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2-48. Four switched networks are involved in transmissions from the source to the destination host. How many frames will there be along the way when the source host transmits a packet? a. b. 3 2-49. Four switched networks are involved in transmissions from the source to the destination host. How many routes will there be along the way when the source host transmits a packet a. b. 3 2-50. Four switched networks are involved in transmissions from the source to the destination host. How many destination IP addresses will there be along the way when the source host transmits a packet? a. b. c. 4 d. 5 2-51. Four switched networks are involved in transmissions from the source to the destination host. How many data link layer destination addresses will there be along the way when the source host transmits a packet? a. b. 3 d. 5