当前分类： IBM(000-236)
问题：单选题NFS is experiencing name service resolution difficulties. Which command reports the LEAST useful information in trouble-shooting this problem？（）A nfsstat -sB lssrc -s namedC ls -l /etc/resolv.confD nslookup hostname...
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问题：单选题Which of the following commands identifies all network adapter types that are installed in a machine？（）A lsdevB lsattrC ifconfigD netstat...
问题：单选题An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is...
问题：单选题Which of the following cable types can cause interference on the network when disconnecting any one machine？（）A CoaxialB Cat 1 UTPC Cat 3 UTPD Cat 5 UTP...
问题：单选题Which daemon is required to be running for Primary Domain Name Servers？（）A gatedB routedC iptraceD named...
问题：单选题A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0. Once a ping is attempted， it fails. Which of the following options is the most probable cause of the failed ping？（）A 0 is not valid in an IP addressB 128 ...
问题：单选题An adapter state does not show available after a reboot. Which of the following is the most probable cause？（）A DNS is not working properlyB Ping is not working properlyC The cables are disconnectedD The device driver did not load properly...
问题：单选题Users complain they cannot communicate with a server. The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured. Which command can be run to verify the adapter is configured correctly？（）A nets...
问题：单选题Which of the following commands indicates when an interface has a multicast capability？（）A lsdevB lsattrC netstatD ifconfig...
问题：单选题Which of the following functions does the "ifconfig en4 down" perform？（）A Removes the en4 interfaceB Removes the en4’s network routeC Stops all traffic through the en4 interfaceD Stops all traffic through the en4 and removes its network route from the ...
问题：单选题To disable all tcpip deamons that are not required on a server， which of the following files should be edited？（）A /etc/rc.nfsB /etc/rc.tcpipC /etc/rc.netD /etc/inetd.conf...
问题：单选题Which of the following parameters can prevent packet fragmentation on routers when connecting to remote networks？（）A mtuB sb-maxC rfc1323D tcp_mssdflt...
问题：单选题Which command is used to turn ipforwarding on or off？（）A ifconfigB noC chdevD netstat...
问题：单选题Which of the following Class A networks is reserved for "private networks" use only？（）A network 10.0.0.0B network 127.0.0.0C network 129.135.0.0D network 192.168.0.0...
问题：单选题To enable a tty port to be used for a cu session what must be done to the system？（）A smit tty； take the defaults and create the desired ttyB In the /etc/uucp Devices add a line similar to： Direct ttyX - 9600 directC Install bos.net.uucp and the first a...
问题：单选题A host is expected to be a mail relay or receiving endpoint. Which of the following daemons should be listening for connections on port 25？（）A ftpdB imapdC pop3dD sendmail...
问题：单选题All of the following settings will result in a getty process on the configured port EXCEPT： （）A EnableB DisableC ShareD Delay...
问题：单选题All of the following commands can be used to place an interface into the "down" state EXCEPT：（）。A arpB smitC chdevD ifconfig...
问题：单选题Which of the following entries is INVALID in the /etc/resolv.conf file？ （）A nameserver 127.0.0.1B # gargoyl is128.66.12.1C domainname peanut.comD search peanut.com cashew.com brazil.com almond.com...
问题：单选题Which command can be used to verify all the filesystems that are exported by an NFS server？（）A showmount -e hostnameB showmount -d hostnameC showmount -a hostnameD showmount...
