【多选题】
You need to decide on the best router redundancy protocol to use in the Company network.<br />  Which  two statements are true about HSRP， VRRP， and GLBP？（）
A、 GLBP and VRRP allow for MD5 authentication， whereas HSRP does not.
B、 HSRP allows for multiple upstream active links being simultaneously used， whereas GLBP does not.
C、 GLBP allows for router load balancing of traffic from a network segment without the different host IP configurations required to achieve the same results with HSRP.
D、 Unlike HSRP and VRRP， GLBP allows automatic selection and simultaneous use of multiple available gateways.
E、 GLBP allows for router load balancing of traffic from a network segment by utilizing the creation of multiple standby groups.
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