Which of the following best describes the format of the /etc/fstab file?

device name; mount point; filesystem type; mount options; dump filesystem; fsck order

device name; filesystem type; mount point; mount options; dump filesystem; fsck order

device name; mount point; filesystem type; mount options; dump filesystem; fsck order

device name; mount point; mount options; filesystem type; dump filesystem; fsck order

mount point; filesystem type; device name; mount options; dump filesystem; fsck order

mount point; device name; filesystem type; mount options; dump filesystem; fsck order

How can the label root be added to the ext4 filesystem on /dev/sda1?

echo 'root' > /proc/fs/sda1/label

labelfs --device /dev/sda1 root

The main configuration file for autofs has this entry:/home /etc/auto.homeWhat is the meaning of the /etc/auto.home file?

It has the indirect maps for the mounting of file systems.

It has configuration information, such as passwords and keys, for the remote file server.

It has configuration information on settings for the /home mount point.

It is the holds the SSL key to allow authentication to the remote file server.

Which single command will simulate a failed device within a RAID 5 array?

mdadm --fail /dev/md0 /dev/sdc1

mdadm --remove /dev/md0 /dev/sdd1

mdadm --zero-superblock /dev/sdf3

mdadm --force-fault /dev/md2 /dev/sde2

mdadm --fail /dev/md0 /dev/sdc1

mdadm /dev/md0 --offline /dev/sdc1

What is the purpose of the command vgextend?

Add physical volumes to an existing volume group.

Extend a volume group's footprint on disk.

Add physical volumes to an existing volume group.

Increase the number of days between scheduled error checking.

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

What action should be performed after increasing the size of a logical volume?

Increase the size of the filesystem used for the logical volume.

Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers) Kernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth110.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

route del 10.10.1.0/24 gw 192.168.246.11

0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0

route del 10.10.1.0/24 gw 192.168.246.11

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.)

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

The service does not support tcpwrapper.

tcpd needs to be sent the HUP signal.

The service needs to be restarted.

The machine needs to be restarted.

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

The service does not support tcpwrapper.

A network client has an ethernet interface (eth0) 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 Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)

route add default gw 192.168.0.1 eth0

ip route add default via 192.168.0.1 dev eth0

route add default gw 192.168.0.1 eth0

ifconfig eth0 defaultroute 192.168.0.1

ip route add default via 192.168.0.1 dev eth0

echo defaultroute 192.168.0.1 >> /etc/resolv.conf

route add defaultgw=192.168.0.1 if=eth0

The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.

dig, time dig, time host, time nslookup

What is incorrect about these entries in /etc/hosts which could be causing host name lookup problems with host2? host1 192.168.1.12 host2 192.168.1.12

Two host names are using the same IP address.

The server doing the query is on a different subnet.

host2 is not a fully qualified domain name.

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?

ip addr add 192.168.1.2/32 dev eth0

ip add addr 192.168.1.2/32 dev eth0

ifconfig eth0 192.168.1.2 netmask 255.255.255.255

ip addr add 192.168.1.2/32 dev eth0

Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet?(Choose TWO correct answers.)

sshd : 192.168.1.0/255.255.255.0

sshd : 192.168.1.0 netmask 255.255.255.0

sshd : 192.168.1.0/255.255.255.0

What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1? (Choose TWO correct answers.)

Add nameserver 192.168.0.1 to /etc/resolv.conf.

Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.

Add nameserver 192.168.0.1 to /etc/resolv.conf.

Run route add nameserver 192.168.0.1.

Run ifconfig eth0 nameserver 192.168.0.1.

Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.

Run bind add nameserver 192.168.0.1.

What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.)

Send the HUP signal to the syslogd process.

No action is required, syslogd will notice the updated configuration file after a few minutes.

Send the HUP signal to the syslogd process.

Under which of the following circumstances would the command ping output the string (DUP!)?

When the ICMP packets are send to a broadcast address and multiple hosts respond.

When the host being sent ICMP packets is on a different network.

When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.

When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.

What does the -p3 option to the patch command do?

It will strip off path information from each file mentioned in the patch file up to and including the third / character.

patch continues execution as long as there are three or fewer errors.

It instructs patch to look up to three lines of context before or after the declared line in the original file for a match.

patch will keep three previous versions of each file in the output to prevent loss of change history.

It instructs patch to conform more strictly to the POSIX standard.

When a makefile is included in a source code package, what are commonly defined targets in the file?

CFLAGS, CPPFLAGS, LIBS, LDFLAGS

prefix, exec_prefix, bindir, mandir

Which of the following commands will securely copy the directory ./fyf/ to /var/tmp/ on the remote host deltaur using the remote user account kevin?

rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/

rsync -a -e ssh kevin@deltaur:/var/tmp/ fyf/

rsync -a -u kevin -e ssh fyf/ deltaur:/var/tmp/

rsync -a -u kevin -e ssh deltaur:/var/tmp/ fyf/

rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/

LPI 201-450 Practice Test 3 - Free Online Exam Questions 81-120

Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?

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