TTL是什么？有什么用处，通常那些工具会用到它？（ping? traceroute? ifconfig? netstat?）
TTL是什么？有什么用处，通常那些工具会用到它？（ping? traceroute? ifconfig? netstat?）
相关考题：
Anadministratorneedstoreviewtheopenportsonahost.Whichofthefollowingcommands shouldtheyuse?() A.traceroute-dB.ping-tC.netstat-anoD.nbtstat-a
Userscomplaintheycannotcommunicatewithaserver.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly？（）A.netstat-inB.ifconfig-aC.arp-aD.cfgmgr
Whichofthefollowingcommandsgathersnetworkpacketstatistics?() A.netstat-iB.ifconfig-aC.errpt-aD.iptrace-i
Whichcommandwillshownetworkstatisticssuchaskernelmallocandmblkfailures?() A.ifconfig-mB.netstat-mC.iptrace-aD.errpt-a
WhichcommandwillshowallinterfacesandtheirIPaddressesonanAIXsystem?() A.entstat-dB.netstat-aC.ipconfig-lD.ifconfig-a
2. 请利用Ping命令扫描5个网址，并分别查看其TTL值，并说明相应的TTL值代表什么含义？