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High-quality Latest 4A0-112 Exam Simulator to Obtain Nokia Certification

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Nokia 4A0-112 certification exam is a great way to demonstrate your expertise in IS-IS and enhance your career opportunities in the networking industry. By passing 4A0-112 exam, you can show potential employers that you have the knowledge and skills necessary to design, configure, and troubleshoot IS-IS networks. Whether you are just starting out in your networking career or you are a seasoned professional, the Nokia 4A0-112 Exam can help you take your career to the next level.

Nokia 4A0-112 certification exam consists of 60 multiple-choice questions, and you will have 90 minutes to complete the exam. 4A0-112 exam is available in English and Japanese and can be taken at any Pearson VUE testing center worldwide. 4A0-112 exam fee is $125, and you must achieve a score of at least 80% to pass the exam.

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Nokia IS-IS Routing Protocol Sample Questions (Q40-Q45):

NEW QUESTION # 40
Which of the following is NOT a function of the control plane a router?

A. To determine the best way to forward packets.
B. To exchange signaling messages with other routers.
C. To establish routing paths to deliver packets from source to destination and to reestablish them in case of failure.
D. To utilize the forwarding tables to forward data packets towards their destination.

Answer: D

Explanation:
The data plane (or forwarding plane) is responsible for actually forwarding the data packets. It uses the information stored in the forwarding table to determine how to move packets from one interface to another toward their destination.

NEW QUESTION # 41
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 link-state database is the same for all routers.
D. The forwarding database contains the optimum next hop for each known prefix.

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 # 42
Refer to the exhibit.

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

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

Answer: D

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 # 43
What is the replacement for ARP in IPv6?

A. Stateless address auto-configuration procedures.
B. Neighbor discovery procedures.
C. Router discovery procedures.
D. Duplicate address detection procedures.

Answer: B

Explanation:
In IPv6, the Neighbor Discovery Protocol (NDP) replaces the Address Resolution Protocol (ARP) used in IPv4. NDP is responsible for several functions, including resolving IP addresses to MAC addresses (similar to ARP), detecting duplicate IP addresses, and discovering other devices on the network.

NEW QUESTION # 44
An IS-IS router receives a CSNP that references an older LSP than the one in its local database. What action is taken?

A. The router sends a copy of the referenced LSP from its database to its neighbor.
B. The router updates its database with the new sequence number and floods a copy of the LSP to its other neighbors.
C. The router sends a PSNP to its neighbor to request a copy of the LSP.
D. The router sends a CSNP to its neighbor describing the newer LSPs in its database.

Answer: A

Explanation:
When a router receives a CSNP (Complete Sequence Number PDU) that references an older LSP (Link-State PDU) than the one in its local database, it indicates that the neighbor is missing newer information.
In response, the router sends back a PSNP (Partial Sequence Number PDU) to the neighbor, which includes a copy of the LSPs it has in its local database that the neighbor may not yet have. This helps to synchronize the link-state information between routers.

NEW QUESTION # 45
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