please answer both Questions

What is the order of steps in the computation of the header checksum (in an IPv4 datagram header) Drag and drop to order = E Add each 16-bit value together = B Invert the bits = D Add in any carry = C Put result in the checksum field = A Put a 0 in the checksum field Match the column in the Routing (Forwarding) Table with its description Premise Response Drag and drop to match 1 Network Destination = A cost associated with the indicated route 2 Network Mask = B applied to destination address to extract network component 3 Gateway = C intended network but not specific host 4 Interface = 0 locally available interface is responsible for reaching the gateway 5 Metric = E similar to NextHop-address of next station