[Oct 03, 2021] 4A0-113 Ultimate Study Guide - Actual4Exams
Ultimate Guide to Prepare 4A0-113 Certification Exam for Nokia Network Routing Specialist II (NRS II) in 2021
NEW QUESTION 16
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. 224.0.0.6
- D. 224.0.0.5
Answer: B
NEW QUESTION 17
Click the exhibit button.
Routers R1 , R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?
- A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
- B. The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.
- C. Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.
- D. The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.
Answer: D
NEW QUESTION 18
Which of the following cannot be used as a matching criterion in route policy statements?
- A. Protocol type
- B. TCP source port
- C. Prefix list
- D. Source IP address
Answer: A
NEW QUESTION 19
What is the default preference value for a static route in the Nokia 7750 SR router?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 20
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 IS-IS Level 2 external preference
- C. The IS-IS Level 1 external preference
- D. The IS-IS Level 2 internal preference
- E. The OSPF internal preference
- F. The IS-IS Level 1 internal preference
Answer: A,F
NEW QUESTION 21
Click the exhibit button.
The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?
- A. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
- B. The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
- C. The adjacency state is two way because both routers have received a database description packet.
- D. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.
Answer: B
NEW QUESTION 22
What are some of the characteristics of Nokia's implementation of non-stop routing? (Choose two)
- A. No protocol extensions required
- B. Transparent to routing neighbors
- C. Only supported by OSPF and IS-IS
- D. Uses Graceful Restart to inter-operate with other vendors
Answer: A,B
NEW QUESTION 23
What command could be used to verify proper configuration of a static route in an Nokia 7750 SR router?
- A. Show route-table
- B. Show router route-table
- C. Show static
- D. Show router routing-table
Answer: B
NEW QUESTION 24
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. 10.10.10.1
- B. 10.10.10.2
- C. 10.10.10.66
- D. 10.10.10.99
Answer: B
NEW QUESTION 25
Click the exhibit button.
Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?
- A. The adjacency is down.
- B. The adjacency is in exstart state.
- C. The adjacency is in the exchange state.
- D. Full; both routers are exchanging Helios to maintain the adjacency.
Answer: B
NEW QUESTION 26
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 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.
- B. Router R1 generates a type 7 LSA that is flooded through all OSPF areas.
- C. 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.
- D. Router R1 generates a type 5 LSA that is flooded through all OSPF areas.
Answer: A
NEW QUESTION 27
From the list below select the statements that describe the behavior of link state information aging. (Choose 2)
- A. The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS
- B. The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.
- C. The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.
- D. The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS
Answer: A,B
NEW QUESTION 28
Which of the following statements regarding OSPF routing updates on a point-to-point link is true?
- A. On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.
- B. On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.
- C. On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.
- D. On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.
Answer: B
NEW QUESTION 29
A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.
What action does the router take?
- A. The router sends a link-state update to its neighbor.
- B. The router takes no action.
- C. The router sends a link-state request to its neighbor.
- D. The router updates the information in its LSDB with the information received from its neighbor.
- E. The router sends a link-state acknowledgement to its neighbor.
Answer: A
NEW QUESTION 30
What type of OSPF router generates a type 2 LSA?
- A. Designated Router
- B. Autonomous System Boundary Router
- C. Area Border Router
- D. All routers within an OSPF area.
Answer: A
NEW QUESTION 31
When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?
- A. The metric must be set accordingly for RIP
- B. The subnet mask must be removed from the OSPF route
- C. The router must be configured as an ASBR
- D. You must divide the cost of the OSPF route by three
Answer: A
NEW QUESTION 32
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 adjacencies are operational.
How many OSPF Type 5 LSAs will router R1 receive from router R2?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: C
NEW QUESTION 33
Which of the following commands can be used to display the number of SPF computations that have been performed on a router?
- A. show router ospf status
- B. show router ospf neighbor
- C. show router ospf interface
- D. show router ospf area <area-id>
Answer: D
NEW QUESTION 34
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
- A. Network LSA
- B. Summary Router LSA
- C. Summary Network LSA
- D. Router LSA
Answer: A,D
NEW QUESTION 35
An OSPF adjacency is stuck in the exstart state. What is the most likely cause?
- A. An OSPF Hello has not been received from the neighbor.
- B. The interfaces are configured as point-to-point on one side and broadcast on the other.
- C. The router ID is the same on both routers.
- D. OSPF is not enabled on one of the routers.
- E. The MTU does not match on both interfaces.
Answer: E
NEW QUESTION 36
What is the protocol number for OSPF in the IP header?
- A. OSPF uses UDP, so the protocol number is 17.
- B. OSPF has its own protocol number of 89.
- C. OSPF does not use IP.
- D. OSPF uses TCP, so the protocol number is 6.
Answer: B
NEW QUESTION 37
Choose the Distance Vector Protocols from the list below:
- A. RIPv2
- B. RIPv1
- C. OSPF
- D. IS-IS
Answer: A,B
NEW QUESTION 38
What is the default priority value used for electing the DR on an Nokia 7750 SR running OSPF on an Ethernet?
- A. Priority of 1
- B. Priority of 255
- C. Priority of 64
- D. Priority of 0
Answer: A
NEW QUESTION 39
Which of the following correctly lists the 5 OSPF packet types?
- A. Link state update, link state refresh, link state acknowledgement, database description, notification.
- B. Hello, link state refresh, link state update, link state acknowledgement, link state authentication.
- C. Hello, link state update, link state packet, link State acknowledgement, database description.
- D. Hello, link state update, link state request, link state acknowledgement, database description.
Answer: D
NEW QUESTION 40
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?
- A. Manual route summarization can only be done on autonomous system border routers.
- B. Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.
- C. Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.
- D. Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.
Answer: C
NEW QUESTION 41
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Nokia Network Routing Specialist II (NRS II) Fundamentals-4A0-113 Exam-Practice-Dumps: https://www.actual4exams.com/4A0-113-valid-dump.html