What four functions does Web Cache Communication Protocol (WCCP) incorporate?（）

单项选择题A virtual storage area network (VSAN) is a collection of ports from a set of connected Fibre Channel switches, that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs?（）

A.IVR
B.FSPF
C.FICON
D.SANTap

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You are the Cisco Network Designer in Cisco.com. What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?（）

A. InterSwitch Link
B. Virtua LAN
C. Virtual Output Queuing
D. virtual storage area network

单项选择题To securely transport EIGRP traffic, a network administrator will build VPNs between sites. What is the best method to accomplish the transport of EIGRP traffic?（）

A. IPSec in tunnel mode
B. IPSec in transport mode
C. GRE with IPSec in transport mode
D. GRE with IPSec in tunnel mode

单项选择题A network vulnerability scanner is part of which critical element of network and system security?（）

A. host security
B. perimeter security
C. security monitoring
D. policy management