2. 计算机
  3. Most IP layer-based proxy mechanisms，such as network address translation (NAT)，only supportuni-directional proxy，from the intern

Most IP layer-based proxy mechanisms，such as network address translation (NAT)，only supportuni-directional proxy，from the intern

admin2010-12-16  73
问题 Most IP layer-based proxy mechanisms，such as network address translation (NAT)，only supportuni-directional proxy，from the internal network to external network(the Interned．The proxvestablishes the communication channel by (71) IP addresses．The IP addresses must be (72) ．These proxy mechanisms prevent applications that must establish return data channels from establishing their data channels，such as，multimedia applications．IP layer-based proxy mechanisms need additional software (73) for each application that uses (74) channels． SOCKS identifies communication targets through domain names，overcoming the restriction of Usina private IP addresses．SOCKS can use domain names to establish communication between separate LANs，with (75) IP addresses．
选项 A、plenty
B、many
C、multiple
D、more
答案C
解析
转载请注明原文地址:https://kaotiyun.com/show/QbkZ777K
本试题收录于： 网络管理员上午基础知识考试题库软考初级分类
0

网络管理员上午基础知识考试

软考初级

相关试题推荐
随机试题
最新回复(0)