In Amazon ElastiCache, the default cache port is:

A.
for Memcached 11210 and for Redis 6380.

B.
for Memcached 11211 and for Redis 6380.

C.
for Memcached 11210 and for Redis 6379.

D.
for Memcached 11211 and for Redis 6379.

Explanation:
In Amazon ElastiCache, you can specify a new port number for your cache cluster, which by
default is 11211 for Memcached and 6379 for Redis.
http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/GettingStarted.AuthorizeAcce
ss.html