Nokia 4A0-C04 Nokia NRS II Composite Exam: OSPF version Online Training
Nokia 4A0-C04 Online Training
The questions for 4A0-C04 were last updated at Nov 20,2024.
- Exam Code: 4A0-C04
- Exam Name: Nokia NRS II Composite Exam: OSPF version
- Certification Provider: Nokia
- Latest update: Nov 20,2024
Which of the following is a characteristic of LDP Hello messages?
- 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.
Click the exhibit.
This is output from router R4. Service 333 is a VPLS .
Why does peer 10.10.10.1 not have an EgrLbl?
- A . The SDP to 10.10.10.1 on router R4 is shutdown.
- B . Router R4 has not sent a label to router R1 (10.10.10.1) yet.
- C . 10.10.10.1 has a different service MTU set.
- D . 10.10.10.1 has not sent a label to router R4 yet.
Click on the exhibit.
An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down.
With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?
- A . A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.
- B . The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.
- C . A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.
- D . The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.
Which of the following about CSPF is TRUE?
- A . The tail-end router performs the CSPF calculation for an LSP.
- B . CSPF calculations are always performed on RSVP-TE based LSPs.
- C . The head-end router performs the CSPF calculation for an LSP.
- D . Each downstream router performs its own CSPF calculation for an LSP.
Which of the following commands is used to display the database containing the OSPF-TE LSAs?
- A . show router ospf opaque-database
- B . show router ospf database
- C . show router ospf opaque-Isa
- D . show router ospf te opaque
What is the default preference value for a static route in the Nokia 7750 SR router?
- A . 0
- B . 5
- C . 10
- D . 15
Click the exhibit.
Routers RR1 and RR2 are route reflectors with the same Cluster-ID .
How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?
- A . Router RA prefers the update received from router RR1.
- B . Router RA prefers the update received from router RR2.
- C . Router RA flags both updates as invalid.
- D . Router RA accepts both updates and flags them as used.
Which of the following about Type 10 opaque LSAs is TRUE?
- A . Type 10 opaque LSAs are supported by IS-IS.
- B . Type 10 opaque LSAs are flooded to all areas of the routing domain.
- C . Type 10 opaque LSAs are stored in an LSDB.
- D . Type 10 opaque LSAs are used for traffic engineering support.
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.
What causes an adjacency to change from down to two ways?
- A . When a link state update is received in response to a link state request.
- B . When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.
- C . When a router receives a database description packet from a neighbor.
- D . When a link state acknowledgement is received in response to a link state update.
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