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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
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. 17, 2026)
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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Steven Flores

5 days ago
I managed to pass the Nokia IP Networks and Services Fundamentals exam by focusing on fundamentals first and only then reviewing edge cases. Labbing simple configurations made the Objective coverage stick far better than rereading notes.
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Timothy Wilson

23 days ago
MPLS questions commonly give an LSP trace or a broken LDP session and ask which node swaps, pops, or pushes labels, and a colleague of mine passed after concentrating on those problem types. Study label lifecycle, LDP versus RSVP-TE behaviors, and practice drawing label stacks for VPNs and penultimate hop popping cases.
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Gerald Wilson

1 month ago
Passed 4A0-100 last week, and the tricky part for me was separating what is assumed knowledge versus what the question actually states. Doing timed sets forced me to stop overthinking and improved my accuracy.
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Maria Morris

2 months ago
Routing protocol behavior is frequently tested with scenario questions that ask you to determine next-hop selection or route redistribution outcomes between OSPF and BGP, and I passed after practicing those scenarios. Focus on LSAs, administrative distance, route selection rules, and simulate redistribution edge cases so you can trace why one path is chosen.
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Patricia King

2 months ago
I just cleared the Nokia 4A0-100 and the biggest help was building a one page summary of key IP services and routing behaviors, then drilling it daily. The exam wording can be subtle, so slow down and read each scenario twice.
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Brenda Campbell

3 months ago
IP addressing and subnetting questions on the Nokia exam often present a real design scenario where you must allocate networks using VLSM and pick the correct mask from multiple choices, I managed to pass and Pass4Success's question collection gave me focused practice in a short time. Drill binary conversions, CIDR notation, and lots of VLSM exercises until subnet boundary mistakes become automatic.
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Cordie

4 months ago
Initial nerves faded as pass4success provided exam-like practice and reliable analytics that showed my progress; believe in your study plan, you'll do great.
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Lenna

4 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 5, specifically about the differences between static and dynamic routing. I wasn't completely sure, but I still passed.
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Shala

4 months ago
Nokia Scalable IP Networks - check! Couldn't have done it without Pass4Success's relevant exam questions.
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Royal

4 months ago
I was tense about time management, but Pass4Success taught me pacing strategies and focused reviews that calmed me down; push through, success is within reach.
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Yvette

5 months ago
The nerves were real, but Pass4Success turned noise into clarity through practical labs and quick recap quizzes; stay positive, your preparation is powerful.
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Rebeca

5 months ago
Just passed the Nokia Scalable IP Networks exam! The practice questions from Pass4Success were invaluable. There was a tough question on Objective 10, asking about the implementation of QoS policies in a network. I had to think on my feet, but I got through it.
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Alpha

5 months ago
Stumped by VLAN tagging and trunk misconfigurations. Pass4Success drills drilled the common pitfalls and made the concepts click for me.
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Jaleesa

6 months ago
My heart raced before the test, yet pass4success helped me build confidence with step-by-step problem solving and explanations I could trust; you've got this, keep going.
upvoted 0 times
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Celia

6 months ago
I started anxious about network fundamentals, but Pass4Success's structured paths and practice exams made the material click; keep practicing, you're on the right track.
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Marguerita

6 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 3, specifically regarding the differences between IPv4 and IPv6 addressing schemes. I wasn't entirely sure, but I still managed to pass.
upvoted 0 times
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Delpha

6 months ago
Nervous about remembering acronyms and flows, I found pass4success's targeted drills and review notes invaluable; stay steady, your effort will pay off.
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Tom

7 months ago
I felt overwhelmed at first, but pass4success broke down the concepts and offered realistic timing practice that made the exam feel doable; believe in yourself, you're closer than you think.
upvoted 0 times
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Cristina

7 months ago
pass4success practice exams were a game-changer for me. Tip: Focus on understanding the core concepts, not just memorizing facts.
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Tegan

7 months ago
The initial nerves hit hard, yet Pass4Success turned complex topics into digestible steps and mock tests into real confidence boosts; stay focused and you'll conquer it like I did.
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Noah

7 months ago
Whew, that Nokia cert was tough! Grateful for Pass4Success's prep materials - saved me tons of time.
upvoted 0 times
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Dean

8 months ago
Just passed the Nokia Scalable IP Networks exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Jeff

8 months ago
Passed the Nokia IP Networks and Services Fundamentals exam with the help of Pass4Success practice exams. Tip: Manage your time wisely and don't get bogged down in any single topic.
upvoted 0 times
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Alton

8 months ago
Networking fundamentals, especially IP routing versus MPLS labels, were tough. pass4success practice questions mirrored real questions and clarified the subtle differences.
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Corinne

8 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 4 about the configuration of BGP route reflectors. I had to recall some specifics, but I managed to answer it correctly.
upvoted 0 times
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Olene

9 months ago
The tricky QoS topic was brutal—the exam loves edge cases like classification with mixed traffic. Pass4Success practice exams helped me spot those tricky scenarios and reinforced the correct decision paths.
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Karima

9 months ago
My hands trembled as I opened the first question, but Pass4Success guided me with practical labs and concise modules that boosted my trust in my own abilities; keep pushing forward, every practice session brings you closer.
upvoted 0 times
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Bulah

9 months ago
I was nervous stepping into the exam hall, unsure if I'd remember enough, but Pass4Success gave me structured practice and clear explanations that built my confidence; you've got this, future test-takers, you can succeed too.
upvoted 0 times
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Bette

9 months ago
Just got my Nokia certification! Pass4Success, thanks for the excellent study materials.
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Denise

10 months ago
I passed the Nokia Scalable IP Networks exam, thanks to the practice questions from Pass4Success. One challenging question was related to Objective 1, asking about the differences between OSPF and IS-IS routing protocols. I wasn't completely confident in my answer, but it worked out in the end.
upvoted 0 times
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Elbert

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 9, asking about the specific mechanisms used in MPLS traffic engineering. I had to think hard about the nuances, but I still passed.
upvoted 0 times
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Noah

10 months ago
I recently passed the Nokia Scalable IP Networks exam, and the Pass4Success practice questions were a great help. One question that caught me off guard was about Objective 7, specifically regarding the configuration of multicast routing. I wasn't entirely sure, but I managed to get through it.
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Staci

11 months ago
Nokia Scalable IP Networks certified! Pass4Success questions were spot-on.
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Rebbeca

11 months ago
Excited to share that I passed the Nokia Scalable IP Networks exam! The Pass4Success practice questions were incredibly helpful. There was a tricky question on Objective 8 about the differences between link-state and distance-vector routing protocols. I had to recall some details, but I managed to answer it correctly.
upvoted 0 times
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Kanisha

1 year ago
Passed the Nokia exam with ease. Pass4Success, you're my go-to for cert prep!
upvoted 0 times
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Earlean

1 year ago
Nokia certification obtained! Pass4Success made last-minute studying possible.
upvoted 0 times
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Tambra

1 year ago
Thrilled to pass the Nokia cert exam. Pass4Success, your materials were invaluable!
upvoted 0 times
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Maile

1 year ago
Nokia exam conquered! Pass4Success provided exactly what I needed to prepare quickly.
upvoted 0 times
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Marisha

1 year ago
Successfully certified in Nokia networks. Pass4Success, you're a game-changer!
upvoted 0 times
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Nobuko

2 years 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.
upvoted 0 times
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Floyd

2 years ago
Nokia Scalable IP Networks cert achieved! Pass4Success questions were incredibly helpful.
upvoted 0 times
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Ivette

2 years 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.
upvoted 0 times
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Lavelle

2 years ago
Passed my Nokia exam with flying colors. Couldn't have done it without Pass4Success!
upvoted 0 times
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Jonelle

2 years 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

2 years 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.
upvoted 0 times
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Brett

2 years ago
Nokia certification in the bag! Pass4Success made studying efficient and effective.
upvoted 0 times
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Stephanie

2 years 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.
upvoted 0 times
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Reid

2 years ago
Thank you for sharing your experience. It sounds like a comprehensive and challenging exam.
upvoted 0 times
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Afton

2 years 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!
upvoted 0 times
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Della

2 years ago
Aced the Nokia exam! Pass4Success materials were a lifesaver for quick prep.
upvoted 0 times
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Nettie

2 years 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.
upvoted 0 times
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Bette

2 years 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.
upvoted 0 times
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Hillary

2 years 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.
upvoted 0 times
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Charolette

2 years ago
Just passed the Nokia Certified: Nokia Scalable IP Networks exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Dottie

2 years 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

2 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

2 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

2 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. 17, 2026 (see below)

Question #1

Which of the following statements about MD-CLI is FALSE?

A. It allows atomic transactions. B. Configuration changes are activated when the running configuration datastore is saved to a file. C. To achieve transactional configuration, it is necessary to have multiple configuration datastores. D. Multiple users may enter the global configuration mode concurrently.

Reveal Solution Hide Solution
Correct Answer: B

The Model-Driven Command Line Interface (MD-CLI) in Nokia SR OS provides a structured and programmatic way to manage configurations. It is based on a transactional model, meaning changes are made in a candidate configuration before being committed to the running configuration.

Let's review each statement:


Nokia SR OS MD-CLI User Guide

Nokia SRA Study Guide -- Chapter: 'Model-Driven Configuration and Transactions'

Question #2

Which of the following is NOT a valid event logging destination?

Reveal Solution Hide Solution
Correct Answer: D

In Nokia SR OS, event logging allows the router to report system events, alarms, and operational changes to external systems or users. The valid logging destinations include:

SNMP -- Used to send traps or informs to SNMP managers.

Syslog -- Sends logs to centralized syslog servers, a standard for log management.

NETCONF -- Can be used for event notification in model-driven management setups, although it is more frequently used for configuration and state management.

However, BOF (Boot Options File) is not a valid logging destination. The BOF is used to store critical system boot configurations, such as:

Which image to boot from

Network interface settings

Auto-boot parameters

BOF plays no role in the logging infrastructure.


Nokia SR OS Fundamentals Guide -- Section: ''Event Logging''

Nokia SRA Study Guide -- Chapter: 'Logging and Event Monitoring'

Question #3

Which of the following statements about ICMP functions is FALSE?

Reveal Solution Hide Solution
Correct Answer: D

ICMP (Internet Control Message Protocol) is used for network diagnostics and error messaging. Key uses include:

Ping (Echo Request/Reply) -- tests end-to-end connectivity

Traceroute -- uses ICMP time exceeded messages to identify hops

Error reporting -- returns various error types with different codes

However, ICMP does not re-route traffic. If a destination is unreachable, ICMP reports the error back to the sender; it doesn't instruct routers to re-route.

Option D is FALSE -- ICMP does not perform routing.


Nokia IP Fundamentals Guide -- Section: ''ICMP and Network Diagnostics''

RFC 792 -- ICMP Standard

Question #4

Which of the following statements about IP route summarization is FALSE?

Reveal Solution Hide Solution
Correct Answer: A

Route summarization (a.k.a. supernetting) is the process of combining multiple contiguous subnets into a single summarized route, which:

Reduces routing table entries

Enhances scalability and efficiency

Minimizes instability by localizing route changes

Option A is false because it describes subnetting, not summarization. Summarization works in the opposite direction -- combining smaller routes into a larger one.


Nokia IP Routing Guide -- Chapter: ''Route Summarization Techniques''

Cisco CCNA -- IP Routing Concepts

Question #5

Which of the following routing protocols cannot be used between routers R2 and R4?

Reveal Solution Hide Solution
Correct Answer: D

In the diagram:

R2 and R4 are both within AS 65540, which indicates that they are in the same Autonomous System.

eBGP (External Border Gateway Protocol) is designed for routing between different ASes (inter-AS routing).

Since R2 and R4 are in the same AS, you would use:

OSPF or IS-IS (both interior gateway protocols -- IGPs)

Static routing is also valid between any two routers if manually configured

eBGP is invalid between routers in the same AS.

The correct protocol in that case would be iBGP (internal BGP) if BGP were to be used within the AS.

Therefore, the correct answer is: D. eBGP


Nokia IP Routing Fundamentals -- BGP vs IGP

Nokia SRA Guide -- AS Concepts and Protocol Suitability

RFC 4271 -- BGP Specification

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