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问答题
执行扩展的trace命令、回答交互询问时，对minimum time to live 和maximum time to live不采用默认值，有什么用处？
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更多 “问答题执行扩展的trace命令、回答交互询问时，对minimum time to live 和maximum time to live不采用默认值，有什么用处？” 相关考题
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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
考题
Referring to the exhibit, which statement is correct?()
A. The packets have exceeded the time-to-live value.B. There is a loop.C. The asterisks indicate a response time out.D. The asterisks indicate that the traceroute is completed.
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Fish is______and expensive at this time of the year in this area.A．in large measureB．to the minimumC．in short supplyD．to the maximum
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The maximum difference between mean time and apparent time is ______.A.equal to the longitude expressed in time unitsB.about 16 minutesC.the difference between the GHA of mean sun and the first point of AriesD.15°of arc
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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
考题
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/all
B.ping
C.netstat
D.nslookup
考题
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
考题
Which three statements correctly describe the features of the I/O calibration process?（）A、Only one I/O calibration process can run at a time.B、It automates the resource allocation for the Automated Maintenance Tasks.C、It improves the performance of the performance-critical sessions while running.D、It can be used to estimate the maximum number of I/Os and maximum latency time for the system.E、The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE.
考题
When debugging a routing problem, the time-to-live (TTL) value can be used to determine:（）A、Number of routes available.B、Number of router hops.C、Time that an advertised route is valid.D、Time to make a round trip.
考题
What are minimum and maximum number of extent pools on an IBM System Storage DS8800 with 64 physical disks（）A、the minimum is 1 and the maximum is 8B、the minimum is 2 and the maximum is 8C、the minimum is 2 and the maximum is 16D、the minimum is 1 and the maximum is 64
考题
What is the maximum suppress time for a dampened route, by default?（）A、5 minutesB、30 minutesC、60 minutesD、90 minutes
考题
What is the maximum suppress time for a damped route， by default？（）A、5 minutesB、30 minutesC、60 minutesD、90 minutesE、120 minutes
考题
单选题The maximum difference between mean time and apparent time is （）.A
equal to the longitude expressed in time unitsB
about 16 minutesC
the difference between the GHA of mean sun and the first point of AriesD
15°of arc
考题
单选题What are minimum and maximum number of extent pools on an IBM System Storage DS8800 with 64 physical disks（）A
the minimum is 1 and the maximum is 8B
the minimum is 2 and the maximum is 8C
the minimum is 2 and the maximum is 16D
the minimum is 1 and the maximum is 64
考题
单选题If the goods shipped are perishable，low cost goods，live animals，deck cargo，etc.，the freight and all related charges shall be paid（）.A
at the time of shipmentB
on vessel's arrivalC
at the time of sailingD
at the time the voyage has been accomplished
考题
单选题In a Java EE messaging application, one MDB is consuming a lot of memory at high traffic. What configuration should you use to prevent possible out-of-memory error at high traffic and at the same time not losing messages?（）A
Configure a Work Manager for the MDB with a Maximum Thread Constraint.B
Configure a Work Manager for the MDB with a Minimum Thread Constraint. C
Configure a Work Manager for the MDB with a Maximum Thread Constraint and a Capacity Constraint. D
Configure a Work Manager for the MDB with a Minimum Thread Constraint and a Capacity Constraint. E
Configure a Work Manager for the MDB with both a Maximum Thread Constraint and Minimum Thread Constraint.
考题
单选题（）provides a paper trace of course steered by the vessel against time.A
The echo sounderB
The radarC
The course recorderD
The direction finder
考题
单选题When current and voltage reach maximum values at the same time, the power factor is（）A
minimumB
maximumC
leadingD
lagging
考题
单选题Referring to the exhibit, which statement is correct?（）A
The packets have exceeded the time-to-live valueB
There is a loopC
The asterisks indicate a response time outD
The asterisks indicate that the traceroute is completed.
考题
单选题Refering to the exhibit, which statement is correct?（）A
The packets have exceeded the time-to-live valueB
There is a loopC
The asterisks indicate a response time outD
The asterisk indicate that the traceroute is completed
考题
多选题In your production database， you have multiple resource plan directives that refer to the customer group DB_GRP. Which two statements are correct？ （）AThe parallel degree limit for DB_GRP will be the minimum of all the incoming values.BThe parallel degree limit for DB_GRP will be the maximum of all the incoming values.CThe maximum estimated execution time for DB_GRP would be the most nonrestrictive of all incoming values.DIf a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time， then that session would not execute if the active session pool for the new consumer group was full.EIs a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time， then that session would execute even if the active session pool for the new consumer group was full.
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