单选题 When setting up a modem, which of the following files MUST be edited in order to configure it?()
/etc/rc.tcpip
/etc/uucp/Devices
/etc/rc.net
/etc/uucp/Dialcodes
单选题 How is DHCP enabled on a server?()
Use network options to enable ipforwarding
Edit /etc/rc.tcpip and enable dhcpsd
Edit /etc/rc.nfs increase the number of biod daemons
Use SMIT to set the server to use DHCP instead of static IP addresses
单选题 Which of the following parameters can prevent packet fragmentation on routers when connecting to remote networks?()
mtu
sb-max
rfc1323
tcp_mssdflt
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?()
0 is not valid in an IP address
128 is a reserved network
The subnet mask should be 255.255.0.0. since it is a class B
A network problem has occurred since IP and subnet are valid
单选题 When run on a machine called client, which of the following commands would mount the /usr/local/bin directory from the host machine over the /home/bin directory on client?()
mount host:/usr/local/bin /home/bin
mount client:/home/bin /usr/local/bin
mount -o client:/usr/local/bin /home/bin
mount -n host:/home/bin /usr/local/bin
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?()
DNS
NIS
DHCP
etc/hosts file
单选题 Which command can be used to modify network options?()
netstat
ifconfig
chdev
no
单选题 A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly?()
/etc/resolv.conf
/etc/rc.tcpip
/etc/aliases
/etc/hosts.equiv
单选题 On a system wide basis, which of the following procedures is best to make NIS name resolution take precedence over DNS?()
Remove the /etc/resolv.conf file
Unset the NSORDER environment variable
Add the following line to /etc/netsvc.conf: hosts=nis,bind,local
In a NIS and DNS environment, NIS takes precedence so there is nothing to change
单选题 Which of the following commands indicates the available state of a physical adapter?()
lscfg
lsdev
netstat
ifconfig
公文的发文闭合程序?
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牵引装置的分类,可分为()。
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