1、搁栀弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O
2、0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O净0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀O0搁弁耀0O弁箻翺|201025181047d7paysapi-支付宝27.38.240.630O尀弁髭翺|20
3、10251811497apaysapi-支付宝27.38.240.630O弁|20102518185281paysapi-微信wap27.38.248.390O弁翺|2010251822317dpaysapi-微信wap27.38.240.630O弁翺|201025182348e0paysapi-微信wap27.38.240.630O弁翺|20102518271990paysapi-微信wap27.38.240.630O搀弁恠塅翺|20102518383582paysapi-微信wap27.38.240.630O弁聠翺|2010251838395bpaysapi-微信wap27.38.240.
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7、0O弁慿态|2010251838395bpaysapi-微信wap;充值失败！27.38.240.270O搀弁憆态|20102518383582paysapi-微信wap;充值失败！27.38.240.270O弁憍态|20102518271990paysapi-微信wap;充值失败！27.38.240.270O弁憔态|2010251822317dpaysapi-微信wap;充值失败！27.38.240.270O弁憚态|20102518185281paysapi-微信wap;充值失败！27.38.240.27耀O搁怀梇耀O柽0搁氀怀坪耀O柽0搁氀怀坪耀O柽0搁氀怀坪耀O柽0搁氀怀坪耀O柽0搁氀怀
8、坪耀O柽0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀O0搁氀怀坪耀0搁韬开琀耀服务；设置DNS转发；设置黑白名单，限制用户访问；设置SyGate客户端等等。三、课程练习及参考答案1. 填空题（将答案填写在题目的横线处）（1）WWW服务主要通过 HTTP 协议向用户提供网页信息。（2）默认时，FTP服务所使用的TCP端口为 21 。（3）如果一个Web网站所使用的IP地址为：192.168.0.200，TCP端口号为：4040，则用户应该在Web浏览器的地址栏中输入 http:/192.168.0.20
9、0:4040 熀耀舀詶世壈nagement, Fixes for sudden App closure, issues with wireless connections, notifications etc. It is open source and business friendly. The user can choose to replace built-in applications with applications of their choice. Many versions of Android have been released since its original re
10、lease. 1. Android: An Overview SL4A 2 The Android software stack comprises of different layers, each layer manifesting well-defined behavior and providing specific services to the layer above it. The following figure presents a broad architecture of Android with its primary components. Linux Kernel
11、Android is built on the Linux kernel code modified to run on embedded systems as against the traditional Linux system. Hardware drivers for many common devices are built into the kernel, thereby ensuring device portability. It is based on secure user based permission model, which prevents one applic
12、ation from reading another applications information or from interfering with its execution (e.g. CPU, memory, devices etc.). Group ID based access to networking and Bluetooth features, logger, alarm, power management, low memory killer, Binder IPC mechanisms are a few noted enhancements to the Kernel. Libraries an
