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 routing table
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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 the first thing to be checked?()A There is an appropriate number of NFS daemons running on the server machineB There is an appropriate number of biod daemons running on the client machineC The server is not CPU boundD There is an appropriate number of biod daemons running on the server machine
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What is the proper way to refresh sendmail?()A sendmail -btB sendmail -baC refresh -s sendmailD startsrc -s sendmail
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 AIX device is associated with "Ethernet" framing?()A en0B et0C ent0D tok0
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 sequence of commands issued from the local host, Earth, will:()。 1.Check to see if there is an a.out file on remote host Saturn. 2.Change to the /u/new directory on Earth. 3.Transfer a.out from Earth to Saturn.A ls a.out cd /u/new put a.outB ls a.out cd /u/new get a.outC ls a.out lcd /u/new put a.outD ls a.out lcd /u/new get a.out
问题:单选题Which of the following commands should be used to alter the routing table on a running system without affecting the ODM settings?()A inetdB routeC cfgmgrD chdev
问题:单选题An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished?()A Use SMIT to have the server use DHCP instead of a static addressB Edit /etc/rc.tcpip and start the dhcpsd daemonC Use the network options command to enable ipforwardingD Edit /etc/rc.net to set network options back to default
问题:单选题Which of the following cable types is associated with an Ethernet with a RJ45 connector?()A 10Base2B 10Base5C 10BaseTD 10BaseF
问题:单选题The order of name resolution can be controlled. The default is: 1.DNS/BIND 2.NIS 3./etc/hosts To change the order of the above name resolutions, which of the following should be used?()A nslookupB hostnameC /etc/host.equivD environment variable NSORDER
问题:单选题A system administrator has added a new port entry in /etc/services for a new application to be tested. Which of the following commands should be used to activate this port?()A telinit -qB refresh -s inetdC startsrc -g servicesD refresh -s portmap
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 netstat -inB ifconfig -aC arp -aD cfgmgr
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 available tty will be configured for use by a cu sessionD Run the Asynchronous Terminal Emulation (ATE) program and it will configure a tty port for a cu session
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Which daemon is required to be running for Primary Domain Name Servers?()A gatedB routedC iptraceD named