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200-201 Practice Question: A vendor security policy requires that all…

A vendor security policy requires that all third-party remote access be limited to specific IP addresses and use multi-factor authentication. During an audit, it is discovered that a vendor's entire office subnet is allowed instead of individual IPs. The vendor argues that the broader range is necessary for redundancy. What is the best way to handle this from a policy perspective?

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

Work with the vendor to define a list of specific IPs that cover their redundancy needs while adhering to policy

It balances the security policy requirement for specific IPs with the vendor's need for redundancy by collaboratively defining a list of specific IPs that meet both objectives. Option A weakens policy by allowing entire subnets, Option B accepts non-compliance, and Option C is overly rigid and may disrupt operations without addressing the vendor's valid concern.

Answer analysis

Option-by-option breakdown

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

  • Amend the policy to allow entire subnets for vendors with multi-factor authentication

    Why it's wrong here

    Weakening policy sets a bad precedent and increases risk unnecessarily.

  • Accept the subnet as long as multi-factor authentication is used

    Why it's wrong here

    Broader IP range increases attack surface; policy should be maintained.

  • Require the vendor to comply with the existing policy exactly as written

    Why it's wrong here

    Strict enforcement may disrupt operations if redundant IPs are needed; a collaborative solution is better.

  • Work with the vendor to define a list of specific IPs that cover their redundancy needs while adhering to policy

    Why this is correct

    This balances security requirements with operational needs and ensures policy compliance.

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)

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.