CV0-003 · Question #115
Which of the following is a zone, within a network, that is MOST likely to be accessed by both internal and external hosts?
The correct answer is C. DMZ. A DMZ is a perimeter network segment specifically architected to be reachable from both the internal trusted network and the external internet, making it the correct answer. It hosts public-facing services while providing a security boundary that separates them from the…
Question
Which of the following is a zone, within a network, that is MOST likely to be accessed by both internal and external hosts?
Options
- AIntranet
- BVPN
- CDMZ
- DManagement VLAN
How the community answered
(70 responses)- A3% (2)
- B1% (1)
- C91% (64)
- D4% (3)
Why each option
A DMZ is a perimeter network segment specifically architected to be reachable from both the internal trusted network and the external internet, making it the correct answer. It hosts public-facing services while providing a security boundary that separates them from the internal network.
An intranet is a private internal network accessible only to authorized employees and internal systems; it is intentionally isolated from external hosts on the public internet.
A VPN extends private network connectivity to authenticated remote users over an encrypted tunnel but does not define a shared zone that unauthenticated external hosts can access directly.
A DMZ (Demilitarized Zone) is a network zone positioned between internal and external firewall boundaries, with rules that permit both internal users and external internet hosts to access services hosted there - such as web servers, mail relays, and DNS - while preventing direct external access to the internal network.
A management VLAN is a dedicated internal segment used to administer network infrastructure devices such as switches and routers; it is isolated from external access as a fundamental security control.
Concept tested: DMZ as a dual-access perimeter network zone
Source: https://www.cisco.com/c/en/us/support/docs/security/pix-500-series-security-appliances/62829-pix-dmz.html
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