????Question 39.(???)

???????1???TCP/IP?????Э????????У????????

????1. TCP/IP?????????TCP??UDP????Э??088d7d9bf78a6d843a6c

????2. TCPЭ????????????????Э??

????3. UDPЭ??????????????????Э??

????4. UDPЭ????TCPЭ?鶼???????????????????

????Question 40.(???)

?????????????????????????????????

????1. ???????HTTPЭ?????Web????920cf82ab02f9bf592cc

????2. ???????NNTPЭ???????????????

????3. ???????FTPЭ???????????????

????4. ???????DNSЭ??????????????

????Question 41.(???)

???????й???alpha ??????????????????

????1. alpha ??????????????μ?52c750899b75b464c31c

????2. alpha ???????????????μ?

????3. alpha ????????????????

????4. alpha ?????????????????

????Question 42.(???)

???????????????????

????1. ?????????930e4141076981a385b2

????2. ??????????

????3. ?????????????

????4. ?????????

????Question 43.(???)

????????????????

????1. ????????????????????????Ч??????????????????0b240ce177927d9f1e3e

????2. ????漲????????????

????3. ?????????????

????4. ???????????????????漲?????????????????

????Question 44.(???)

??????????????????()

????1. ?????????????f73a996984b07c6af38d

????2. ??????????????????????

????3. ???????????????????

????4. ????????????

????Question 45.(???)

??????????????????????λ????????

????1. ???????????????????????????????cb3aca1ae2046065e640

????2. ?????????????????????????????????????

????3. ?????????????????????????????????????

????4. ????????????????????????????

????Question 46.(???)

????V??????????????????????

????1. ???????????c689c1d0e3ad60d5ada9

????2. ??????

????3. ??????????????

????4. ???????

????Question 47.(???)

????V?????????????????????

????1. ???????80cab8c456f8c5746673

????2. ???????

????3. ???????

????4. ??????

????Question 48.(???)

????V?????????????????????????

????1. ???????d8f918a4aaebcbf8bf7d

????2. ???????

????3. ???????

????4. ???????

????Question 49.(???)

?????????????????????????????????????

????1. ???????4a4d452035ffb93957f3

????2. ??????

????3. ?????????????

????4. ??????????

????Question 50.(???)

??????в?????????????

????1. ???????035754953ba653fad4bf

????2. ???????

????3. ???????

????4. ???????????