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问题：单选题Which daemon is required to be running for Primary Domain Name Servers？（）A gatedB routedC iptraceD named...
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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：Which of the following cable types can cause interference on...
问题：单选题The local host on a small network is named Earth. There is also a remote host on the network named Saturn. The system administrator of the network is in the /u/tmp directory of Earth， and starts an ftp to Saturn as root. Which of the following sequen...
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Which of the following commands indicates the packet count for each interface？（）A lsattrB routeC netstatD ifconfig...
问题：单选题The internet address 198.102.27.120 represents which of the following addresses？（）A Class AB Class BC Class CD Class D...
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：To disable all tcpip deamons that are not required on a serv...
问题：单选题A host is to become part of a hierarchical naming topology. Which of the following services are required？（）A DHCPB Domain Name ServiceC Network Information ServiceD A hosts file...
问题：单选题Which of the following files contains the settings for the system’s DNS domain name and DNS servers？（）A /etc/hostsB /etc/resolv.confC /etc/netsvc.confD /etc/named.boot...
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In a DNS environment， the zone file that maps hostnames to IP address （sometimes called the named.hosts file）， is created on which of the following servers？（）A CacheB PrimaryC SecondaryD Primary and secondary...
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 command is used to turn ipforwarding on or off？（）A ifconfigB noC chdevD netstat...
问题：单选题Which of the following is TRUE about the ate program？（）A When running ate for the first time it will prompt for all the required information and configure all the required devicesB The program is used by cu to communicate to a remote systemC The progra...
问题：单选题What is the proper way to ensure that updates to the /etc/aliases file are seen by sendmail？（）A Refresh the named daemonB Run the alias commandC Refresh the snmpd daemonD Run the sendmail -bi command...
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 ...
