Gce Model Questions Vol1 2024 Computer Studies Question 9

Practice objective / multiple choice question 9 from the 2024 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2024 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 9 GCE_MODEL_QUESTIONS_VOL1 • 2024 • COMPUTER_STUDIES • objective

A small office is allocated the class‑B address block \(172.16.0.0/16\). It needs three subnets for the departments Admin (50 hosts), Sales (120 hosts) and R&D (30 hosts). Each department will use a star topology internally. Determine (a) the subnet mask (in dotted‑decimal notation) that can accommodate all three subnets with minimal waste, and (b) the network address and first usable host address for each department's subnet, allocating the subnets sequentially from the start of the address block.

Answer Options

A. Subnet mask: 255.255.255.128 Admin subnet: 172.16.0.0/25, first host 172.16.0.2 Sales subnet: 172.16.0.128/25, first host 172.16.0.130 R&D subnet: 172.16.1.0/25, first host 172.16.1.2
B. Subnet mask: 255.255.255.0 Admin subnet: 172.16.0.0/24, first host 172.16.0.1 Sales subnet: 172.16.1.0/24, first host 172.16.1.1 R&D subnet: 172.16.2.0/24, first host 172.16.2.1
Correct Answer C. Subnet mask: 255.255.255.128 Admin subnet: 172.16.0.0/25, first host 172.16.0.1 Sales subnet: 172.16.0.128/25, first host 172.16.0.129 R&D subnet: 172.16.1.0/25, first host 172.16.1.1
D. Subnet mask: 255.255.255.128 Admin subnet: 172.16.0.128/25, first host 172.16.0.129 Sales subnet: 172.16.1.0/25, first host 172.16.1.1 R&D subnet: 172.16.0.0/25, first host 172.16.0.1
Correct Answer
C
Correct Option:
Subnet mask: 255.255.255.128 Admin subnet: 172.16.0.0/25, first host 172.16.0.1 Sales subnet: 172.16.0.128/25, first host 172.16.0.129 R&D subnet: 172.16.1.0/25, first host 172.16.1.1

About This Question

This is Gce Model Questions Vol1 2024 Computer Studies Question 9. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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