a. In Figure 8-11, how will a router test whether Row 3 matches the IPv4 address 60.168.6.7? Show the calculations in the format given in Figure 8-12. 

b. Is the row a match?

c. Why is the last row called the default row?

9c.) If no other row matches, the router will select the _______ row as its best match.

a. First

b. Last

c. Either A or B, depending on the circumstances

d. Neither A nor B

d. Why must a router look at all rows in a routing table?

9d.) In a routing table, Rows 47 and 3497 both match the destination IP address of an arriving packet's IP address. What row will the router look at first when trying to find matching rows?

a. 1

b. 47

c. 3497

d. The default row

e. Which rows in Figure 8-11match 172.30.17.6? (Don’t forget the default row.) Show your calculations for rows that match.

9e.) A packet arrives at a router with destination IP address 62.17.3.2. Row 47 has the destination value 62.17.4.0. Is Row 47 a match?

a. Yes

b. No

c. It cannot be determined from the information given.

f. Which rows match 60.168.7.32? Show your calculations for rows that match.

9f.) A packet arrives at a router with destination IP address 128.171.3.2. Row 47 has the destination value 128.171.0.0. Is Row 47 a match?

a. Yes

b. No

c. It cannot be determined from the information given.

d. Which rows in Figure 8-11 match 128.171.17.13? (Show your calculations for rows that match.)