200-155 · Question #10
Which statement about a bridge domain is true?
The correct answer is C. A bridge domain typically has at least one subnet that Is associated with it. In network virtualization contexts, a bridge domain defines a broadcast domain and typically has at least one associated subnet for IP address management.
Question
Which statement about a bridge domain is true?
Options
- AA bridge domain must be liked to one internal network and one external network
- BA bridge domain must be linked to a physical domain
- CA bridge domain typically has at least one subnet that Is associated with it
- DA bridge domain must have at least one external network that is associated with it
How the community answered
(40 responses)- B3% (1)
- C93% (37)
- D5% (2)
Why each option
In network virtualization contexts, a bridge domain defines a broadcast domain and typically has at least one associated subnet for IP address management.
A bridge domain is not mandated to be linked to one internal and one external network; its core function is to define a broadcast domain, which may or may not include external connectivity.
While bridge domains exist within a larger network design, they are not directly and mandatorily linked to a physical domain; physical domains primarily define pools of physical resources.
A bridge domain commonly includes one or more subnets associated with it, which provide IP addressing within that specific broadcast domain for endpoints and routing purposes.
A bridge domain does not necessarily require an external network association; it can serve purely internal communication requirements within a tenant.
Concept tested: Bridge domain characteristics
Source: https://www.cisco.com/c/en/us/solutions/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html
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