200-301 · Question #739
Which component of a routing table entry represents the subnet mask?
The correct answer is D. network mask. This question asks for the routing table entry component that defines the subnet mask.
Question
Options
- Arouting protocol code
- Bprefix
- Cmetric
- Dnetwork mask
How the community answered
(36 responses)- B6% (2)
- C3% (1)
- D92% (33)
Why each option
This question asks for the routing table entry component that defines the subnet mask.
The 'routing protocol code' indicates the source of the routing information, not the subnet mask.
The 'prefix' combines the network address and its length (e.g., /24), implicitly defining the mask, but it is not the mask component itself.
The 'metric' is a value used by routing protocols to determine the best path to a destination network, not the subnet mask.
The 'network mask' (or subnet mask) component in a routing table entry specifies which portion of an IP address corresponds to the network ID, determining the size of the network or subnet.
Concept tested: Routing table components (subnet mask)
Source: https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/16448-configure-rip.html#anc11
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