HIGH PASS-RATE CHEAP 4A0-112 DUMPS & THE BEST TORRENT TO HELP YOU PASS NOKIA 4A0-112

High Pass-rate Cheap 4A0-112 Dumps & The Best Torrent to help you pass Nokia 4A0-112

High Pass-rate Cheap 4A0-112 Dumps & The Best Torrent to help you pass Nokia 4A0-112

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Nokia 4A0-112 is a highly sought-after certification exam for individuals seeking to validate their knowledge and skills in Nokia's IS-IS Routing Protocol. 4A0-112 exam is designed to evaluate the candidate's understanding of the IS-IS protocol and its implementation in Nokia's networking solutions. Nokia IS-IS Routing Protocol certification is ideal for network engineers, network architects, and IT professionals who are responsible for designing, implementing, and maintaining complex network infrastructures.

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Nokia IS-IS Routing Protocol is an industry-standard protocol used for routing in large-scale networks. It is often used in service provider networks, data centers, and enterprise networks. This protocol is known for its scalability, stability, and fast convergence. It is designed to support large networks with multiple levels of hierarchy, making it an ideal choice for complex network infrastructures.

The IS-IS protocol is used to route data packets between networks in a highly efficient and scalable manner. By becoming certified in IS-IS, you'll have a deep understanding of the protocol's operation, including its key features and benefits. You'll also learn how to configure and troubleshoot IS-IS routers, ensuring that your network is up and running smoothly at all times.

Nokia IS-IS Routing Protocol Sample Questions (Q13-Q18):

NEW QUESTION # 13
A router is trying to establish an IS-IS adjacency with the DIS on a broadcast link. What event causes the adjacency to change from "Initializing" to "UP"?

  • A. Receiving a CSNP packet from the DIS acknowledging the last transmitted LSP.
  • B. Receiving the first CSNP packet from the DIS that lists the LSPs in the DIS's link-state database.
  • C. Receiving the last LSP requested from the DIS.
  • D. Receiving a Hello packet from the DIS that contains the local router's own MAC address in the neighbor list.

Answer: B

Explanation:
The process of establishing an IS-IS adjacency on a broadcast link involves several steps, and the transition from the Initializing state to the UP state occurs when both routers exchange sufficient information to confirm they have a consistent view of the link-state database.
The CSNP (Complete Sequence Number PDU) packet is used to advertise the list of LSPs in the router's link-state database. When a router receives the first CSNP from the DIS (Designated Intermediate System) that lists the LSPs in the DIS's database, it indicates that the router has enough information to establish the adjacency and synchronize its database.


NEW QUESTION # 14
A router running a link-state routing protocol detects that one of its neighbors is no longer connected to it. The router generates a new link-state advertisement to inform other routers of the topology change. Which of the following is NOT an action that is triggered by this event?

  • A. Every router that receives the new link-state advertisement runs the SPF algorithm to recalculate its shortest-path tree and its forwarding database.
  • B. If a router receives multiple copies of the new link-state advertisement, it will simply ignore all copies received after the first one.
  • C. Every router that receives the new link-state advertisement updates its age field before forwarding it.
  • D. If a router receives the new link-state advertisement, it acknowledges it, stores it, and forwards it to its own neighbors.

Answer: C

Explanation:
When a router receives a link-state advertisement (LSA), it does not update the age field before forwarding it. The age field in an LSA is typically updated by the originating router or during the process of forwarding the LSA within the network. Routers do not modify the age field upon receiving and forwarding an LSA.


NEW QUESTION # 15
Two IS-IS neighboring routers are trying to establish an adjacency, but the interface has been configured as broadcast on one of them and as point-to-point on the other. Why is the adjacency not established?

  • A. The routers do not agree on the result of the DIS election.
  • B. The routers do not receive each other's Hello messages because they listen for messages transmitted to different multicast IP addresses.
  • C. The routers do not receive each other's Hello messages because they listen for messages transmitted to different multicast MAC addresses.
  • D. The routers discard the received Hello messages because they are not the expected type: LAN Hello vs point-to-point Hello.

Answer: D

Explanation:
IS-IS routers use different types of Hello messages depending on whether the interface is configured as a broadcast (LAN) or point-to-point (P2P) link.
On a broadcast network (e.g., Ethernet), IS-IS routers use LAN Hello packets to establish adjacencies.
On a point-to-point link, IS-IS uses point-to-point Hello packets.
If one router is configured for a broadcast interface and the other for point-to-point, they will exchange incompatible Hello packets, and as a result, neither router will accept the other's Hello messages, preventing the adjacency from being established.


NEW QUESTION # 16
Which of the following is a valid alternative representation of the IPv6 address
2001:0da8:0000:0000:0024:0000:4ab9:0300?

  • A. 2001:da8::24::4ab9:300
  • B. 2001:0da8::0024:0000:4ab9:03
  • C. 2001:da8::24:0:4ab9:300
  • D. 2001:da8::0:24::4ab9:300

Answer: B

Explanation:
In IPv6, consecutive sections of zeros can be abbreviated with a double colon (::) once in an address. Also, leading zeros in each hextet (group of four hexadecimal digits) can be removed.
The original address is 2001:0da8:0000:0000:0024:0000:4ab9:0300.
Removing leading zeros and applying the abbreviation:


NEW QUESTION # 17
A series of actions are triggered on a router as a result of enabling both loopfree-alternate for a link-state routing protocol and ip-fast-reroute. Which of the following is NOT one of those actions?

  • A. Calculating a backup next hop for each known IP prefix, if it exists, that would not create a routing loop if used without informing other routers.
  • B. Enabling the router to locally repair the active path to an IP prefix in case of failure.
  • C. Calculating the shortest-path next hop for each known IP prefix.
  • D. Installing two entries in the FIB for IP prefixes, one active and one in standby mode.

Answer: C


NEW QUESTION # 18
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