UESTION NO: 75
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication
using master-slave replication.
Which two statements are correct?
A.
Both technologies use the TCP/IP stack as their primary transmission medium.
B.
DRBD uses shared-disk technology.
C.
Both technologies guarantee an identical copy of data on the secondary node.
D.
Only MySQL can maintain a time-delayed copy of data on the secondary node.
Explanation:
—
B, D
But A for not B could be right, too *_*
A, D.
A,D
Are DRBD using TCP/IP Stack…?
I think C,D
I think AD
http://dev.mysql.com/doc/refman/5.6/en/ha-drbd.html
why not C ???
replication allows different data between master and slave:
– delayed replication
– different user/grants
– different indexes|schemas (with some limitations)
A, D