以下为对IP:172.20.1.3进行网络通断测试(PING)命令的结果,表明网络运行状态良好,可以正常传输数据的显示结果为()A、Reply from 172.20.1.3: bytes=32 time=31ms TTL=61B、Reply from 172.20.1.3:TTL expired in transitC、Request timed outD、Destination Host Unreachable

以下为对IP:172.20.1.3进行网络通断测试(PING)命令的结果,表明网络运行状态良好,可以正常传输数据的显示结果为()

  • A、Reply from 172.20.1.3: bytes=32 time=31ms TTL=61
  • B、Reply from 172.20.1.3:TTL expired in transit
  • C、Request timed out
  • D、Destination Host Unreachable

相关考题:

如果在-台主机的Windows环境下执行Ping命令得到下列信息:Pinging www.nankai.edu.cn[202.113.16.33 ]with 32 bytes of data:Reply from 202.113.16.33:bytes=32 time<1ms TTL=128Reply from 202.113.16.33:bytes=32 time<1ms TTL=128Reply from 202.113.16.33:bytes=32 time<1ms TTL=128Reply from 202.113.16.33:bytes=32 time<1ms TTL=128Ping statistics for 202.1 13.16.33:Packets:Sent=4,Received=4,Lost=0(0%loss),Approximate round trip times in milli-seconds:Minimum=0ms,Maximum=Oms,Average=Oms那么下列结论中无法确定的是( )。A.为www.nankai.edu.cn提供名字解析的服务器工作正常B.本机使用的DNS服务器工作正常C.主机www.nankai.edu.cn上WWW服务工作正常D.主机www.nankai.edu.cn的网关配置正确

在某台主机上无法访问域名为www.bbb.cn的网站,而局域网中的其他主机可正常访问,在该主机上执行ping命令时有如下所示的信息:C:\ping www.bbb.cnPinging www.bbb.cn [202.112.0.36] with 32 bytes of data:Replay from 202.112.0.36:Destination net unreachable.Replay from 202.112.0.36:Destination net unreachable.Replay from 202.112.0.36:Destination net unreachable.Replay from 202.112.0.36:Destination net unreachable.Ping statistics for 202.112.0.36:Packets:Sent = 4,Received = 4,Lost = 0(0%loss),Approximate round trip times in milli-seconds:Minimum = 0ms,Maximum =0ms,Average =0ms分析以上信息,可能造成该现象的原因是__(33)__。A.该计算机设置的DNS服务器工作不正常B.该计算机的TCP/IP协议工作不正常C.该计算机连接的网络中相关网络设备配置了拦截的ACL规则D.该计算机网关地址设置错误

某单位网络结构如图1-1所示,网络中所有路由器均使用RIP协议。图1-1在网络部署完成后进行如下测试:1.在主机host101上对Router2的F0/0口及网络1的host1进行了连通性测试,结果如图1-2和图1-3所示。host101ping 192.168.0.1Pinging 192.168.0.1 with 32 bytes of data:Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Ping statistics for 192.168.0.1:Packets: Sent = 4,Received = 4,Lost = 0 (0% loss),Approximate round trip times in milli-seconds:Minimum = 1ms,Maximum = 1ms,Average = 1ms图1-2host101ping 192.168.0.2Pinging 192.168.0.2 with 32 bytes of data:Request timed out.Request timed out.Request timed out.Request timed out.Ping statistics for 192.168.0.2:Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),图1-32.在主机host3上对网络1进行了连通性测试,结果如图1-4所示。host13ping 192.168.0.2Pinging 192.168.0.1 with 32 bytes of data:Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Reply from 192.168.0.1: bytes=32 time=1ms TTL=64Ping statistics for 192.168.0.1:Packets: Sent = 4,Received = 4,Lost = 0 (0% loss),Approximate round trip times in milli-seconds:Minimum = 1ms,Maximum = 1ms,Average = 1ms图1-43.查看路由器Router3的路由表,结果如图1-5所示。Router3show ip routeR 192.168.0.0/24 [120/1] via 202.117.112.1, 00:00:24,Serial2/0C 192.168.1.0/24 is directly connected,FastEthemet0/0R 192.168.2.0/24 [120/1] via 202.117.114.1,00:00:01,Serial3/0202.117.112.0/30 is subnetted,1 subnetsC 202.117.112.0 is directly connected,Serial2/0R 202.117.113.0/30 [120/1] via 202.117.112.1,00:00:24,Serial2/0[120/1] via 202.117.114.1,00:00:01,Serial3/0202.117.114.0/30 is subnetted,1 subnetsC 202.117.114.0 is directly connected,Serial3/0图1-5【问题1】(6分)请填写hostl的Internet协议属性参数。IP地址: (1)子网掩码: (2)默认网关: (3)

阅读以下说明,回答问题1至问题4,将解答填入答题纸对应的解答栏内。 【说明】 某公司的IDC(互联网数据中心)服务器Server1采用Windows Server 2003操作系统,IP地址为172.16.145.128/24,为客户提供Web服务和DNS服务;配置了三个网站,域名分别为www.company1.com、www.company2.com和www.company3.com,其中company1使用默认端口。基于安全的考虑,不允许用户上传文件和浏览目录。company1.com、company2.com和company3.com对应的网站目录分别为company1-web、company2-web和company3-web,如图3-1所示。图3-1【问题1】(2分,每空1分) 为安装Web服务和DNS服务,Server1必须安装的组件有(1)和(2)。 (1)~(2)备选答案: A.网络服务 B.应用程序服务器 C.索引服务 D.证书服务 E.远程终端 【问题2】(4分,每空2分) 在IIS中创建这三个网站时,在图3-2中勾选读取、(3)和执行,并在图3-3所示的文档选项卡中添加(4)为默认文档。图3-2图3-3 【问题3】(6分,每空1分) 1、为了节省成本,公司决定在一台计算机上为多类用户提供服务。使用不同端口号来区分不同网站,company1使用默认端口(5),company2和company3的端口应在1025至(6)范围内任意选择,在访问company2或者company3时需在域名后添加对应端口号,使用(7)符号连接。设置完成后,管理员对网站进行了测试,测试结果如图3-4所示,原因是(8) 。图3-4 (8)备选答案: A.IP地址对应错误 B.未指明company1的端口号 C.未指明company2的端口号 D.主机头设置错误 2、为便于用户访问,管理员决定采用不同主机头值的方法为用户提供服务,需在DNS服务中正向查找区域为三个网站域名分别添加(9) 记录。网站company2的主机头值应设置为(10) 。 【问题4】(8分,每空2分) 随着company1网站访问量的不断增加,公司为company1设立了多台服务器。下面是不同用户ping网站www.company1.com后返回的IP地址及响应状况,如图3-5所示。 Microsoft windows[版本 5.2.3790] (c)版权所有 1985-2003 Microsoft Corp. C:\Usersping www.company1.com pinging company1.wscache.ourglb0.com[172.16.145.192]with 32 bytes of data: Reply from 172.16.145.192:bytes=32 time=11ms TTL=57 Reply from 172.16.145.192:bytes=32 time=13ms TTL=57 Reply from 172.16.145.192:bytes=32 time=15ms TTL=57 Reply from 172.16.145.192:bytes=32 time=13ms TTL=57 ping statistics for 172.16.145.192: packets:Sent=4,Received=4,Lost=00% Loss, Approximate round trip times in milli-seconds: Minimum=11ms,Maximum=15ms,Average=13ms Microsoft windows[版本 10.0.10586] (c)Microsoft Corporation. C:\Usersping www.company1.com pinging company1.wscache.ourglb0.com[172.16.145.192]with 32 bytes of data: Reply from 172.16.145.192:bytes=32 time=5ms TTL=57 Reply from 172.16.145.192:bytes=32 time=6ms TTL=57 Reply from 172.16.145.192:bytes=32 time=5ms TTL=57 Reply from 172.16.145.192:bytes=32 time=9ms TTL=57 ping statistics for 172.16.145.192: packets:Sent=4,Received=4,Lost=00% Loss, Approximate round trip times in milli-seconds: Minimum=5ms,Maximum=9ms,Average=6ms 图3-5 从图3-5可以看出,域名www.company1.com对应了多个IP地址,说明在图3-6所示的DNS属性中启用了(11) 功能。 在图3-6中勾选了启用网络掩码排序后,当存在多个匹配记录时,系统会自动检查这些记录与客户端IP的网络掩码匹配度,按照(12) 原则来应答客户端的解析请求。如果勾选了禁用递归,这时DNS服务器仅采用(13) 查询模式。当同时启用了网络掩码排序和循环功能时,(14) 优先级较高。 (14)备选答案: A.循环 B.网络掩码排序

参加下图,出现默认网关Ping 不通的情况,出问题的协议层是( )。 C: \ping 10.10.10.1 Pinging 10.10.10.1 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 10.10.10.1: Packets: Sent=4 ,Received=0,Lost=4 (100% loss)A.物理层B.网络层C.传输层D.应用层

某网络中PC1无法访问域名为www.aaa.cn的网站,而其他主机访问正常,在PC1上执行ping命令时有如下所示的信息: C:ping www.aaa.cn Pinging www.aaa.cn[202.117.112.36] with 32 bytes of data: Reply from 202.117.112.36: Destination net unreachable. Reply from 202.117.112.36:Destination net unreachable. Reply from 202.117.1 12.36:Destination net unreachable. Reply from 202.1 17.112.36: Destination net unreachable. Ping statistics for 202.117.112.36: Packets: Sent=4,Received=4,Lost=0(0% loss), Approximate round trip tunes in milli-seconds: Minimum=0ms, Maximum=0ms, Average=0ms 造成该现象可能的原因是( )。A.DNS服务器故障B.PC1上TCP/lP协议故障C.遭受了ACL拦截D.PC1上hternet属性参数设置错误

如果在一台主机的Windows环境下执行Ping命令得到下列信息Pinging www.nankai.edu.cn [202.113.16.33] with 32 bytes of data:Reply from 202.113.16.33:bytes=32time<1msTTL=128Reply from 202.113.16.33:bytes=32time<1msTTL=128Reply from 202.113.16.33:bytes=32time<1msTTL=128Reply from 202.113.16.33:bytes=32time<1msTTL=128Ping statistics for 202.113.16.33:Packets:Sent=4,Received=4,Lost=0(0% loss),Approximate round trip times in milli-seconds:Minimum=0ms,Maximum=0ms,Average=0ms那么下列结论中无法确定的是______。A) 为www.nankai.edu.cn提供名字解析的服务器工作正常B) 本机使用的DNS服务器工作正常C) 主机www.nankai.edu.cn上WWW服务工作正常D) 主机www.nankai.edu.cn的网关配置正确A.B.C.D.

常用来进行网络连通性检查的Ping命令工具,它的工作原理为()。 A.向目标主机发送UDP Echo Request数据包,等待对方回应UDP Echo Reply数据包B.向目标主机发送ICMP Echo Request数据包,等待对方回应ICMP Echo Reply数据包C.向目标主机发送UDP Echo Reply数据包,等待对方回应ICMP Echo Request数据包D.向目标主机发送ICMP Echo Reply数据包,等待对方回应ICMP Echo Request数据包

如果在一台主机的Windows环境下执行Ping命令得到下列信息 Pinging www.nankai.edu.cn [202.113.16.33] with 32 bytes of data: Reply from 202.113.16.33: bytes=32 time1ms TTL=128 Reply from 202.113.16.33: bytes=32 time1ms TTL=128 Reply from 202.113.16.33: bytes=32 time1ms TTL=128 Reply from 202.113.16.33: bytes=32 time1ms TTL=128 Ping statistics for 202.113.16.33: Packets: Sent = 4, Received = 4, Lost = 0 (0%loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms,Average = 0ms 那么下列结论中无法确定的是A.为www.nankai.edu.cn提供名字解析的服务器工作正常B.本机使用的DNS服务器工作正常C.主机www.nankai.edu.cn上WWW服务工作正常D.主机www.nankai.edu.cn的网关配置正确

Ping某计算机时,显示Reply from 200.1.1.1:Destinafion Host Unreachable。其中200.1.1.1是本机的IP地址。 A.错误B.正确

在 Windows 中,运行( )命令得到下图所示结果。以下关于该结果的叙述中,错误的是(请作答此空)。Pinging 59.74.111.8 with 32 bytes of data:Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Ping statistics for 59.74.111.8: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds:Minimum = 3ms, Maximum = 5ms, Average = 4ms)A.该命令使得本地主机向目标主机发送了 4 个数据包B.本地主机成功收到了目标主机返回的 4 个数据包C.本地主机与目标主机连接正常D.该命令用于查看目标主机的 IP 地址

在 Windows 中,运行(请作答此空)命令得到下图所示结果。以下关于该结果的叙述中,错误的是()。Pinging 59.74.111.8 with 32 bytes of data:Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Ping statistics for 59.74.111.8: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: Minimum = 3ms, Maximum = 5ms, Average = 4msA.ipconfig/allB.pingC.netstatD.nslookup

在 Windows 中,运行(请作答此空)命令得到下图所示结果。Pinging 59.74.111.8 with 32 bytes of data:Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Reply from 59.74.111.8: bytes=32 time=3ms TTL=60Reply from 59.74.111.8: bytes=32 time=5ms TTL=60Ping statistics for 59.74.111.8: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds:Minimum = 3ms, Maximum = 5ms, Average = 4ms)A.ipconfig/allB.pingC.netstatD.nslookup

A. Request timed outB. Reply from 1.1.1.1:Destination host unreachableC. Reply from 1.1.1.1:bytes=32 time=0ms TTL=255D. Reply from 2.2.2.2:bytes=32 time=0ms TTL=126

单站日酸雨观测资料上传数据文件上传至省中心服务器的IP、路径、用户名和口令分别为()A、172.20.1.3、atcm/、newopr、newoprB、172.20.1.3、cawn/、copy、copyC、172.20.1.3、dmsg/、copy、copy

在路由器的特权模式下,ping某个IP地址,若超时仍没收到对方响应报文,则输出()。A、request time outB、destination unreachableC、reply from x.x.x.x

生存时间TTL是IP数据报在网络上传输时可以生存的最大时间,每经过一个路由器,数据报的TTL值减1。

使用ping命令时,出现下列()信息,表明路由器的连接问题或路由器不能通过,或者是远程主机已经死机。A、NO answerB、timed outC、unknown hostD、Destination host unreachable

Reply from220.181.12.218:bytes=32time=65msTTL=55,上述结果中显示发送的数据包的生存时间是().A、32B、65C、55D、1

PING命令使用了哪种ICMP?正确的选项是()A、RedirectB、Source quenchC、Echo reply Destination unreachable

Ping某计算机时,显示Reply from 200.1.1.1:Destinafion Host Unreachable。其中200.1.1.1是本机的IP地址。

在TFDS系统网络中,可以用ping命令简单测试一下网络的通断状态。

单选题单站日酸雨观测资料上传数据文件上传至省中心服务器的IP、路径、用户名和口令分别为()A172.20.1.3、atcm/、newopr、newoprB172.20.1.3、cawn/、copy、copyC172.20.1.3、dmsg/、copy、copy

判断题生存时间TTL是IP数据报在网络上传输时可以生存的最大时间,每经过一个路由器,数据报的TTL值减1。A对B错

判断题Ping某计算机时,显示Reply from 200.1.1.1:Destinafion Host Unreachable。其中200.1.1.1是本机的IP地址。A对B错

单选题以下为对IP:172.20.1.3进行网络通断测试(PING)命令的结果,表明网络运行状态良好,可以正常传输数据的显示结果为()AReply from 172.20.1.3: bytes=32 time=31ms TTL=61BReply from 172.20.1.3:TTL expired in transitCRequest timed outDDestination Host Unreachable

判断题在TFDS系统网络中,可以用ping命令简单测试一下网络的通断状态。A对B错