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Guide for 4A0-C04: Nokia NRS II Composite Exam: OSPF version

Quiz 4A0-C04: Nokia NRS II Composite Exam: OSPF version

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/ 10

Quiz

1/10
Click on the exhibit.



Certification Exam 4A0-C04: Nokia NRS II Composite Exam: OSPF version Nokia Nokia-4A0-C04 2-1811281788



An LSP traverses the path R1-R2-R3. With one-to-one fast reroute enabled, which router becomes a
DMP for the detour tunnels?
Select the answer
1 correct answer
A.
Router R1
B.
Router R2
C.
Router R3
D.
Router R4
E.
Router R5

Quiz

2/10
Which of the following is NOT a characteristic of MPLS?
Select the answer
1 correct answer
A.
It provides the ability to establish connection oriented paths over a connectionless IP network.
B.
It provides a mechanism to engineer network traffic patterns independently of IP routing tables.
C.
It will work over most physical layer protocols.
D.
It can use GRE tunnels to transport data from many different protocols over an IP network.

Quiz

3/10
Which of the following regarding per-platform label space is TRUE?
Select the answer
1 correct answer
A.
A separate label is used for each interface on which the FEC is advertised.
B.
A single label is assigned to a FEC for all interfaces on the same router,
C.
It is typically used when the device has ATM or Frame Relay interfaces.
D.
It uses more label resources than a per-interface label space.

Quiz

4/10
Which of the following is TRUE when the explicit null is implemented?
Select the answer
1 correct answer
A.
The penultimate router will forward packets to the eLER, based on the IP header.
B.
The eLER will receive packets with a top label value of 0.
C.
The eLER will receive packets with a top label value of 3.
D.
The penultimate router will pop the top label from the packets.

Quiz

5/10
If an Nokia 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field
(EXP bits) is TRUE?
Select the answer
1 correct answer
A.
The TC field is set based on the value of the DSCP field inside the customer packet.
B.
The TC field is set to a specific value via explicit administrative configuration.
C.
The TC field is set to a system generated random number.
D.
The TC field is set by the eLER.

Quiz

6/10
Which MPLS label mode propagates a label mapping only for the FEC for which a router has a label
mapping for the FEC's next-hop?
Select the answer
1 correct answer
A.
Independent control mode
B.
Ordered control mode
C.
Liberal label retention mode
D.
Conservative label retention mode
E.
Downstream on demand label distribution mode

Quiz

7/10
Which of the following best describes downstream on demand label distribution?
Select the answer
1 correct answer
A.
An LSR answers requests for label mappings immediately, without waiting for a label mapping
from the next-hop.
B.
An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.
C.
An LSR distributes a label mapping for a FEC when it has been requested to do so.
D.
An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the
FEC's next-hop.

Quiz

8/10
Which of the following regarding MPLS label value assignment is FALSE?
Select the answer
1 correct answer
A.
Label values may be dynamically assigned by LDP.
B.
Label values may be dynamically assigned by RSVP-TE.
C.
Label values may be reserved for special uses.
D.
Label values may be dynamically assigned by IGP.

Quiz

9/10
Which of the following is a characteristic of LDP Hello messages?
Select the answer
1 correct answer
A.
They are multicast to the All Hosts address.
B.
They are broadcast to the subnet broadcast address.
C.
They are multicast to the All Routers address.
D.
They are broadcast or multicast, depending on the physical media.

Quiz

10/10
What is the purpose of a T-LDP session?
Select the answer
1 correct answer
A.
It allows link LDP to be configured on the edge devices only.
B.
It is used to signal the transport labels in the provider core.
C.
It allows selective control over which devices are configured for LDP.
D.
It is used to signal the service labels in the provider core.
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  • Quiz name:4A0-C04: Nokia NRS II Composite Exam: OSPF version
  • Total number of questions:298
  • Number of questions for the test:50
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