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Microsoft AB-100 Practice Test 53

Question 520

A refunds assistant processes 1,000 requests monthly, saving eight minutes of reviewer time on each. Reviewer labor costs $45/hour. Inference and supervision cost $2,000 monthly. What is its annual net saving?

  1. $4,000 per year.
  2. $48,000 per year.
  3. $72,000 per year.
  4. $24,000 per year.

Explanation

Correct Answer

B:

The 8,000 minutes saved equal 133⅓ hours monthly or $6,000 gross; deducting $2,000 monthly yields $48,000 over twelve months.

Incorrect Answers

A:

The $4,000 difference is a monthly net figure and must be multiplied by twelve.

C:

This is the annualized gross reviewer saving and excludes the stated monthly inference and supervision costs.

D:

That equals the yearly operating expense rather than the resulting net financial saving.

Question 521

A claim-document classifier avoids $4.50 of manual handling on each of 12,000 cases per year. Licensing costs $20,000 annually and exception reviewers cost $10,000 annually. Ignoring other effects, what is the annual net benefit?

  1. $30,000.
  2. $44,000.
  3. $24,000.
  4. $54,000.

Explanation

Correct Answer

C:

Gross avoided work is 12,000 × $4.50 = $54,000; deduct $30,000 in recurring costs to obtain $24,000.

Incorrect Answers

A:

The combined licensing and exception-review expense is a cost, not the net benefit.

B:

This subtracts only one cost line rather than both the $20,000 license and $10,000 review expense.

D:

That counts only avoided manual handling and ignores the two documented recurring costs.

Question 522

A self-service assistant handles 6,000 queries yearly, saves three employee minutes each, and labor is valued at $80/hour. Annual platform cost is $15,000. What is the net annual value?

  1. $24,000.
  2. $15,000.
  3. $1,500.
  4. $9,000.

Explanation

Correct Answer

D:

The 18,000 saved minutes equal 300 hours worth $24,000; subtracting $15,000 leaves $9,000.

Incorrect Answers

A:

This is gross labor value before subtracting the stated platform operating cost.

B:

The platform bill is an expense and does not equal the net result of the saved labor.

C:

This undercounts the converted annual analyst hours and is not the labor minus recurring-cost calculation.

Question 523

Option A costs $25,000 to develop plus $20,000 annually to maintain. Option B costs $5,000 to integrate plus $30,000 annually to license. Ignoring discounting, which is cheaper over three years?

  1. Option A by $10,000.
  2. Option B by $20,000.
  3. They tie at $90,000.
  4. Option A by $30,000.

Explanation

Correct Answer

A:

Three-year TCO is $85,000 for A and $95,000 for B, so the custom build costs $10,000 less.

Incorrect Answers

B:

The smaller initial integration fee is offset by larger recurring licensing over three years.

C:

Neither calculated total equals $90,000 when upfront and three annual payments are included.

D:

This exceeds the actual difference between $85,000 and $95,000 in total ownership cost.

Question 524

For a two-year agent pilot, custom development costs $100,000 plus $10,000 per year, while a prebuilt service costs $15,000 setup plus $55,000 per year. Which option has lower two-year TCO?

  1. Custom development by $20,000.
  2. Custom development by $5,000.
  3. Prebuilt by $85,000.
  4. Both options tie at $125,000.

Explanation

Correct Answer

B:

The build totals $120,000 and the prebuilt option $125,000 when both setup and two annual payments are included.

Incorrect Answers

A:

The actual two-year difference is only $5,000 after recurring charges are calculated.

C:

This compares only the upfront fees and omits the much higher annual prebuilt service charge.

D:

The prebuilt total is $125,000 but custom sums to $120,000, not the same amount.

Question 525

A SaaS agent charges $8,000 setup, $12,000 fixed annually, and $0.08 per task for 200,000 tasks annually. A custom build costs $62,000 upfront plus $14,000 yearly. Which is cheaper over three years?

  1. SaaS by $54,000.
  2. Both tie at $104,000.
  3. The SaaS agent by $12,000.
  4. Custom by $16,000.

Explanation

Correct Answer

C:

SaaS has $16,000 yearly usage plus $12,000 fixed, totaling $92,000 over three years; custom totals $104,000.

Incorrect Answers

A:

The SaaS plan still has substantial recurring costs, so its $8,000 setup fee is not total ownership cost.

B:

The custom total is $104,000, but SaaS is $92,000 at the stated activity volume.

D:

That uses a one-year usage cost as the total-cost difference and omits the full lifecycle comparison.

Question 526

A support agent costs $0.04 per successfully processed ticket with no minimum. A competing service charges $30,000 fixed annually. Annual demand is forecast at 500,000 tickets but could triple. What economic risk should the architect quantify?

  1. Assume the per-ticket option always costs less because its initial expense is zero.
  2. Assume the fixed service always costs less because it has a larger published annual price.
  3. Choose based only on the number of agent configuration screens rather than consumption risk.
  4. The workload-volume crossover and expected annual spending under baseline and high-demand scenarios.

Explanation

Correct Answer

D:

Variable costs would be $20,000 at baseline and $60,000 at triple volume, changing which option is cheaper.

Incorrect Answers

A:

At 1.5 million tickets the metered charge rises above the fixed service cost.

B:

At 500,000 tickets the metered alternative costs $10,000 less than the $30,000 fixed fee.

C:

UI complexity does not determine variable exposure to ticket volume or total operating cost.

Question 527

A sales department already has an approved Copilot agent with customer-record lookup and role trimming. The new requirement adds one read-only contract-status field exposed by a supported connector. What cost-focused decision fits?

  1. Extend the existing agent and test the new scoped field against users with and without contract rights.
  2. Build a new independent portal solely to present the same field under a different color scheme.
  3. Fine-tune a foundation model to memorize the contract status instead of using the approved connector.
  4. Grant every salesperson full contract-administrator privileges to simplify the extension.

Explanation

Correct Answer

A:

A supported additive read contract usually avoids duplicating the existing application, identity and maintenance stack.

Incorrect Answers

B:

A presentation preference does not establish business value sufficient to replicate security and support systems.

C:

A changing private status should be queried from its current source of record rather than embedded in weights.

D:

The scope must still follow each user’s actual access rights even when a field is easy to add.

Question 528

A national utility needs an isolated on-premises service with no outbound network and a mandated local audit format. The available prebuilt SaaS agent cannot operate without cloud calls. Which choice is justified?

  1. Grant the hosted agent a permanent administrator token as a substitute for outbound connectivity.
  2. Evaluate a compliant locally deployable build or supported component that satisfies the hard offline and audit contracts.
  3. Select SaaS anyway because it is less expensive before adding infrastructure costs.
  4. Cache the hosted agent’s last response and describe it as current for all future service events.

Explanation

Correct Answer

B:

A non-negotiable no-network requirement is a real fit gap that a hosted-only solution cannot satisfy.

Incorrect Answers

A:

Credentials cannot create a network path and add security risk without resolving offline execution.

C:

Even low subscription cost cannot make a mandatory network dependency work in an isolated environment.

D:

Past generated text cannot handle new operational events or provide the required auditable decision context.

Question 529

A custom customer-service agent matches a prebuilt product’s answers but requires a new support team. The prebuilt option has an existing CRM integration and approved escalation path. Which TWO decision criteria matter most? (Select TWO.)

  1. Compare proven integration, permissions and human-escalation acceptance against the actual business requirement.
  2. Prefer custom solely because it produces more source-code files and integration endpoints.
  3. Prefer prebuilt solely because it has the largest vendor marketing brochure.
  4. Ignore the cost of migrating historical case state when switching systems.
  5. Quantify lifetime implementation, licensing, model-operations and support costs for both alternatives.

Explanation

Correct Answers

A:

An existing validated CRM handoff is a functional asset that a replacement must match or improve.

E:

True cost includes new team ownership and recurring operations, not only the initial programming effort.

Incorrect Answers

B:

Implementation volume is not a measure of incremental value or safer service outcomes.

C:

Product promotion does not establish fit for the organization’s real customer workflow and risk controls.

D:

Legacy data and transition support can materially affect total ownership and cutover risk.

Question 530

A finance team wants to add a supplier-risk summary. It can extend a supported in-app agent or replace the entire process with a custom portal. What must the economic evaluation include?

  1. Only the custom model’s per-token price because all other application functions are already implemented.
  2. The number of prompt templates, without comparing user outcomes or operating cost.
  3. Assume a product replacement automatically inherits every role and audit configuration from the prior application.
  4. Training, identity integration, data migration, downtime, ongoing support and the value of any unsupported requirement.

Explanation

Correct Answer

D:

A replacement has organizational and operational transition costs beyond its API or model price.

Incorrect Answers

A:

A new portal still needs identity, audit, maintenance and business process integration.

B:

Template counts do not show the real costs of either maintaining or migrating the process.

C:

Access and evidence controls must be deliberately migrated and revalidated; identical names do not prove parity.


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