Kiểu kết nối mạng nào phù hợp cho mạng có hiệu suất lưu thông cao? ring star hay bus

2 câu trả lời

Mạng cục bộ (Local Area Network – LAN) là hệ truyền thông tốc độ cao được thiết kế để kết nối các máy tính và các thiết bị xử lý dữ liệu khác cùng hoạt động với nhau trong một khu vực địa lý nhỏ như ở một tầng của toà nhà, hoặc trong một toà nhà…. Một số mạng LAN có thể kết nối lại với nhau trong một khu làm việc.

Mạng lan trở nên thông dụng vì nó cho phép người dùng dùng chung những tài nguyên quan trọng như máy in màu, ổ đĩa CD-ROM, các phần mềm ứng dụng và những thông tin cần thiết khác. Trước khi phát triển công nghệ lan các máy tính là độc lập với nhau, bị hạn chế bởi số lượng các chương trình tiện ích, sau khi kết nối mạng rõ ràng hiệu quả của chúng tăng lên gấp bội. Để tận dụng hết những ưu điểm của mạng lan người ta đã kết nối các lan riêng biệt vào mạng WAN.

Topology của mạng là cấu trúc hình học không gian mà thực chất là cách bố trí phần tử của mạng cũng như cách nối giữa chúng với nhau. Thông thường mạng có 3 dạng cấu trúc là: Mạng dạng hình sao (Star Topology), mạng dạng vòng (Ring Topology) và mạng dạng tuyến (Linear Bus Topology)…

theo mình là ring star

$\text{theo mik là kết nối ring star cho mạng có hiệu suất lưu thông cao}$

Câu hỏi trong lớp Xem thêm

A. Read the passage and choose the best answer (A, B, or C) to the following questions (5 pts) My name is Hoa. Here is a photo of my school. It is a big school. It is in Hue. It is on Nguyen Hue Street. In my school, there is a big yard and there are a lot of trees around it. My school has three floors and forty classrooms with 1,700 students. My classroom is on the second floor. I‟m in grade 7, class 7A. Our class starts at 7.00 and finishes at 11.30. At school we learn many things, but I like Literature and English best. I also like Music, Sports and Art. We often have recess at 9.20. We usually drink, eat and talk at recess. We sometimes play games like blind man‟s bluff or catch. We often make much noise at recess. After school, we often go home and have lunch at 12.30. 1. Where is the school? A. On Nguyen Hue Street B. In Hue C. On Nguyen Hue Street in Hue 2. How many students are there in the school? A. 1,700 B. 1,070 C. 1,007 3. When does the class start and finish? A. 7.00 and 11.00 B. 7.30 and 11.00 C. 7.00 and 11.30 4. What subjects does she like best? A. Literature and English B. Literature and Art C. English and Music 5. What does she usually do at recess? A. Drinks and eats B. Drinks, eats and talks C. Eats and talks VII. Reading B. Read the passage and choose the best answer (A, B, or C) to the following questions (5 pts) What do you often do after school? In my school, there are a lot of clubs which students can take part in after school hours. The club that has the biggest number of members is the swimming club called “Blue Dolphins”. I myself love swimming so I am a member of this club. I go to the swimming pool twice a day and swim for about an hour. I‟m really interested in swimming breaststroke because it helps me move as fast as I can. I‟m also fond of backstroke. I swim backstroke when I want to relax, breathe and let my body float freely. It‟s very relaxing. The second club I would like to mention is the charity club. Its name is “Golden Heart”. Members of the club often do community service. This month, they are conducting a clean-up campaign to protect the environment around the school. They collect trash, clean the toilet area, and grow plants. I am not a Golden Heart‟s member, but I participate in their activities whenever I can. If you can sing, dance or play musical instruments, the musical club “Heartstrings” is definitely for you. The president of the club is Mike, my best friend. He is not only good-looking but also sings beautifully and plays the guitar very well. In conclusion, we should do as many activities as possible in our free time to have good health and a fresh mind to prepare for lessons in class. Spending all our time studying is not a good idea. 6. The writer is interested in swimming breaststroke because ________ A. it makes him relaxed B. it helps him swim as fast as he can C. it helps him stay healthy D. it is the easiest swimming style 7. The writer is fond of backstroke when ________ . A. he has a competition B. he is hot C. he is tired D. he want to relax 8. This month, Golden Heart's members ________ . A. clean classrooms, halls, and the toilet area B. grow plants, water flowers C. help elderly people D. collect trash, clean the toilet area, and grow plants 9. The musical club “Heartstrings” is definitely for the students who ________ . A. can sing and dance B. can sing, dance, and play musical instruments C. can write songs D. can cook 10. Spending all the time studying is ________ . A. unnecessary B. necessary C. good D. important

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