Question No: 4

Which of the following commands displays the physical path of the kernel module named dummy?

A. modprobe u2013i dummy

B. modinfo u2013n dummy

C. modpath u2013v dummy

D. depmod u2013n dummy

E. modshow u2013p dummy

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Question No: 5

Which of the following commands will list the IPv4 neighbors of the current system? This includes IP and MAC addresses. (Choose TWO correct answers.)

A. arp

B. ifconfig -lv eth0

C. netstat -al

D. ip neigh show

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Question No: 6

What is the purpose of the command vgextend?

A. Extend a volume group's footprint on disk.

B. Add physical volumes to an existing volume group.

C. Increase the number of days between scheduled error checking.

D. Create a volume group which uses all available space on disk.

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Question No: 7

What is the purpose of a system mount unit?

A. It is used by the command systemd-mount and allows users to mount partitions to mount points of their choice

B. It is used only to mount network file systems to local mount points. It cannot be used for local media

C. It is created by the command systemd-fstab-generator to integrate entries from /etc/fstab into the system boot process

D. It is used by the command mount when using system to mount and unmount file systems

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Question No: 8

Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)

A. source

B. src

C. dest

D. src or dst

E. both

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Question No: 9

On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?

A. The default route with the highest metric value

B. The default route with the highest MTU value

C. The default route with the lowest TTL value

D. The default route with the highest TTL value

E. The default route with the lowest metric value

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Question No: 10

Which two LVM commands are missing from the following sequence which is used to create a logical volume and make use of it on a Linux system?

pvcreate, _____, ______, mkfs, mount

A. lvcreate, mdadm

B. lvcreate, vgcreate

C. lvmcreate, vgcreate

D. vgcreate, lvcreate

E. vgcreate, mdadm

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Question No: 11

What is the command to add another IP address (192.168.1.2) to a network interface (eth0) that already has (at least) one IP address in the 192.168.1.0/24 subnet?

A. ip add addr 192.168.1.2/32 dev eth0

B. ifconfig eth0 192.168.1.2 netmask 255.255.255.255

C. ip addr add 192.168.1.2/32 dev eth0

D. ipconfig eth0 192.168.1.2

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Question No: 12

A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this? (Choose TWO correct answers.)

A. tcpd needs to be sent the HUP signal.

B. The service needs to be restarted.

C. The machine needs to be restarted.

D. There is a conflicting entry in /etc/hosts.allow.

E. The service does not support tcpwrapper.

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Question No: 13

Which of the following commands creates a Btrfs subvolume named volume in/mnt?

A. btrfs subvolume add u2013n volume /mnt

B. btrfs create subvolume /mnt volume

C. btrfs-subvolume create /mnt/volume

D. btrfs subvolume new volume /mnt

E. btrfs subvolume create /mnt/volume

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