4A0-103 Exam Questions

Which of the following devices assumes the active role during the establishment of an LDP session?

What labels are encapsulated in the tunnels used by a 6PE deployment?

Click on the exhibit. Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection. When router R1 is the PLR, which router becomes...

To enable the LDP-over-RSVP feature, which of the following configurations is NOT required on an Alcatel-Lucent 7750 SR?

Click on the exhibit. The LSP "toR6" is configured with a fully strict path on an Alcatel-Lucent 7750 SR. Which of the following configurations is required to enable fast reroute f...

Which of the following defines an FEC in traditional IP?

Which of the following about Fast Reroute link protection tunnels is FALSE?

Which MPLS mode saves only active label mappings received from peer LSRs?

Which of the following is described by the following statement? An LSR propagates a label mapping only for a FEC for which it has a label mapping for the FEC next-hop.

Which of the following reservation styles can be used to prevent both the primary and secondary paths from booking resources on a common link?

Which of the following are functions of the MPLS control plane in a router? (Choose two)

Which of the following statements regarding RSVP refresh reduction are true1? (Choose two)

Which of the following are features of RSVP-TE? Choose three answers.

Click on the exhibit button below. Under which condition might the peer LDP ID 10.10.10.2:0 entry show state "Nonexistent"?

Two directly connected routers set different interface Hello timeout values. Router R1 uses 15 seconds, while router R2 uses 30 seconds. Which of the following best describes the L...

Click on the exhibit. Router R2 advertises an OSPF summary route 10.10.10.0/24 into Area 1. Router R3 receives labels for individual FECs 10.10.10.2/32 and 10.10.10.4/32. These two...

How does MPLS-TE overcome the issue of IP hyper-aggregation?

Which of the following is described by the following statement? An LSR propagates a label mapping only for an FEC for which it has a label mapping for the FEC next-hop.

Click on the exhibit. This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs now appear in the router's LIB?

Click on the exhibit button below. Given the configuration below, which of the following commands would enable fast reroute on the LSP? Choose two answers

Which of the following about LSP path configuration on an Alcatel-Lucent 7750 SR is TRUE?

Which of the following about the Link LDP discovery process on the Alcatel-Lucent 7750 SR is FALSE?

Which of the following is NOT required when configuring an LSP with an admin group constraint on an Alcatel-Lucent 7750 SR?

Click on the exhibit. The partial command output from an Alcatel-Lucent 7750 SR is shown. Which of the following about this LSP path is TRUE?

Which of the following fields does NOT appear in the MPLS label header?

Click on the exhibit. If the primary path fails, which backup LSP path will the head-end router pick first?

If an Alcatel-Lucent 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?

Click on the exhibit. An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and M...

Initially, all ports on an Alcatel-Lucent 7750 SR have 10Gbps bandwidth. RSVP configuration limits reservable bandwidth to 30 percent on all interfaces. An LSP is signaled reservin...

Which of the following regarding label population is TRUE?

Click on the exhibit. Initially, all links along the path R1-R2-R4-R6 have 400Mbps unreserved bandwidth and all links along the path R1-R3-R5-R6 have 800Mbps unreserved bandwidth....

Which of the following about an LSP protected with facility FRR is TRUE?

Which of the following about Link TLVs found inside Type 10 Opaque LSAs is FALSE?

Click on the exhibit. All links have 1 Gbps unreserved bandwidth initially and all LSPs have the least-fill feature enabled. After the two LSPs have been signaled as shown, two add...

Click on the exhibit. All links are operationally up initially. When the link between routers R4 and R6 goes down, what will router R1 do?

Which of the following LDP settings can be changed with CLI?

Click on the exhibit. The link between routers R4 and R6 are configured with an admin group "red". What happens when the LSP is first signaled?

Which of the following about the use of RRO in fast reroute is FALSE?

Which of the following about RSVP-TE LSP configuration in a Alcatel-Lucent 7750 SR is TRUE?

Click on the exhibit. Which of the following about the bypass tunnel is FALSE?

Which of the following LDP message categories is UDP-based?

Click on the exhibit button below. Consider the output shown; why is the label in bold font not in use?

Which of the following are characteristics of ECMP LSPs in LDP? Choose three answers

LDP is enabled on both ends of a point-to-point link, but the "show router Idp status" command indicates that LDP is operationally down. The Oper Down Reason field shows the messag...

Fill in the blanks: The device at the beginning of an LSP is referred to as the_________, and the device at the end of an LSP is referred to as the___________.

Which of the following devices can originate an opaque LSA?

Click on the exhibit. Given the output below, which of the following is FALSE?

Click on the exhibit button below. Consider the output shown; what table is displayed?

Which of the following technologies are supported by MPLS Layer 2 VPNs on the 7x50 SR/ESS? Choose all that apply.

Which of the following is not an MPLS-based VPN applications?.