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
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/all
B.ping
C.netstat
D.nslookup
B.ping
C.netstat
D.nslookup
参考解析
解析:ping命令的作用的检查两个机器之间的连通性的。
相关考题:
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=128Reply from 202.113.16.33: bytes=32 time1ms TTL=128Reply from 202.113.16.33: bytes=32 time1ms TTL=128Reply from 202.113.16.33: bytes=32 time1ms TTL=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
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
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
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
Refer to the exhibit. What is the meaning of the output MTU 1500 bytes?() A.Themaximumnumberofbytesthatcantraversethisinterfacepersecondis1500.B.Theminimumsegmentsizethatcantraversethisinterfaceis1500bytes.C.Theminimumpacketsizethatcantraversethisinterfaceis1500bytes.D.Themaximumpacketsizethatcantraversethisinterfaceis1500bytes.E.Themaximumframesizethatcantraversethisinterfaceis1500bytes.
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.
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( )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.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( )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.netstat D.nslookup
在某机器上执行ping的结果如下:Pinging www.aaa.cn[202.117.112.36] with 32 bytes of datarequest time out。request time out。request time out。request time out。造成该现象可能的原因是( )。A.DNS服务器故障B.PC1上TCP/IP协议故障C.遭受了ACL拦截D.PC1上Internet属性参数设置错误
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
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
Which two statements are true when the extended system ID feature is enabled? ()A、The BID is made up of the bridge priority value(two bytes) and bridge MAC address (six bytes).B、The BID is made up of the bridge priority (four bits), the system ID (12 bits), and a bridge MAC address (48 bits).C、The BID is made up of the system ID (six bytes) and bridge priority value (two bytes).D、The system ID value is the VLAN ID (VID).E、The system ID value is a unique MAC address allocated from a pool of MAC addresses assigned to the switch or module.F、The system ID value is a hex number used to measure the preference of a bridge in the spanning-tree algorithm.
What are disadvantages of Network Address Translation Transparency?()A、There is no disadvantage.B、It will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).C、It will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).D、It will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.
单用户Ping包时延测试步骤()。A、邻小区开启B、测试终端处于主测小区内覆盖好点进行测试C、测试终端接入系统,发起32Bytes包,连续ping100次D、测试终端接入系统,发起32Bytes包,连续ping5次
What are the header sizes for point-to-point and multi-point GRE(also known asmGRE) with tunnel key?()A、 4 bytes for bothB、 4 bytes, and 8 bytes respectivelyC、 8 bytes for bothD、 24 bytes for both
单选题Refer to the exhibit. What is the meaning of the output MTU 1500 bytes?()A Themaximumnumberofbytesthatcantraversethisinterfacepersecondis1500.B Theminimumsegmentsizethatcantraversethisinterfaceis1500bytes.C Theminimumpacketsizethatcantraversethisinterfaceis1500bytes.D Themaximumpacketsizethatcantraversethisinterfaceis1500bytes.E Themaximumframesizethatcantraversethisinterfaceis1500bytes.
单选题What are the header sizes for point-to-point and multi-point GRE(also known asmGRE) with tunnel key?()A 4 bytes for bothB 4 bytes, and 8 bytes respectivelyC 8 bytes for bothD 24 bytes for both
多选题What are disadvantages of Network Address Translation Transparency?()AThere is no disadvantage.BIt will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).CIt will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).DIt will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.
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
单选题OTN2500-X3M的帧字节为9216bytes其中系统字节为()。A256 bytesB128 bytesC64 bytesD32 bytes