Cloud Architecture

CV0-004 · 69 questions

• A county GIS team needs virtual machines, guest OS control, and custom map engines they fully administer. Staff debate whether a turnkey SaaS mapping portal is enough. Which cloud service model fits their requirement?
• A city permitting portal team wants to deploy application code without patching servers or managing the runtime. Which cloud service model best matches that goal?
• A parks department adopts email and collaboration as a complete vendor-hosted application with no infrastructure to manage. A board member labels the purchase Infrastructure as a Service. Which service model is actually in use?
• Public works wants short event-driven jobs that resize citizen photo uploads on demand without provisioning or patching servers. Which model best fits?
• A mayor assumes that moving municipal virtual machines to the cloud means the provider now patches every guest OS and every city application. Under a typical IaaS shared-responsibility model, what remains the city's responsibility?
• A library consortium runs Platform as a Service web apps and argues that nobody on staff needs to do security work anymore. Which customer responsibilities still apply on PaaS?
• An auditor asks whether shared responsibility with a cloud provider is always a fixed 50/50 split. Which statement is accurate for CompTIA Cloud+ service models?
• A township compares renting virtual machines (IaaS), a managed application platform (PaaS), and a complete HR Software as a Service suite for the same payroll need. How should leaders choose?
• A city must keep citizen data in a named geographic area to meet residency rules and is deciding where to place primary cloud workloads. Which concept describes a geographic grouping of datacenters used for that placement?
• A 911 computer-aided dispatch redesign must remain available if a single datacenter fails inside one metro cloud region. Which construct provides that failure-domain isolation?
• Tax season spikes overwhelm on-premises capacity, and the county wants temporary overflow into the public cloud until demand drops. Which approach describes that pattern?
• Transit fare kiosks need processing close to stations for low latency rather than sending every transaction to a distant central region. Which approach best addresses that need?
• A continuity plan states municipal systems must resume within 4 hours and lose no more than 15 minutes of data. Which pair correctly maps those targets?
• Emergency management compares a fully mirrored ready site, a partially equipped site, and bare facility space for disaster recovery. Which statement correctly contrasts those site types?
• A regional consortium runs workloads across two cloud providers so a single vendor outage does not stop all citizen services. Which resilience approach does that describe?
• Remote municipal staff need encrypted access from home networks into a private cloud VPC without exposing every server to the public internet. Which connectivity approach fits?
• A court records system needs consistent high bandwidth and low jitter to the cloud rather than a best-effort internet VPN. Which connectivity option best matches that requirement?
• A citizen web portal must distribute HTTPS sessions across healthy application instances based on application content such as URL path. Which load-balancing approach is appropriate?
• A UDP-based telemetry intake must distribute flows by IP and port without inspecting HTTP paths. Which load balancer type fits?
• Static park maps and videos should cache near citizens worldwide to cut origin load and latency. Which cloud networking capability provides that?
• Two city VPCs need private routing between them without hairpinning traffic through the public internet. Which construct provides that private connectivity?
• Many spoke VPCs must interconnect through a hub rather than a full mesh of individual peerings. Which approach scales that design?
• Network teams want centralized, policy-driven virtual networking instead of configuring each device only with isolated static settings. Which concept describes that model?
• Daily active case files need low-latency access, while decade-old closed cases are rarely opened. How should storage tiers be aligned?
• A body-worn camera archive will almost never be read unless subpoenaed years later. Which storage approach best fits that access pattern?
• A municipal IT team must attach a raw boot disk to a city VM, share a hierarchical department folder for staff, and store a media lake addressed by API keys. Which storage mapping best matches these three needs?
• City database logs need sustained high IOPS with low latency, while bulk document scans can tolerate slower cheaper media. Which disk choice correctly matches both workloads?
• Finance asks why hot object storage for open-data GIS tiles costs more per GB than archive storage holding the same total size of infrequently retrieved maps. What best explains the price difference?
• A parks department app stores unstructured trail photos with metadata keys and never mounts a traditional filesystem for those images. Which storage approach best fits this design?
• A city prefers a provider-operated database service so staff stop patching database VMs themselves. Which cloud-native choice best reflects that preference?
• Permitting is split into small independently deployable services for payments, inspections, and notices instead of one monolith. What cloud-native concept does this primarily illustrate?
• If the notice service fails, city payments should keep working, so teams avoid hard synchronous coupling everywhere. Which design goal are they pursuing?
• One citizen upload event must notify virus scan, thumbnail, and archive services without the uploader calling each consumer directly. Which pattern best fits?
• Containers must find the current healthy payments endpoint without hard-coded IPs that change on every deploy. What capability should the platform provide?
• A developer runs one utility container on a laptop with no cluster scheduler for a one-off civic script. How does this differ from production orchestrated workloads?
• Production microservices for licensing need scheduling, automatic restarts, and scaling across a node pool. Which approach best meets those needs?
• A containerized permitting API listens on port 8080 inside the container but must reach citizens on 443 outside. What container networking concept solves this?
• User permit uploads must survive container restarts, while temp build cache can disappear when the container dies. Which storage distinction should the team apply?
• Teams store approved application images in a central place so deploy jobs can pull them during rollouts. What component fulfills that role?
• A stateful inspection app needs data that outlives pod rescheduling onto another node. Which storage choice best fits?
• A single hypervisor hosts a few departmental VMs with no failover cluster. Which virtualization model does this describe?
• If one virtualization host fails, city VMs should restart automatically on another host in the pool. Which capability provides that behavior?
• Before a major OS upgrade, admins want an identical copy of a tax-system VM for rollback testing. Which virtualization operation should they use?
• A licensed appliance VM must always run on a specific host that holds a hardware dongle. Which virtualization control enforces that placement?
• A forensic lab VM needs direct access to a specialty PCIe card that cannot be fully virtualized. Which technique assigns that device to the guest?
• Storage for city VMs may be local disks, shared SAN block, or NAS file shares depending on mobility needs. Which statement correctly contrasts these options?
• Compliance requires a physical server not shared with other tenants for a sensitive municipal workload. Which cloud cost or tenancy model best matches?
• A steady 24/7 records system will run unchanged for three years, and finance wants a discount for that commitment. Which pricing approach fits best?
• A weekend civic hackathon needs VMs only for two days with no long commitment. Which billing model is most appropriate?
• Batch GIS rendering can stop if capacity is reclaimed and restart later, and the city wants deep discounts for that flexibility. Which instance model fits?
• A city finance office wants every cloud resource labeled by department so monthly chargeback reports can allocate spend accurately. Which practice best enables that cost allocation?
• Monitoring shows a municipal VM averaging about 8% CPU for several months with no planned load spike. What cost action best addresses that waste?
• County payroll requires ACID transactions, normalized employee and deduction tables, and strict foreign-key relationships. Which database approach best fits?
• A citizen-feedback portal stores evolving JSON documents whose fields change as new survey types appear. Which database pattern fits better than a rigid relational schema?
• Municipal DBAs insist on installing, patching, and tuning the database engine themselves on virtual machines. Which deployment option are they choosing?
• City ops wants automated backups, patching, and high-availability features handled by the cloud vendor for a departmental database. Which option matches?
• A project team debates whether citizen records need rigid relational schemas or flexible documents, while another debate asks who patches the database engine. What distinction should the architect emphasize?
• A legacy Windows line-of-business app needs a full guest operating system and vendor-supported OS-level agents, while a new stateless REST API packages cleanly with its runtime. How should the city optimize packaging?
• A nightly municipal PDF generation job runs for a few minutes and sits idle the rest of the day. Which compute approach best avoids paying for an always-on VM?
• Dozens of city microservices need automated placement across nodes, rolling updates, and self-healing when a container dies. Which capability primarily provides that?
• A multi-step building-permit approval must move documents through scan, then human review, then citizen notify — in that order. Which optimization approach sequences those steps?
• Overseas users report that a city portal feels slow even though server CPU sits nearly idle. Distance to the hosting region is high. What is the most likely limiter?
• A municipal database volume cannot keep up with transaction writes even though the VM CPU has free headroom. What bottleneck class should the team investigate first?
• Instead of operating a message broker on city-managed VMs, the team adopts a provider-operated queue service. What optimization benefit does that primarily deliver?
• A 311 application should automatically extract text from photos of handwritten citizen complaint forms. Which evolving cloud capability best matches at Cloud+ awareness depth?
• A tourism site needs automatic translation of park descriptions into multiple languages for visiting travelers. Which cloud AI capability applies?
• Communications wants draft press releases assisted by generative models, with staff reviewing every draft before publication. What evolving cloud capability does this describe?
• Smart water meters across neighborhoods send readings through field gateways before data reaches cloud analytics. Which IoT pattern does this illustrate?
• Field devices for utility telemetry must use appropriate lightweight protocols so constrained sensors can transmit reliably to the cloud. What should the architecture emphasize?