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642-355 : Cisco Storage Networking Design Specialist Last Updated Thursday, September 04, 2008 with 324 Questions

Cisco Storage Networking Solutions Design Specialist (CSSDS)
Exam Number: 642-355 Exam
Associated Certifications: Cisco Storage Networking Solutions Design Specialist (CSSDS)
Duration: 60 Q&As

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642-355 Exam: Actualtests’s Cisco Storage Networking Solutions Design Specialist (CSSDS) PDF
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QUESTION 1:
What should you do to allow iSCSI hosts on multiple subnets to connect to a single GigE
interface on an IPS module?
A. Configure QoS on the IPS module iSCSI interface
B. Configure QoS on the IPS module GigE interface
C. Configure multiple VSANs on the IPS module iSCSI interface
D. Configure VLAN subinterface on the IPS module GigE interface
Answer: D
QUESTION 2:
What is the definition of fan-in ratio as it applies to SANs?
A. The ratio of storage ports to a single host port
B. The amount of aggregation port bandwidth in the path from storage port to host port
C. The amount of aggregate bandwidth of ISLs in the path from host port to storage port
D. The ratio of host ports that need to access a single storage port
Answer: D
QUESTION 3:
You are implementing an FCIP solution for SAN extension between tow 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?
A. Configure EIGRP routing on the IPS-8
B. Configure OSPF routing on the IPS-8
C. Configure QoS on the IPS-8
D. Configure static routes on the IPS-8
Answer: D
QUESTION 4:
Which two items are necessary when implementing a highly available SAN design?
(Choose two.)
A. Nondisruptive upgrades
B. Redundant hardware
C. Real-time fabric monitoring
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D. Localized data backups
E. Traffic engineering and QoS
Answer: A,B
QUESTION 5:
Select three characteristics of the Cisco Coarse wave division multiplexing (CWDM)
solution. (Choose three.)
A. Supports a maximum connection length of 220 kilometers
B. Can be optically amplified to extend the distance characteristics
C. Requires OADMs (Optical add/drop multiplexers) to aggregate multiple wavelengths
across the same fiber pair
D. Multiplexes up to eight wavelengths across a single fiber pair
E. Supports both linear and ring topologies
Answer: C,D,E
QUESTION 6:
Which of these provides fabric-based virtualization for multiple independent software
vendors?
A. Multiprotocol Services module
B. Cisco MDS 9513 Supervisor 2
C. Cisco MDS 9000 32-port 1/2 -Gbps Fibre Channel Module
D. Storage Services Module (SSM)
Answer: D
QUESTION 7:
Which SAN extension topology is a low-latency, cost effective, high-bandwidth solution
that is suitable only within a limited geographical area?
A. FCIP
B. DWDM
C. SONET/SDH
D. CDWM
Answer: D
QUESTION 8:
What is the principal cost advantage of a collapsed core SAN design compared to a
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core-edge design if each connects the same number of host and storage ports?
A. Fewer long-wave SFPs
B. Fewer director-class switches
C. Fewer ISL connections
D. Fewer domains on the domain list
E. Fewer hops for a given exchange
Answer: C
QUESTION 9:
Which two kinds of applications require substained throughput and are sensitive to
latency? (Choose two.)
A. Synchronous replication
B. Asynchronous replication
C. Email
D. OLTP
E. Tape Backup
Answer: A,E
QUESTION 10:
Which three solutions would be suitable for data replication between two data centers
separated by 450 km? (Choose three.)
A. Dark Fiber
B. CWDM
C. iSCSI over SONET/SDH
D. DWDM
E. FCIP over SONET/SDH
F. FCIP Over Routed IP network
Answer: D,E,F