Objective 1 - Hardware and System Configuration

Question #9 of 42 What is the correct order of steps for booting of a Linux machine? 1. GRUB 2. MBR 3. POST 4. BIOS 5. Primary Partition 6. Stage 2 Bootloader

1. BIOS 2. POST 3. MBR 4. GRUB 5. Primary Partition 6. Stage 2 Bootloader

Question #21 of 42 You need to manually install GRU62 on a BIOS system. Choose the correct installation steps from the left and place them into the correct order on the right. 1. Find the primary hard drive 2. Install GRUB2 in the MBR 3. List block devices 4. Reboot the system 5. Create the GRUB2 configuration file

1. Create the GRUB2 configuration file 2. List block devices 3. Find the primary hard drive 4. Install GRUB2 in the MBR 5. Reboot the system

Question #4 of 42 You are troubleshooting your Linux network server. You need to check all the active network and UNIX domain socket connections. What will you use to do this? A) iwconfig B) netstat C) ethtool D) nslookup

B) netstat

Question #14 of 42 You need to improve the storage capability for your Linux machine. You decide to change ext2 to ext3 for all existing filesystems. What will you use to convert an ext2 filesystem to an ext3 in Linux? A) xfs_info B) tune2fs C) dumpe2fs D) fsck

B) tune2fs

Question #23 of 42 Which file would you need to DELETE if you needed to change the actual time zone that is selected for your Linux machine? A) /etc/localtime B) /etc/timezone C) /etc/sysconfig/clock D) /usr/share/zoneinfo

A) /etc/localtime

Question #31 of 42 Due to a security risk to your network, you need to temporarily disable IP forwarding for the network's Linux server machine. Which file will you access to do this? A) /etc/sysconfig/network B) /etc/hosts C) /etc/host.conf D) /etc/resolv.conf

A) /etc/sysconfig/network

Question #30 of 42 You need to install Linux, but you do not know the details of the computer's hardware. You need an installation method that can automatically analyze and configure the hardware for installation. What should you use? A) Anaconda B) PVC C) NAT D) Linux containers

A) Anaconda

Question #29 of 42 You are working on a system that has UEFI firmware. You need a bootloader for this. Which will you choose? A) GRUB2 B) mkinitrd C) initramfs D) vmlinux

A) GRUB2

Question #41 of 42 Which disk type would you prefer to use for a Linux virtual machine that also allows the physical disk to be used by other virtual machines? A) Thin B) Edge zeroed thick C) PVC D) Thick

A) Thin

Question #38 of 42 Your Linux machine has recently been fitted with several new PCI cards among other hardware devices. You want to see a list of all these detected devices. You boot up the system. Which command will you use to get information on detected hardware devices after the system boots? A) dmesg B) modprobe C) modinfo D) lsmod

A) dmesg

Question #27 of 42 What is the first filesystem loaded into the system's memory when Linux starts up? A) initramfs B) dmesg C)PXE D) grub2

A) initramfs

Question #40 of 42 As a Linux system administrator you want to keep the system running as efficiently as possible. You find that the kernel may have become bloated with too many modules. You need to remove a few modules from the Linux kernel while accounting for all their existing dependencies. Which command will you use? A)modprobe B) insmcd C) lsmcd D) modinfo

A)modprobe

Question #34 of 42 You need to use a disk type for a Linux virtual machine that has no remnants of past data and no other virtual machine is using it. Which will you use? A) PVC B) Edge Zeroed Thick C) Thin D) JSON

B) Edge Zeroed Thick

Question #28 of 42 What will you use to allow a single NIC on a computer to be used by several other virtual NICs? A) Kickstart B) Linux bridge C) YAML D) PVC

B) Linux bridge

Question #11 of 42 You work for an enterprise that wants to set up a data center that can provide a virtual computing environment for its end users without the need for installing a separate operating system on existing computing hardware. What would you use? A) YAML B) Type 1 Hypervisors C) Type 2 Hypervisors D) JSON

B) Type 1 Hypervisors

Question #17 of 42 You are running a virtual machine on a Linux system. You have various options for connecting guests and hosts on the KVM. What would be your preferred option? A) libvrt B) brctl C) YAML D) JSON

B) brctl

Question #1 of 42 You have recently changed the Network Interface Controller for your Linux machine. Which file will you need to update to reflect this change? A) /etc/hostname B) /etc/sysconfig/network/ C) /etc/sysconfig/network-scripts/ D) /etc/nsswitch.conf i.; E) resolv.conf

B) etc/sysconfig/network/

Question #20 of 42 As the network administrator, you find that there is an error in how the DNS server is resolving IP addresses resulting in connectivity issues. Which file would you look at to check the problem? A) /etc/hosts B) /etc/nsswitch.conf C) /etc/resolv.conf D) /etc/netplan

C) /etc/resolv.conf

Question #42 of 42 Your Linux system has just encountered hard drive failure and has no USB or CDROM drives. Which option(s) can you use to boot up the system? (Choose all that apply.) A) initramfs B) vmlinux C) 8K0 D) GRU82 E) netboot.me

C) 8K0 E) netboot.me

Question #13 of 42 You start up a Linux machine. Instead of the usual startup screen, you see the output as given below: <IRQ> [<ffffffff9123d123>] ? warn_slowpath_common+0x76/0xe1 [<ffffffff9123e345>] ? warn_slowpath_null+0x2b/0x30 [<ffffffff9123f234>] ? native_smp_send_reschedule+Ox3d/0x90 [<ffffffff9123g678>] ? scheduler_tick+0x2e/0x70 [<ffffffff9123d123>] ? tick_sched_timer+Ox1b/0x50 [<ffffffff9123c789>] ? local_apic_timer_interrupt+Ox3b/0x40 What does this output indicate? A) PXE failed to load B) UEFI disabled during boot up C) Kernel Panic has occurred D) GRUB2 configuration file corrupted

C) Kernel Panic has occurred

Question #16 of 42 You are a Linux system administrator. You will be out of office for a full day and need to get Linux installed during the afternoon that day. What should you use to help you install Linux without your direct personal involvement? A) Cloud-init B) Anaconda C) Kickstart D) A Linux container

C) Kickstart

Question #33 of 42 Which would you prefer to use to perform a claim check for a physical hardware resource like disk space? A) Kickstart B) NAT C) PVC D) Linux bridge

C) PVC

Question #22 of 42 You need an interface to boot a Linux system that supports remote diagnostics and troubleshooting in case there is an issue. Which of these would you choose? A) GRUB2 B) PXE C) UEFI D) NFS

C) UEFI

Question #35 of 42 You need to know the names of the currently mounted filesystems, including their disk space used. Which command will you use? A) iostat B) fdisk C) df D) parted

C) df

Question #2 of 42 You are running out of storage space on your Linux machine. You need to view information related to disk usage to ascertain the cause of the space running out. Which command will you use to view only the summary information for disk usage on your Linux machine? A) du -S B) du -h C) du -s D) du -H

C) du -s

Question #12 of 42 You decide to implement a RAID array for your Linux machine. Which utility will you use to do this? A) parted B) fdisk C) mdadm D) mkfs

C) mdadm

Question #3 of 42 You are the network administrator for a Linux network. You need to check the IP addressing performed by the network server. Which file on your Linux system contains mapping of IP addresses to the respective domain names? A) /etc/sysctl.conf B) /etc/dhcp/dhclient.conf C) /etc/nsswitch.conf D) /etc/hosts

D) /etc/hosts

Question #37 of 42 Which locale code would you NOT use of you needed to support Asian languages on your Linux machine? A) Unicode B) 150-8859 C) UTF-8 D) ASCII

D) ASCII

Question #6 of 42 You need to install GRUB2 on your Linux system. Which is the FIRST thing that you will do? A) Locate the primary hard disk B) Find the block devices on the system C) Install GRUB2 on the MBR D) Create the GRUB2 configuration file

D) Create the GRUB2 configuration file

Question #24 of 42 You have a module named my_kernel_module for which you need to view a list of all dependencies with other modules. Which command should you run? A) insmod B) rmmod C) dmesg D) depmod

D) depmod

Question #10 of 42 You need to safeguard your Linux machine from losing data in the event of a crash. You decide to bring in the journaling feature to your Linux system. Which of these provides journaling capability in storage systems for a Linux machine? A) blkid B) ext2 C) fdisk D) ext3

D) ext3

Question #5 of 42 You are running a Linux virtual machine. Which command will you prefer to use to view a list of all the defined networks in the KVM? A) brctl B) PVC C) kickstart D) libvrt

D) libvrt

Question #36 of 42 Your Linux system has several network connections running at the same time. You find that the network bandwidth is not able to handle the current network connections. You decide to remove some of them. You need to view them all and deactivate some of them. Which command will you use? A) brctl B) host C) SS D) nmcli

D) nmcli

Question #39 of 42 You find that you are unable to access a website using its IP address Which command will you use to check your network connection? A) ip address show mila.example.com B) dig www.example.com C) route address show www.example.com D) ping -c 10 www.example.com

D) ping -c 10 www.example.com

Question #25 of 42 You finish working on data from a USB drive attached to your Linux system. You don't need the drive anymore. You want to remove the drive without causing any loss of data to it. What command would you run? A) fstab B) fsck C) mount D) umount

D) umount

Question #19 of 42 __________ is the command you will use to modify the time zone for your Linux machine if you were moving from the East Coast to US Central. (Enter the command only.)

cp or ln

Question #32 of 42 ___________is the command you would use to create an initramfs image for a Linux system. (Enter the command only.)

dracut

Question #26 of 42 _________ is the command you will use to display or change the filesystem label on an ext3 filesystem. (Enter the command only.)

e2label

Question #18 of 42 ____________ is the command you will use to modify the time on the system's clock. (Enter the command only.)

hwclock or timedatectl

Question #8 of 42 __________ is the command you will use to view soft links across all the filesystems on your Linux machine (Enter the command and flag only.)

ls -l

Question #15 of 42 Which command would display information as displayed in the following output: Module Size Used By Vfat 9674 1 vfat usb_storage 86620 1 xt_limit 1656 15 Enter the correct command in the field:

lsmod or modinfo

Question #7 of 42 ____________ is the command you will use to view all of the currently mounted filesystems on your Linux machine without creating a new one. (Enter the command only.)

mount