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NET+ N10-009 V9 Networking concepts Runs in your browser · no setup Original practice · Review pending

Build a VLSM branch addressing plan

Allocate a /24 without overlap, identify valid host addresses, and derive a correct DHCP scope.

Estimated15 min
DifficultyAdvanced
Points9
Scenario brief

Briar County Arts is opening a branch with 10.50.8.0/24. Allocate from the lowest available address upward, largest subnet first. Each segment needs the stated usable hosts today; do not overlap or consume the next subnet.

Content record

Original practice · Review pending

Mapped to CompTIA N10-009 objectives · Internal validation 2026-08-13 · Original ITForMe practice mapped to published objectives; not an official exam question. A named independent subject-matter expert has not yet verified the question and answer key.

Community review →
1.7Given a scenario, use appropriate IPv4 network addressing.
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Method: Mapped to N10-009 objective 1.7; VLSM boundaries, usable ranges, gateway selection, and DHCP values were independently recalculated from the supplied /24.

Current-profile check: 2026-08-12 · Next review due 2027-02-08

01

Inspect the evidence

Use only the information provided to complete the tasks.

Addressing requirements

table
SegmentUsable hosts requiredGateway convention
Design90First usable
Voice45First usable
Management20First usable
Router transit2First usable on BR1

If columns are offscreen, scroll sideways or focus the table and use arrow keys.

Voice DHCP requirements

list
  • ›Reserve the first 11 usable addresses for the gateway and infrastructure.
  • ›Handsets use the Voice gateway as their default router.
  • ›Do not place a broadcast or network address in the pool.
02

Complete the response

Partial credit is available for matching, ordering, and multi-select tasks.

Changes will save automatically.
01
matching

Match each segment to its VLSM allocation under the stated rules.

4 pts
Need a hint?

Start with the row and choice that have the most distinctive purpose, then use that pair to narrow the rest.

Show another hint

For each remaining pair, explain the relationship in one sentence before selecting it.

02
single choice

Which address is the required Voice gateway?

2 pts
Need a hint?

Restate the exact outcome or failure the prompt asks about before comparing choices.

Show another hint

Eliminate choices that solve a nearby problem, change more than requested, or do not fit the evidence.

03
multi select

Select the THREE values that belong in the Voice DHCP configuration.

3 pts
Need a hint?

Evaluate each option independently against the scenario evidence instead of treating the list as one decision.

Show another hint

Choose only options that directly satisfy the prompt; being generally true is not enough.

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