Policers and Schedulers JN0-664 Practice Questions (Page 4)

Questions 16–20

1. 16application · easy

   A network administrator needs to limit HTTP traffic from a specific customer to 10 Mbps on a Juniper router. The traffic should be accepted if it conforms to the rate and discarded if it exceeds the rate. The administrator is configuring a firewall filter with a policer. Which action should be specified in the policer configuration for the exceeding traffic?

   • Adiscard
   • Bloss-priority
   • Caccept
   • Dforwarding-class
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   Which parameters are used by a two-rate three-color policer?

   • ACIR, CBS, and EBS
   • BBandwidth, burst, and priority
   • CCIR, CBS, EBS, and PIR
   • DCIR, PIR, CBS, and PBS
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   What is the effect of increasing the buffer size of a scheduler queue?

   • AIt decreases the transmit rate of the queue
   • BIt decreases the priority of the queue
   • CIt increases the ability to absorb bursts but also increases delay
   • DIt increases the drop probability during congestion
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   What does 'strict-high' priority mean for a scheduler queue in Junos?

   • AThe queue has the largest buffer size
   • BThe queue is only serviced when other queues are empty
   • CThe queue is always serviced before any other queue
   • DThe queue is guaranteed a minimum bandwidth
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   What is the primary role of a policer in a Junos CoS implementation?

   • ATo enforce a traffic rate limit by dropping or marking packets that exceed the configured rate
   • BTo prioritize traffic by assigning forwarding classes and scheduling queues
   • CTo shape traffic by buffering excess packets and smoothing bursts
   • DTo reorder packets to improve application performance
   Reveal Solution Discussion Select an answer first