[Nov 24, 2021] 4A0-C04 Exam Brain Dumps - Study Notes and Theory
Pass Nokia 4A0-C04 Test Practice Test Questions Exam Dumps
NEW QUESTION 59
An Nokia 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?
- A. Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.
- B. Both neighbors R1and R2 should be part of AS 65560.
- C. Both neighbors R1and R2 should be part of AS 65540.
- D. Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.
Answer: D
NEW QUESTION 60
Which of the following statements regarding BGP shortcuts is FALSE?
- A. MPLS tunnels are used to carry transit traffic across the network.
- B. A full mesh of iBGP peering sessions is not required,
- C. The transit routers need to support LDP or RSVP-TE LSPs.
- D. Edge and transit routers need to be configured with BGP.
Answer: D
NEW QUESTION 61
Which of the following about Type 10 opaque LSAs is TRUE?
- A. Type 10 opaque LSAs are used for traffic engineering support.
- B. Type 10 opaque LSAs are stored in an LSDB.
- C. Type 10 opaque LSAs are supported by IS-IS.
- D. Type 10 opaque LSAs are flooded to all areas of the routing domain.
Answer: A
NEW QUESTION 62
Click the exhibit button.
Which of the following would correctly configure routers R2, R3, and R4?
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A
NEW QUESTION 63
What causes an adjacency to change from down to two ways?
- A. When a link state acknowledgement is received in response to a link state update.
- B. When a link state update is received in response to a link state request.
- C. When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.
- D. When a router receives a database description packet from a neighbor.
Answer: C
NEW QUESTION 64
Click the exhibit.
The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Nokia 7750 SR, which of the following is required as part of the configuration?
- A. PE2 needs a mirror source with the remote source specified.
- B. Both PE1 and PE2 need a mirror source.
- C. PE1 needs a mirror source with the remote source specified.
- D. Both PE1 and PE2 need a mirror destination.
- E. PE2 needs a mirror destination that specifies a SAP.
Answer: D
NEW QUESTION 65
By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Nokia 7750 SR?
- A. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
- B. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
- C. The FCS is verified and removed from the frame. The VLAN tag is kept and transported over the network.
- D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.
Answer: C
NEW QUESTION 66
Click on the exhibit.
LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?
- A. Send a PathTear message towards router R1.
- B. Send a PathTear message towards router R6.
- C. Send a ResvTear message toward router R1.
- D. Send a ResvTear message toward router R6.
Answer: C
NEW QUESTION 67
Which of the following about the components of a distributed service on the Nokia 7750 SR is TRUE?
- A. A service is created on each site before the customer is created.
- B. SAPs must be created before a service is created.
- C. A SAP can only be used by one service on a router.
- D. A dedicated SDP needs to be created for each service.
Answer: C
NEW QUESTION 68
Which LSA type is used for OSPF-TE?
- A. Type 11 LSA -AS Opaque LSA
- B. Type 9 LSA - Link local Opaque LSA
- C. Type 10 LSA - Area local Opaque LSA
- D. Type 8 LSA - Link Local LSA
Answer: C
NEW QUESTION 69
From the list below select the statements that describe the behavior of link state information aging. (Choose 2)
- A. The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.
- B. The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS
- C. The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.
- D. The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS
Answer: B,C
NEW QUESTION 70
Which of the following best describes downstream on demand label distribution?
- A. An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.
- B. An LSR distributes a label mapping for a FEC when it has been requested to do so.
- C. An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.
- D. An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.
Answer: B
NEW QUESTION 71
A VPLS receives a frame with the single VLAN tag 35 on the Q-in-Q SAP 1/1/1:35.*. Which of the following describes default Nokia 7750 SR behavior?
- A. The VLAN tag is kept, and the frame is transported over the network.
- B. The VLAN tag is removed, and the frame is transported over the network.
- C. The frame is dropped.
- D. The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.
Answer: B
NEW QUESTION 72
Click on the exhibit.
The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?
- A. Router R5 does not have an export policy for these prefixes.
- B. 'asbr' is missing from router R1's configuration.
- C. Router R1 needs to have an export policy added to it.
- D. Router R1 needs to have an import policy added to it.
Answer: A
NEW QUESTION 73
What address is used when RIPv2 uses multicast to send its updates?
- A. 224.0.0.10
- B. 224.0.0.6
- C. 224.0.0.5
- D. 224.0.0.9
- E. RIPv2 does not have support for multicast
Answer: D
NEW QUESTION 74
Which of the following about VPN labels is FALSE?
- A. They are swapped at each P router as a packet crosses the service provider network.
- B. They are also known as the inner label or service label.
- C. They are signaled between PE devices using MP-BGP.
- D. They indicate to the egress PE the VPRN to which a packet belongs.
Answer: A
NEW QUESTION 75
The configuration of an Nokia 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?
- A. Router R1forms iBGP sessions with routers R2 and R3.
- B. Router R1forms an iBGP session with router R2, and an eBGP session with router R3.
- C. Router R1forms eBGP sessions with routers R2 and R3.
- D. The types of BGP sessions with routers R2 and R3 cannot be determined.
Answer: D
NEW QUESTION 76
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