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CV0-003 · Question #161

Which of the following does the administrator use to consolidate all the VMs into a single IP while allowing access to the Internet?

The correct answer is B. VLAN. A VLAN segments VMs into a unified logical network, grouping them under a shared network boundary and routing their traffic through a common gateway for internet access.

Operations

Question

Which of the following does the administrator use to consolidate all the VMs into a single IP while allowing access to the Internet?

Options

  • ADNS
  • BVLAN
  • CNAT
  • DDHCP

How the community answered

(35 responses)
  • A
    6% (2)
  • B
    91% (32)
  • C
    3% (1)

Why each option

A VLAN segments VMs into a unified logical network, grouping them under a shared network boundary and routing their traffic through a common gateway for internet access.

ADNS

DNS translates hostnames to IP addresses and plays no role in grouping VMs into a shared network or routing their traffic to the internet.

BVLANCorrect

A VLAN (Virtual Local Area Network) creates a logical Layer 2 broadcast domain that groups VMs into a single unified network segment, presenting them as a cohesive network to external systems and routing outbound traffic through a shared gateway interface. This logical grouping effectively consolidates VM traffic onto one network path to the internet. VLANs are the primary mechanism in virtualized environments for segmenting and unifying VM network traffic under a single logical network boundary.

CNAT

NAT translates private IP addresses to a public IP for internet-bound traffic, but it operates at the address-translation layer and is not the mechanism used to segment and group VMs into a unified logical network.

DDHCP

DHCP automatically assigns IP addresses to VMs but does not create a logical network grouping or provide a mechanism for routing consolidated VM traffic to the internet.

Concept tested: VLAN logical network segmentation for VM traffic consolidation

Source: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_52_se/configuration/guide/3750scg/swvlan.html

Topics

#NAT#IP consolidation#virtual networking#internet access

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