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Network Appliance NS0-121 Exam Syllabus Topics:

Section	Weight	Objectives
Data Protection & Disaster Recovery	25%	- SnapMirror for replication - SnapRestore and FlexClone - MetroCluster basics - Snapshot technology and management
Performance Optimization & Troubleshooting	20%	- Monitoring tools: sysstat, nfsstat, netstat - Bottleneck identification - File system and protocol troubleshooting
Storage Efficiency & Advanced Features	10%	- Thin provisioning - Advanced RAID and disk management - Deduplication and compression
High Availability & Cluster Management	20%	- Active/Active and Active/Passive configurations - Failover and giveback operations - Cluster failover and takeover
Advanced Data ONTAP Configuration & Administration	25%	- Aggregate and Volume Management 1. Qtree and security styles 2. Space management and overcommitment 3. FlexVol architecture - Network Configuration 1. Interface groups and VLANs 2. Multi-protocol access (NFS, CIFS, iSCSI, FC) 3. DNS, NIS, and LDAP integration

Network Appliance Data ONTAP Advanced Exam 7G Sample Questions:

1. If a qtree security style is UNIX, CIFS client file access is determined by ___________ .

A) UNIX permissions, and if the CIFS user name can be mapped to a UNIX user name
B) (Not Allowed) A CIFS client cannot access files in a qtree with a security style of UNIX.
C) The last client to set permissions
D) NT ACLs

2. To determine the version of Data ONTAP in which a bug has been fixed, use the NOW site _______ utility.

A) Release Comparison
B) Rawritewin
C) System Configuration Guide
D) NetApp Diagnostics

3. Which of the following are methods for analyzing the performance output of an NFS client to the storage appliance?
1) Time the mkfile command for a write test. 2) Time the dd command for a read test. 3) Time the cp command for a read and write test. 4) Verify your results with the nfsstat -c command.

A) 3 and 4
B) 2 and 4
C) All four methods
D) 1 and 4

4. Which of the following statements would NOT apply to an entry in the /etc/exports file regarding exporting directories, qtrees, and volumes?

A) Export each volume separately.
B) The storage appliance must resolve host names.
C) Export ancestors and their descendants.
D) Export /vol.

5.
Given the content of the /etc/quotas file, fill in the blank by selecting the appropriate answer for the following statement:
"A CIFS user named wesson can use _______________ of disk space and 75K files in the /vol/wmv/proj1 qtree."