单项选择题

Which roaming option will keep them on the same IP subnet when client traffic is being bridged through LAN interfaces on two WLCs?（）

A. Layer 1intercontroller roaming
B. Layer 2intercontroller roaming
C. Layer 3intercontroller roaming
D. Layer 4intercontroller roaming

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单项选择题

Sun Stable is a global insurance company with headquarters located in Houston, Texas. The campus there is made up of a number of office buildings located within the same vicinity. In 2003, a new building, Building 331B was added. The additional building houses approximately 1000 employees. Rather than deploy a private branch exchange (PBX) in the new building, Sun Stable has decided to implement an IP telephony solution. External calls will be carried across a MAN link to another building, where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail and unified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets.Which IP telephony deployment best suits their need?（）

A. single-site.
B. multisite with centralized call processing
C. multisite with distributed call processing
D. clustering over the WAN

单项选择题

Refer to the exhibit. When deploying an MSFC and an FWSM, which statement is correct?（）

A. Proper placement depends on the VLAN assignment.
B. Place it outside the firewall.
C. Place it inside the firewall to make design and management easier.
D. Place it inside the firewall with multiple context modes connecting to all configured contexts.

单项选择题

Which IOS QoS enhancement was created to address scalability and bandwidth guarantee issues?（）

A.DiffServ
B.IntServ
C.RSVP
D.WFQ