000-806 Exam

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Exam : IBM 000-806
Title : IBM Test806, IBM WebSphere Ap Svr Ntwk Deploy V6.1 Adv Admn


1. An administrator is configuring a cluster bus destination on a cluster with five members on five different physical machines. The administrator will configure two messaging engines which may be run on any of the five cluster members. What is the simplest configuration for the messaging engines' data stores that still ensures proper fail over?
A. A file-based data store in the config directory that is kept in sync on all cluster members by the deployment manager
B. A single remote database accessible by all cluster members with one schema to be shared by the messaging engines
C. A single remote database accessible by all cluster members with two schemas
D. Two remote databases accessible by all cluster members
Answer: C

2. Which statement is true about designing highly available infrastructures based on WebSphere Application Server ND V6.1 clusters?
A. A stand-alone server topology provides the greatest amount of process isolation and therefore is the most effective building block in combination with other stand-alone servers for building a highly resilient cluster based infrastructure.
B. A horizontal scaling topology provides the greatest opportunity to implement efficient use of single machine processing power so that should there be a failover in that environment, there will be sufficient capacity available for the remaining nodes to pick up the workload from the failed node.
C. A vertical scaling topology provides the greatest opportunity to implement efficient use of machine processing power so that should there be failover in that environment, there is sufficient capacity available for the remaining cluster members to pick up the workload from the failed
cluster member.
D. A horizontal scaling topology provides the greatest amount of process isolation and therefore is the most effective building block in combination with other stand-alone servers for building a highly resilient cluster based infrastructure.
Answer: C

3. A WebSphere Application Server ND V6.1 administrator has been asked to set up cache replication for an application. The application team wants to make sure it does not loose any cache data that is generated. What would make losing cache data least likely to happen?
A. Full group replication
B. Enable disk offload
C. Push only
D. Flush to disk
Answer: B

4. To improve scalability of a cluster bus member, an administrator proposes adding messaging engines to the cluster. Which valid concern cannot be resolved through configuration?
A. Multiple messaging engines starting on the same cluster member; a review of available resources on the cluster members must be conducted to determine if this can be tolerated
B. Duplicate messages may actually decrease the scalability of the application; the application developers must be consulted to determine the performance impact
C. Message order not being preserved; the application developers must be consulted to determine whether or not this will cause application errors
D. Additional load on the deployment manager as it directs messages to the partitioned destinations; a review of available resources on the deployment manager must be conducted to determine if this can be tolerated
Answer: C

5. A WebSphere Application Server ND V6.1 administrator recently added a new cluster member. When the administrator checked the status of the servers in the cluster, they noticed the cluster showing a state of partially started. What does that mean?
A. All cluster members are running, but the node agents have not been started.
B. At least one of the cluster members is running.
C. The cluster was not started by the deployment manager.
D. The cluster was created, however the servers were never stopped then restarted cleanly.
Answer: B

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