A system administrator periodically receives calls from users who complain about poor performance with their application. Use the following sar command output to answer the question: Which of the following system resources need more investigation?()
A. CPUs
B. Disk
C. Memory
D. NetworkX
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A System p administrator is investigating a possible security breech and wants to review information about failed login attempts to the system. Which of the following commands will show this()
A. fwtmp
B. cat /etc/security/failedlogin
C. who
D. alog -f /etc/security/failedlogin -o
To examine the Exhibit, press the Exhibit button. Using the information provided in the exhibit, which of the following options indicates when the SSA error occurred?()
A. 12:28am on May 25,1999
B. 12:28pm on May 25,1999
C. 5:25am on December 28,1999
D. 5:25pm on December 28,1999
A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket, but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application?()
A. Increase the size of thewall
B. Increase the size of sb_max
C. Increase the size of tcp_recvspace
D. Increase the size of tcp_sendspace
A node in a three-node cluster was started, ad it acquired the following three cascading resourcegroups: ’rg1’, ’rg12’, and ’rg3’. The cluster design is to have ’rg1’ normally Node ’A’, ’rg2’ normally on Node ’B’, and rg3’ normally on Node ’C’. How can the administrator reposition the resource groups and correct the problem?()
A. Change the cluster resource group definitions from cascading to rotating,synchronize thecluster,and restart HACMP
B. Edit the /urs/es/sbin/utilities/clhosts file to reflect he desired node-to-resource grouprelationships and restart HACMP
C. Use the clRGMove utility move rg2 o Node ’B’ and rg3 to Node ’C’,then start the cluster manager on Nodes ’B’ and ’C’ with the clstart utility
Disable Inactive Node Takeover,check the node priority list in the resource groupsdefinitions,synchronize the cluster,and start HACMP on Nodes ’B’ and ’C’