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1.14.Which of the following statements are correct to describe the “protocols” ?
下列哪些對於”協定”敘述是正確的?
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| (a)Protocols are the building blocks of a network architecture. 協議是網路架構基本建構區塊。 | |
| (b)The “service interface” of a protocol describes the messages exchanged with other peer. 協議的”服務介面”描述了對於其他對等節點的訊息交換內容。 | |
| (c)The “peer-to-peer interface” of a protocol describes the operations on this protocol. 協議的”同層介面”描述了這個協議中的運作方法。 | |
| (d)The Internet Protocol (IP) provides a “reliable transmission service” to upper level protocols, such as TCP and UDP. IP協議為上層協議(如TCP/UDP) 提供可靠的傳輸服務。 | |
| (e)The “peer-to-peer interface” of the IP protocol describes the “IP header” of the IP packet. IP 協議的“同層介面”描述了IP封包中的 ”IP標頭”內容。 |
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1.15.Which of the following schemes are usually used to describe the “protocol specification” ?
列哪些方法常被用來敘述”協定規格”?
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| (a)Pseudo-code 虛擬碼 | |
| (b)State-machine diagram 狀態轉移圖 | |
| (c)Message format 訊息格式 | |
| (d)Network topology 網路拓樸 | |
| (e)Network architecture 網路架構 |