多选题What are some of the advantages of using a router to segment the network?（）AFiltering can occur based on Layer 3 information.BBroadcasts are eliminated.CRouters generally cost less than switches.DBroadcasts are not forwarded across the router.EAdding a

正确答案：BC
B,C

参考答案：D

正确答案：D
解析：Explanation
A router does not forward broadcast traffic. It therefore breaks up a broadcast domain, reducing unnecessary network traffic. Broadcasts from one segment will not be seen on the other segment.

Incorrect Answers:
A. This will actually increase the number of broadcast domains from one to two.

B. All link level traffic from segment one to segment two will now need to be routed between the two interfaces of the router. Although this will reduce the traffic on the LAN links, it does also provide a less efficient transport between the segments.

C. Since the network size is effectively cut into half, the number of collisions should decrease dramatically.

E. Broadcasts from one segment will be completely hidden from the other segment.

参考答案：A, D

参考答案：C

参考答案：B, D

正确答案：
(b) Franchising is typically seen as a quick and cost effective way of growing the business but Ramon should be aware of both
the advantages and disadvantages of using it as the preferred method of growth. Franchised chains are argued to benefit from
the sort of brand recognition and economies of scale not enjoyed by independent owner/managers. When combined with the
high levels of motivation normally associated with owner/managed businesses, franchises can be argued to get the best of
both worlds.
Franchising is defined as ‘a contractual agreement between two legally independent companies whereby the franchisor grants
the right to the franchisee to sell the franchisor’s product or do business under its trademarks in a given location for a specified
period of time. In return, the franchisee agrees to pay the franchisor a combination of fees, usually including an up-front
franchise fee, royalties calculated as a percentage of unit revenues, and an advertising conbribution that is also usually a
percentage of unit sales.’
Ramon is considering a type of franchising called ‘business-format franchising’, where the franchisor sells a way of doing
business to its franchisees. Business-format franchising is a model frequently found in the fast food and restaurant industry,
hotels and motels, construction and maintenance, and non-food retailing. Often these franchises are labour intensive and
relatively small-scale operations.
Franchising is seen as a safer alternative to growing the business organically, so while this may be true of well established
global franchises, failure rates among franchised small businesses were greater than those of independent businesses (in one
US study a 34·7% failure rate for franchises as opposed to 28·0% for independents over a six or seven year period). Often
it is the failure of the franchisor that brings down its franchisees. Failure stems from the franchisee not only having to rely on
their own skills and enthusiasm but also the capacity of the franchisor and other franchisees to make the overall operation
work.
The advantages to the franchisee are through gaining access to a well-regarded brand name that will generate a higher level
of demand and use of a tried and tested business model that should reduce the franchisee’s operating costs. Both of these
benefits stem from being a member of a well-established franchised system. Yet La Familia Amable along with many other
franchises will be new and small. These smaller franchises tend to be regional in scope, and fairly unknown outside their
regional market. This has a significant effect on what the franchisees can expect to gain from their franchisors and their
prospects of success. Both parties need to carefully assess the strengths and weaknesses of the system. Companies growing
via franchises need to take the time to understand their business model thoroughly and determine how franchising fits with
their long-term strategy. Care must be taken with the franchise agreement that creates a genuine partnership with the rightbalance between freedom and control over the franchisees.