Which statement is true about QSFP?
A . The four 10 Gbit/sec channels that QSFP+ supports can be combined into a single 40 Gigabit Ethernet link.
B . QSFP-DD stands for Quad Small Form Factor Pluggable Double Distance.
C . The QSFP+ offers higher data speed than QSFP28.
D . 100GBASE-SR4 supports a much longer distance than 100GBASE-LR4.
Answer: A