Juniper MX Series

Chapter Review Questions

1. What MPC types support per unit scheduling mode?

   1. MPC1

   2. MPC1 Q

   3. MPC2E

   4. MPC3E

2. Which option controls excess bandwidth sharing in Trio?

   1. Excess rate

   2. Excess bandwidth sharing

   3. This is not under user control, always shared in proportion to transmit weight

   4. This is not under user control, always shared in proportion to shaping weight

3. When shaping or displaying interface queue statistics, what overhead does Trio take into account?

   1. Layer 2 only

   2. Layer 1 and Layer 2

   3. Layer 3 only

   4. Layer 2 and Layer 3

   5. None of the above

4. Which of the below configures a guaranteed rate?

   1. Transmit rate for a queue on a nonoversubscribed IFL

   2. Adding peak information rate to a Traffic Control Profile applied to an IFL-Set

   3. Adding committed information rate to a Traffic Control Profile applied to an IFL-Set

   4. Adding committed information rate to a Traffic Control Profile applied to an IFD

   5. Both A and C

5. Which of the below are true with regards to Trio H-CoS?

   1. You can overbook guaranteed rates

   2. The sum of queue transmit rates can exceed IFL shaping speed

   3. The shaping rate of level 3 scheduler can be higher than the underlying shaped rate of the level 1 or level 2 node

   4. Remaining profiles can be used to provide CoS to IFLs either at the IFL-Set of IFD levels

   5. All of the above

6. Which is true regarding priority inheritance?

   1. Strict-high queues are demoted once they reach their shaped or policed rate

   2. A GL/low-priority queue can never be demoted

   3. A queue can demote GH, GM, or GL, but scheduler nodes can only demote GL in regards to guaranteed rates ...