a. Why is handling options the way that IPv4 does undesirable?

23a) Which has a better system for handling options beyond the main header?

a. IPv4

b. IPv6

c. Both use the same method.

d. Neither can handle options.

b. Why is the approach of using optional extension headers desirable?

c. What is often the only extension header that routers usually must consider?

23c) ________ is/are the only extension header(s) that all routers usually much consider.

a. Destination options

b. Mobility header

c. Encapsulating security protocol header

d. Hop-by-hop options

f. How does the last extension header before a UDP data-gram indicate that the UDP data-gram comes next?

e. If you see 0 in the Next Header Field of a header, what will follow this header?

23e.) If you see 0 in the Next Header Field of a header, what will follow this header?

a. Hop-by-hop options

b. Destination options

c. Mobility header

d. None of the above

f. Why are the terms payload and data field not synonymous?

23f.) The terms payload and data field (upper layer content) ________ in IPv6.

a. Are synonymous

b. Have nothing in common

c. Are related but different

d. None of the above