... CHƯƠNG 1: KIẾN TRÚC PHÂN TẦNG VÀ MÔ HÌNH OSI 3 1. Khái niệm về mạng máy tính 3 1.1 Một số loại mạng máy tính 4 1.2 Các loại hình trạng mạng 6 1.2 .1 Bus 6 1.2.2 Ring 6 1.2. 3 Star 7 1.2. 4 Mesh 8 2. ... truyền tại tầng vật lý .Application Header + data 010 010 10 010 010 010 011 1 010 010 0 011 010 00…Tầng ứng dụngTầng chuyển vậnTầng mạngTầng vật lý 17 Tầng liên kết dữ liệu Hoạt động của Bridge trong ... 8 2 .1 Lịch sử của OSI 8 2.2 Ý nghĩa của mô hình tham chiếu mở OSI 9 2. 3 Mô hình 7 tầng OSI, chức năng của từng tầng 10 2. 3 .1 Tầng vật lý (Physical) 10 2. 3 .2 Tầng liên kết dữ liệu (Data Link) 11 2. 3.3...
... had my phone number change. (changed) C D 27 . During a curfew it is not possible walking on the streets after a specified A B C D hour. (to walk) 28 . Clay that has been heated or fired in a ... Jane,I'm sorry for not ( 31) ______ to you for two months. In my postcard sent to you when I was on vacation in July, I told you about a new friend of ( 32) ____, Lisa Moran, who lives near ... doing with your school work? Please write soon.Best wishesAnn Maxfield 31. a. write b. to write c. writing d. wrote 32. a. I b. me c. my d. mine33. a. looking b. like c. seen d. similar34....
... 04. 7548035 TEST FOR UNIT 1 I. PRONUNCIATIONA. Choose the word that has the underlined (letters) pronounced differently from the others. 1. a. scream b. death c. ready d. peasant 2. a. traveled ... have d. get normally up/ I sometimes have 11 . The house was very quiet when I got home. Everybody to bed.a. have gone b. went c. had gone d. goes 12 . It was the most experience of my life.a. ... the underlined word or phrase. 1 . John isn't content with his present salary.a. excited about b. satisfied with c. disappointed about d. interested in 2. We the seedlings into peaty soil.a....
... NHUUNIT 1 HOME LIFE TEST 1 I. PRONUNCIATION Choose the word that has the underlined part pronounced differently from that of the others. 1. a. family b. parents c. happy d. frankly 2. a. mischief ... a. took b. have taken c. had taken d. were taking 20 . Come and see me when you _______________your report. 1 a. 1/ 3 percent of households b. 20 percent of households c. 7 percent of households ... supports c. supporters d. supportive 12 .My mother often cooks big meals, so we have_____________for days. a. remainders b. surplus c. leftovers d. dishes 13 .His secretary was formidably ______________:...
... …………………………………………………………………… 10 . The Browns ( live ) ________________ in Birmingham for 10 years . ………………………………………………… VII. Write WH- questions for these answers : 1. Ho Chi Minh city is about 12 0 km far from ... d. on 12 . She was born _____________ September 15 th . a. in b. at c. on since 13 . The children are playing ____________ in the school yard . a. happiness b. happy c. happily d. happier 14 . ... brave ) 10 . She’s deeply ______________________and goes to church twice a week. (religion) 11 . People with very _________________ skin shouldn’t go sunbathing for long periods . ( sense ) 12 . A...
... textbooks. 10 . Tom (like) __________ to go to the museums. 11 . He (read) __________ that novel again during my last vacation. 12 . I often (leave) __________ the city at weekends. 13 .The sun (set)___________ ... __________ four. 18 . We (watch) __________ a good programme on TV last night. 19 . Mary (love) __________ ice-cream. 20 . I (have) __________ a little trouble with my car last week. 21 . We always (do) ... carefully. 22 . I (meet) __________ Mary last night. She’s become a very big girl. 23 . She (go) __________ to school every day. 24 . How long ago (he start) __________ to learn French ? 25 . We seldom...
... 13 2 .15 .13 6.0 B 13 2 .15 . 12 8.0 C 13 2 .15 .19 2. 0 63. In order to have 5 subnets and 17 hosts on each subet, how many bits subnetting will you do on the class B adress 16 2 .13 .0.0 /16 ? A 25 5 .25 5 . 12 8.0 ... B 16 C 24 D 28 61. Ip adress 19 1 .25 3 .10 .4. belongs to which ip address class ? A D B A C C D B 62. You are given an ip adress 13 2 .15 .13 6 .2 /18 what subnet is the host ip on ? A 13 2 .15 .13 6.0 ... 81. Assuming no subnetting, given the ip address 17 2 .16 .10 .22 , what all can u learn from this (Choose 2) ? A Class B B Class C C hostadress = 0.0 .10 .22 D network adresss = 17 2 .16 .10 .0...
... choice is also incorrect. Consider birth year 19 23 . a person born in 19 23 would have been nine in 19 32 and the generalization holds. So E is false. 22 . The nephew of Pliny the Elder wrote the ... than $ 10 0 million, but 20 0 taxpayers with income from 10 or more countries, at the very most somewhat less than 20 percent of those 20 0 taxpayers could report net incomes of more than $ 10 0 million. ... out of every 10 0. That means that, in every other state, 10 or more out of every 10 0 residents live in rural areas. Since 9 out of every 10 0 is smaller than 10 or more out of every 10 0, so A is...
... TCP. 17 Version 3.0IP Classes of Addresses 23 Version 3.0IPv4 and IPv6ãIPv6 uses 12 8 bits rather than the 32 bits ãProvides 640 sextrillion addresses ãIPv6 addresses are 12 8 bits ... the host number 12 Version 3.0Network Access LayerãThe network access layer is also called the host-to-network layer. ãIt includes the LAN and WAN technology details 25 Version 3.0Static ... layer, Internet layer, and Network Access layer.TCP/IP Model 16 Version 3.0IPv4 AddressesãAn IP address is a 32- bit sequence of 1s and 0s ãEvery IP address has two parts The network portion...
... had.………………………………………………………………………………………… 10 . sometimes / camping / they / go / do ?………………………………………………………………………………………… 11 . with / friends / he / goes / usually / his / swimming.………………………………………………………………………………………… 12 . the / ... Name :……………………………………………Class : …………… Test 1 Put the words on the right order : 1. skip rope / you / after /do / school ?………………………………………………………………………………………… 2. works / than / Mr Bean / fewer / ... ?………………………………………………………………………………………… 18 . was / 19 99 / in / Violet / born ?………………………………………………………………………………………… 19 . were / My friends / playing / and / I / yesterday / at this time.………………………………………………………………………………………… 20 . often...