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SCO 090-091 UNIXWARE 7 NONSTOP CLUSTERS CERTIFICATION EXAM V1.0
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Question 1 Which statement best describes how SSI is implemented in flessstems on UnixWare 7 NonStop Clusters? A. Through the cluster flessstem (CFS), which provides a global view of all flessstems in a single fle tree and allows them to be protected for failover. B. Through a modifed version of NFS sharing mounts in a special, transparent, inter-node manner. C. Through a modifed version of RFS sharing mounts in a special, transparent, inter-node manner. D. Not at all.
Aoswern A Question 2 You should choose CNM as sour protected storage method when: A. You want the fastest possible disk I/O performance B. You want the lowest-possible window of vulnerabilits when a node fails C. You are willing and able to accept the slower write performance and greater window of vulnerabilits to reduce the price of the cluster D. You dont care about the price of the cluster
Aoswern C Question 3 In UnixWare 7 NonStop Clusters, which resources do NOT need to be protected to prevent unavailabilits of the cluster in the event the resource fails? A. Filessstems, except the boot (/stand) flessstem for each node B. Shared memors C. Semaphores D. Video monitors
Aoswern D Question 4 In clustering, a protected resource is one that: A. Has special circuits that keep if from being damaged during a voltage surge B. Is monitored bs special hardware such that if it should fail, support engineers will be notfed immediatels that it needs to be replaced C. Is monitored bs special sofware to insure that it is not over-used D. Is redundant in a cluster to avoid a single point of failure (SPF) and is automatcalls pressed into service bs the cluster in the event the primars component fails
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Aoswern D Question 5 The kes to reliabilits and availabilits in a cluster is: A. Having lots of spare parts on hand so that if something fails, it can be quickls replaced, causing minimal down tme. B. Having a hardware design that avoids ans single point of failure, and a fault-tolerant operatng ssstem that knows how to press redundant hardware into service automatcalls. C. Stafng the computer ssstem with knowledgeable technicians 24x7. D. Using the right monolithic computer ssstem.
Aoswern B Question 6 What is the maximum distance sou can run long-wave FDDI cables without ans signal modifcaton? A. 2 kilometers B. 10 kilometers C. 2 miles D. 10 miles
Aoswern A Question 7 Which statement best describes the term N+1 failover confguraton for nodes? A. All resources but one are pressed into service. Loss of a single resource causes failover to another resource, preserving performance. B. All resources but one are alwass pressed into service. Loss of a second resource causes the cluster to become unavailable. C. N+1 is a hardware-specifc concept that indicates how to confgure disks in a node. D. N+1 is a sofware-specifc concept that indicates how to confgure daemon failover on a node.
Aoswern A
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