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【判断题】
当涉及通信的所有点串联起来,而且首尾相连,没有任何点开放时就形成了环型结构。
A. 对
B. 错
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相关试题
【判断题】
数据通讯中设备端口的工作模式有三种,分别是单工、半双工、全双工
A. 对
B. 错
【判断题】
广域网(WAN)的分组方式是一种存储转发的交换方式。
A. 对
B. 错
【判断题】
计算机的存储系统一般指内存储器和外存储器。
A. 对
B. 错
【判断题】
我们平常使用的micro sd卡指的就是TF卡
A. 对
B. 错
【判断题】
计算机网卡的MAC地址固化在网卡的ROM里面。
A. 对
B. 错
【判断题】
MAC地址实际上就是设备的IP地址。
A. 对
B. 错
【判断题】
只要不上网计算机就不会感染病毒。
A. 对
B. 错
【判断题】
为保障网管计算机工作电源稳定,建议使用UPS供电。
A. 对
B. 错
【判断题】
防火墙自身具有非常强的抗攻击能力,能解决来自内部网络的攻击。
A. 对
B. 错
【判断题】
OSI的参考模式仅包括物理层,网络层,会话层,表示层,应用层
A. 对
B. 错
【判断题】
与OSI参考模型一样,TCP/IP协议(传输控制协议/网际协议)也分为七层。
A. 对
B. 错
【判断题】
HUB和交换机一样,都是工作在数据链路层的设备。
A. 对
B. 错
【判断题】
交换机可以隔离冲突域,路由器可以隔离广播域
A. 对
B. 错
【判断题】
路由器工作在数据链路层。
A. 对
B. 错
【判断题】
在计算机网络中调制解调器能进行信号的数/模,模/数转换。
A. 对
B. 错
【判断题】
TCP/IP在网络层是无连接服务。
A. 对
B. 错
【判断题】
在Windows系统的PC上,可以通过输入命令“ipconfig”来查看PC的IP配置信息。
A. 对
B. 错
【判断题】
UDP协议保证可靠性传输。
A. 对
B. 错
【判断题】
TCP协议是面向连接的传输协议
A. 对
B. 错
【判断题】
Telnet 程序是基于UDP的一种上层应用程序,它使用的端口号23。
A. 对
B. 错
【判断题】
OSPF是外部网关路由协议。
A. 对
B. 错
【判断题】
IP协议是网络层协议,它包括地址访问信息和路由数据包的控制信息。
A. 对
B. 错
【判断题】
IP协议是无连接的,因此其传输是不可靠的。
A. 对
B. 错
【判断题】
IP协议为面向无连接协议,主要负责主机和网络之间数据包的寻址和路由。
A. 对
B. 错
【判断题】
TELNET,SMTP,FTP协议工作在TCP协议基础上
A. 对
B. 错
【判断题】
UDP协议为面向连接的传输控制协议,提供可靠传输。
A. 对
B. 错
【判断题】
ARP为地址解析协议,通过MAC地址解析IP地址。
A. 对
B. 错
【判断题】
ARP实现IP地址到物理地址的转换, RARP实现物理地址到IP地址的转换。
A. 对
B. 错
【判断题】
RARP协议的作用是寻找网络设备的硬件地址。
A. 对
B. 错
【判断题】
IP报文每经过一个网络设备,包括Hub、LanSwitch和路由器,TTL值都会被减去一定的数值
A. 对
B. 错
【判断题】
IPv4 地址长度4个字节,IPv6地址长度6字节。
A. 对
B. 错
【判断题】
IPv6的IP地址由64位二进制数字组成。
A. 对
B. 错
【判断题】
IPv6地址长度是IPv4的4倍,采用8段十进制数表示,中间使用冒号隔开
A. 对
B. 错
【判断题】
IPV6是下一版本的互联网协议,采用32位地址长度,可不受限制提供地址。
A. 对
B. 错
【判断题】
一台主机只能有唯一的一个IP地址。
A. 对
B. 错
【判断题】
一台路由器的任意两个业务接口地址的IP可以在同一个网段里。
A. 对
B. 错
【判断题】
路由器在进行数据转发时候是根据查看数据包的目的IP地址和路由表的表项来完成的。
A. 对
B. 错
【判断题】
子网掩码与IP地址的格式相同。
A. 对
B. 错
【判断题】
一个C类地址的掩码是255.255.255.240,则该网段上可用的主机数最多是16个
A. 对
B. 错
【判断题】
IP地址192.168.1.250/28的子网掩码是255.255.255.224。
A. 对
B. 错
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