Which of the following entities can scheduler policies be applied to? (Choose two)

Question

Options

• ANetwork ingress port
• BEpipe ingress SAP
• CES egress SAP
• DIngress MDA
• EVPRN ingress interface
• FShared buffer space

• B
  94% (46)
• E
  4% (2)
• F
  2% (1)

Explanation

Scheduler policies in Nokia SR OS are designed to govern queue scheduling hierarchies at Service Access Points (SAPs), making both the Epipe ingress SAP (B) and ES egress SAP (C) valid attachment points - they represent access-side service endpoints where traffic shaping and scheduling hierarchies are enforced.

The distractors are wrong for these reasons:

• A (Network ingress port): Ports use port-level QoS mechanisms (like network QoS policies), not scheduler policies.
• D (Ingress MDA): MDAs operate at a hardware/slot level; scheduler policies don't attach there.
• E (VPRN ingress interface): VPRN (Layer 3 VPN) interfaces use network QoS or interface-based policies, not scheduler policies.
• F (Shared buffer space): Buffer pool/space is a separate resource management concept entirely unrelated to scheduler policy application.

Memory tip: Think "SAP = Scheduler Attachment Point" - scheduler policies live at the SAP (access side), not on network-facing interfaces, hardware components, or buffer resources.

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