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Cisco 500-220 Exam - Topic 2 Question 100 Discussion

Posted by Mariko on Jul 16, 2026 at 06:30 PM

Which two features and functions are supported when using an MX appliance in Passthrough mode? (Choose two.)

Suggested Answer: A, B

These are the two features and functions that are supported when using an MX appliance in Passthrough mode. According to the [MX Addressing and VLANs] article, Passthrough mode allows the MX appliance to act as a layer 2 bridge, passing traffic between its LAN and WAN ports without performing any routing or address translation. However, some features such as intrusion prevention and site-to-site VPN are still available in this mode.


Passthrough_Mode_on_the_MX_Security_Appliance_and_Z-series_Teleworker_Gateway

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12 comments · newest first
XU
Xuan 1 month ago
I agree with A and E. High availability is key for reliability in passthrough mode.
KA
Kayleigh 2 months ago
I feel like B and D could be valid too. Site-to-site VPN is important for connections.
DA
Darrin 2 months ago
I think A and E are the right choices. Intrusion prevention is crucial.
AN
Annelle 2 months ago
Yup, definitely A and D!
ST
Stefanie 2 months ago
I thought high availability was a feature too?
WE
Wendell 2 months ago
Wait, are you sure about the DHCP part?
LY
Lyla 2 months ago
Totally agree with that!
RO
Roslyn 3 months ago
A) intrusion prevention and D) DHCP are supported.
AN
Anabel 3 months ago
I’m confused about the secondary uplinks; I thought they were only relevant in certain modes, so I’m leaning towards A and E.
TA
Tamesha 3 months ago
I practiced a question like this, and I think high availability is definitely supported in Passthrough mode, but I can't recall the second feature.
LA
Lanie 3 months ago
I'm not entirely sure, but I feel like site-to-site VPN could be one of the options since it’s often mentioned in similar questions.
FL
Flo 3 months ago
I think I remember that Passthrough mode doesn't support all features, so maybe A and D?
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