Lpi LPIC-3 Exam 306: High Availability and Storage Clusters - 306-300

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Lpi 306-300 Exam Syllabus Topics:

Lpi LPIC-3 Exam 306: High Availability and Storage Clusters Sample Questions:

1. What is LVM (Logical Volume Manager)?

A) A utility for partitioning hard drives into multiple logical volumes.
B) A command-line tool for creating RAID arrays.
C) A file system used in Linux for managing storage devices.
D) A software layer that provides flexible management of disk space.

2. While setting up a load-balanced HTTP service, Linux Virtual Server was configured with the commands:
ipvsadm -A -t 198.51.100.2:80 -s rr
ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.1:80 -m
ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.2:80 -m and all backend servers are using the LVS host as the default router.
Which additional command has to be issued on the LVS host in order to correctly handle incoming HTTP traffic?

A) iptables -t nat -Z
B) netstat -r
C) ipvsadmin -L -n
D) echo "1" > /proc/sys/net/ipv4/ip_forward
E) ipmasq -A 192.168.10.1 -A 192.168.10.2 -p tcp --dport www -j DEMASQ

3. Which actions should be taken in a load balanced cluster in order to protect the load balancer against outages?

A) No actions are necessary as a load balancer cannot become a single point of failure.
B) Two load balancers should be deployed as a failover cluster.
C) Load balancers are used for performance and scalability reasons only and cannot be used to archive high availability clusters.
D) Two or more load balancers should be deployed as a cascade that passes packets from one to the other.
E) Load balancers cannot be protected against outages which is why they should always be built on dedicated hardware.

4. Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.)

A) roundrobind
B) ldirectord
C) lvproxy
D) keepalived
E) vserverd

5. What is the purpose of a resource rule in Pacemaker?

A) Managing node health
B) Controlling resource location
C) Configuring resource templates
D) Setting resource order

Solutions: