Tips to Pass 304-200 Exam (1 to 10)

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Q1. When used with KVM, which of the following block device image formats support snapshots? 

A. qcow 

B. dmg 

C. qed 

D. qcow2 

E. raw 


Q2. Which of the following sections are found in the Pacemaker configuration XML file? 

A. <pacemaker> and <corosync> 

B. <configuration> and <status> 

C. <nodes> and <services> 

D. <ressources> and <services> 

E. <cluster> and <state> 


Q3. Which of the following situations can result in a split brain situation in a high availability cluster? 

A. The load balancer of a load balanced cluster fails. 

B. The communication between the cluster nodes is interrupted. 

C. Cluster services are moved between cluster nodes. 

D. More than one node is active in a load balanced cluster. 

E. A cluster node has successfully been fenced. 


Q4. 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 


Q5. CORRECT TEXT In the command: pcs constraint order VHost1IPv4 HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IPv4? 


then, THEN 

Q6. 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. 


Q7. Which of the following statements is true regarding journals of a GFS2 filesystem? 

A. Each GFS2 filesystem has exactly one journal. 

B. Once a GFS2 filesystem is created, the number of journals cannot be changed. 

C. Every node that simultaneously mounts the filesystem requires its own GFS2 journal. 

D. Journals were heavily used in GFS and are deprecated and optional in GFS2. 

E. The GFS Cluster Journal Daemon, GCJD, handles the journaling in a GFS2 cluster. 


Q8. Which CPU flag indicates the hardware virtualization capability on an AMD CPU? 







Q9. Which of the following statements describes fencing resources in a high availability cluster? 

A. Fencing is the automated stop and restart of cluster services that suffer from software errors. 

B. Fencing is the disconnection of a failed cluster node from any other cluster resources. 

C. Fencing is the forwarding of incoming network connections to backend servers. 

D. Fencing is the assignment of services to different cluster nodes to avoid interference of the services. 

E. Fencing is the accounting and limitation of disk usage on shared storage. 


Q10. Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests? (Choose TWO correct answers.) 

A. dmesg |grep -i intel|grep -i vt; dmesg |grep -i amd|grep -i v 

B. egrep '(vmx|svm)' /proc/cpuinfo 

C. xl dmesg | grep -i hvm 

D. grep -i "Full Virtualization" /proc/xen 

E. grep -i "Full Virtualization" /etc/xen/* 

Answer: B, C