If a PC on an Ethernet network attempts to communicate with a host on a different subnet, what destination IP address and destination MAC address will be placed in the packet/frame header sent by the PC?
a. Dest. IP: IP address of default gateway. Dest. MAC: MAC address of default gateway.
b. Dest. IP: IP address of remote host. Dest. MAC: MAC address of default gateway.
c. Dest. IP: IP address of remote host. Dest. MAC: MAC address of remote host.
d. Dest. IP: IP address of remote host. Dest. MAC: MAC address of local PC.
Answer: b. Dest. IP: IP address of remote host. Dest. MAC: MAC address of default gateway.
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Why do computers use zeros and ones?
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A. 33.4% B. 41.0% C. 52% D. 98.5%
From first principles derive an expression for the speedup ratio of a memory system with cache (assume the hit ratio is h, and the ratio of main store access time to cache access time is k, where k < 1). Assume that the system is an ideal system and that you don't have to worry about the effect of clock cycle times.
What will be an ideal response?