A. Configure BGP on the company’s router with a keep-alive to 300 ms and the BGP hold timer to 900 ms.
B. Enable Bidirectional Forwarding Detection (BFD) on the company’s router with a detection minimum interval of 300 ms and a BFD liveness detection multiplier of 3.
C. Enable Dead Peer Detection (DPD) on the company’s router with a detection minimum interval of 300 ms and a DPD liveliness detection multiplier of 3.
D. Enable Bidirectional Forwarding Detection (BFD) echo mode on the company’s router and disable sending the Internet Control Message Protocol (ICMP) IP packet requests.

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