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A private S3 origin prevents viewers bypassing edge controls through an unrestricted bucket endpoint. In this situation, changing an origin file does not automatically replace copies already cached at edge locations. The proposed change does not ensure new requests receive the new script bytes rather than the cached prior release.

Origin error statuses can be mapped to viewer-facing responses without modifying the origin application. It does not directly achieve the required result: new requests receive the new script bytes rather than the cached prior release. The constraint is that changing an origin file does not automatically replace copies already cached at edge locations.

CloudFront can serve cached objects near viewers without contacting the origin for each request. The needed control instead targets cached objects can remain fresh until their TTL expires or an invalidation is issued; it succeeds when new requests receive the new script bytes rather than the cached prior release.

PrivateLink service access is narrower than full VPC peering and can work across overlapping address spaces. For the stated conditions, a routed peer cannot distinguish duplicate destination CIDRs in separate VPCs. The more specific mechanism is VPC peering does not support overlapping VPC IPv4 CIDR blocks for direct routed peering.

Resource ownership and spoke VPC ownership can remain separate while attachments are governed centrally. That property alone cannot account for the reported symptom; a routed peer cannot distinguish duplicate destination CIDRs in separate VPCs.

Full network peering requires nonoverlapping CIDRs, while service endpoints abstract the provider's internal addresses. That property alone cannot account for the reported symptom; a routed peer cannot distinguish duplicate destination CIDRs in separate VPCs.

A forwarding rule controls names but does not increase packet-processing capacity by itself. For the stated conditions, a single rule cannot simultaneously express different target destinations for the same suffix without planning. The more specific mechanism is resolver rules bind a suffix to specific target IP addresses and are associated to VPCs.

A single DNS endpoint address can become an availability bottleneck and may violate service requirements. That property alone cannot account for the reported symptom; a single rule cannot simultaneously express different target destinations for the same suffix without planning.

Split-horizon configuration can intentionally prevent public answers from leaking into an internal namespace. For the stated conditions, a single rule cannot simultaneously express different target destinations for the same suffix without planning. The more specific mechanism is resolver rules bind a suffix to specific target IP addresses and are associated to VPCs.

The virtual interface type determines whether connectivity targets private VPC addresses or public AWS endpoints. The needed control instead targets cross-account Direct Connect gateway associations require proposal and acceptance by the responsible owners; it succeeds when the intended Transit Gateway association becomes active under both owners' approval.

Transit VIF connectivity targets Transit Gateway associations instead of directly attaching every individual VPC. That adjustment does not address the controlling condition: owning the Transit Gateway does not automatically grant authority to attach another account's Direct Connect gateway. Verify the intended Transit Gateway association becomes active under both owners' approval.

VGW allowed-prefix filters cannot force unsupported more-specific VPC routes to appear in BGP. In this situation, owning the Transit Gateway does not automatically grant authority to attach another account's Direct Connect gateway. The proposed change does not ensure the intended Transit Gateway association becomes active under both owners' approval.

A large AWS frame cannot traverse a lower-MTU intermediate segment without compatible handling. The reported evidence instead concerns IPsec overhead reduces effective packet payload size and can expose PMTU or MSS mismatches: encrypted packet overhead can make sizes that fit locally exceed the negotiated tunnel path.

A healthy NLB can still direct clients to overloaded targets when the target fleet is undersized. For the stated conditions, encrypted packet overhead can make sizes that fit locally exceed the negotiated tunnel path. The more specific mechanism is IPsec overhead reduces effective packet payload size and can expose PMTU or MSS mismatches.

Weights alone can continue steering toward failed endpoints unless health status affects selection. That property alone cannot account for the reported symptom; encrypted packet overhead can make sizes that fit locally exceed the negotiated tunnel path.

Failback requires explicit routing preference rather than assuming an active link automatically dominates. That property alone cannot account for the reported symptom; coarse summarization can hide reachability differences and route withdrawals from downstream peers.

Competing identical prefixes with unstable attributes can produce repeated forwarding changes. For the stated conditions, coarse summarization can hide reachability differences and route withdrawals from downstream peers. The more specific mechanism is changes to BGP aggregation can alter advertised prefixes, path attributes and routing convergence.

Multiple healthy links can compete for the same destination; configuration controls the selected route. The decisive technical distinction is changes to BGP aggregation can alter advertised prefixes, path attributes and routing convergence; coarse summarization can hide reachability differences and route withdrawals from downstream peers.

Layer-three/four flow metadata cannot reveal encrypted HTTP resource paths. For the stated conditions, the default record shape may omit fields needed for reliable SYN-only or RST event classification. The more specific mechanism is extended flow-log fields can include tcp-flags and traffic-path details for deeper classification.

Aggregation windows combine multiple packets from a flow into one record. The decisive technical distinction is extended flow-log fields can include tcp-flags and traffic-path details for deeper classification; the default record shape may omit fields needed for reliable SYN-only or RST event classification.

A missing allowed port prevents traffic even if subnet routes and ENIs are otherwise present. For the stated conditions, the default record shape may omit fields needed for reliable SYN-only or RST event classification. The more specific mechanism is extended flow-log fields can include tcp-flags and traffic-path details for deeper classification.

The default record shape may omit fields needed for reliable SYN-only or RST event classification. The decisive technical distinction is cloudTrail management activity records API operations, while flow logs describe network traffic disposition; configuration audit events and network data-plane activity are separate evidence streams.

VPC Flow Logs cannot reconstruct full TCP handshake packet order from aggregated records. The reported evidence instead concerns cloudTrail management activity records API operations, while flow logs describe network traffic disposition: configuration audit events and network data-plane activity are separate evidence streams.

Traffic tuples may differ before and after NAT while representing one application connection. The decisive technical distinction is cloudTrail management activity records API operations, while flow logs describe network traffic disposition; configuration audit events and network data-plane activity are separate evidence streams.

A redundant hybrid design must address circuit, location and device failure domains independently. That adjustment does not address the controlling condition: public VIF traffic uses public AWS addresses even when the physical transport is dedicated. Verify corporate clients reach the intended public AWS endpoints through the established public VIF.

A dedicated physical path reduces internet exposure but is not itself equivalent to IPsec confidentiality. In this situation, public VIF traffic uses public AWS addresses even when the physical transport is dedicated. The proposed change does not ensure corporate clients reach the intended public AWS endpoints through the established public VIF.

The gateway decouples connection location from eligible attached private networks under documented rules. The needed control instead targets a public virtual interface provides BGP routing to supported public AWS service prefixes; it succeeds when corporate clients reach the intended public AWS endpoints through the established public VIF.

Inbound and outbound endpoint directions describe where queries enter or leave the VPC DNS service. That property alone cannot account for the reported symptom; forward hostname A records do not automatically create reverse PTR data for every address.

Private zone visibility follows VPC associations rather than AWS organization membership alone. The decisive technical distinction is reverse DNS requires an appropriate in-addr.arpa or ip6.arpa zone or delegated resolver authority; forward hostname A records do not automatically create reverse PTR data for every address.

A correct zone association cannot produce working client resolution when needed VPC DNS support is disabled. For the stated conditions, forward hostname A records do not automatically create reverse PTR data for every address. The more specific mechanism is reverse DNS requires an appropriate in-addr.arpa or ip6.arpa zone or delegated resolver authority.

Forward hostname A records do not automatically create reverse PTR data for every address. The needed control instead targets a public CNAME does not automatically cross into private hosted zone scope for internet resolvers; it succeeds when public and internal clients each obtain only the addresses intended for their resolver contexts.

Inbound and outbound endpoint directions describe where queries enter or leave the VPC DNS service. It does not directly achieve the required result: public and internal clients each obtain only the addresses intended for their resolver contexts. The constraint is that private zone associations determine internal visibility independently of public recursive resolution.

Private zone visibility follows VPC associations rather than AWS organization membership alone. The needed control instead targets a public CNAME does not automatically cross into private hosted zone scope for internet resolvers; it succeeds when public and internal clients each obtain only the addresses intended for their resolver contexts.