a. Distinguish between chronic lack of capacity and momentary traffic peaks.

10a.) _______ can be addressed by using priority

a. Chronic lacks of capacity

b. Momentary traffic peaks

c. Both A and B

d. Neither A nor B

b. How long do momentary traffic peaks last?

10b.) Momentary traffic peaks usually last a few _______ or less.

a. Milliseconds

b. Seconds

c. Minutes

d. Hours

c. What two problems do they create?

10c.) Momentary traffic peaks can lead to _______.

a. Latency

b. Packet loss

c. Both A and B

d. Neither A nor B

d. What three choices do you have for reducing the impact of delays on traffic?

10d.) The damage of momentary traffic peaks can be addressed by _______.

a. Using priority

b. Adding more capacity

c. Both A and B

d. Neither A nor B

e. What is the advantage of each compared to the others?

10e.) Compared to priority, over provisioning capacity can reduce _______.

a. Equipment cost

b. Management labor

c. Both A and B

d. Neither A nor B

f. Comparing e-mail and V o I P, what priority would you give to network control messages sent to switches and routers? (The answer is not in the text.) Explain your reasoning.

10f.) To handle momentary traffic peaks, to which would you give higher priority?

a. E-mail

b. VoIP

c. Both A and B

d. It is impossible to say with the information provided.

g. Is traffic shaping done before or after the traffic enters the network?

10g.) Which of the following reduces momentary traffic peaks by controlling how much traffic is allowed into the network?

a. Over provisioning

b. Priority

c. QoS guarantees

d. None of the above

h. What two choices does traffic shaping present for forbidden or undesirable traffic submitted to the network?

10h.) Traffic shaping may _______ traffic that is considered to be undesirable.

a. Prohibit

b. Limit

c. Both A and B

d. Neither A nor B

i. If there is chronic lack of capacity, which of the mechanisms describe in these sections can help?

10i.) Priority is a way to handle a chronic lack of capacity.

a. True

b. False

j. What must be done if this is not possible or not sufficient?