تدرب على 60 سؤالًا أصليًا في Google Cloud Professional Machine Learning Engineer تغطي هندسة ML وخطوط البيانات وVertex AI وقابلية التوسع والأمان وMLOps مع شروح.
المستوى: Google Cloud Professional Machine Learning Engineer Certificationالصعوبة: advanced60 سؤال60 دقيقة
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سؤال 1
What is Vertex AI?
Vertex AI combines training, tuning, pipelines, and prediction services into one managed ML platform. Data warehouses, messaging, and function runners are different services.
سؤال 2
What is Vertex AI Pipelines?
Vertex AI Pipelines runs compiled pipeline steps on managed infrastructure so training, evaluation, and deployment can be reproduced. Storage, notebooks, and dashboards are not orchestrators.
سؤال 3
What is a Vertex AI Experiment?
Experiments record runs, parameters, and metrics so teams can compare attempts. VMs, deployment targets, and databases do not track experiments.
سؤال 4
What is Vertex AI Feature Store?
The Feature Store centralizes feature definitions and online or offline serving. Key management, scheduling, and DNS are unrelated.
سؤال 5
What is Vertex AI Model Garden?
Model Garden provides access to Google and partner foundation models plus ready-to-use solutions. Billing, firewalls, and data lakes are not catalogs.
سؤال 6
What is a Vertex AI endpoint?
Endpoints host model versions and route online prediction traffic. SQL instances, topics, and functions serve different purposes.
سؤال 7
What is Vertex AI TensorBoard?
Vertex AI TensorBoard visualizes scalars, images, graphs, and other training data. Load balancers, warehouses, and policies are not visualization tools.
سؤال 8
What is Vertex AI Vector Search (Matching Engine)?
Vector Search indexes embeddings and returns nearest neighbors at scale. Relational databases, job runners, and resolvers do not perform similarity search.
سؤال 9
What does a traffic split on a Vertex AI endpoint do?
Traffic split supports gradual rollouts by routing a configurable share of requests to a model version. Deleting, compressing, and retraining are separate actions.
سؤال 10
Match each architecture concept to its purpose.
Pipelines orchestrate workflows, Experiments track runs, the Registry manages model versions, and endpoints serve predictions.
سؤال 11
What is BigQuery ML?
BigQuery ML trains and evaluates models with SQL so analytics teams can run ML without moving data. Notebooks, key stores, and load balancers are not SQL ML services.
سؤال 12
What is Dataflow?
Dataflow provides unified stream and batch processing with autoscaling. Notebooks, secrets, and load balancers serve other roles.
سؤال 13
What is Pub/Sub used for in ML pipelines?
Pub/Sub ingests and delivers real-time messages so streaming pipelines can react to new data. Models, SQL, and DNS are handled elsewhere.
سؤال 14
What is Cloud Storage typically used for in ML?
Cloud Storage holds datasets, checkpoints, and model artifacts that training and prediction jobs read. SQL, messages, and keys use other services.
سؤال 15
What is Dataproc?
Dataproc runs managed Spark, Hadoop, Flink, and related clusters. Warehouses, event buses, and registries are different services.
سؤال 16
What is Cloud Composer?
Cloud Composer schedules and orchestrates data and ML workflows with Airflow. Vector databases, firewalls, and key management are not orchestrators.
سؤال 17
What are BigQuery reservation slots?
Slots are units of query compute capacity that reservations allocate to projects and teams. Keys, storage, and roles are separate concepts.
سؤال 18
What is a Vertex AI Dataset?
Vertex AI Datasets organize and version data for AutoML and custom training. Topics, registries, and images are not datasets.
سؤال 19
What is a Dataflow template?
Templates package pipeline configuration so teams can launch repeatable jobs. Image formats, frameworks, and DNS are unrelated.
سؤال 20
Match each data tool to its purpose.
BigQuery runs SQL analytics, Dataflow processes streams and batches, Pub/Sub delivers real-time events, and Cloud Storage stores artifacts.
سؤال 21
What is a custom training job on Vertex AI?
Custom training jobs execute your containerized training code on managed compute. AutoML, warehouse queries, and registry entries are different.
سؤال 22
What is AutoML in Vertex AI?
AutoML handles architecture search, training, and tuning for common data types. Storage, load balancing, and roles are unrelated.
سؤال 23
What is Vertex AI hyperparameter tuning?
Hyperparameter tuning runs trials with different values to maximize a target metric. Encryption, versioning, and logging are separate capabilities.
سؤال 24
What is Vertex AI Vizier?
Vizier performs black-box optimization over parameters defined by the user. Views, runtimes, and alert channels are not optimizers.
سؤال 25
What is Vertex AI Explainable AI?
Explainable AI computes attributions such as integrated gradients for predictions. Queues, buckets, and endpoints do not explain predictions.
سؤال 26
What is Vertex AI Forecast?
Vertex AI Forecast builds time-series predictions using historical data. Databases, DNS, and key management are not forecasting services.
سؤال 27
What are Vertex AI Tabular Workflows?
Tabular Workflows package automated pipelines that train and evaluate models on tabular data. Spreadsheets, SQL builders, and firewall rules are unrelated.
سؤال 28
What is a custom training container?
Custom training containers bundle code and dependencies so Vertex AI can run them consistently. Registry policies, empty images, and queues do not train models.
سؤال 29
What is a custom prediction container?
Custom prediction containers let you control dependencies and runtime for model serving. AutoML models, tables, and alerts are different resources.
سؤال 30
Match each model development concept to its purpose.
Custom jobs run your code, AutoML automates training, tuning searches parameters, and Explainable AI provides prediction explanations.
سؤال 31
What does minReplicaCount on a Vertex AI endpoint do?
minReplicaCount keeps a baseline number of replicas warm so latency stays low. Network, epochs, and encryption are separate settings.
سؤال 32
What does maxReplicaCount on a Vertex AI endpoint do?
maxReplicaCount caps autoscaling so cost stays controlled during traffic spikes. Batch size, accuracy, and log storage are different.
سؤال 33
What is GPU quota used for?
GPU quota limits accelerator usage per region and project. Encryption, key rotation, and billing are separate controls.
سؤال 34
What is TPU quota?
TPU quota caps tensor processing unit capacity for training jobs. Version labels, retention, and DNS are unrelated.
سؤال 35
What is batch prediction?
Batch prediction runs offline jobs over large inputs without per-request latency guarantees. Real-time serving, resharding, and compression are different.
سؤال 36
What is online prediction?
Online prediction responds to individual requests quickly. Training, exporting, and backups are not real-time serving.
سؤال 37
What is BigQuery slot autoscaling?
Slot autoscaling automatically adds query capacity when demand rises, up to a configured maximum. Buckets, keys, and functions are separate.
سؤال 38
What does Vertex AI Prediction autoscaling do?
Autoscaling adjusts endpoint replicas in response to traffic while respecting min and max limits. Retraining, formats, and deletion are different.
سؤال 39
What is Dataflow Streaming Engine?
Streaming Engine decouples stream job compute from state, allowing efficient scaling and updates. SQL optimization, serving, and firewalls are unrelated.
سؤال 40
Match each scalability concept to its purpose.
minReplicaCount keeps warm standby, maxReplicaCount sets the ceiling, batch prediction handles bulk inference, and Streaming Engine scales stream processing.
سؤال 41
What is VPC Service Controls?
VPC Service Controls applies perimeters to Google Cloud services so data cannot move outside allowed contexts. GPUs, registries, and warehouses are not perimeters.
سؤال 42
What is a customer-managed encryption key (CMEK)?
CMEK gives customers control over the keys protecting data in supported Google Cloud services. Passwords, firewall rules, and aliases are different.
سؤال 43
What is Cloud KMS?
Cloud KMS manages cryptographic keys and their lifecycle. Pipelines, networks, and billing are unrelated.
سؤال 44
What is a Confidential VM?
Confidential VMs use AMD SEV to encrypt memory in use. Private IPs, batch use, and perimeters address different concerns.
سؤال 45
What is Cloud DLP used for in ML?
Cloud DLP inspects data for sensitive content and applies redaction or masking before use in ML. Scaling, storage, and SQL are separate.
سؤال 46
What is an IAM principal?
IAM principals are identities such as users, groups, service accounts, and workloads. Keys, storage classes, and DNS records are not identities.
سؤال 47
What is a custom service account?
Custom service accounts let workloads use only the permissions required. User accounts, firewalls, and versions are not workload identities.
سؤال 48
What does a private endpoint (Private Service Connect) do for Vertex AI?
Private Service Connect lets clients reach Vertex AI through private IP addresses inside their VPC. Encryption, deletion, and projects are unrelated.
سؤال 49
What is Vertex AI Workbench?
Vertex AI Workbench offers managed notebooks with preinstalled ML tools. Queues, routers, and key management are not notebooks.
سؤال 50
Match each security control to its purpose.
VPC Service Controls builds perimeters, CMEK gives key control, Cloud DLP de-identifies data, and IAM roles control access.
سؤال 51
What does Vertex AI Model Monitoring detect?
Model Monitoring watches input distributions and compares them to training data to detect skew and drift. Billing, routes, and vulnerabilities are separate.
سؤال 52
What is training-serving skew?
Training-serving skew occurs when prediction inputs differ in distribution or processing from training data. Scheduling, policies, and regions are different issues.
سؤال 53
What is data drift?
Data drift means the live data distribution has moved away from what the model was trained on. Corruption, quotas, and networks are unrelated.
سؤال 54
What is the Vertex AI Model Registry?
The Model Registry tracks model versions, aliases, and deployment state. Labeling, GPUs, and logging are different resources.
سؤال 55
What is a model alias?
Aliases let deployments follow a stable name while the underlying version changes. Keys, accounts, and schemas are not model aliases.
سؤال 56
What is continuous training?
Continuous training triggers retraining on a schedule or on new data so models stay current. Manual runs, tuning, and copies are not continuous.
سؤال 57
What is Cloud Logging used for in ML?
Cloud Logging centralizes audit and operational logs from ML resources. Training, routing, and scaling are handled by other services.
سؤال 58
What do Vertex AI Experiments and Metadata track?
Together they capture experiment runs and lineage so teams can reproduce and audit ML workflows. Network, billing, and login data are outside their scope.
سؤال 59
What does Vertex AI Pipelines caching do?
Caching reuses outputs for unchanged steps, saving time and cost. Prediction caching, encryption, and VM sizing are different.
سؤال 60
Match each MLOps concept to its purpose.
Model Monitoring detects skew and drift, the Registry manages versions, caching skips unchanged steps, and Cloud Logging provides an audit trail.