PassGuide cisco 642-357 PDF
“Designing Cisco Storage Network Solutions”, also known as 642-357 exam, is a Cisco certification.With the complete collection of questions and answers, Pass4sure has assembled to take you through 120 Q&As to your 642-357 Exam preparation. In the 642-357 exam resources, you will cover every field and category in Storage Networking helping to ready you for your successful Cisco Certification.12. You are implementing an FCIP solution for SAN extension between two data centers using the Cisco MDS 9000 platform. For redundancy, there are two Metro Ethernet paths between the data centers. How can you specify the primary and secondary path for each FCIP tunnel?
Select the best response.
A. Configure OSPF routing on the IPS-8
B. Configure EIGRP routing on the IPS-8
C. Configure static routes on the IPS-8
D. Configure QoS on the IPS-8
Answer: C
13. Which of the following is the recommended design practice for routing from Cisco MDS to remote iSCSI host subnets?
Select the best response.
A. configure a default route on the IPS module
B. configure a static route on the IPS module
C. configure a dynamic IP routing protocol on the IPS module
D. place the iSCSI hosts on the same subnet as the IPS module interface
Answer: B
14. Your customer has a number of data storage requirements:
servers are not responsible for volume management or data migration
storage is provisioned in real time
legacy and heterogeneous storage assets can be consolidated and fully utilized
data can be protected using simplified snapshot and replication techniques
data can be assigned to different classes easily
Which solution would meet these requirements?
Select the best response.
A. VSANs
B. Wide-Area Application Services (WAAS)
C. fabric-based virtualization
D. LUN zoning
E. host-based virtualization
Answer: C
15. Which two kinds of applications require sustained throughput and are sensitive to latency? (Choose two.)
Select 2 response(s).
A. synchronous replication
B. asynchronous replication
C. OLTP
D. tape backup
E. e-mail
Answer: AD
16. Which three solutions would be suitable for data replication between two data centers separated by 450 km? (Choose three.)
Select 3 response(s).
A. FCIP over routed IP network
B. FCIP over SONET/SDH
C. iSCSI over SONET/SDH
D. CWDM
E. DWDM
F. dark fiber
Answer: ABE
17. What is an advantage of Cisco MDS 9000 Distributed Device Alias Services over Fibre Channel aliases?
Select the best response.
A. Persist across switch reboots
B. Stored on the management server, not on the switch
C. Preserved when devices are moved between VSANs
D. Simplify SAN migration operations
Answer: C
18. A customer has 12 hosts, each capable of a sustained I/O rate of 75 MBps. The customer wants to connect these hosts to the fabric with a 32-port line card. For optimal performance what is the maximum number of hosts that should be connected to any four-port, host-optimized quad?
Select the best response.
A. one
B. two
C. three
D. four
Answer: C
19. Select three advantages of using fabric-based storage virtualization instead of host-based virtualization. (Choose three.)
Select 3 response(s).
A. offers a single point of management
B. supports heterogeneous storage
C. does not require a host agent
D. insulates the hosts from storage changes
E. provides mirroring
Answer: ACD
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