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SY0-301 · Question #27

Pete, a network administrator, is capturing packets on the network and notices that a large amount of the traffic on the LAN is SIP and RTP protocols. Which of the following should he do to segment…

The correct answer is B. Create a voice VLAN. SIP (Session Initiation Protocol) and RTP (Real-time Transport Protocol) are the core protocols used by VoIP (Voice over IP) systems. Best practice is to isolate voice traffic from data traffic using a dedicated voice VLAN. This segmentation improves call quality by reducing…

Security architecture

Question

Pete, a network administrator, is capturing packets on the network and notices that a large amount of the traffic on the LAN is SIP and RTP protocols. Which of the following should he do to segment that traffic from the other traffic?

Options

  • AConnect the WAP to a different switch.
  • BCreate a voice VLAN.
  • CCreate a DMZ.
  • DSet the switch ports to 802.1q mode.

How the community answered

(14 responses)
  • B
    93% (13)
  • C
    7% (1)

Explanation

SIP (Session Initiation Protocol) and RTP (Real-time Transport Protocol) are the core protocols used by VoIP (Voice over IP) systems. Best practice is to isolate voice traffic from data traffic using a dedicated voice VLAN. This segmentation improves call quality by reducing congestion and broadcast interference, and it enhances security by limiting what devices can interact with the VoIP infrastructure. Connecting a WAP to a different switch addresses wireless access, not VoIP segmentation. A DMZ is used for publicly accessible servers, not internal voice traffic. Setting ports to 802.1q mode enables VLAN trunking, which is a mechanism used to carry multiple VLANs-but it alone does not create the voice VLAN.

Topics

#VLAN#network segmentation#VoIP#SIP/RTP

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