CAS-002 · Question #567
An ISP is peering with a new provider and wishes to disclose which autonomous system numbers should be allowed through BGP for network transport. Which of the following should contain this…
The correct answer is B. Interconnection Security Agreement. An Interconnection Security Agreement (ISA) defines the technical and security parameters governing how two organizations interconnect their networks, including permitted ASNs for BGP peering.
Question
An ISP is peering with a new provider and wishes to disclose which autonomous system numbers should be allowed through BGP for network transport. Which of the following should contain this information?
Options
- AMemorandum of Understanding
- BInterconnection Security Agreement
- COperating Level Agreement
- DService Level Agreement
How the community answered
(26 responses)- A4% (1)
- B92% (24)
- C4% (1)
Why each option
An Interconnection Security Agreement (ISA) defines the technical and security parameters governing how two organizations interconnect their networks, including permitted ASNs for BGP peering.
A Memorandum of Understanding is a non-binding statement of mutual intent and general cooperation goals; it does not contain technical specifications such as permitted ASNs or routing policies.
An Interconnection Security Agreement is specifically designed to document the security and technical requirements when two networks interconnect, such as ISP peering arrangements. It formally captures which autonomous system numbers are authorized for BGP advertisement and transit, establishing the rules that govern the technical boundary between the two organizations' networks.
An Operating Level Agreement is an internal agreement between IT service groups within the same organization defining support responsibilities, not a document governing external network interconnections.
A Service Level Agreement defines measurable service performance metrics (uptime, latency, throughput) between a provider and customer, not the technical security parameters of a network peering arrangement.
Concept tested: Interconnection Security Agreement for BGP peering authorization
Source: https://csrc.nist.gov/glossary/term/interconnection_security_agreement
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