某投资方案的年营业收入为100000元，年总营业成本为60000元，其中年折旧额10000元，所得税税率为25％

A. reduces routing table entries

B. auto-negotiation of media rates

C. efficient utilization of MAC addresses

D. dedicated communications between devices

E. ease of management and trouble shooting

A.added security

B.dedicated bandwidth

C.provides segmentation

D.allows switches to route traffic between subinterfaces

E.contains collisions

A. added security

B. dedicated bandwidth

C. provides segmentation

D. allows switches to route traffic between subinterfaces

E. contains collisions

A. regular upgrade process

B. multivendor support

C. cost savings

D. product variety

E. well-tested interoperability

A. regular upgrade process

B. multivendor support

C. cost savings

D. product variety

E. well-tested interoperability

A. a higher fan-out ratio

B. fully redundant switches

C. 100 percent port efficiency

D.allI S Lscontained with inasingle chass is

E.higher latency and through put than acore-edged esign switch

There are two spare rooms in the building,______has been provided with air-conditioners.

A．neither of it

B．neither of them

C．neither of which

D．neither of this

What key feature is provided by Indicater.com？

A.approaches that reflect the providers' own experience

B.access to appropriately trained potential employees

C.advice which directly benefits the bottom line

D.advertising which is carefully targeted

A. Shared single interface

B. IP Address

C. TCP-based hello packets

D. MAC address