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2021 Nov 304-200 exam answers
Q21. CORRECT TEXT Which command in the KVM monitor ejects the first IDE CDROM drive? (Specify the KVM monitor command INCLUDING ALL REQUIRED PARAMETERS.)
Answer:
eject ide1-cd0, eject -f ide1-cd0
Q22. Which one of the following tools can NOT be used to create virtual machines, including their configuration in a libvirt-based KVM environment?
A. virt-clone
B. virt-install
C. virt-img
D. virt-manager
Answer: C
Q23. Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.)
A. keepalived
B. ldirectord
C. lvproxy
D. roundrobind
E. vserverd
Answer: A, B
Q24. Which of the following commands provides a detailed list of all image files contained in the libvirt storage pool vol1?
A. virsh list --volumes --pool vol1 --details
B. virsh vol-details vol1
C. virsh --show-pool vol1 --details
D. virsh vol-list vol1 --details
E. virsh volumes --source vol1–details
Answer: D
Q25. When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?
A. Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning.
B. The nanny process powers off a nonfunctional backend server.
C. The nanny process restarts the daemon of a failed service on a real server node.
D. The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration.
Answer: A
Most up-to-date 304-200 exam question:
Q26. Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)
A. Failover clusters are not operational without at least one dedicated load balancer.
B. All response packages sent from a backend server to a client must pass through the load balancer.
C. The load balancer is usually deployed on one of the backend servers.
D. Load balancers may be able to analyze traffic.
E. All incoming connections to the cluster services are received by the load balancer.
Answer: D, E
Q27. Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?
A. ocfs2.setprops
B. ocfs2tool
C. crm_edit
D. tunefs.ocfs2
E. o2cbtool
Answer: D
Q28. Which of the following device classes are commonly used STONITH devices? (Choose THREE correct answers.)
A. Uninterruptable Power Supplies, UPS
B. CPU frequency management tools
C. Blade Control Devices
D. Remote Management Services like iLO or DRAC
E. Local node storage
Answer: A, C, D
Q29. Which of the following commands lists the snapshots existing in the disk image vm1.img?
A. qemu-info snapshots vm1.img
B. qemu-img snapshot -l vm1.img
C. qemu -hda snapshot -l vm1.img -noboot -list snapshots
D. qemu-snapshots -l vm1.img
E. qemu-monitor -snapshots -hda vm1.img
Answer: B
Q30. Which actions should be taken in a load balanced cluster in order to protect the load balancer against outages?
A. Load balancers cannot be protected against outages which is why they should always be built on dedicated hardware.
B. No actions are necessary as a load balancer cannot become a single point of failure.
C. Two or more load balancers should be deployed as a cascade that passes packets from one to the other.
D. Two load balancers should be deployed as a failover cluster.
E. Load balancers are used for performance and scalability reasons only and cannot be used to archive high availability clusters.
Answer: D