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  • 4A0-100: Nokia IP Networks and Services Fundamentals

Nokia 4A0-100 Exam Questions

Exam Name: Nokia IP Networks and Services Fundamentals
Exam Code: 4A0-100
Related Certification(s):
  • Nokia Network Routing Specialist I Certifications
  • Nokia Network Routing Specialist II Certifications
  • Nokia Service Routing Architect Certifications
  • Nokia Triple Play Routing Professional Certifications
Certification Provider: Nokia
Actual Exam Duration: 75 Minutes
Number of 4A0-100 practice questions in our database: 40 (updated: Jul. 29, 2025)
Expected 4A0-100 Exam Topics, as suggested by Nokia :
  • Topic 1: Physical Infrastructure That Provides Interconnections Between Isps
  • Topic 2: Physical Separation Between Service Provider And Customer Responsibilities
  • Topic 3: Recommended Usage Of The Compact Flashes On An Nokia 7750 SR/ Types Of The Four Routes Will Be Installed In R5’s Routing Table
  • Topic 4: TCP/IP Layer Is Responsible For Path Determination And End-To-End Forwarding Of Datagrams
  • Topic 5: Displays A Hierarchial CLI Command Structure At The Current Context Level
  • Topic 6: Part Of The Encapsulation Done At The Network Interface Layer/ Valid Log Destination In An Nokia 7750 SR
  • Topic 7: Log-Ids Is Typically Reserved For Network Management On An Nokia 7750 SR
  • Topic 8: Field Is Found In The Ethernet II Frame Header But NOT In The Ethernet 802.3 Frame Header
  • Topic 9: Ethernet Frame With An Unknown Source MAC Address And A Destination MAC Address Of Ff:Ff:Ff:Ff:Ff:Ff
  • Topic 10: Broadcast And Collision Domains Are On This LAN/ What Happens When The Switch Receives A Frame With An Unknown Destination Address On Port 1
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Kanisha

1 months ago
Passed the Nokia exam with ease. Pass4Success, you're my go-to for cert prep!
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Earlean

3 months ago
Nokia certification obtained! Pass4Success made last-minute studying possible.
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Tambra

4 months ago
Thrilled to pass the Nokia cert exam. Pass4Success, your materials were invaluable!
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Maile

5 months ago
Nokia exam conquered! Pass4Success provided exactly what I needed to prepare quickly.
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Marisha

6 months ago
Successfully certified in Nokia networks. Pass4Success, you're a game-changer!
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Nobuko

6 months ago
I passed the Nokia Scalable IP Networks exam, and I owe it to the Pass4Success practice questions. One question that stumped me was related to Objective 2, specifically about the configuration of VRRP in a network. I wasn't completely sure, but I still passed.
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Floyd

7 months ago
Nokia Scalable IP Networks cert achieved! Pass4Success questions were incredibly helpful.
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Ivette

8 months ago
Just passed the Nokia Scalable IP Networks exam! The practice questions from Pass4Success were invaluable. There was a tough question on Objective 5, asking about the differences between static and dynamic routing. I had to think on my feet, but I got through it.
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Lavelle

8 months ago
Passed my Nokia exam with flying colors. Couldn't have done it without Pass4Success!
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Jonelle

8 months ago
I successfully passed the Nokia Scalable IP Networks exam, and the Pass4Success practice questions were a big help. One question that puzzled me was about Objective 10, specifically regarding the implementation of QoS policies in a network. I wasn't entirely sure, but I still managed to pass.
upvoted 0 times
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Trinidad

9 months ago
Happy to share that I passed the Nokia Scalable IP Networks exam! The Pass4Success practice questions were spot on. There was a question on Objective 3 about the differences between IPv4 and IPv6 addressing schemes. I had to recall some specifics, but I managed to answer it correctly.
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Brett

9 months ago
Nokia certification in the bag! Pass4Success made studying efficient and effective.
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Stephanie

9 months ago
I passed the Nokia Scalable IP Networks exam, thanks to the practice questions from Pass4Success. One challenging question was related to Objective 4, asking about the configuration of BGP route reflectors. I wasn't completely confident in my answer, but it worked out in the end.
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Reid

9 months ago
Thank you for sharing your experience. It sounds like a comprehensive and challenging exam.
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Afton

10 months ago
Focus on hands-on practice and real-world scenarios. Pass4Success materials were invaluable for quick, effective preparation. Don't underestimate the depth of knowledge required!
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Della

10 months ago
Aced the Nokia exam! Pass4Success materials were a lifesaver for quick prep.
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Nettie

10 months ago
Just cleared the Nokia Scalable IP Networks exam! The practice questions from Pass4Success were a lifesaver. There was a tricky question on Objective 1, specifically about the differences between OSPF and IS-IS routing protocols. I had to think hard about the nuances, but I still passed.
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Bette

10 months ago
Thanks to Pass4Success for providing relevant exam questions! Their materials helped me prepare efficiently and pass the Nokia Certified: Nokia Scalable IP Networks exam in a short time.
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Hillary

11 months ago
I recently passed the Nokia Scalable IP Networks exam, and I have to say, the Pass4Success practice questions were incredibly helpful. One question that caught me off guard was about Objective 9. It asked about the specific mechanisms used in MPLS traffic engineering. I wasn't entirely sure about the exact details, but I managed to get through it.
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Charolette

11 months ago
Just passed the Nokia Certified: Nokia Scalable IP Networks exam! Thanks Pass4Success for the spot-on practice questions.
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Dottie

11 months ago
Passing the Nokia Scalable IP Networks exam was a rewarding experience for me, thanks to the valuable practice questions provided by Pass4Success. The exam covered topics such as physical infrastructure that provides interconnections between ISPs and physical separation between service provider and customer responsibilities. One question that tested my knowledge was related to the physical separation between service provider and customer responsibilities, where I had to differentiate between edge and core routers in a network architecture. Despite my hesitation, I successfully passed the exam.
upvoted 0 times
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Glynda

1 years ago
My experience with the Nokia Scalable IP Networks exam was successful as I passed it with the assistance of Pass4Success practice questions. The exam focused on topics like physical infrastructure that provides interconnections between ISPs and physical separation between service provider and customer responsibilities. One question that challenged me was related to the physical infrastructure that provides interconnections between ISPs, where I had to explain the importance of peering points in enhancing network performance. Despite my initial uncertainty, I was able to pass the exam.
upvoted 0 times
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Aleta

1 years ago
Just passed the Nokia Certified: Nokia Scalable IP Networks exam! Be prepared for in-depth questions on MPLS Traffic Engineering. Focus on understanding path computation algorithms and bandwidth reservation methods. Thanks to Pass4Success for providing spot-on practice questions that helped me prepare efficiently in a short time!
upvoted 0 times
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Kris

1 years ago
I recently passed the Nokia Scalable IP Networks exam with the help of Pass4Success practice questions. The exam covered topics such as physical infrastructure that provides interconnections between ISPs and physical separation between service provider and customer responsibilities. One question that stood out to me was related to the physical separation between service provider and customer responsibilities, where I had to identify the key components of a demarcation point. Despite being unsure of the answer, I managed to pass the exam.
upvoted 0 times
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Free Nokia 4A0-100 Exam Actual Questions

Note: Premium Questions for 4A0-100 were last updated On Jul. 29, 2025 (see below)

Question #1

Which of the following statements best describes a hub?

Reveal Solution Hide Solution
Correct Answer: B

A hub is a physical layer (Layer 1) networking device used to connect multiple Ethernet devices in a network. Unlike switches or routers, hubs do not inspect or process frame headers. Instead, they perform a simple task:

Receive a signal (electrical or optical) on one port

Replicate that signal identically to all other ports

This means the hub does not examine Layer 2 (MAC addresses) or Layer 3 (IP addresses) and does not perform intelligent forwarding. It merely broadcasts all incoming traffic to every other connected device, often resulting in high collision domains and poor efficiency.

Option A describes a repeater, not a hub.

Option C describes a switch (Layer 2 device).

Option D describes a router (Layer 3 device).

Option B is correct: A hub does not inspect headers and replicates traffic blindly.


Nokia IP Networking Fundamentals Study Guide -- Chapter: 'Network Devices and OSI Model'

CompTIA Network+ and Cisco CCNA foundational guides (for universally accepted hardware behavior)

Question #2

Which of the following enables service providers to support multiple customers with the same VLAN ID over the same backbone?

Reveal Solution Hide Solution
Correct Answer: B

VLAN Stacking, also known as Q-in-Q tunneling, is a technology that allows multiple customers to use overlapping VLAN IDs while being transported over a shared service provider network.

Key Concepts:

Customer VLAN (C-VLAN): The VLAN used by the customer in their own network.

Service VLAN (S-VLAN): The VLAN used by the service provider to encapsulate the customer VLAN.

When VLAN stacking is applied:

A customer's Ethernet frame already tagged with a C-VLAN is encapsulated with an additional outer S-VLAN tag.

This way, multiple customers can use the same C-VLAN ID, but remain isolated by the unique S-VLAN assigned to them by the service provider.

Why Other Options Are Incorrect:

A . VLAN Trunking: Used to carry multiple VLANs over a single physical link but doesn't allow reuse of VLAN IDs across customers.

C . VLAN Tagging: Refers to the general process of adding a VLAN tag; it doesn't provide the isolation needed across shared infrastructure.

D . VLAN Routing: Refers to Layer 3 routing between VLANs, not to ID reuse or transport over a shared provider backbone.


Nokia Service Architecture and VPNs Study Guide -- Section: ''Q-in-Q VLAN Stacking''

IEEE 802.1ad Standard -- Provider Bridges (Q-in-Q)

Question #3

What happens immediately after an Ethernet switch receives an Ethernet frame?

Reveal Solution Hide Solution
Correct Answer: B

Question #4

What are the tasks of a Routing Table Manager (RTM)? (Choose two.)

Reveal Solution Hide Solution
Correct Answer: A, D

Question #5

Which of the following statements is TRUE regarding the development of the OSI Reference Model?

Reveal Solution Hide Solution
Correct Answer: A

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