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Network and Communications SecuritymediumMultiple ChoiceObjective-mapped

SSCP Network and Communications Security Practice Question

An attacker is performing a man-in-the-middle attack at Layer 2 by sending forged ARP messages to associate their MAC address with the IP address of a legitimate host on the same subnet. This attack is known as:

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

ARP spoofing

ARP spoofing involves sending gratuitous ARP replies to poison the ARP cache of other hosts.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ARP spoofing

    Why this is correct

    ARP spoofing sends fake ARP messages to perform MitM.

  • DNS poisoning

    Why it's wrong here

    DNS poisoning targets DNS cache.

  • DHCP spoofing

    Why it's wrong here

    DHCP spoofing uses rogue DHCP server.

  • MAC flooding

    Why it's wrong here

    MAC flooding fills switch CAM table.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

Quick reference

Access Control Model Comparison

ModelAcronymWho Controls Access?Best For
Discretionary Access ControlDACResource ownerSmall teams, file shares
Mandatory Access ControlMACSystem / security labelsClassified govt / military
Role-Based Access ControlRBACAdministrator (via roles)Enterprise environments
Attribute-Based Access ControlABACPolicy engine (user + resource attributes)Fine-grained, dynamic policies
Rule-Based Access ControlRuBACSystem rules / ACLsFirewall rules, network ACLs

About these practice questions

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.