Nokia Nokia Certifications 4A0-101 Questions & Answers

• Question 211:

  What is the source IP address in an OSPF update?

  A. 224.0.0.5

  B. 224.0.0.6

  C. The unicast IP address of the interface the update is being sent on.

  D. The system address of the router

  Correct Answer: C

• Question 212:

  NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

  A. They are type 7 within the area and are not modified at the ABR

  B. They are type 5 within the area and converted to type 3 at the ABR

  C. They are type 5 within the area and are not modified at the ABR

  D. They are type 7 within the area and converted to type 5 at the ABR

  Correct Answer: D

• Question 213:

  An OSPF ASBR must have at least one interface in the backbone area (area 0)

  A. True

  B. False

  Correct Answer: B

• Question 214:

  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 there are more than two routers connected to the network segment.

  B. In multi-access networks, a DR and BDR are elected only if the subnet masks on the router interfaces are less than /30

  C. 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.

  D. In multi-access networks, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

  Correct Answer: D

• Question 215:

  If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

  A. Not So Stubby Area

  B. Stub Area

  C. Backbone Area

  D. Standard Area

  Correct Answer: ACD

• Question 216:

  Exhibit Given the two configurations shown, identify the two incorrect statements below: (Choose two)

  

  A. Both routers will generate OSPF Hello packets.

  B. The system interface is missing in one configuration so OSPF will not operate correctly.

  C. The interface type settings differ, but OSPF will still operate correctly.

  D. Metric values differ, but this does not prevent OSPF operation.

  Correct Answer: BC

• Question 217:

  What are the types of networks supported on an Alcatel-Lucent 7750 SR for OSPF? (Choose 2)

  A. Broadcast

  B. Non-Broadcast Multi-Access

  C. Point-to-Point

  D. Point-to-Multipoint

  Correct Answer: AC

• Question 218:

  What are the ways the RID can be created on an Alcatel-Lucent 7750 SR router? (Choose three)

  A. From the last 32 bits of the chassis MAC address

  B. From the first 32 bits of the chassis MAC address

  C. The loopback IP address

  D. By using the command "config router ospf rid X.X.X.X"

  E. From the system IP address

  F. From the highest interface IP address

  Correct Answer: ADE

• Question 219:

  What is the default priority value used for electing the DR on an Alcatel-Lucent 7750 SR running OSPF on an Ethernet?

  A. Priority of 0

  B. Priority of 1

  C. Priority of 64

  D. Priority of 255

  Correct Answer: B

• Question 220:

  Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

  A. The router with the lowest priority is the DR.

  B. The router with the highest priority is the DR.

  C. If priorities are the same, the DR is chosen based on the lowest RID.

  D. If priorities are the same, the DR is chosen based on the highest RID.

  Correct Answer: BD