TCP/IP (71) layer protocols provide services to the application (72) running on a computer. The application layer does not define the application itself, but rather it defines (73) that applications need--like the ability to transfer a file in the case of HTTP. In short,the application layer provides an (74) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (75) layer consists of two main protocol options--the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP). (73)处填()。
A. services
B. processes
C. applications
D. address
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下图是HTML文件submit.html在IE中的部分显示效果。请完成下面submit.html中部分html代码。<form action=/cgi-bin/post-query method=POST>您的姓名:<input type=text name=姓名><br>您的主页的网址:<input type= text name=网址value=http://><br>密码:<input type=()name=密码><br><input type=submit value=“发送”><input type=()value=“重设”></form> <input type=submit value=“发送”><input type=()value=“重设”>
A. send
B. reset
C. restart
D. replace
IP地址块222.125.80.128/26包含了()个可用主机地址,这些可用地址中最小的地址是(),最大地址是()。 这些可用地址中最大地址是()
A. 222.125.80.128
B. 222.125.80.190
C. 222.125.80.192
D. 222.125.80.254
在下列应用层协议中,利用UDP实现无连接传输的是(),利用TCP实现面向连接传输的是()。 利用UDP实现无连接传输的是()
A. SMTP
B. FTP
C. TELNET
D. SNMP
以太网交换机的Console端口与PC机的()端口通过控制台电缆相连,默认的数据速率是()。 以太网交换机的Console端口与PC机的()端口通过控制台电缆相连。
A. COM
B. PPT
C. USB
D. 1394