4A0-C01 Exam Questions

Which of the following is a primary cause of IP hyper-aggregation?

Click on the exhibit button below. Given the following fast reroute protected LSPs: -LSP1.R1-R4-R5-R3 -LSP2.R1-R4-R5-R2 Which routers become bypass tunnel PLRs? Choose two answers

Which of the following is a type of authentication that is supported by OSPF on the Alcatel- Lucent 7750 SR?

Click on the exhibit. OSPF is operational on all links in the network diagram, all links are the same cost, and all routers are configured with an ECMP value of 4. Router R4 advert...

Which of the following describes what happens when facility backup fast reroute is enabled for a LSP? Choose three answers.

The solicited node address for the destination node address of 2001:DB8::30A:216 4DFF:FE14:6CAE is:

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...

Click on the exhibit. Before the link failure, all routers have operational OSPF adjacencies between them and there is a BFD session between routers R1 and R3. After the link failu...

Click on the exhibit. Given the output, which of the following is the most accurate statement about the network?

To configure 6over4 tunneling, where must indirect static routes be configured?

Click on the exhibit. If router R2 re-distributes the IS-IS route 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24 Assume that all IS-IS routers are L1...

Static routing is to be used in a network between a corporate head office with many connected networks, and a branch office with one connection to the head office. Which of the fol...

Which approach to LSP path diversity provides the most control, but the least flexibility?

Which of the following is FALSE about the databases used by a link-state routing protocol in a single area routing domain?

On which type of IS-IS router is summarization most likely to be configured?

Which of the following describes the purpose of 6over4 tunneling?

Which of the following configurations allow a router to periodically attempt to move LSP traffic to a better path, if the head end can find one?

Which of the following can be used for label signaling and distribution on the Alcatel-Lucent 7750 SR? Choose two answers

If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements are true? Choose two answers.

Click on the exhibit. What is the correct command to configure a default route on the Alcatel-Lucent 7750SR R2?

Link-state PDUs include an age field. Which of the following is FALSE?

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.

Which OSPFv3 LSA type is similar in function to the OSPFv2 Type 4 LSA?

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

Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

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

Which of the following is NOT a field in the IPv6 header?

Click on the exhibit button below: Consider the following: - Router R2 is an ABR in OSPF Areas 0 and 1. - Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. - Rou...

Click on the exhibit. Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-I...

Which OSPFv3 LSA is similar to the OSPFv2 Type 5 LSA?

What is the common usage of the MPLS EXP bits?

Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node protection. Which of the following statements are FALSE? (Choose two)

Click on the exhibit. Assuming point-to-point links, which of the following is TRUE?

Click on the exhibit button below. Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)

Which of the following TLV fields is included in an IS-IS Hello packet on broadcast interfaces but not on point-to-point interfaces?

Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

Click on the exhibit. Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacenc...

Click the exhibit button. If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference o...

An Alcatel-Lucent 7750 SR is configured with an export policy to redistribute a loopback prefix into OSPFv3. What type of LSA advertises the prefix to the other OSPFv3 routers in t...

Click on the exhibit button below. With fast reroute enabled, and given the following: Two protected LSPs with the path R1-R2-R3 Both LSPs enable facility bypass and link protectio...

Which of the following commands is used to display the database containing the OSPF-TE LSAs?

Click on the exhibit button below. With fast reroute enabled, and given the following: The protected LSP path is R1-R2-R3. All links are of equal cost. Which of the following state...

Which type of OSPF LSA lists the routers attached to a broadcast network?

Which of the following statements are true? Choose two answers.

Which OSPFv3 LSA advertises the location of an ASBR?

Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including...

Which of the following statements regarding RSVP path messages on an Alcatel-Lucent SR is true?

Which of the following message types does RSVP use to set up an LSP? (Choose two)

If an Alcatel-Lucent 7750 LSR receives a labeled packet with a outer label TTL of 250 and an inner label TTL of 251, which of the following statements is true?

Which of the following statements regarding per-platform label space are true? Choose two answers.