Sunday, October 8, 2017

Valid Network Appliance NCDA Certification NS0-158 pdf | Passtcert

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Share some Network Appliance NCDA Certification NS0-158 exam questions and answers below.
A customer has LUNs that are being accessed through iSCSI. The applications have experienced increased LUN latency over the last couple of days. 
Which two components should you review to determine what caused the rise in latency? (Choose two.) 
A. node CPU utilization 
B. FC switch performance 
C. Ethernet network performance 
D. cluster management switch performance 
Answer: A,C

What is the speed of the cluster interconnect ports on a FAS2552? 
A. 10 Gb 
B. 1 Gb 
C. 8 Gb 
D. 16 Gb 
Answer: A

While reviewing a controller, you find that an aggregate aggr1 made of 6 TB hard-disk drives has two RAID groups, one with 14 disks and the other with eight disks. 
Which action caused the RAID groups to be different? 
A. The aggregate was created with the RAID group option set to 2. 
B. The aggregate was created with advanced drive partitioning. 
C. The aggregate was moved from one controller to its partner. 
D. The aggregate was created from the command line using the default configuration. 
Answer: D

Which port is used for untagged VLAN traffic? 
A. a0a-0 
B. a0a 
C. e0a-999 
D. 0a 
Answer: B 


A customer has lost access to shares being used by an application. 
What are three troubleshooting steps the administrator should take? (Choose three.) 
A. Verify that the admin SVM is running on the node being accessed by the customer. 
B. Verify that the LIF resides on its home port. 
C. Verify that the LIFs in the SVM are all up and active. 
D. Verify that the SVM has CIFS running, that the share exists, and is online. 
E. Verify that there is network connectivity between the SMB client and the SVM. 
Answer: C,D,E

To achieve high-availability within a FAS8080 EX HA pair, which two requirements are needed? (Choose two.) 
A. Connect the NVRAM HA interconnects of the HA pairs. 
B. Connect multiple paths from the controllers to the host. 
C. Connect the local node to the partner node¡¯s disk shelves. 
D. Enable auto-giveback. 
Answer: A,B

A customer wants to use FlashCache but does not want to lose the information stored in the FlashCache card when a takeover occurs in a high-availability solution. 
What should the customer do to make sure this feature is enabled? 
A. Confirm that the aggregates using the FlashCache card are configured appropriately. 
B. Set the option to rewarm the FlashCache in both nodes of the HA pair. 
C. Verify that the FlashCache card is located in the appropriate slot in the NetApp controller. 
D. Verify that the FlashCache card has been configured only on the node where the feature is required. 
Answer: B 


Which type of connectivity is supported when connecting third-party arrays through FlexArray Virtualization for back-end storage to a NetApp cluster? 
A. iSCSI 
B. SAS 
C. FC 
D. Infiniband 
Answer: C 


You notice your indirect I/O performance between nodes in your 4-node cluster is slowing down from prior week. Each node has two 10 GB connections to the cluster interconnect, one to each switch. You are using four out of 12 available ports on each cluster interconnect switch. Your cluster network utilization is over 80%. 
What should you do to increase cluster interconnect performance? 
A. Change the SFP+ from 10 Gb to 16 Gb on each node and switch. 
B. Add two more cluster interconnect connections per node. 
C. Add additional ISLs between the two cluster interconnect switches. 
D. Change the cable from TwinAx to optical with SFP+ for better throughput. 
Answer: B

A customer creates four broadcast domains with the following ports included for node cl-01: 
bcast1 ¨C e0c 
bcast2 ¨C e0d 
bcast3 ¨C e0e 
bcast4 ¨C e0f 
A customer creates a LIF and specifies a home port of cl-01:e0f. After LIF creation, the administrator modifies the home port to use cl-01:e0c. 
Which broadcast domain is the LIF using now? 
A. bcast4 
B. bcast2 
C. bcast1 
D. bcast3 
Answer: C

Your company is told that it must follow strict requirements for auditing purposes when creating user accounts for each department. 
Which feature in clustered Data ONTAP accomplishes this task? 
A. LDAP integration 
B. workgroup access 
C. role-based access control 
D. mixed-mode security 
Answer: C


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