A company is using a multi-site centralized call processing model. Which feature ensures that the remote site IP phones will still have limited functionality given a WAN outage?（）

单项选择题You are the Cisco Network Designer in Cisco.com. Your company is using the G.711 codec with 802.11a access point radios. This can support a maximum of how many phones per access point?（）

A.5
B.10
C.14
D.20

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

多项选择题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?（）

A. The bus is limited to 64 devices.
B. It is a full-duplex serial standard.
C. It is a half-duplex serial standard.
D. It allows up to 320 MB/s of shared channel bandwidth.

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