2012年思科认证（CCNA）考试练习题精选6
26. Which three tasks are parts of characterizing an existing network? (Choose three.)
collecting information using the existing documentation and direct organizational input
using tools to analyze network traffic
using design tools to create a framework for the design
using tools for automated auditing of the network外语学习网
27. Which three parameters can you identify by using a traffic analyzer? (Choose three.)
protocol specification (IP protocol ID, TCP/UDP port number)
average bit rate and packet rate
QoS requirements
devices that use a specific protocol and their addresses
28. Which three commands reveal information about individual applications, protocols, or flows? (Choose three.)
show processes memory
show ip nbar protocol-discovery
show ip interface
show ip cache flow
29. Which statement best describes the role of decision tables in the design process?
introduce the concept of modularity into the design process
enable the designer to create a network design that is based only on data that has been gathered from the network analysis
provide an accurate summary of the design and facilitate the decision on the basis of appropriateness
provide a means for decision making when multiple solutions exist for a given network issue
3 0. Which three are potential scopes for a network design project? (Choose three.)
WAN upgrade
campus upgrade
network layer redundancy
network redesign