4A0-C01 Exam Questions

A targeted-LDP session may exist between directly connected or non-directly connected devices

Click on the exhibit. What type of OSPFv3 LSA is shown?

Which of the following best describes the actions taken by an IS-IS router after it receives an LSP on a broadcast interface that is newer than the one in its database?

Which of the following regarding the IS-IS CSNP is FALSE?

Which part of the NSAP address is used to indicate to the end system that a packet is to be processed by the router itself?

Two IS-IS L1/L2 routers are in the same area on the same Ethernet segment. One of the routers is the DIS. How many adjacencies will be formed between them?

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

Which of the following is a valid IPv6 address equivalent to 2001:0da8:0000:0000:0024:0000:4ab9:0300?

Which of the following regarding IS-IS DIS is FALSE?

Click on the exhibit button below. Given the configuration below, what is the system ID of the destination node?

An IS-IS router receives a CSNP that references an older LSP than the one in its database. What action is taken?

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

Click on the exhibit. The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is o...

Which function or component of the Alcatel-Lucent 7750 SR is in charge of supporting dynamic routing protocols and constructing the routing table?

Which field of an IPv6 header indicates an upper layer protocol carried in the packet?

Click on the exhibit. After IPv6 has been configured, which of the following is TRUE?

Click on the exhibit. A static route has been configured on router R1 to reach the PC at 139.120.121.2. What might be causing the ping to fail?

Click on the exhibit. Given the contents of the Router LSA, which of the following best describes the local topology of the router?

Click on the exhibit. OSPF router R2 has both point-to-point and broadcast interfaces and it is not a DR for any interfaces. Router R2 detects the link failure between itself and r...

Click on the exhibit. In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LS...

Which LSA type is not found in point-to-point only OSPF networks?

Which of the following statements are true? Choose two answers

Which command can be used to verify the LDP settings for label distribution and retention?

Click on the exhibit. All ports in the network are operationally up and have a speed of 1Gbps. Which of the following is TRUE?

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 route types must be manually configured and will not re-route traffic when a link failure occurs in its path?

What is the function of the MPLS label assigned to a packet?

Click on the exhibit button below. Given the output below, which of the following statements are true? (Choose three)

Which of the following devices can originate an opaque LSA?

Click on the exhibit. What does the field "2001:DB8:111::/64" represent?

How does an IS-IS router acknowledge the receipt of an IS-IS LSP on a point-to-point link?

Click on the exhibit. OSPF is operational on all links in the network diagram, all routers are the same cost, and all routers are configured with an ECMP value of 4. Router R5 adve...

Click on the exhibit button below. Given the configuration shown, how much of a link's 100Mbps reservable bandwidth can an LSP access when configured for class-type 0 and priority...

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

Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following s...

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

Which of the following commands may only be used on the head end router to verify the status of an LSP named "LSP 1"? (Choose two)

Click on the exhibit. A static route has been configured on router R1 to reach the PC at 139.120.121.2. What else is required to make the ping succeed?

Click on the exhibit. Router R4 is being added to the network and it is connected to a non-OSPF domain. Which area type should be used for Area 1 to allow the external routes to be...

Which of the following about 6over4 is FALSE?

Which of the following best describes constraint-based routing?

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 foll...

Click on the exhibit. The OSPF adjacency between routers R1 and R3 does not come up. Which of the following is a possible solution to the problem?

Click on the exhibit. In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following sta...

What is the goal of MPLS Traffic Engineering?

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

When configuring an LSP for fast reroute one-to-one protection, which of the following statements is true?

How many bits of the MPLS header are used for the label field?

In OSPFv3, which of the following LSA types carries prefixes and is only flooded in the area where it is generated?

You wish to advertise LDP labels for all local networks; which is the most effective policy statement to use?