Discuss CWNP CWNA-109 Exam Topic 2 Question 29

Option 43 must be configured to allow access points to locate controllers. In what network service should this option be configured?

ADNS

BLDAP

CDHCP

DRADIUS

Suggested Answer: C

DHCP (Dynamic Host Configuration Protocol) is the network service where option 43 must be configured to allow access points to locate controllers. DHCP is a protocol that allows a device to obtain an IP address and other network configuration parameters from a server. In a wireless controller scenario, the access points can use DHCP to request an IP address from a DHCP server, which can also provide the IP address or hostname of the wireless controller as an option in the DHCP response. Option 43 is a vendor-specific option that can be used to encode custom information for different types of devices. For example, Cisco access points can use option 43 to receive the IP address of the wireless controller from the DHCP server, while Aruba access points can use option 43 to receive the hostname of the wireless controller from the DHCP server.This way, the access points can discover the wireless controller and establish a connection with it.Reference:1, Chapter 8, page 309;2, Section 5.2

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32 comments · newest first

Curt 10 months ago

Sounds too easy, but I guess it makes sense.

Omer 10 months ago

Yeah, DHCP is the right choice here.

Graciela 10 months ago

I thought it was DNS at first.

Sage 10 months ago

Wait, are we sure it’s not LDAP?

Marge 11 months ago

It’s definitely DHCP!

Leslie 11 months ago

I feel like I've seen something similar in our study materials, and it pointed towards DHCP for configuration.

Izetta 11 months ago

I'm a bit confused; I thought DNS was more about resolving names, not specifically for access points.

Pearline 11 months ago

I remember practicing a question about DHCP options, and I think Option 43 was mentioned in that context.

Gretchen 11 months ago

I think this might be related to DHCP options, but I'm not entirely sure if it's specifically for access points.

Marcelle 12 months ago

I've got a good feeling about C. DHCP is where you'd configure network settings like this for access points.

Dong 12 months ago

I'm a bit confused on the specifics of Option 43. I'll have to review my notes to make sure I understand where this should be configured.

Murray 12 months ago

Ah, I remember learning about this in class. Option 43 is used to configure access points, so it should be in the DHCP service.

Lorean 1 year ago

Hmm, I'm not totally sure about this one. I'll have to think it through carefully before answering.

Chara 1 year ago

This one seems pretty straightforward. Option 43 is likely a DHCP option, so I'll go with C.

Tracey 1 year ago

I'm gonna have to go with the classic DHCP on this one. Although, I do wonder if the correct answer is actually 'the Matrix'.

Cristy 1 year ago

I'm feeling confident it's C) DHCP. If the access points need to locate the controllers, that's gotta be in the network configuration, not in something like LDAP or RADIUS.

Herschel 1 year ago

↳ replying to Cristy

Yeah, DHCP is definitely the way to go for that kind of network service configuration.

Merissa 1 year ago

↳ replying to Cristy

I think you're right, DHCP makes the most sense for allowing access points to locate controllers.

Gayla 1 year ago

I believe DHCP is the best choice because it assigns IP addresses to devices on the network.

Marguerita 1 year ago

I'm not sure, but I think option A) DNS could also be a possibility.

Annelle 1 year ago

Hmm, this is a tricky one. I'm gonna go with C) DHCP. It just makes sense for network-related settings like this.

Barney 1 year ago

↳ replying to Annelle

I agree, DHCP is the network service where Option 43 should be configured.

Ashton 1 year ago

↳ replying to Annelle

Yeah, DHCP is definitely the right choice for configuring Option 43.

Serina 1 year ago

↳ replying to Annelle

I think you're right, DHCP is the way to go for this.

Chuck 1 year ago

DHCP sounds logical, but I'm kinda leaning towards RADIUS. Isn't that where you manage access and permissions?

Tula 1 year ago

↳ replying to Chuck

Actually, I believe RADIUS is used for managing access and permissions, so that might be the correct answer.

Annett 1 year ago

↳ replying to Chuck

I think DHCP is the right choice for configuring Option 43.

Ronny 1 year ago

I'm pretty sure it's DHCP. That's where all the network settings are configured, right?

Paulene 1 year ago

↳ replying to Ronny

DHCP is responsible for assigning IP addresses and other network settings, so that's where the access points can locate controllers.

Matthew 1 year ago

↳ replying to Ronny

Yes, you're correct. Option 43 should be configured in DHCP.

Chantell 1 year ago

I agree with Darrel, DHCP makes sense for locating controllers.

Darrel 1 year ago

I think option C) DHCP is the correct answer.

CWNP CWNA-109 Exam - Topic 2 Question 29 Discussion