HOTTEST 4A0-112 CERTIFICATION - 100% PASS QUIZ NOKIA 4A0-112 - NOKIA IS-IS ROUTING PROTOCOL FIRST-GRADE DUMPS FREE

Hottest 4A0-112 Certification - 100% Pass Quiz Nokia 4A0-112 - Nokia IS-IS Routing Protocol First-grade Dumps Free

Hottest 4A0-112 Certification - 100% Pass Quiz Nokia 4A0-112 - Nokia IS-IS Routing Protocol First-grade Dumps Free

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The Nokia 4A0-112 PDF questions file of 2Pass4sure has real Nokia 4A0-112 exam questions with accurate answers. You can download Nokia PDF Questions file and revise Nokia IS-IS Routing Protocol 4A0-112 exam questions from any place at any time. We also offer desktop 4A0-112 practice exam software which works after installation on Windows computers. The 4A0-112 web-based practice test on the other hand needs no software installation or additional plugins. Chrome, Opera, Microsoft Edge, Internet Explorer, Firefox, and Safari support the web-based 4A0-112 Practice Exam. You can access the Nokia 4A0-112 web-based practice test via Mac, Linux, iOS, Android, and Windows. Nokia IS-IS Routing Protocol 4A0-112 practice test (desktop & web-based) allows you to design your mock test sessions.

Nokia 4A0-112 exam is designed to test the knowledge and skills of networking professionals in the Nokia IS-IS routing protocol. The IS-IS protocol is widely used in large and complex networks, particularly in service provider environments. As such, the Nokia 4A0-112 exam is an important certification for professionals seeking to advance their career in network engineering or architecture.

Nokia 4A0-112 Exam is a certification test that focuses on the Nokia IS-IS routing protocol. This protocol is commonly used in large networks, such as those found in service provider environments. 4A0-112 exam is designed to test the candidate's knowledge and skills in implementing, configuring, and troubleshooting IS-IS networks using Nokia equipment.

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

NEW QUESTION # 40
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 receive each other's Hello messages because they listen for messages transmitted to different multicast IP addresses.
  • B. The routers discard the received Hello messages because they are not the expected type: LAN Hello vs point-to-point Hello.
  • 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 do not agree on the result of the DIS election.

Answer: B

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 # 41
Refer to the exhibit.

All routers in the diagram are running a link-state routing protocol. Before the link failure, all routers have operational adjacencies with each other and there is a BFD session between routers R1 and R3. After the link failure, which of the following affects the routing protocol's convergence time?

  • A. The value of the routing protocol hello timers on routers R1 and R3.
  • B. The value of the BFD transmit interval, receive interval and multiplier settings on routers R1 and R3.
  • C. The value of the Ethernet hello timers on the switches.
  • D. The time taken by the switches to detect that the physical ports are down.

Answer: B

Explanation:
BFD (Bidirectional Forwarding Detection) is used to detect link failures quickly and helps improve convergence time in link-state routing protocols. The BFD session between routers R1 and R3 allows them to detect the failure of the link between them more quickly than the regular routing protocol hello timers. The transmit interval, receive interval, and multiplier settings determine how fast BFD detects a failure and triggers the routing protocol to converge, which directly impacts the convergence time.


NEW QUESTION # 42
Which of the following is a valid alternative representation of the IPv6 address
2001:0da8:0000:0000:0024:0000:4ab9:0300?

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

Answer: A

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 # 43
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 the last LSP requested from the DIS.
  • B. Receiving the first CSNP packet from the DIS that lists the LSPs in the DIS's link-state database.
  • C. Receiving a CSNP packet from the DIS acknowledging the last transmitted LSP.
  • 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 # 44
A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?

  • A. Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.
  • B. Route tables can be reduced by summarizing the IP prefixes advertised between areas.
  • C. Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.
  • D. Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.

Answer: D

Explanation:
Dividing a domain into areas typically does not reduce the number of routers needed to handle traffic. It is more focused on improving scalability, reducing the size of routing tables, and limiting the scope of SPF calculations, but it doesn't inherently reduce the number of routers required.


NEW QUESTION # 45
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