Which of the following commands is used to list contents of directories ?
Which of the following commands is used to list contents of directories ?
A. ls
B. lp
C. dir
D. tar
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Which operator will be used with chmod command to assign absolute permission ?
Which operator will be used with chmod command to assign absolute permission ?A. +
B. –
C. =
D. %Layer one of the OSI model is_______________________?
Layer one of the OSI model is_______________________?A. network layer
B. transport layer
C. physical layer
D. physical layerWhat file contains the list of port numbers (and associated names) monitored by inetd ?
What file contains the list of port numbers (and associated names) monitored by inetd ?A. /etc/services
B. /etc/nsorder
C. /etc/nsswitch.conf/
D. /etc/hostsThe IP address are based on________________?
The IP address are based on________________?A. 16-bit addresses
B. 32-bit addresses
C. 64-bit addresses
D. 8-bit addressesTo build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?
To build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?A. /usr/local
B. /usr/src/linux
C. /usr/sre/redhat
D. /usr/binWhich command can force all buffers to disk ?
Which command can force all buffers to disk ?A. save
B. sync
C. edbuff
D. flush