问题:单选题In a TCP/IP network, which of the following commands utilizes the ICMP protocol?()A rcpB tftpC pingD rpcinfo
查看答案
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 cables is the most susceptible to physical damage by rough handling?()A CoaxialB Fiber opticC Cat 3 UTPD Cat 5 UTP
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 of the following class networks contains 65,534 hosts?()A Class AB Class BC Class CD Class D
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 command can be used to modify network options?()A netstatB ifconfigC chdevD no
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Which command can be used to verify that filesystems are being exported by a server?()A showmount -e ServerNameB vi /etc/exportsC startsrc -g nfsD exportfs -i FileSystemName
问题:单选题A host is to be part of a very small private network, which will never be connected to any other networks. Which of the following name resolution schemes would be the easiest to implement?()A DNSB NISC DHCPD etc/hosts file
问题:单选题Which of the following files should be edited so that tftpd is running with the -n option?()Aetc/servicesB /etc/inetd.confC/etc/tftpd.confD/etc/rc.net
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A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed: # cu -ml tty2 cu: 0835-028 The connection failed. NO DEVICES AVAILABLE. Which of the following should be performed to correct this error?()A Create an entry for tty2 in the /etc/uucp/Devices fileB Re-enter the command as cu -dml tty2C Create an entry for tty2 in the /etc/uucp/Systems fileD Re-enter the command as cu -s 9600 -dh -t -l tty2
问题:单选题All of the following are involved in adding or removing routes from the AIX routing table EXCEPT:()。A arpB ripC icmpD ifconfig
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 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