Serial Line IP (SLIP)--->Data Link layer ( Serial Line Internet Protocol (SLIP) , Compressed SLIP (CSLIP) , High-level Data Link Control (HDLC) , Point‑to-Point Protocol (PPP) , Frame Relay, and Ethernet.
Border Gateway Protocol (BGP)-->Network layer (Routing protocol)
User Data Protocol (UDP)---->Transport Layer
Simple Network Management Protocol--→Application layer
Hence correct ans is option B