Share some Network Appliance NCDA Certification NS0-158 exam questions and answers below.
A customer wants to use jumbo frames on an interface group called a0a. Interface group a0a contains ports e0c and e0d. Additionally, the customer is using VLAN tagging for VLANs 510 and 520. VLAN 510 will use jumbo frames but VLAN 520 will not. When the customer tries to enable jumbo frames on a0a-510 the command fails.
What caused the failure?
A. The MTU size must be set on the broadcast domain to which the ports belong.
B. The LIF corresponding with VLAN 510 is not configured for jumbo frames.
C. Ports e0c and e0d have conflicting MTU sizes configured.
D. Jumbo frames must be enabled from the advanced privilege set.
Answer: A
Which statement is true about establishing a SnapMirror relationship in clustered data ONTAP?
A. It sets up the relationship, but does not start the initial transfer
B. It sets up the relationship on the source node only
C. It sets up the relationship and starts the initial data transfer
D. It sets up the relationship and creates the destination volume
Answer: A
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
What is true about a node root volume?
A. There is a root volume on every node in a cluster.
B. It is the root of a data SVM¡¯s namespace.
C. You can use vol move to move it to an aggregate on a different node.
D. It is the most secure place to store critical user data.
Answer: B
You have a 4-node cluster serving home directories over two IPs per node.
Which two methods would you use to set up DNS load balancing over a single name to the eight IP addresses? (Choose two.)
A. On-Box DNS using a DNS delegation record
B. Off-Box Round Robin DNS
C. On-Node PTR records with reverse lookup per node
D. Off-Node CNAME records for each node management interface
Answer: A,B
Which data protocol is available to use on an SVM?
A. FTP
B. CIFS
C. HTTP
D. TFTP
Answer: B
Which two NFS versions are supported on clustered Data ONTAP 8.3? (Choose two.)
A. NFSv1
B. NFSv2
C. NFSv3
D. NFSv4
Answer: C,D
What are the two valid settings for fractional reserve? (Choose two.)
A. 100%
B. 20%
C. 0%
D. 50%
Answer: A,C
What are two FPolicy methods for applications? (Choose two.)
A. asynchronous
B. semi-synchronous
C. direct
D. synchronous
Answer: A,D
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
You acquired a new company that has the same private IP address range.
What must be set up on the NetApp cluster to support the duplicate networks?
A. VLANs
B. failover groups
C. IPspaces
D. DNS zone
Answer: C
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