Which of these tools can provide the most information about DNS queries? A. dig B. nslookup C. host D. named-checkconf E. named-checkzone

What is the command to add another IP address to an interface that already has (at least) one IP address? A. ifconfig eth0:1 192.168.1.2 B. ifconfig eth0 192.168.1.2 C. ipconfig eth0:1 192.168.1.2 D....

A network client has an ethernet interface configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Inter...

Which ONE of the following wireless tools can be used to check the wireless network link quality? A. iwconfig B. iwlink C. iwscan D. iwifi

A Linux machine freezes during boot. To boot directly to a shell prompt so that editing of files and manual starting of services is possible which command line must be passed to the kernel for the boo...

To make a system backup, the simplest and fastest way is to use the tar command. Select the correct alternative below that shows the three tar parameters that create, list and expand a tar file respec...

It is possible to configure kernel parameters at runtime (e.g. the maximum size of the shared memory segment (shmmax)). In which TWO ways can this be changed to 2GB (2147483648 Bytes) on a running sys...

Following the instructions contained in the README file of an application, the make command was executed but the following message was displayed on the screen: Make: *** No targets specified and no m...

Why is the root file system mounted read-only during boot and remounted with write permission later on?

A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CD-ROM, how can the lost GRUB first stage loader be recovered?