🌍 BGP in Enterprise - ENCOR Practice Questions

Understand BGP fundamentals for enterprise: eBGP vs iBGP, BGP path selection, route filtering, communities, and when enterprises use BGP for WAN and internet connectivity.

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1Exam Domains

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ENCOR BGP Question Bank (2 Questions)

Browse all 2 practice questions covering BGP in Enterprise for the ENCOR certification exam. Each question includes the full answer and a detailed explanation to help you understand the concepts.

  1. Question 1Infrastructure

    What is the BGP best path selection order for the first three attributes?

    AMED, Local Preference, AS Path
    B1) Highest Weight (Cisco), 2) Highest Local Preference, 3) Locally originated (network/aggregate/redistribute)
    CAS Path, Origin, MED
    DNext-hop reachability, Weight, Origin
    Show Answer & Explanation
    Correct Answer: B
    Explanation:

    BGP path selection (first three): 1) Highest Weight (Cisco-local, default 0), 2) Highest LOCAL_PREF (default 100, iBGP), 3) Locally originated routes preferred. Then: 4) Shortest AS_PATH, 5) Lowest Origin (i < e < ?), 6) Lowest MED, 7) eBGP over iBGP, 8) Lowest IGP metric to next-hop, 9) Oldest route, 10) Lowest Router ID.

  2. Question 2Infrastructure

    Which BGP path attribute is the first tiebreaker in the best path selection algorithm?

    AAS_PATH
    BLOCAL_PREF
    CMED
    DWeight (Cisco-specific)
    Show Answer & Explanation
    Correct Answer: D
    Explanation:

    Cisco's BGP best path selection order: (1) Highest Weight (Cisco-specific, local), (2) Highest LOCAL_PREF, (3) Locally originated, (4) Shortest AS_PATH, (5) Lowest origin type, (6) Lowest MED.

Key BGP Concepts for ENCOR

bgpebgpibgppath selectionas-pathlocal preferencemedcommunityroute filter

ENCOR BGP Exam Tips

BGP in Enterprise questions in ENCOR are typically scenario-based. Focus on service-level decision making aligned to official exam objectives. Priority concepts: bgp, ebgp, ibgp, path selection, as-path, local preference.

What ENCOR Expects

  • Anchor your answer in select the most practical, secure, and scalable answer for the stated scenario.
  • BGP scenarios for ENCOR are frequently mapped to Domain 3 (30%), so read the objective carefully before picking controls or architecture.
  • Expect multi-service scenarios where BGP interacts with IAM, networking, storage, or observability patterns rather than appearing as an isolated service question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Professional) and managed-service best practices.

High-Value BGP Concepts

  • Know the core BGP building blocks cold: bgp, ebgp, ibgp, path selection.
  • Review the edge-case features and limits for as-path, local preference; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how BGP pairs with Infrastructure, OSPF Advanced, EIGRP in real deployment patterns.
  • For ENCOR, explain why the chosen BGP design meets reliability, security, and cost expectations better than the alternatives.

Common ENCOR Traps

  • Watch for answers that partially solve the requirement but miss operational constraints.
  • Questions in Infrastructure often include distractors that look correct for BGP but violate least-privilege, durability, or availability 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 BGP implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to Infrastructure (30%) outcomes for ENCOR?
  • Can you explain security and access boundaries for BGP without relying on default-open assumptions?
  • Can you describe how BGP integrates with Infrastructure and OSPF Advanced during failure, scaling, and monitoring events?

Exam Domains Covering BGP

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