E20-011 Exam

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Exam : EMC E20-011
Title : Storage Networking Design and Management


1. In a FC SAN, what is an advantage of using copper media instead of optical media?
A. Better signal-to-noise ratio for short distances
B. Higher speed
C. Larger frame payload
D. Longer distances are supported
Answer: A

2. A pair of ISLs is configured between two Fibre Channel switches with trunking enabled. The trunk is carrying the I/O traffic from multiple hosts generating a total of 3,200 IOPS each, with a block size of 4 KB.
Assuming 2 Gb links, which percentage represents the best estimate of ISL utilization?
A. 1
B. 3
C. 10
D. 20
Answer: B

3. A pair of ISLs is configured between two Fibre Channel switches with trunking enabled. The trunk is carrying the I/O traffic from several hosts generating a total of 3,000 IOPS with a block size of 32 KB.
Assuming 2 Gb links, what is the ISL utilization?
A. 3%
B. 25%
C. 50%
D. 90%
Answer: B

4. In a requirements analysis, what are classified as external requirements?
A. Availability and reliability
B. Delivery and standards
C. Portability and interoperability
D. Privacy and legislative
Answer: D

5. What is a benefit of Kerberos over other authentication protocols?
A. Client can provide its own privilege information, reducing authentication traffic
B. Ensures a user will not be disconnected from a share because tickets do not expire
C. Stores file system ACLs for the domain environment
D. User ID and password information is never stored on the Kerberos server
Answer: A

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