NOKIA BRAINDUMPS 4A0-112 PDF: NOKIA IS-IS ROUTING PROTOCOL - PREMIUMVCEDUMP PROVIDES YOU A SIMPLE & SAFE SHOPPING EXPERIENCE

Nokia Braindumps 4A0-112 Pdf: Nokia IS-IS Routing Protocol - PremiumVCEDump Provides you a Simple & Safe Shopping Experience

Nokia Braindumps 4A0-112 Pdf: Nokia IS-IS Routing Protocol - PremiumVCEDump Provides you a Simple & Safe Shopping Experience

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Nokia 4A0-112 Exam is a computer-based test that consists of multiple-choice questions. You will have a set amount of time to complete the exam, so it is important to manage your time effectively and pace yourself throughout the test. You will receive your results immediately after completing the exam, and if you pass, you will earn the Nokia IS-IS Routing Protocol certification.

Nokia 4A0-112 certification exam is a valuable certification for network professionals who want to advance their careers in the networking industry. Nokia IS-IS Routing Protocol certification demonstrates that the candidate has a deep understanding of the IS-IS protocol and its applications, which is a critical skill in service provider environments. Holding this certification can lead to new job opportunities and higher salaries.

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Nokia 4A0-112 certification exam is designed to test your knowledge and skills in implementing and managing the Nokia IS-IS Routing Protocol. This protocol is widely used in large-scale networks to provide fast and reliable routing. 4A0-112 Exam is intended for network professionals who have experience working with Nokia routers and switches and want to validate their expertise in IS-IS routing.

Nokia IS-IS Routing Protocol Sample Questions (Q36-Q41):

NEW QUESTION # 36
Refer to the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2.
What might be causing the ping to fail?

  • A. The configured static route needs to be a default route.
  • B. The configured next hop does not belong to a subnet adjacent to R1.
  • C. Router R2 needs a static route to the PC.
  • D. Router R1 needs a static route to router R2.

Answer: B

Explanation:
In the configuration on router R1, the static route is defined with the next-hop IP address of 139.120.121.1.
However, the next-hop IP address 139.120.121.1 does not belong to the same subnet as the directly connected interface on R1, which is 172.31.1.1/30. For the static route to work properly, the next-hop IP address must be reachable via a directly connected interface, meaning it must be within the same subnet.
Therefore, this mismatch in subnet adjacency is likely causing the failure to reach the destination (139.120.121.2).


NEW QUESTION # 37
Refer to the exhibit.

Which of the following statements best describes the IS-IS domain to which the command output corresponds?

  • A. Single-area IS-IS domain with no broadcast interfaces.
  • B. Multi-area IS-IS domain with no broadcast interfaces.
  • C. Multi-area IS-IS domain with broadcast interfaces.
  • D. Single-area IS-IS domain with broadcast interfaces.

Answer: C

Explanation:
The output shows two levels of IS-IS databases: Level 1 (L1) and Level 2 (L2). This indicates that the domain is multi-area, as L1 routers are confined to a single area, while L2 routers can route between different areas. The presence of Level 1/Level 2 (L1/L2) routers also suggests that the domain spans multiple areas.
The LSP (Link-State PDU) entries show L1/L2 ATT attributes, which typically indicate that these routers are capable of routing both within their own area (Level 1) and across areas (Level 2), suggesting a multi-area design.
The IS-IS domain likely includes broadcast interfaces, as indicated by the "ATT" attribute (typically referring to the type of interface) and common IS-IS configuration practices on broadcast networks like Ethernet.


NEW QUESTION # 38
Which of the following statements regarding the databases used by a link-state routing protocol in a single-are routing domain is FALSE?

  • A. The link-state database has the local topology and IP reachability information advertised by all the routers.
  • B. The adjacency database contains information about all the links interconnecting the domain's routers.
  • C. The forwarding database contains the optimum next hop for each known prefix.
  • D. The link-state database is the same for all routers.

Answer: B

Explanation:
The adjacency database contains information about the state of the router's adjacencies (i.e., the routers that it is directly connected to and has established a neighbor relationship with). It does not store information about all links in the domain; that information is stored in the link-state database.


NEW QUESTION # 39
Refer to the exhibit.

Routers R1 through R4 in the diagram have established IS-IS adjacencies. Router R1 is L1/L2 and is the DIS of its two broadcast interfaces. How many LSPs will it generate?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B

Explanation:
Router R1 is configured as L1/L2, meaning it is part of both Level 1 and Level 2 IS-IS routing areas. This means R1 will generate two types of LSPs:
Level 1 LSP (for the local area 49.0001) to advertise its local topology to other Level 1 routers.
Level 2 LSP (for the backbone area 49.0002) to advertise the global network topology to Level 2 routers.
R1 also has two broadcast interfaces, and as the Designated Intermediate System (DIS) on these interfaces, it will generate an LSP for each interface (one per broadcast link).
This results in three total LSPs:
A Level 1 LSP for the local area (49.0001).
A Level 2 LSP for the backbone area (49.0002).
An LSP for each of the two broadcast interfaces, which may include interface-related topology information.


NEW QUESTION # 40
On a broadcast interface, an IS-IS router receives an LSP that is newer than the one on its database. Which of the following statements best describes the actions taken by the router as a consequence?

  • A. The router sends back a copy of the LSP from its database to its neighbor.
  • B. The router updates its database with the LSP and floods a copy to its neighbors on other interfaces.
  • C. The router updated its database with the LSP, acknowledges the LSP with a PSNP, and floods a copy to its neighbors on other interfaces.
  • D. The router updates its database with the LSP and acknowledges it with a PSNP.

Answer: C

Explanation:
When an IS-IS router receives a newer LSP (Link-State PDU) than the one already in its database, it takes the following actions:
Updates its link-state database with the new LSP.
Acknowledges the LSP with a PSNP (Partial Sequence Number PDU), which is sent to the router that originated the LSP, confirming the receipt of the newer LSP.
Floods a copy of the updated LSP to its neighbors on other interfaces to ensure all routers in the network have the updated topology information.


NEW QUESTION # 41
......

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