300-320 · Question #178
Which two benefits are achieved if a network is designed properly with a structured addressing scheme? (Choose two.)
The correct answer is A. efficient ACLs D. easier troubleshooting. A structured, hierarchical addressing scheme directly enables more efficient ACLs and simplifies troubleshooting by making address ranges predictable and summarizable.
Question
Which two benefits are achieved if a network is designed properly with a structured addressing scheme? (Choose two.)
Options
- Aefficient ACLs
- Bimproved redundancy
- Chardened security
- Deasier troubleshooting
- Eadded resiliency
How the community answered
(48 responses)- A88% (42)
- B4% (2)
- C2% (1)
- E6% (3)
Why each option
A structured, hierarchical addressing scheme directly enables more efficient ACLs and simplifies troubleshooting by making address ranges predictable and summarizable.
When addresses are assigned in contiguous, summarizable blocks by function or location, ACL entries can use a single network statement to permit or deny entire address ranges, reducing ACL complexity and processing overhead.
Redundancy is a function of physical topology design and routing protocol configuration, not of the IP addressing scheme itself.
Security hardening comes from implementing firewalls, ACLs, and security policies; a structured address plan supports ACL efficiency but does not independently harden security.
Logical, predictable address groupings allow engineers to quickly identify which network segment an IP belongs to, narrowing down fault domains and dramatically reducing troubleshooting time.
Resiliency depends on redundant links, devices, and failover mechanisms in the network design, not on how IP addresses are structured.
Concept tested: Benefits of hierarchical structured IP addressing
Source: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Network_Virtualization/PathSol/Network_Addr.html
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