You are the network consultant from passguide.com. Could you please tell customers what strategy will protect network resources and services from unauthorized actions?（）

单项选择题Why is QoS important in a converged network?（）

A.Because voice data packets must follow a single dedicated path through the network
B.Because voice data packets should arrive quickly and sequentially, and with no lost data
C.Because lost voice-data packets must be retransmitted
D.Because data does not need to arrive intact, so data transfer rates can be variable

单项选择题A consulting firm is locating 30 consultants at a client site for a nine-month project. What need does the firm have that can be met by a wireless solution?（）

A.Providing a temporary network need
B.Ensuring secure presentations
C.Having freedom of movement within a network range
D.Augmenting an existing network

单项选择题If an enterprise customer required A switch for their branch office access layer, which family of switches would the customer likely choose from?（）

A.Cisco SFS 3000/7000
B.Cisco Catalyst 2000 and 3000
C.Cisco Catalyst 4000 and 6000
D.Cisco Nexus

多项选择题Which two features characterize controller-based deployments in a WLAN?（）

A.individual device configuration
B.roaming that is facilitated bywirelee-location services
C.coverage of a single area
D.coverage of large areas
E.seamless roaming throughout the network

单项选择题Which content network component is primarily used to store and deliver content from the network edge?（）

A.Content router
B.Content switch
C.Content Distribution Manager (CDM)
D.Content engine