Which of the following security controls will MOST likely mitigate the VoIP DOS attacks on the network?

Wireless users are reporting issues with the company’s video conferencing and VoIP systems.
The security administrator notices DOS attacks on the network that are affecting the company’s
VoIP system (i.e. premature call drops and garbled call signals). The security administrator also
notices that the SIP servers are unavailable during these attacks. Which of the following security
controls will MOST likely mitigate the VoIP DOS attacks on the network? (Select TWO).

Wireless users are reporting issues with the company’s video conferencing and VoIP systems.
The security administrator notices DOS attacks on the network that are affecting the company’s
VoIP system (i.e. premature call drops and garbled call signals). The security administrator also
notices that the SIP servers are unavailable during these attacks. Which of the following security
controls will MOST likely mitigate the VoIP DOS attacks on the network? (Select TWO).

A.
Configure 802.11b on the network

B.
Configure 802.1q on the network

C.
Configure 802.11e on the network

D.
Update the firewall managing the SIP servers

E.
Update the HIDS managing the SIP servers



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