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Free EGMP2201 Exam Braindumps (page: 4)

Page 3 of 18
PDF with 65 Questions

All editors reconcile and post their versions daily. Other users create read-only versions for analysis purposes, so they do not reconcile and post those versions. The geodatabase administrator compresses the geodatabase nightly. For several months, performance steadily worsens.

Which action should be taken?

  1. Reconcile the read-only versions
  2. Create a database view
  3. Disable editor tracking

Answer(s): A

Explanation:

Scenario Overview:

Editors reconcile and post daily, but read-only versions created for analysis are not reconciled or posted.
The geodatabase is compressed nightly, but performance continues to degrade.
Cause of the Problem:

Unreconciled versions, including read-only ones, persist in the state tree, preventing the geodatabase compression from fully collapsing unused states. Over time, this results in a bloated state tree and worsened performance.
Solution:

Reconciling and posting the read-only versions ensures that the state tree is cleared of unnecessary versions, enabling compression to collapse the database to its optimal state.
(ArcGIS Documentation: Reconcile and Post)
Alternative Options:

Option B: Creating a database view provides a read-only representation of data but does not address the underlying issue of unresolved states in the state tree. Option C: Disabling editor tracking is unrelated to state tree performance issues and has no impact on the reconciliation or compression processes.
Therefore, reconciling the read-only versions will significantly improve performance.



A GIS analyst creates a join relationship between a large dataset and a nonspatial table to calculate an attribute field. Upon building the join, the analyst receives an error message stating that the join field <value> in the join table <value> is not indexed.
Which tool should the analyst run?

  1. Add Spatial Index
  2. Add Attribute Index
  3. Rebuild Indexes

Answer(s): B

Explanation:

Scenario Overview:

The analyst creates a join between a large dataset and a nonspatial table to calculate an attribute field.
An error occurs, indicating that the join field is not indexed.
Cause of the Problem:
Joins between datasets rely on indexed fields to optimize the join operation. Without an index, the system must perform a full table scan, which can lead to errors or slow performance when working with large datasets.
Solution:
Running the Add Attribute Index tool creates an index on the join field, enabling efficient joining operations.
(ArcGIS Documentation: Attribute Indexes)
Steps to Resolve:

Open the Add Attribute Index tool in ArcGIS Pro.
Select the nonspatial table as the input dataset.
Choose the field used in the join operation as the field to index.
Run the tool to create the attribute index.
Alternative Options:
Option A: Add Spatial Index is irrelevant for nonspatial data. Option C: Rebuild Indexes reorganizes existing indexes but cannot create new ones, which is required here.
Thus, the analyst should run the Add Attribute Index tool to resolve the error.



A user plans to use a standard database view of a roads feature class from a geodatabase that is different from the primary enterprise geodatabase. Roads is frequently edited in the parent geodatabase, so the user needs to regularly synchronize and have the view recognize all incoming edits immediately.
Which replica type should be used?

  1. One-way replica with the simple model
  2. One-way replica with the full model
  3. Two-way replication simple model

Answer(s): B

Explanation:

Scenario Overview:
The user requires a standard database view of the roads feature class that resides in a different geodatabase from the primary enterprise geodatabase.
The roads feature class is frequently edited, and the user needs the view to recognize updates immediately.
Replica Types in ArcGIS:
One-way replication with the full model is suitable for scenarios where the parent geodatabase sends updates to the child geodatabase, and all schema and data changes are synchronized. In the full model, the child database retains versioning and acknowledges updates as they occur in the parent database, enabling the user to see immediate updates in their standard view. (ArcGIS Documentation: Geodatabase Replication Types) Key Features of the Full Model:
Synchronizes both schema and data changes.
Suitable for feature classes with frequent edits.
Ensures that the standard database view reflects updates immediately upon synchronization.
Alternative Options:
Option A: The simple model in one-way replication supports data-only synchronization and does not update schema changes, making it insufficient for dynamic environments. Option C: Two-way replication is unnecessary since the edits occur only in the parent geodatabase. Thus, one-way replication with the full model is the appropriate choice to meet the requirement.



A GIS data administrator is unable to upgrade the geodatabase while editors have active sessions and are working on editing workflows.
What should the editors do?

  1. Reconcile and post edit versions
  2. Disconnect from their active session
  3. Save edits and stop editing session

Answer(s): B

Explanation:

Scenario Overview:
The GIS data administrator is unable to upgrade the geodatabase because editors have active sessions and are working on editing workflows.
Active connections lock the geodatabase, preventing upgrades or maintenance operations.
Solution:
Editors must disconnect from their active session to allow the geodatabase upgrade to proceed. Disconnecting ensures no locks are held on the database objects. The administrator can also use Geodatabase Administration tools to manually disconnect all users if necessary.
(ArcGIS Documentation: Disconnect Users)
Alternative Options:
Option A: Reconcile and post edit versions is unnecessary as the issue is related to active database sessions, not data versioning.
Option C: Saving edits and stopping editing sessions alone does not close the database connection, leaving locks in place.
Therefore, editors must disconnect from their active session for the geodatabase upgrade to proceed.






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