Which option in named.conf specifies which host are permitted to ask for domain name information from the server? A. allowed-hosts B. accept-query C. permit-query D. allow-query E. query-group

這是個在2011年前就有的老掉牙問題，即便到了現在，還是會有一些Windows使用者上網發文問說他們的記憶體實際能夠使用的量要比安裝的量還要少，或是CPU明明就有很多核心，但是在Windows作業系統內卻沒有辦法看到和用到所有的核心。所以這些問題到底是什麼原因造成的呢？

What effect does the -f option to the update-rc.d command have on files in the /etc/rcX.d/ and /etc/init.d/ directories? A. It will force the removal of the symlinks in /etc/rcX.d/ even when the li...

Which of the following properties should be recorded in order to monitor the quality of a network link? (Choose two.) A. Bandwidth in both directions B. Number of nodes using the link C. Effectiv...

Which of the following commands displays the physical path of the kernel module named dummy? A. modprobe -i dummy B. modinfo -n dummy C. modpath -v dummy D. depmod -n dummy E. modshow -p dummy

Which command is used to install a GRUB boot loader into the master boot record? A. grub-install B. grub-mkconfig C. grub-install-mbr D. grub-glue-mbr E. grub-mbr-setup

Which of the following commands adds a static IPv6 address to the network interface eth0? A. ip add addr 2001:db8::1337/64 dev eth0 B. ip -6 add addr 2001:db8::1337/64 dev eth0 C. ip addr add 200...

Which of the following init systems comes along with an own UEFI boot loader? A. systemd B. SysVinit C. Upstart D. OpenRC E. launchd

Which of the following commands creates a Btrfs subvolume named volume in /mnt? A. btrfs subvolume add -n volume /mnt B. btrfs create subvolume /mnt volume C. btrfs-subvolume create /mnt/volume ...

In the output of sar -b, what does tps stand for? A. Terrabyte per second B. Traffic per second C. Transfers per second D. Total data per second E. Terrabit per second