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Nokia Data Center Fabric Fundamentals 4A0-D01 Dumps in PDF

Free Nokia 4A0-D01 Real Questions (page: 4)

4A0-D01 PDF — 61 Questions

Which of the following statements about SR Linux interfaces is FALSE?

  1. Only one management interface is allowed.
  2. Network interfaces are associated with physical ports on the linecards.
  3. The loopback interface is a physical interface directly connected to another interface on the same chassis.
  4. Layer 2 parameters such as MTU are configured at the SR Linux interface level while Layer 3 parameters are configured at the subinterface level.

Answer(s): C

Explanation:

The loopback interface in SR Linux is a logical, virtual interface used for management and routing purposes; it is not a physical interface directly connected to another interface on the same chassis.



Which of the following statements about the IRB subinterface configuration in Nokia SR Linux is FALSE?

  1. An IP address is configured under the IRB's subinterface.
  2. An IRB subinterface is configured in an IP-VRF network instance.
  3. One IRB subinterface is configured for each interface within a MAC-VRF network instance.
  4. One IRB subinterface is configured in a MAC-VRF network instance.

Answer(s): C

Explanation:

In Nokia SR Linux, IRB subinterfaces are configured one per MAC-VRF network instance, not one for each interface within that instance. Multiple IRB subinterfaces per interface are not typical.



Which of the following statements about IP-VRFs in Nokia's SR Linux is FALSE?

  1. An IP-VRF is a Layer 3 network instance.
  2. Packets in an IP-VRF are forwarded based on the destination IP address.
  3. The router maintains a distinct route table for each IP-VRF instance.
  4. Multiple servers can be connected to the same subnet in an IP-VRF.

Answer(s): D

Explanation:

Multiple servers connected to the same subnet typically reside within the same Layer 2 domain or MAC-VR
F. IP-VRFs operate at Layer 3 and segment routing and forwarding by separate routing tables, so multiple servers on the same subnet are not a function of IP-VRF.



Which of the following statements about the MAC table shown in the exhibit output is FALSE?

  1. The MAC address 00:25: BA:00:00:10 is learnt on more than one interface.
  2. The MAC re-learning rate has exceeded the threshold within the specified time frame.
  3. [interface ethernet-1/10 is configured with the MAC address 00:25:BA:00:00:10.
  4. Mac-duplication detection is enabled in mac-vrf-1.

Answer(s): A

Explanation:

The MAC address 00:25:BA:00:00:10 is listed as "duplicate," but it appears only once associated with interface ethernet-1/10. Therefore, it is not learned on more than one interface.



Which of the following statements about a MAC-VRF is FALSE?

  1. A MAC-VRF is a Layer 2 network instance.
  2. Bridge table entries contain an exit interface for each destination address.
  3. Packets received in a MAC-VRF are forwarded based on destination IP address.
  4. Multiple devices can be connected to the same IP subnet using a MAC-VRF.

Answer(s): C

Explanation:

In a MAC-VRF, packets are forwarded based on Layer 2 information such as destination MAC addresses, not on destination IP addresses.



Which of the following statements about resilient ECMP load balancing is TRUE?

  1. The hash value used to distribute traffic is calculated as a modulo function on specific fields of the packet header.
  2. Hash buckets are used to ensure that flows egressing the same interface on one router use different egress interfaces on downstream routers.
  3. A different hash seed is used on downstream routers to ensure that flows are randomly distributed across all eligible router interfaces.
  4. When one of the next-hops fail, only flows currently egressing to that next-hop are impacted.

Answer(s): D

Explanation:

In resilient ECMP load balancing, when a next-hop fails, only the flows that were using that specific next-hop are affected and need to be redistributed, minimizing disruption to other flows.



Examine the exhibit.
Which of the following statements is TRUE?

  1. A recursive lookup is performed to resolve 10.2.1.0 to use 10.1.1.0.
  2. A recursive lookup is performed to resolve 10.1.1.0 to use 10.2.1.0.
  3. The next-hop group for this static route is configured with two next-hops.
  4. The next-hop selected for this route will be based on the preference value configured for each next-hop.

Answer(s): C

Explanation:

The static route shows two next-hop IP addresses (10.1.1.0 and 10.2.1.0) listed, indicating that a next-hop group with multiple next-hops is configured for load balancing or redundancy.



A static route is configured in two steps in Nokia's SR Linux.
Which of the following items CANNOT be configured in the static-routes container?

  1. blackhole
  2. IPv4 destination prefix
  3. Preference value
  4. Next-hop group

Answer(s): A

Explanation:

The static-routes container in Nokia SR Linux does not support configuring a blackhole route directly; it is used to configure destination prefixes, preference values, and next-hop groups for static routing.



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A
Anonymous User
4/16/2026 10:54:18 AM

Question 1:

  • Correct answer: E — date = sys.argv[1]
  • Why this is correct:
- When a Databricks Job passes parameters to a notebook, those parameters are supplied to the notebook's Python process as command-line arguments. The first argument after the script name is sys.argv[1], so date = sys.argv[1] captures the passed date value directly.
  • How it compares to other options:
- date = spark.conf.get("date") reads from Spark config, not from job parameters. - input() waits for user input at runtime, which isn’t how job parameters are provided. - date = dbutils.notebooks.getParam("date") would work if the notebook were invoked via dbutils.notebook.run with parameters, not

Innisfil, Canada
A
Anonymous User
4/15/2026 4:42:07 AM

Question 528:

  • Correct answer: NSG flow logs for NSG1 (Option B)

  • Why:
- Traffic Analytics uses NSG flow logs to analyze traffic patterns. You must have NSG flow logs enabled for the NSGs you want to monitor. - An Azure Log Analytics workspace is also required to store and query the traffic data. - Network Watcher must be available in the subscription for traffic analytics to function.
  • What to configure (brief steps):
- Ensure Network Watcher is enabled in the East US region (for the subscription/region). - Enable NSG flow logs on NSG1. - Ensure a Log Analytics workspace exists and is accessible (read/write) so Traffic Analytics can store and query logs.
  • Why other options aren’t correct:
- “Diagnostic settings for VM1” or “Diagnostic settings for NSG1” alone don’t guarantee flow logs are captured and sent to Log Analytics, which Traffic Analytics relies on. - “Insights for VM1” is not how Traffic Analytics collects traffic data.

Hamburg, Germany
A
Anonymous User
4/15/2026 2:43:53 AM

Question 23:
The correct answer is Domain admin (option B), not Fabric admin.

  • Domain admin provides domain-level management: create domains/subdomains and assign workspaces within those domains, which matches the tasks while following least privilege.
  • Fabric admin is global-level access and is more privileges than needed for this scenario (it would grant broader control across the Fabric environment).

Kottayam, India
A
Anonymous User
4/14/2026 12:31:34 PM

Question 2:
For question 2, the key concept is the Longest Prefix Match. Routers pick the route whose subnet mask is the most specific (largest prefix length) that still matches the destination IP.
From the options:

  • A) 10.10.10.0/28 ? 10.10.10.0–10.10.10.15
  • B) 10.10.13.0/25 ? 10.10.13.0–10.10.13.127
  • C) 10.10.13.144/28 ? 10.10.13.144–10.10.13.159
  • D) 10.10.13.208/29 ? 10.10.13.208–10.10.13.215

The destination Host A’s IP must fall within 10.10.13.208–10.10.13.215 for the /29 to be the best match. Since /29 is the longest prefix among the matching options, Router1 will use 10.10.13.208/29.
Thus, the correct answer is D.

Canada
S
srameh
4/14/2026 10:09:29 AM

Question 3:

  • Correct answer: Phase 4, Post Accreditation

  • Explanation:
- In DITSCAP, the four phases are: - Phase 1: Definition (concept and requirements) - Phase 2: Verification (design and testing) - Phase 3: Validation (fielding and evaluation) - Phase 4: Post Accreditation (ongoing operations and lifecycle management) - The description—continuing operation of an accredited IT system and addressing changing threats throughout its life cycle—fits the Post Accreditation phase, which covers operations, maintenance, monitoring, and reauthorization as threats and environment evolve.

France
O
onibokun10
4/13/2026 7:50:14 PM

Question 129:
Correct answer: CNAME

  • A CNAME record creates an alias for a domain, so newapplication.comptia.org will resolve to whatever IP address www.comptia.org resolves to. This ensures both names point to the same resource without duplicating the IP.
  • Why not the others:
- SOA defines authoritative information for a zone. - MX specifies mail exchange servers. - NS designates name servers for a zone.
  • Notes: The alias name (newapplication.comptia.org) should not have other records if you use a CNAME for it, and CNAMEs aren’t used for the zone apex (root) domain. This scenario uses a subdomain, so a CNAME is appropriate.

Swindon, United Kingdom
A
Anonymous User
4/13/2026 6:29:58 PM

Question 1:

  • Correct answer: C

  • Why this is best:
- Uses OS Login with IAM, so SSH access is granted via Google accounts rather than distributing per-user SSH keys. - Granting the compute.osAdminLogin role to a Google group gives admin access to all team members in a centralized, auditable way. - Access is auditable: Cloud Audit Logs show who accessed which VM, satisfying the security requirement to determine who accessed a given instance.
  • How it works:
- Enable OS Login on the project/instances (enable-oslogin metadata). - Add the team’s

Germany
A
Anonymous User
4/13/2026 1:00:51 PM

Question 2:

  • Answer: D. Azure Advisor

  • Why: To view security-related recommendations for resources in the Compute and Apps area (including App Service Web Apps and Functions), you use Azure Advisor. Advisor surfaces personalized best-practice recommendations across resources, including security, and shows which resources are affected and the severity.

  • Why not the others:
- Azure Log Analytics is for ad-hoc querying of telemetry, not for viewing security recommendations. - Azure Event Hubs is for streaming telemetry data, not for security recommendations.
  • Quick tip: In the portal, navigate to Azure Advisor and check the Security recommendations for App Services to see actionable items and affe

    Brazil
D
Don
4/11/2026 5:36:42 AM

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Hamburg, Germany
M
Mogae Malapela
4/8/2026 6:37:56 AM

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Gaborone, Botswana
A
Anon
4/6/2026 5:22:54 PM

Are these the same questions you have to pay for in ExamTopics?

Amsterdam, The Netherlands
L
LRK
3/22/2026 2:38:08 PM

For Question 7 - while the answer description indicates the correct answer, the option no. mentioned is incorrect. Nice and Comprehensive. Thankyou

Paris, France
R
Rian
3/19/2026 9:12:10 AM

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United States
G
Gerrard
3/18/2026 6:58:37 AM

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United States
V
Vineet Kumar
3/6/2026 5:26:16 AM

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Anonymous
J
Joe
1/20/2026 8:25:24 AM

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UNITED STATES
N
NJ
12/24/2025 10:39:07 AM

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Anonymous
A
Ashwini
12/17/2025 8:24:45 AM

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Anonymous
J
Jagadesh
12/16/2025 9:57:10 AM

Good explanation

INDIA
S
shobha
11/29/2025 2:19:59 AM

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INDIA
P
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11/12/2025 12:16:21 PM

Question 1, Ans is - Developer,Standard,Professional Direct and Premier

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E
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Anonymous
D
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T
Thor
10/21/2025 5:16:29 AM

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NEW ZEALAND
V
Vladimir
9/25/2025 9:11:14 AM

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Anonymous
K
khaos
9/21/2025 7:07:26 AM

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Anonymous
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9/15/2025 11:21:52 PM

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Anonymous
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Einstein
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Matt
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UNITED STATES
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A
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Anonymous
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Alex
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SPriyak
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