🌐 Network Fundamentals & OSI Model - CCNA Practice Questions

Understand the OSI and TCP/IP models, network topologies, cabling types, and how data flows across enterprise networks. Core foundation for the CCNA 200-301 exam.

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CCNA Network Fundamentals Question Bank (6 Questions)

Browse all 6 practice questions covering Network Fundamentals & OSI Model for the CCNA certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.

  1. Question 1IP Connectivity

    What is the default OSPF network type on an Ethernet interface?

    APoint-to-point
    BBroadcast
    CNon-broadcast
    DPoint-to-multipoint

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  2. Question 2Network Fundamentals

    Which type of fiber optic cable is typically used for long-distance connections?

    AMulti-mode fiber (MMF)
    BSingle-mode fiber (SMF)
    CCat6a
    DCoaxial

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  3. Question 3Network Fundamentals

    Which of the following correctly describes a collision domain versus a broadcast domain?

    AA switch creates separate collision domains per port but a single broadcast domain; a router creates separate broadcast domains per interface
    BA hub creates separate collision domains per port; a switch creates separate broadcast domains per port
    CA router creates one collision domain for all interfaces; a switch creates separate broadcast domains per VLAN
    DBoth switches and routers break up collision domains and broadcast domains identically

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  4. Question 4Network Fundamentals

    Which OSI layer is responsible for logical addressing and routing of packets between networks?

    AData Link layer (Layer 2)
    BNetwork layer (Layer 3)
    CTransport layer (Layer 4)
    DSession layer (Layer 5)

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  5. Question 5Network Fundamentals

    Which fiber optic connector type uses a push-pull latching mechanism and is commonly used in enterprise networking?

    ASC connector
    BLC connector
    CST connector
    DMTRJ connector

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  6. Question 6Network Fundamentals

    What is the maximum distance for a Cat6a cable supporting 10 Gbps Ethernet?

    A55 meters
    B100 meters — Cat6a supports 10GBASE-T up to 100 meters, while Cat6 only supports 10G up to 55 meters
    C300 meters
    D25 meters

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Key Network Fundamentals Concepts for CCNA

ositcp/iptopologyethernetnetworkcableutpfibercollision domainbroadcast domain

CCNA Network Fundamentals Exam Tips

Network Fundamentals & OSI Model questions in CCNA are typically scenario-based. Focus on network fundamentals, IP connectivity, security basics, and automation concepts. Priority concepts: osi, tcp/ip, topology, ethernet, network, cable.

What CCNA Expects

  • Anchor your answer in choose the configuration that correctly applies to the described network topology and requirements.
  • Network Fundamentals scenarios for CCNA are frequently mapped to Domain 1 (20%), so read the objective carefully before picking controls or architecture.
  • Expect multi-topic scenarios where Network Fundamentals interacts with routing, switching, security, or automation patterns rather than appearing as an isolated question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Associate) and vendor best practices.

High-Value Network Fundamentals Concepts

  • Know the core Network Fundamentals building blocks cold: osi, tcp/ip, topology, ethernet.
  • Review the edge-case features and limits for network, cable; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how Network Fundamentals pairs with Switching, IP Addressing, Routing in real deployment patterns.
  • For CCNA, explain why the chosen Network Fundamentals design meets reliability, security, and cost expectations better than the alternatives.

Common CCNA Traps

  • Watch for confusing similar protocols or mixing Layer 2 and Layer 3 behavior.
  • Questions in Network Fundamentals often include distractors that look correct for Network Fundamentals but violate security policy, convergence, or redundancy requirements.
  • Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
  • If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.

Fast Review Checklist

  • Can you compare at least two Network Fundamentals implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to Network Fundamentals (20%) outcomes for CCNA?
  • Can you explain security and access boundaries for Network Fundamentals without relying on default-open assumptions?
  • Can you describe how Network Fundamentals integrates with Switching and IP Addressing during failure, scaling, and monitoring events?

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