.communicate
D.connect
第6题:
哪个命令是把connect角色授予给用户lj?
A.把connect给lj;
B.revoke connect to lj;
C.grant connect to lj;
D.grant connect to lj with admin option;