4A0-116

Review 40 4A0-116 practice questions with answer explanations and community insights.

Question 1

Which of the following statements about Multi-Protocol Label Switching networks is FALSE?

  1. MPLS uses a signaling protocol to exchange labels between routers.
  2. An LSR forwards data based on the MPLS labels.
  3. An LSP is a bi-directional tunnel that uses MPLS labels to forward data.
  4. The data is transparently carried from end to end.

Question 2

Which of the following statements about a Segment Routing SID is FALSE?

  1. A Node-SID is usually associated with a router's system interface.
  2. Adjacency-SID values are taken from the SRGB configured for the routing protocol.
  3. A Prefix-SID can be configured directly as a label value or indirectly as an index.
  4. An Adjacency-SID does not have to be configured.

Question 3

Which of the following statements about Segment Routing is FALSE?

  1. No path signaling is required to establish an SR tunnel.
  2. Intermediate routers do not maintain any tunnel information.
  3. A link-state IGP is required to distribute SID information.
  4. For TE-constrained tunnels, each data packet typically carries a single MPLS label to specify the tunnel path.

Question 4

Which of the following statements about a Segment Routing SID is FALSE?

  1. A local Node-SID can be configured directly as an MPLS label.
  2. A router advertises its local Node-SID as a local SRGB and an index only if it is configured as an index.
  3. All routers do NOT need to have the same SRGB range configured.
  4. A local Node-SID can be configured as an index.

Question 5

When OSPF is used to support Segment Routing, the first byte of the link-state ID associated with each of the opaque LSAs indicates the type of information being advertised. Which of the following associations between the first-byte value and its meaning is FALSE?

  1. Value 1 - Traffic Engineering
  2. Value 4 - Router Info
  3. Value 7 - SRGB Range
  4. Value 8 - Extended Link Info
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