4A0-113 Dumps PDF - 4A0-113 Real Exam Questions Answers
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NEW QUESTION 41
Click the exhibit button.
192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?
- A. Make a default route on router R2
- B. Make a static route on router R1 to 192.168.3.1
- C. Add the "summaries" option to the NSSA area configuration on router R1
- D. Add the "originate-default-route" option in the NSSA area configuration on router R3
Answer: C
NEW QUESTION 42
What are the ways the RID can be created on an Nokia 7750 SR router? (Choose three)
- A. From the last 32 bits of the chassis MAC address
- B. From the highest interface IP address
- C. By using the command "config router ospf rid X.X.X.X"
- D. The loopback IP address
- E. From the system IP address
- F. From the first 32 bits of the chassis MAC address
Answer: A,C,E
NEW QUESTION 43
What are the three databases maintained by a Link State Protocol?
- A. Topology, routing, forwarding
- B. Neighbor, adjacency, route table
- C. There are only two databases: adjacency and topology
- D. Neighbor, topology, forwarding
Answer: D
NEW QUESTION 44
When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?
- A. You must divide the cost of the OSPF route by three
- B. The subnet mask must be removed from the OSPF route
- C. The router must be configured as an ASBR
- D. The metric must be set accordingly for RIP
Answer: D
NEW QUESTION 45
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
- A. Router LSA
- B. Network LSA
- C. Summary Router LSA
- D. Summary Network LSA
Answer: A,B
NEW QUESTION 46
When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?
- A. OSPF is not enabled on one of the routers
- B. The Router ID is the same on both routers
- C. A OSPF Hello has not been received from the neighbor
- D. The MTU does not match on both interfaces
Answer: D
NEW QUESTION 47
Which of the following statements regarding OSPF routing updates on a multi-access network segment is true?
- A. In multi-access networks, a DR and BDR are elected only if the subnet masks on the router interfaces are less than /30
- B. In multi-access networks, a DR and BDR are elected only if there are more than two routers connected to the network segment.
- C. In multi-access networks, a DR and BDR are elected. The DR sends link-state advertisements describing the network.
- D. In multi-access networks, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.
Answer: C
NEW QUESTION 48
Click the exhibit button.
The following command sequence is executed on router R2:
A: R2# configure router ospf router-id 10.10.10.99
A: R2# configure router router-id 10.10.10.66
On router R1, what router ID appears for router R2 directly after these commands are executed?
- A. 10.10.10.2
- B. 10.10.10.66
- C. 10.10.10.99
- D. 10.10.10.1
Answer: A
NEW QUESTION 49
What type of OSPF router generates a type 2 LSA?
- A. Area Border Router
- B. All routers within an OSPF area.
- C. Autonomous System Boundary Router
- D. Designated Router
Answer: D
NEW QUESTION 50
Click the exhibit button.
What is the command to configure a static route on the Nokia 7750 SR router R1 to reach the network behind router R2?
- A. configure router static-route 139.120.121.0/24 next-hop 138.120.199.2
- B. configure router static-route 138.120.199.2/24 next-hop 138.120.199.1
- C. configure router static-route 139.120.121.0/24 next-hop 139.120.121.2
- D. configure router static-route 139.120.121.0/24 next-hop 138.120.199.1
Answer: A
NEW QUESTION 51
Click the exhibit button.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?
- A. Router R1 generates a type 5 LSA that is flooded through all OSPF areas.
- B. Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.
- C. Router R1 generates a type 7 LSA that is flooded through all OSPF areas.
- D. Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.
Answer: B
NEW QUESTION 52
An OSPF adjacency is stuck in the exstart state. What is the most likely cause?
- A. The interfaces are configured as point-to-point on one side and broadcast on the other.
- B. The router ID is the same on both routers.
- C. The MTU does not match on both interfaces.
- D. OSPF is not enabled on one of the routers.
- E. An OSPF Hello has not been received from the neighbor.
Answer: C
NEW QUESTION 53
What is the protocol number for OSPF in the IP header?
- A. OSPF uses TCP, so the protocol number is 6.
- B. OSPF uses UDP, so the protocol number is 17.
- C. OSPF does not use IP.
- D. OSPF has its own protocol number of 89.
Answer: D
NEW QUESTION 54
In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)
- A. Stub flag
- B. Hello and Dead Intervals
- C. DR and BDR addresses
- D. The list of neighbors
- E. Area ID
Answer: A,B,E
NEW QUESTION 55
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 R1 needs to have an import policy added to it.
- B. 'asbr' is missing from router R1's configuration.
- C. Router R5 does not have an export policy for these prefixes.
- D. Router R1 needs to have an export policy added to it.
Answer: C
NEW QUESTION 56
Static routing will 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 following best describes the likely configuration?
- A. The corporate head office router will have a more specific static route and the branch office router will have a default route.
- B. The corporate head office router will have a default route and the branch site will have a more specific static route.
- C. The corporate head office router and the branch router will both have default routes.
- D. The corporate head office router and the branch office router will both have specific static routes.
Answer: A
NEW QUESTION 57
Which of the following is NOT a characteristic of RIPv1?:
- A. Poison Reverse
- B. Classless routing
- C. Broadcast advertisement
- D. 30 second network updates
Answer: B
NEW QUESTION 58
An interface is configured on a router for OSPF but the command "show router ospf neighbor" does not show any neighbors. Which of the following is NOT a possible cause?
- A. The interface is included in a different area than the neighbor router.
- B. The router has not received a valid OSPF Hello packet from its neighbor.
- C. An OSPF database description packet has not been received from the neighbor.
- D. The interface facing the neighbor is down.
Answer: C
NEW QUESTION 59
What modes of authentication are supported for RIPv2 on the Nokia 7750 SR?
- A. RIPv2 supports basic and MD5 authentication only.
- B. RIPv2 does not support authentication, password and MD5 authentication.
- C. RIPv2 does not support authentication.
- D. RIPv2 supports password and MD5 authentication only.
Answer: B
NEW QUESTION 60
In an IP datagram, which of the following fields identifies the receiving application?
- A. The protocol field of the transport layer header.
- B. The port field of the transport layer header.
- C. The protocol field of the network layer header.
- D. The port field of the network layer address.
Answer: B
NEW QUESTION 61
NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?
- A. They are type 5 within the area and are not modified at the ABR
- B. They are type 7 within the area and converted to type 5 at the ABR
- C. They are type 7 within the area and are not modified at the ABR
- D. They are type 5 within the area and converted to type 3 at the ABR
Answer: B
NEW QUESTION 62
What is the source IP address in an OSPF update?
- A. The system address of the router.
- B. The unicast IP address of the interface the update is sent on
- C. 224.0.0.5
- D. 224.0.0.6
Answer: B
NEW QUESTION 63
Click the exhibit button.
If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.
- A. The OSPF external preference
- B. The OSPF internal preference
- C. The IS-IS Level 2 internal preference
- D. The IS-IS Level 2 external preference
- E. The IS-IS Level 1 internal preference
- F. The IS-IS Level 1 external preference
Answer: A,E
NEW QUESTION 64
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