QUESTION: 5

An architect needs to plan a very high density (VHD) wireless network at a large events venue, at which thousands of attendees are expected. The architect plans to deploy a cluster of Mobility Controllers (MCs) to control the APs. It is important to support seamless roaming for wireless devise across the venue.
What should the architect ensure for the network services?

DHCP servers can support a high number of scopes with a /24 size.
A third-party firewall integrates with ClearPass to filter the guest user traffic.
A domain CA is set up to deploy certificates to a high volume of guest devices.
DHCP and DNS servers are carrier-grade and support a low transaction time.

Answer(s): B

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QUESTION: 6

Refer to the exhibit.

The customer requires fast failover if any one link or core device fails. Which additional technology should the architect plan on the core VSF fabric to meet these criteria?

OSPF graceful restart
SmartLink
BGP
VRRP

Answer(s): C

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QUESTION: 7

A customer needs an 802.11ac upgrade for an office with cubicles. The customer states that, because they planned locations for the existing 802.11n APs so that there are no coverage holes, they will simply deploy the new 802.11ac APs in the same location as the existing APs. The customer plans to support mobile devices in addition to laptops.
What should the architect explain about shy a site survey is desirable to determine the optimal locations for the new APs?

An 802ac deployment typically works better with side-mounted, rather than ceiling-mounted, APs, and a site survey will help determine the new mounting locations.
The new 802.11ac deployment should have a capacity-based design for the best performance, but the existing deployment sounds like a coverage-based design.
802.11ac AP radios tend to be more sensitive to 2.4 GHz interference than 802.11n APs, so the architect needs to search for all potential sources of such interference.
802.11ac APs can support a higher density of clients, so they can be deployed farther apart than the APs in most existing 802.11n deployments.

Answer(s): A

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QUESTION: 8

Refer to the exhibit.

A customer wants to replace the core and aggregation layer of an existing network. Currently the network routes between the aggregation layer and core, and uses the technologies shown in the exhibit.
The customer now wants to route at the core, instead of the aggregation layer, and extend some of the same VLANs in different buildings. However, the customer cannot eliminate the aggregation layer at this point.
What should the architect recommend?

Create a backplane stack at the aggregation layer and a VSF fabric at the core.
Implement broadcast filtering on switch-to-switch links across all of the buildings.
Combine all switches in the aggregation layer and core into a single backplane stack.
Use VRRP on the core and aggregation switches, with the aggregation switches acting as standby.

Answer(s): C

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QUESTION: 5

QUESTION: 6

QUESTION: 7

QUESTION: 8