一台计算机的IP地址为211.34.114.254,使用标准掩码,未设置网关,Ping211.34.113.3,回应为()
A: Reply?form?211.34.113.3:bytes=32?time=2ms?TTL=255
B: Request?timed?out
C: Destination?Host?Unreachable
D: Reply?from?211.34.113.3:?Destination
A: Reply?form?211.34.113.3:bytes=32?time=2ms?TTL=255
B: Request?timed?out
C: Destination?Host?Unreachable
D: Reply?from?211.34.113.3:?Destination
C
举一反三
- 一台计算机的IP地址为211.34.114.254,使用标准掩码,未设置网关,Ping211.34.113.3,回应为() A: Reply?form?211.34.113.3:bytes=32?time=2ms?TTL=255 B: Request?timed?out C: Destination?Host?Unreachable D: Reply?from?211.34.113.3:?Destinatio
- }如果本机IP地址为:172.168.200.2。 则执行命令Ping 172.168.200.2。} Reply from 172.168.200.2 bytes=32 time<21ms Reply from 172.168.200.2 bytes=32 time<10ms Reply from 172.168.200.2 bytes=32 time<10ms Reply from 172.168.200.2 bytes=32 time<10ms }Ping statistics for 172.168.200.2 } Packets Sent=4 Received=4 Lost=0 0% loss }Approximate round trip times in milli-seconds } Minimum=0ms Maximum=1ms Average=0ms 则表明本机的()安装配置没有问题
- 12.网络管理员在AR G3系列路由器上使用ping命令来测试到达10.0.0.2的连通性,下面关于输出描述正确的是()。 PING 10.0.0.2: 800 data bytes, press CTRL_C to break Reply from 10.0.0.2: bytes=800 Sequence=1 ttl=255 time=40 ms Reply from 10.0.0.2: bytes=800 Sequence=2 ttl=255 time=30 ms - 10.0.0.2 ping statistics --- 2 packet(s) transmitted 2 packet(s) received 0.00% packet loss round-trip min/avg/max = 30/35/40 ms
- Ping命令的-i参数是用来设置? A: 发送Echo Request报文的接口 B: 发送Echo Request报文的源IP地址 C: 接收Echo Reply报文的接口 D: 接收Echo Reply报文的目的IP地址
- Which of the following will generate an ICMP message? A: Unreachable destination B: The TTL value of a packet reaches zero C: Echo request D: All of the choices
内容
- 0
路由表中包含的项目() A: 目的IP(DestinationIP) B: MAC地址(Destination)、网络掩码(Mask) C: 目的地址(Destination)、网络掩码(Mask) D: 输出接口(Interface)、下一跳IP地址(Nexthop)
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Ping命令发送的报文是( )。 A: Echo Request B: Echo Reply C: Time Exceeded D: LCP
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若使用Ping命令向目标主机发送ICMP回应请求(ICMP echo request),并且目标主机返回ICMP回应应答(ICMP echo reply),则可判断:
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当使用ping命令时出现如下结果“Request Timed Out”,则说明( )。
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Consider a TCP connection between Host A and Host B. Suppose that the TCP segment traveling from Host A to Host B have source port number x and destination port number y. What are the source and destination port numbers for the segments traveling from Host B to Host A?