问题:单选题Which command is used to turn ipforwarding on or off?()A ifconfigB noC chdevD netstat...
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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:To disable all tcpip deamons that are not required on a serv...
问题:单选题Which DHCP allocation method allows automatic reuse of an address that is no longer needed by the lient to which it was assigned?()A AutomaticB DynamicC ReuseD Manual...
问题:单选题A modem is set up for a remote TTY connection that will become the system console. How should one verify that the console is enabled as the system console after the next reboot?()A lscons -bB lscons -dC lscons -sD swcons /dev/tty0...
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...
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Which daemon is required to be running for Primary Domain Name Servers?()A gatedB routedC iptraceD named...
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Which command will show network statistics such as kernel malloc and mblk failures?()A ifconfig -mB netstat -mC iptrace -aD errpt -a...
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When choosing a hostname, other machines will associate the name with()。A the IP addressB the MAC addressC inetdD port 80...
问题:单选题What is the proper way to refresh sendmail?()A sendmail -btB sendmail -baC refresh -s sendmailD startsrc -s sendmail...
问题:单选题Which command will change the quantity of biod daemons immediately and for each subsequent reboot?()A chnfs -b newvalueB chnfs -N -b newvalueC chnfs -I -b newvalueD netstat -s newvalue...
问题:Which of the following cable types can cause interference on...
问题:单选题An administrator has provided a 24 bit netmask. Which of the following options indicates the number of host addresses that are available in a network?()A 24B 126C 128D 254...
问题:单选题For SLIP to work, what should the "Enable Login" value be set to on both systems?()A EnableB DisableC ShareD Delay...
问题:To enable a tty port to be used for a cu session what must b...