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Cisco 200-301 Exam - Topic 1 Question 129 Discussion

Posted by Cornell on Sep 27, 2026 at 12:31 AM

Refer to the exhibit.

Refer to the exhibit. This ACL is configured to allow client access only to HTTP, HTTPS, and DNS services via UDP. The new administrator wants to add TCP access to the DNS service. Which configuration updates the ACL efficiently?

Suggested Answer: A

ip access list extended Services35 permit tcp 10.0.0.0 0.255.255.255 host 198.51.100.11 eq domain. Cisco wireless design separates RF behavior, client authentication, encryption, AP operating mode, and controller management. A WLC centralizes WLAN configuration and AP control, while lightweight APs use CAPWAP to register and exchange control/data information with the controller. Security choices such as WPA2/AES and WPA3/SAE are not interchangeable with older mechanisms such as WEP, TKIP, or RC4. RF questions also depend on channel planning: adjacent cells should avoid overlapping channels, and 5-GHz preference features reduce congestion in the 2.4-GHz band. The incorrect options generally confuse AP mode, authentication, encryption, or controller responsibilities. Cisco CCNA 200-301 v1.1 includes these items because wireless failures often come from using the right-looking feature in the wrong part of the WLAN design. The selected answer is the Cisco-consistent configuration or behavior for this wireless scenario.


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5 comments · newest first
CH
Chantell 5 days ago
Option C adds TCP for DNS, seems straightforward.
LO
Lorenza 10 days ago
I’m a bit confused about the order of operations here. Should we really be using "no" commands like in option D, or is that overkill for just adding TCP access?
AN
Annamae 15 days ago
I feel like we discussed the importance of keeping the ACL efficient, so maybe option C is the best choice since it doesn't seem to complicate things too much.
ES
Estrella 20 days ago
I think option A looks familiar, but I can't recall if it was the right way to add TCP for DNS without messing up the current settings.
DA
Dahlia 26 days ago
I remember we practiced adding TCP rules to ACLs, but I'm not sure if we need to remove the existing UDP rule first.
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