freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

[it認(rèn)證]網(wǎng)絡(luò)工程師培訓(xùn)主題03:網(wǎng)絡(luò)體系結(jié)構(gòu)-資料下載頁(yè)

2025-01-19 08:50本頁(yè)面
  

【正文】 最大鏈路利用率為 __(30)__;若采用后退 N幀 ARQ協(xié)議通信,發(fā)送窗口為 8,則最大鏈路利用率可以達(dá)到 __(31)__。 ( 30) A、 B、 C、 D、 ( 31) A、 B、 C、 D、 【 參考答案 】 2022年下半年 典型試題分析 ● 以太網(wǎng)交換機(jī)根據(jù) __(56)__轉(zhuǎn)發(fā)數(shù)據(jù)包。 ( 56) 【 參考答案 】 2022年下半年 典型試題分析 2022年下半年 ● Networks can be interconnected by different devices. In the physical layer ,works can be connected by __(66)__ or hubs, which just move the bits from one work to an identical work. One layer up we find bridges and switches, which operate at data link layer. They can accept __(67)__ ,examine the MAC address, and forward the frames to a different work while doing minor protocol translation in the process. In the work layer, we have routers that can connect two works, If two works have __(68)__ work layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message __(69)__. As an example, gateways between Inter and must __(70)__ the message and change various header fields. ( 66) ( 67) ( 68) ( 69) ( 70) 【 參考答案 】
點(diǎn)擊復(fù)制文檔內(nèi)容
教學(xué)課件相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1