This 350-601 practice question tests your understanding of 350-601 exam topics. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An engineer is configuring iSCSI multipath I/O (MPIO) for a storage array. The initiator has two NICs connected to two different switches, and the target has two iSCSI ports on different subnets. Which condition must be met for MPIO to function correctly?
CHAP authentication must be disabled.
Why wrong: CHAP is for authentication and does not affect MPIO functionality.
Each path must be on a separate subnet.
Separate subnets ensure distinct paths for MPIO.
Both paths must be on the same subnet.
Why wrong: Same subnet can cause issues with ARP and routing for MPIO.
Jumbo frames must be enabled on all interfaces.
Why wrong: Jumbo frames are not a requirement for MPIO.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Each path must be on a separate subnet.
MPIO requires that the initiator and target have multiple paths that are not on the same subnet to avoid routing issues. Typically, each path should be on a separate subnet.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
CHAP authentication must be disabled.
Why it's wrong here
CHAP is for authentication and does not affect MPIO functionality.
Each path must be on a separate subnet.
Why this is correct
Separate subnets ensure distinct paths for MPIO.
Related concept
CIDR notation defines the prefix length.
Both paths must be on the same subnet.
Why it's wrong here
Same subnet can cause issues with ARP and routing for MPIO.
Jumbo frames must be enabled on all interfaces.
Why it's wrong here
Jumbo frames are not a requirement for MPIO.
Common exam traps
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related 350-601 subnetting questions on CIDR, address ranges, and subnet selection.
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FAQ
CIDR notation defines the prefix length.
The correct answer is: Each path must be on a separate subnet. — MPIO requires that the initiator and target have multiple paths that are not on the same subnet to avoid routing issues. Typically, each path should be on a separate subnet.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related 350-601 subnetting questions on CIDR, address ranges, and subnet selection.
CIDR notation defines the prefix length.
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Last reviewed: Jul 4, 2026
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