Forwarding Classes and Classification JN0-664 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which packet header field is commonly used for BA classification of IPv4 traffic?

   • ASource IP address
   • BDSCP field in the IP header
   • CEthernet source MAC address
   • DTCP destination port
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   In Junos CoS, what is the purpose of the classification process?

   • ATo modify the IP header of packets to change their destination address
   • BTo assign a forwarding class and loss priority to incoming packets
   • CTo encrypt packets that are classified as high priority
   • DTo determine the physical interface that a packet should use to exit the router
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   You are troubleshooting a CoS issue on a Junos router. You notice that MPLS packets with a specific EXP value are being placed in the assured-forwarding class. You want to verify the default BA classification for MPLS EXP values. What is the default forwarding class for MPLS EXP 4?

   • AExpedited-forwarding
   • BNetwork-control
   • CAssured-forwarding
   • DBest-effort
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Which two components are the result of classifying a packet in Junos CoS?

   • AForwarding class and loss priority
   • BDSCP value and IP precedence
   • CSource address and destination address
   • DQueue depth and buffer size
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Which statement is correct about applying a classifier in Junos CoS?

   • AA classifier is applied automatically when a forwarding class is defined
   • BA classifier can only be applied to loopback interfaces
   • CA classifier can be applied to an interface or globally to all interfaces
   • DA classifier must be applied to the Routing Engine to take effect
   Reveal Solution Discussion Select an answer first