为www.pku.edu.cn提供名字解析的服务器工作正常
本机配置的IP地址可用
本机使用的DNS服务器工作正常
本机的网关配置正确
第1题:
47_____
A.doubt
B.room
C.time
D.way
第2题:
A.NO answer
B.timed out
C.unknown host
D.Destination host unreachable
第3题:
A.重新询问的时间出离了
B.无应答
C.时间不能返回
D.请求超时
第4题:
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。
host101>ping 192.168.0.1
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Ping 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1-2
host101>ping 192.168.0.2
Pinging 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1-3
2.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。
host13>ping 192.168.0.2
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Reply from 192.168.0.1: bytes=32 time=1ms TTL=64
Ping 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1-4
3.查看路由器Router3的路由表,结果如图1-5所示。
Router3>show ip route
R 192.168.0.0/24 [120/1] via 202.117.112.1, 00:00:24,Serial2/0
C 192.168.1.0/24 is directly connected,FastEthemet0/0
R 192.168.2.0/24 [120/1] via 202.117.114.1,00:00:01,Serial3/0
202.117.112.0/30 is subnetted,1 subnets
C 202.117.112.0 is directly connected,Serial2/0
R 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,Serial3/0
202.117.114.0/30 is subnetted,1 subnets
C 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)
图1-2和图1-3连通性测试很快得知Router2的F0/0接口和host1的IP地址分别是192.168.0.1和192.168.0.2。图1-5中Router3路由表中学习到192.168.0.0/24的路由,可见对于host1而言,其网卡参数为中,IP地址为192.168.0.2,子网掩码为255.255.255.0,其网关为Router2的F0/0接口地址即192.168.0.1。
【问题1】(6分,每空2分)
(1)192.168.0.2
(2)255.255.255.0
(3)192.168.0.1
第5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
第6题:
A、so as
B、in order
C、in time
D、as
第7题:
A.unknown host
B.Destination host unreachable
C.NO answer
D.timed out
第8题:
A、CHAR
B、DATE
C、TIME
D、DATA
第9题:
A. cache statistics
B. client browser type
C. server response time
D. HTTP response codes
第10题:
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