Computer Networking 面试题与答案
问题 46. What is multicast routing?
Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing.
问题 47. What is region?
When hierarchical routing is used, the routers are divided into what we will call regions, with each router knowing all the details about how to route packets to destinations within its own region, but knowing nothing about the internal structure of other regions.
问题 48. What is silly window syndrome?
It is a problem that can ruin TCP performance. This problem occurs when data are passed to the sending TCP entity in large blocks, but an interactive application on the receiving side reads 1 byte at a time.
问题 49. What are Digrams and Trigrams?
The most common two letter combinations are called as digrams. e.g. th, in, er, re and an. The most common three letter combinations are called as trigrams. e.g. the, ing, and, and ion.
问题 50. Expand IDEA.
IDEA stands for International Data Encryption Algorithm.
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