What is the primary function of a Path Computation Element (PCE) in segment routing?

To forward packets using segment lists

To compute optimal paths based on network constraints

Why is TI-LFA considered 'topology-independent'?

It works regardless of the network topology

A service provider is running a multi-area OSPF network and wants to deploy segment routing with a centralized controller that can compute paths across area boundaries. The controller needs to learn the network topology and the SIDs assigned to each node. Which mechanism should the controller use to gather this information?

BGP-LS with the SR extensions to advertise topology and SIDs to the controller

IS-IS TE sub-TLVs flooded to the controller via the IGP

OSPF-TE opaque LSAs flooded directly to the controller

SNMP polling of each router's MIB for SID and topology data

What is the role of IS-IS TE in a segment routing network?

To establish adjacency with BGP peers

To carry traffic engineering link attributes such as bandwidth and delay

CiscoCertified Network Professional Service Provider

Domain 3Objective 3

3.3 Describe Segment Routing 350-501 Practice Questions (Page 1)

Part of the MPLS and Segment Routing domain, which accounts for 20% of the 350-501 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 3–5 from this objective — we provide 35 practice questions to prepare you well beyond it. (estimate)

35questions here

7free pages

12concepts

20%of the exam

Questions 1–5

1foundation · easy
What is the primary function of a Path Computation Element (PCE) in segment routing?
Select an answer first
2foundation · easy
Why is TI-LFA considered 'topology-independent'?
Select an answer first
3application · medium
A service provider is running a multi-area OSPF network and wants to deploy segment routing with a centralized controller that can compute paths across area boundaries. The controller needs to learn the network topology and the SIDs assigned to each node. Which mechanism should the controller use to gather this information?
Select an answer first
4foundation · easy
Which segment type in segment routing is typically associated with a router's loopback address and identifies a specific node in the network?
Select an answer first
5foundation · easy
What is the role of IS-IS TE in a segment routing network?
Select an answer first

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