【正文】 it tcp host eq 80 accesslist 101 permit host host eq 80accesslist 101 permit tcp host eq 80 下列有關(guān)標(biāo)準(zhǔn) ACL 和擴(kuò)展 ACL 的說法中哪兩種正確？（選擇兩項(xiàng)。通常放置標(biāo)準(zhǔn) ACL 后，所有數(shù)據(jù)包會(huì)通過網(wǎng)絡(luò)并在目的地被過濾。擴(kuò)展 ACL 根據(jù)多種條件進(jìn)行過濾，其放置在靠近源地址的位置，以減少通過網(wǎng)絡(luò)的流量。請(qǐng)參見圖示。新命令會(huì)被添加到當(dāng)前 Managers ACL 的末尾。會(huì)出現(xiàn)一則錯(cuò)誤消息，說明已經(jīng)存在該 ACL。如果來自被拒絕源的數(shù)據(jù)包嘗試進(jìn)入應(yīng)用了 ACL 的接口，路由器就會(huì)在 30 分鐘后重新加載。路由器會(huì)在 30 分鐘后自動(dòng)重新加載。置？（選擇兩項(xiàng)。ACL 有哪兩項(xiàng)額外用途？（選擇兩項(xiàng)。網(wǎng)絡(luò)管理員需要配置一個(gè)訪問列表，以僅允許 IP 地址為 。使用哪組命令可完成此任務(wù)？ CRouter(config) accesslist 101 permit tcp any eq telnetRouter(config) accesslist 101 deny ip any anyRouter(config) int s0/0Router(configif) ip accessgroup 101 inRouter(configif) int fa0/0Router(configif)ip accessgroup 101 inRouter(config) accesslist 10 permit eq telnetRouter(config) accesslist 10 deny anyRouter(config) line vty 0 4 Router(configline)accessgroup 10 inRouter(config) accesslist 86 permit host Router(config) line vty 0 4 Router(configline) accessclass 86 inRouter(config) accesslist 125 permit tcp any eq telnetRouter(config) accesslist 125 deny ip any anyRouter(config) int s0/0Router(configif) ip accessgroup 125 in 訪問控制列表在企業(yè)網(wǎng)絡(luò)中的可能用途是下列哪兩項(xiàng)？（選擇兩項(xiàng)。訪問列表已應(yīng)用于 R2 上 S0/0/0 接口的入站流量。）BD來自主機(jī) 的 IP 流量來自主機(jī) A 的 Web 流量來自主機(jī) 的 IP 流量來自網(wǎng)絡(luò) 的 UDP 流量來自網(wǎng)絡(luò) 的 HTTP 流量 如果將關(guān)鍵字 established 附加到擴(kuò)展 ACL 的某一行，則下列那一項(xiàng)將決定是否在該行指定的源地址和目的地址之間發(fā)送數(shù)據(jù)包？C是否啟用 CHAP 身份驗(yàn)證MD5 加密算法是否生效是否成功完成 TCP 三次握手 ACL 中是否特別地允許 HTML 數(shù)據(jù)包第五篇：八年級(jí)上冊(cè)第八單元第一課時(shí)教案Unit 8 How do you make a banana milk shake? Section A(1a1c)一、教材分析本課是人教版《新目標(biāo)》Go for it 八年級(jí)英語上冊(cè)第八單元Unit 8 How do you make a banana milk shake?第一課時(shí)，本節(jié)課以制作香蕉奶昔為話題，主要談?wù)撘恍┏Ｒ姷募彝ワ嬍撤矫娴闹谱鞣椒ǎㄟ^豐富多彩的口語練習(xí)，掌握制作方法的同時(shí)，又在語言情境中，對(duì)一些動(dòng)作加以區(qū)分和應(yīng)用，熟練掌握這些動(dòng)詞 turn on , turn off, cut up , pour , peel , put in , drink的表達(dá)方式和口語中的提問方式，同時(shí)還要學(xué)習(xí)掌握一些新名詞 shake , blender , yogurt , honey等。②掌握句型 ─How do you make a banana milk shake? ─First, peel the bananas and cut them up....以及表示先后順序的詞 First...next...then...finally...…過程與方法目標(biāo)，并運(yùn)用動(dòng)詞和動(dòng)詞短語討論如何制作奶昔。情感、態(tài)度與價(jià)值觀目標(biāo)①通過制作食物的介紹, 培養(yǎng)學(xué)生的實(shí)際生活能力, 了解生活知識(shí), 增長生活閱歷, 培養(yǎng)實(shí)踐操作能力和動(dòng)手能力。三、教學(xué)重、難點(diǎn) 重點(diǎn):Vocabulary: shake，milk shake，blender, yogurt , honey ,turn on , turn off, cut up , pour , peel , put in Target language: How do you make a banana milk shake ?First peel the bananas , then cut up the bananas, next pour the milk into the blender, finally pour the milk shake into a glass and drink : Use the verb phrases to talk about how to make milk 、學(xué)情分析本課內(nèi)容生動(dòng)活潑，容易激發(fā)學(xué)生的興趣。五、教學(xué)過程Step 1 Warming up Greet students we should eat more fruit and drink more water to keep 2 Leadin Show the students some pictures about fruit and them: What’s your favorite fruit? What do you like to drink? Then tell them to enjoy a picture of another drink: milk show more pictures of milk : The milk shake looks very you like milk shake？And do you know how to make milk shake? Step pictures and learn new words: milk shake, blender ,turn on , cut up , pour , peel；Follow the teacher to read many a picture and find out what ingredients and tools we need to make a banana milk work on write the words in 1a in the check the and put the instructions in students to say the again and fill in the students know the process of making a banana milk shake step by work Ask and answer questions about how to make a banana milk shake?Say, now let’s talk about the correct students a conversations about making a banana milk several pairs to say one or more of their actingTwo students try to make a banana milk shake by using the says the steps and the other this: First… Step drills Make your own milk shake, such as a strawberry milk shake, a watermelon milk shake and so students a says, one acts and one writes down the some students to talk about how to make his/her favorite milk Show pictures to talk about the process of making a banana milk shake :Make your own milk it with your parents and write down the process by using the words First, next, then… finally….