When you are trouble

1、When you are perform

When you are performing media recover， and an archived log is lost or corrupt， ...

2、When you execute the

When you execute the "ip helper-address" command on a router， which three UDP ports&#8...

3、When you are allowin

When you are allowing RMAN to backup your archived redo log files，how does RMAN ...

4、When would you want&

When would you want to disable souce-route and icmp on a router of interface？

5、When you are trouble

When you are troubleshooting duplex mismatches， which two errors are typically seen on&#8194...

6、When gateways are re

When gateways are registering with a gatekeeper， the gatekeeper can be（）.AOn the same s...