SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?（）

多项选择题Which three of these are major scaling, sizing, and performance considerations for an IPsec design?（）

A. connection speed
B. number of remote sites
C. features to be supported
D. types of devices at the remote site
E. whether packets are encrypted using 3DES or AES
F. number of routes in the routing table at the remote site

单项选择题Scalability is provided in the server farm module by which of the following design strategies?（）

A. up to 10Gbps of bandwidth at the access level
B. redundant servers at the access level
C. modular block design at the access level
D. high port densities at the access level

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

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.