4A0-C04 Dumps PDF 2022 Strategy Your Preparation Efficiently
Latest Verified & Correct Nokia 4A0-C04 Questions
NEW QUESTION 13
There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route
10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Nokia 7750 SR?
- A. traceroute 10.2.3.1
- B. traceroute 10.1.2.1
- C. traceroute next-hop 10.1.2.1
- D. traceroute does not work on the Nokia 7750 SR.
- E. traceroute 10.2.3.1 next-hop 10.1.2.1
Answer: A
NEW QUESTION 14
Which of the following about label modes on the Nokia 7750 SR is FALSE?
- A. LDP advertises label mappings to all peers for which it might be a next-hop for a given FEC.
- B. RSVP uses downstream on demand label distribution mode.
- C. LDP uses conservative label retention mode.
- D. RSVP distributes a label mapping for a FEC when it has been requested to do so.
Answer: C
NEW QUESTION 15
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 removed from the frame. The VLAN tag is kept and transported over the network.
- B. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.
- C. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
- D. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
Answer: A
NEW QUESTION 16
Which of the following comparisons between E-pipes and VPLSes is FALSE?
- A. They both use SAPs as the demarcation point between the customer and the provider.
- B. They both support SAP encapsulations of null, dot1Q and Q-in-Q.
- C. MAC addresses are learned by VPLSes, but not by E-pipes.
- D. They both function as a Layer 2 switch from the service provider's perspective.
Answer: D
NEW QUESTION 17
What type of OSPF router generates a type 2 LSA?
- A. Designated Router
- B. All routers within an OSPF area.
- C. Autonomous System Boundary Router
- D. Area Border Router
Answer: A
NEW QUESTION 18
Which of the following routes is NOT considered an internal route?
- A. A route originated by a router in a different cluster of the same AS.
- B. A route received from a BGP peer from the same member AS of a confederation.
- C. A route received from a BGP peer from a different member AS of a confederation.
- D. A route received from a BGP peer within the same AS.
Answer: C
NEW QUESTION 19
Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)
- A. If priorities are the same, the DR is chosen based on the lowest RID.
- B. The router with the highest priority is the DR.
- C. The router with the lowest priority is the DR.
- D. If priorities are the same, the DR is chosen based on the highest RID.
Answer: B,D
NEW QUESTION 20
What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?
- A. The original VLAN tag is removed.
- B. The VLAN tag is kept and a provider tag is added.
- C. The original VLAN tag is kept.
- D. The VLAN tag is replaced by a provider tag.
Answer: C
NEW QUESTION 21
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
- A. Summary Network LSA
- B. Summary Router LSA
- C. Router LSA
- D. Network LSA
Answer: C,D
NEW QUESTION 22
Click on the exhibit.
This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?
- A. All FECs that are in the 192.168.1.0/24 address space.
- B. Local FECs that are in the 192.168.1.0/24 address space.
- C. All FECs that are not in the 192.168.1.0/24 address space.
- D. All FECs except the local FECs that are in the 192.168.1.0/24 address space.
Answer: B
NEW QUESTION 23
What are the three databases maintained by a Link State Protocol?
- A. Neighbor, adjacency, route table
- B. Topology, routing, forwarding
- C. There are only two databases: adjacency and topology
- D. Neighbor, topology, forwarding
Answer: D
NEW QUESTION 24
From what range are 16-bit private AS numbers selected?
- A. 64512-65534
- B. 64496 - 64511
- C. There are no defined private AS numbers; there are only private IP addresses.
- D. 1 - 56319
- E. 64513-65535
Answer: A
NEW QUESTION 25
What will happen if an update is received with an unrecognized optional non-transitive attribute?
- A. The router will accept the update and ignore the attribute.
- B. The router will not accept the update and send a notification.
- C. The router will accept the update and send a notification.
- D. The router will accept the update and propagate the attribute.
Answer: A
NEW QUESTION 26
A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200
65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address
138.1.1.1?
- A. The second BGP route.
- B. It is impossible to determine without the value of the origin code for both routes.
- C. The first BGP route.
- D. Both routes are used.
Answer: C
NEW QUESTION 27
When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?
- A. The Router ID is the same on both routers
- B. OSPF is not enabled on one of the routers
- C. The MTU does not match on both interfaces
- D. A OSPF Hello has not been received from the neighbor
Answer: C
NEW QUESTION 28
Click on the exhibit.
If the primary path fails, which backup LSP path will the head-end router pick first?
- A. The Standby with the lowest next-hop IP.
- B. The Standby with the highest next-hop IP.
- C. The Standby with the longest uptime.
- D. The first Standby in the list.
Answer: C
NEW QUESTION 29
What class of attribute is Originator_ID?
- A. Optional transitive.
- B. Optional non-transitive.
- C. Well-known discretionary.
- D. Well-known mandatory.
Answer: B
NEW QUESTION 30
What is the source IP address in an OSPF update?
- A. The unicast IP address of the interface the update is sent on
- B. 224.0.0.5
- C. The system address of the router.
- D. 224.0.0.6
Answer: A
NEW QUESTION 31
A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 32
Click on the exhibit.
The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?
- A. Router R1 is the LSP head-end and can be a PLR.
- B. If the R1-R2 link fails, router R4 becomes an MP.
- C. All routers along the path, R1, R2, and R3 can be PLRs.
- D. If the R2-R3 link fails, router R3 becomes a PLR.
Answer: A
NEW QUESTION 33
When are virtual links used in OSPF?
- A. When an area needs to traverse another area to reach area 0.
- B. When two areas need to communicate and there is no area 0.
- C. When an area needs to connect directly to another area without using area 0.
- D. When two areas are connected to area 0, but there is no direct path between them.
Answer: A
NEW QUESTION 34
Which of the following about VPRN route targets is FALSE?
- A. Route targets must be configured for VPRNs.
- B. A route target is used to distinguish to which VRF table a prefix belongs.
- C. A route target appended to an IPv4 prefix produces a VPN-IPv4 prefix.
- D. Multiple route targets can be part of a single MP-BGP update.
Answer: C
NEW QUESTION 35
What command will show the OSPF neighbors, and their status on the Nokia 7750 SR?
- A. Show router ospf adjacency
- B. Show ospf adjacency
- C. Show ospf neighbors
- D. Show router ospf neighbors
Answer: D
NEW QUESTION 36
What are the default Hello and Dead timer intervals for OSPF on the Nokia 7750 SR?
- A. 5 and 20 seconds
- B. 10 and 40 seconds
- C. 10 and 30 seconds
- D. 5 and 15 seconds
Answer: B
NEW QUESTION 37
Which of the following statements best describes the function of an OSPF Type 4 LSA?
- A. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.
- B. A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.
- C. A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.
- D. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.
Answer: C
NEW QUESTION 38
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