Dell DES-1423 Exam Actual Questions
Specialist - Implementation Engineer, Isilon Solutions Exam

QUESTION: 1
When reviewing the actual protection output of N+4/2, what does the number "4" represent?

A. FEC stripe units per stripe
B. Hard drives used per stripe
C. Volume stripes per file system
D. FEC stripe units per file system

Answer(s): A
Explanation:
It's OneFS FEC protection nomenclature for our "hybrid" protection polices. More generally, it's
written as: N+M/b where "N" is the number of data stripe units in a stripe, "M" is the number of
FEC stripe units in a stripe, and "b" is the number of stripe units in a stripe which are allowed to
reside on the same node.
Reference:
https://www.del .com/community/Isilon/Isi-get-output/td-p/7085467
QUESTION: 2
What impact can obsolete drive firmware have on an Isilon cluster?

A. Reduces administrative overhead and increases performance.
B. Affects redundancy settings and FEC coding.
C. Affects cluster performance or hardware reliability.
D. Increases runtime and cluster performance.

Answer(s): C
Reference:
http://doc.isilon.com/onefs/7.2.0/help/en-us/GUID-398C2422-1CA5-4AE0-8F3D-
09F589C82E6E.html
QUESTION: 3
What defines FEC link aggregation mode?

A. Switches to the next interface when the primary interface becomes unavailable.
B. Balances outgoing traffic based on hashed protocol header information that includes source
and destination addresses, and VLAN tag.
C. Balances outgoing traffic based on hashed protocol header information that includes source
and destination addresses.
D. Balances outbound traffic across all active ports in the aggregated link.

Answer(s): B
Reference:
http://doc.isilon.com/onefs/8.0.0/help/en-us/ifs_r_link_aggregation_methods.html
QUESTION: 4
In Isilon OneFS, what is a characteristic of CoW with snapshots?

A. Used for small changes, inodes, and directories.

https://Free-Braindumps.com