The following are the details of your database:
Instance name : test
Host name : tech1.us.oracle.com
IP address : 145.33.230.186
Enterprise Manager Console HTTP Port number : 5500
You started the database instance and you want to manage your database remotely with Enterprise Manager through a Web browser.
Which two URLs would you use to access the Database Control? (Choose two.)
A. http://145.33.230.186:5500/em
B. http://www.145.33.230.186:5500/em
C. http://tech1.us.oracle.com:5500/em
D. http://test.145.33.230.186:5500/em
E. http://test.tech1.us.oracle.com:5500
F. http://www.tech1.us.oracle.com:5500/em
G. http://test.tech1.us.oracle.com:5500/em
Answer: AC
EM地址：http:/+IP or HostName+Enterprise Manager Console HTTP Port number+/EM
/home/oracle/app/oracle/product/11.2.0/dbhome_1/install/portlist.ini里存放着Enterprise Manager Console HTTP Port number