问题:如果杀毒软件报告一系列的Word文档被病毒感染,则可以推断病毒类型是(1),如果用磁盘检测工具(CHKDSK、SCANDISK等)检测磁盘发现大量文件链接地址错误,表明磁盘可能被(2)病毒感染。空白(2)处应选择()A、文件型B、引导型C、目录型D、宏病毒
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问题:商标法主要是保护()的权利。A、商标设计人B、商标注册人C、商标使用人D、商品生产者
问题:Windows系统中的服务程序SNMPTrap的作用是()。A、接收本地或远程SNMP代理发送的陷入信息B、向远程SNMP管理器发送陷入信息C、处理本地计算机上的陷入信息D、处理远程计算机发来的陷入信息
问题:A类网络100.0.0.0~100.255.255.255包含的主机地址数大约是()。A、3000万B、1600万C、6.4万D、1万
问题:An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5) is the optimum pathway? 空白(3)处应选择()A、destinationsB、routersC、packetsD、computers
问题:For (1) service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid having to choose a new (2) for every packet sent. Instead,when a connection is established, a route from the(3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) . That route is used for all traffic flowing over the connection, exactly the same way that the telephone system works.When the connection is released, the virtual circuit is also terminated. With connection-oriented service, each packet carries an (5) telling which virtual circuit it belongs to. 空白(2)处应选择()A、processorB、deviceC、routeD、terminal
问题:32位微处理器的32是指()。A、系统总线的宽度为32位B、处理的数据长度只能为32位C、CPU字长为32位D、通用寄存器数目为32个
问题:在Windows系统中,采用()命令不能显示本机网关地址。A、tracertB、ipconfigC、nslookupD、arp
问题:下面选项中,可用来标识Internet文档的是()。A、URLB、UTPC、UMLD、UDP
问题:下列网络互连设备中,属于物理层的是(1),属于网络层的是(2)。空白(2)处应选择()A、中继器B、交换机C、路由器D、网桥
问题:For (1) service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid having to choose a new (2) for every packet sent. Instead,when a connection is established, a route from the(3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) . That route is used for all traffic flowing over the connection, exactly the same way that the telephone system works.When the connection is released, the virtual circuit is also terminated. With connection-oriented service, each packet carries an (5) telling which virtual circuit it belongs to. 空白(4)处应选择()A、connectionsB、resources.C、bridgesD、routers
问题:IEEE802.3规定的最小帧长是()字节。A、46B、64C、512D、1500
问题:VPN涉及的关键安全技术中不包括()。A、隧道技术B、加密技术C、入侵检测技术D、身份认证技术
问题:按照域名系统的定义,域名www.sales.microsoft.com包含4个标识符,其中(1)是顶级域名,(2)是注册给组织或个人的二级域名。空白(1)处应选择()A、WWWB、salesC、microsoftD、com
问题:IEEE802.11标准定义的ADHOC网络是()。A、一种需要AP支持的无线局域网络B、一种不需要AP支持的点对点无线网络C、一种采用特殊协议的有线网络D、一种调整骨干数据的网络
问题:在SNMP支持的4种操作中,()用于修改对象的值。A、getB、get-nextC、setD、trap
问题:无线微波通信在数据通信中占有重要的地位,微波通信的特点是()。A、微波收到电离层的反射,可以传到很远的距离B、卫星微波系统需要4个以上的通信卫星才能覆盖地球表面C、微波频段的干扰少,传输质量高D、卫星微波通信的延迟小,适合交互式应用
问题:大型网络通常使用动态分配IP地址的配置方案,当用户第一次登录网络时广播一个(1)请求包,DHCP服务器以(2)应答包提供可租用的IP地址,然后再经过一次握手确认,用户就获得了可用的IP地址。空白(2)处应选择()A、DhcpdiscoverB、DhcpofferC、DhcprequestD、Dhcpa