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Exhibit.
A university runs its own TV station in the city The IT department deploys a multimedia server so the TV productions can be sent out to the entire campus over the IP network using multicast-based communications in order to improve the bandwidth consumption. PlM sparse Mode and IGMP snooping features are enabled.
When wireless users join the multicast groups, all users connected to the same WLAN experience poor network performance. However, wired users are not affected in this way While troubleshooting the network administrator saves the packet captures shown in the exhibit and concludes that all users even those not joining the multicast group, receive the same multicast flow at slow speeds.
Which features should the network administrator enable to fix the problem?
Suggested Answer: D
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The wireless connection phase that has just been completed is L2 authentication and encryption. This phase includes processes such as the Extensible Authentication Protocol (EAP) exchange, RADIUS requests and responses, and the 4-way handshake which is characteristic of WPA2-AES encryption.
33 comments · newest first
SH
Shawnna
11 months ago
Not sure if those solutions will really fix the problem...
MA
Mabel
11 months ago
Definitely need to enable QoS for better performance!
LI
Lindsey
11 months ago
Wait, why are wired users fine but wireless users are struggling?
NA
Nathan
12 months ago
I think Dynamic Multicast Optimization is key here.
VO
Von
12 months ago
Sounds like a classic multicast issue!
MY
Myra
12 months ago
Dynamic Multicast Optimization sounds familiar, but I’m torn between that and the UCC QoS correction option. I wish I had reviewed more on this topic!
TE
Terina
1 year ago
I feel like ARP broadcast conversion could help, but I can't recall if it directly relates to multicast issues.
MA
Marti
1 year ago
This question seems similar to one we practiced where QoS was important for managing bandwidth. I think UCC QoS correction might be key here.
MA
Malika
1 year ago
I remember something about multicast optimization, but I'm not sure which combination of features would actually help with the wireless users' performance.
VE
Verona
1 year ago
This looks straightforward to me. The key is that the problem is specifically with wireless users, so the solution is to use Dynamic Multicast Optimization and UCC QoS correction to optimize the multicast delivery over the wireless network.
NE
Nenita
1 year ago
I'm a bit confused by all the different networking features mentioned. I'll need to make sure I understand what each one does before I can confidently select the right combination to fix the problem.
ER
Eric
1 year ago
Okay, I think I've got this. The problem is that the multicast traffic is affecting all users, even those not in the multicast group. The solution is to use Dynamic Multicast Optimization and Multicast Transmission Optimization to efficiently deliver the multicast traffic.
LY
Lynda
1 year ago
Hmm, the question mentions multicast and wireless performance problems, so I'm guessing the solution has to do with optimizing multicast delivery to wireless clients. I'll need to review my notes on multicast and wireless QoS features.
ST
Stephaine
1 year ago
This seems like a tricky one. I'll need to carefully read through the details and think about the key issues before deciding on the best approach.
PE
Percy
1 year ago
I'm with Chandra on this one. Option A is the way to go. Now, if only the network admin had a sense of humor, they might throw in a 'multicast' pun or two while fixing this.
LA
Laura
1 year ago
Haha, a multicast pun would definitely lighten the mood while fixing this issue.
ED
Edwin
1 year ago
Yeah, enabling Dynamic Multicast Optimization and Multicast Transmission Optimization should definitely help.
SH
Shelba
1 year ago
I agree with you, Option A seems like the best solution.
CL
Clorinda
1 year ago
Unicast conversion and QoS correction? Nah, that's not gonna cut it. Gotta go with the multicast optimization features, for sure.
EV
Evangelina
1 year ago
A: Let's hope the network administrator enables those features soon.
NA
Nadine
1 year ago
B: Yeah, that should definitely help improve network performance.
MA
Marti
1 year ago
A: I agree, multicast optimization is the way to go.
KA
Kathryn
2 years ago
Dynamic Multicast Optimization and Multicast Transmission Optimization seem like the way to go. Let's hope the network admin can get this sorted out quickly.
VI
Vinnie
1 year ago
I think option A is more suitable for this scenario.
ER
Eric
1 year ago
B) UCC QoS correction and Multicast Transmission Optimization
KA
Kanisha
1 year ago
I agree, those features should help improve the network performance.
MA
Marica
1 year ago
A) Dynamic Multicast Optimization and Multicast Transmission Optimization
CH
Chandra
2 years ago
Hmm, interesting problem. Looks like we need to optimize the multicast transmission to fix the issue. I'd go with option A.
JO
Jovita
1 year ago
Yes, Multicast Transmission Optimization is also important to ensure efficient multicast flow.
BE
Bernardo
1 year ago
I agree, enabling Dynamic Multicast Optimization should help improve the network performance.
BE
Bettina
2 years ago
I'm not sure about that. Maybe ARP broadcast conversion into unicast could also be a solution to the issue.
PA
Paul
2 years ago
I agree with Simona. Enabling those features should help improve network performance for wireless users joining multicast groups.
SI
Simona
2 years ago
I think the network administrator should enable Dynamic Multicast Optimization and Multicast Transmission Optimization to fix the problem.