Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 71:

  On Nokia 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

  A. ISIS, RIP, OSPF, static routes

  B. BGP, ISIS, RIP, OSPF, static routes

  C. BGP, RIP, OSPF, static routes, OSPF3

  D. ISIS, RIP, OSPF, static routes, OSPF3

  Correct Answer: C

• Question 72:

  A default route for a client is also known as the:

  A. Default path

  B. Default gateway

  C. Gateway path

  D. Proxy ARP

  Correct Answer: B

• Question 73:

  Click the exhibit.

  

  The output is from PE router R4 about VPRN service 100. How many prefixes have been learned from the MP-BGP protocol?

  A. 0

  B. 2

  C. 3

  D. 6

  Correct Answer: C

• Question 74:

  An operator configures an Nokia 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

  A. Router LSA

  B. AS External LSA

  C. Intra-Area Prefix LSA

  D. Inter-Area Prefix LSA

  E. Network LSA

  F. None of the statements are correct.

  Correct Answer: B

• Question 75:

  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 76:

  What is the default Nokia 7750 SR TTL of a BGP advertisement between confederation members?

  A. 1

  B. 32

  C. 64

  D. 255

  Correct Answer: A

• Question 77:

  Which of the following correctly lists the 5 OSPF packet types?

  A. Hello, link state update, link state packet, link State acknowledgement, database description.

  B. Link state update, link state refresh, link state acknowledgement, database description, notification.

  C. Hello, link state refresh, link state update, link state acknowledgement, link state authentication.

  D. Hello, link state update, link state request, link state acknowledgement, database description.

  Correct Answer: D

• Question 78:

  Which of the following about route distinguishes on the Nokia 7750 SR is TRUE?

  A. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

  B. CE routers use a route distinguisher to indicate which VPRN they are associated to.

  C. A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

  D. Route distinguishes are used to determine which routes a VPRN should import.

  Correct Answer: C

• Question 79:

  What address is used when RIPv2 uses multicast to send its updates?

  A. 224.0.0.5

  B. 224.0.0.6

  C. 224.0.0.9

  D. 224.0.0.10

  E. RIPv2 does not have support for multicast

  Correct Answer: C

• Question 80:

  An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?

  A. The link state information is not populated in the database but is forwarded to all neighbors

  B. The link state information already in the database is overwritten and the age is reset

  C. The link state information is not populated in the database and an acknowledgement is sent

  D. The link state information is regarded as old and nothing is done.

  Correct Answer: C