Which two methods mitigate congestion in a SAN network? (Choose two.)

Which two methods mitigate congestion in a SAN network? (Choose two.)
A . Configure ER_RDY to allow splitting of each ISL between switches into separate virtual links.
B . Use the port-monitor command to detect slow drain devices.
C . Configure the port channel to enable individual buffer-to-buffer credits.
D . Configure the port monitor to allow categorization of a specific device as slow.
E . Configure the flow control for the FC to use R_RD

Answer: A,D

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/8_x/config/interfaces/cisco_mds9000_interfaces_config_guide_8x/congestion_avoidance_isolation.html