Which two statements about Zones on Cisco Expressways are correct? (Choose two.)

Question

Options

• AYou can register endpoints to default zone.
• BBandwidth for calls between endpoints in the same zone cannot be restricted.
• CEndpoints are associated to default subzone or any customized subzone depending on the IP
• DA neighbor zone connects Cisco Expressway Core to other systems via SIP or H.323.
• EA neighbor zone connects Cisco Expressway Core to Cisco Expressway for NAT, PAT, and

• A
  1% (1)
• B
  94% (63)
• C
  3% (2)
• D
  1% (1)

Explanation

On Cisco Expressway, zones and subzones serve distinct purposes. Statement B is correct: bandwidth restrictions for calls between endpoints within the same zone are not applied at the zone level - intra-zone bandwidth is governed by subzone policies, not inter-zone bandwidth controls, so you cannot restrict it via zone configuration alone. Statement E is correct: a neighbor zone on Expressway-C is used to connect it to the Expressway-E for firewall/NAT traversal purposes (including NAT and PAT traversal), in addition to standard SIP/H.323 peering. Choice A is incorrect - you cannot register endpoints directly to the default zone; endpoints register to subzones. Choice C describes subzone behavior (IP-based subzone assignment), not a zone property. Choice D partially describes neighbor zones but omits the NAT/traversal aspect that makes E the more complete and correct statement.

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