江浙沪招生考试网

1. Which technology should be used to provide transparent low latency FC transport across a metropolitan area?
A. DWDM
B. FCIP
C. iSCSI
D. iFCP
Answer: A 
2. Which statement is true concerning the Cisco MDS switch when operating in native interop mode?
A. The MDS switch can interoperate with Non-MDS switches that are certified by SNIA.
B. The MDS switch can interoperate with Non-MDS switches that support "MDS Native" mode.
C. The MDS switch can interoperate with Non-MDS switches that properly adhere to Fibre Channel switch
standards.
D. The MDS switch cannot interoperate with Non-MDS switches.
Answer: C 
3. Refer to the exhibit. Your customer has an existing SAN with eight edge switches and two core switches. In
your detailed assessment, which metric will help you convince the customer to consider an alternative, more
highly available topology? 
A. SFP characteristics
B. total port count
C. cost of edge switch devices
D. total versus usable ports for end devices
Answer: D
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4. A customer would like to add Cisco MDS switches to an existing Brocade environment with minimal disruption.
The Brocade switches are using PID-0 mode. Which two features will enable the creation of a Cisco-Brocade
heterogeneous fabric without restricting the feature set of either switch? (Choose two.)
A. interop mode 1
B. interop mode 2
C. interop mode 3
D. IVR
E. PortChannels
F. CWDM
Answer: BD 
5. 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?
A. VSANs
B. Wide-Area Application Services (WAAS)
C. fabric-based virtualization
D. LUN zoning
E. host-based virtualization
Answer: C 
6. Select three advantages of using fabric-based storage virtualization instead of host-based virtualization.
(Choose three.)
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
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E. provides mirroring
Answer: ACD 
7. Which are two characteristics of the Cisco MDS Series fan modules? (Choose two.)
A. Supervisor modules shut down the fan modules when the air temperature is below a preset threshold.
B. If the Fan Status LED turns red, a fan has failed and the module must be replaced.
C. Fan modules monitor air temperature and shut down if the temperature exceeds a preset threshold.
D. Fan modules do not require the switch to be powered off in order to be replaced.
Answer: BD 
8. Your customer is using an IPS-8 module in its data center to provide FCIP connectivity to 20 remote sites. It has
encountered connectivity problems at four of the remote sites. After investigating, the customer's network
administrator found that the IPS-8 is sending 2300-byte packets, but the receiving switches at the four remote sites
do not support jumbo frames.
What should you do?
A. Disable packet shaping on the IPS-8
B. Reduce the minimum retransmit timeout
C. Disable jumbo frames on the IPS-8
D. Enable Path MTU discovery
Answer: D 
9. Your SAN environment requires redundant fabrics with redundant connectivity for 40 database hosts at 2 Gbps
of throughput per host. Which two of these configurations are possible? (Choose two.)
A. two 48-port line cards
B. four 48-port line cards
C. four 32-port line cards
D. six 16-port line cards
E. two 32-port line cards and two 16-port line cards
Answer: BD 
10. Your customer wants to implement a SAN with redundant fabrics supporting 600 device ports. Which two
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Cisco MDS 9000 Family configurations will meet the customer's needs? (Choose two.)
A. two MDS 9509 switches with redundant Supervisor-1 modules
B. two MDS 9509 switches with redundant Supervisor-2 modules
C. two MDS 9513 switches with redundant Supervisor-1 modules
D. two MDS 9513 switches with redundant Supervisor-2 modules
Answer: BD 
11. Refer to the exhibit. A customer plans to add a tape backup subsystem to its existing storage network. In which
location should the customer place the tape backup device in order to provide the best performance during backup
and recovery? 
A. A
B. B
C. C
D. D
Answer: B 
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12. A customer has a need to synchronously replicate data from the primary data center to a standby data center
that is 30 kilometers away. The customer owns the fiber between the two data centers and uses the link for Gigabit
Ethernet connectivity today. The Gigabit Ethernet connection is heavily utilized and generally remains at
90-percent utilization. The customer expects that the replication traffic will require approximately 30 MBps, and
is looking for a low-cost solution.
Which replication solution would you recommend?
A. FCIP
B. CWDM
C. DWDM
D. iSCSI
Answer: B 
13. Refer to the exhibit. What port type should be used between the two switches to maximize performance? 
A. B
B. E
C. F
D. NL
E. TE
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Answer: B 
14. 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. CWDM
D. SONET/SDH
Answer: C 
15. Which of these provides fabric-based virtualization for multiple independent software vendors?
A. Storage Services Module (SSM)
B. Cisco MDS 9000 32-port 1/2-Gbps Fibre Channel module
C. Multiprotocol Services module
D. Cisco MDS 9513 Supervisor 2
Answer: A 
16. How does Role-Based Access Control (RBAC) enhance manageability in an environment with VSANs?
A. limits operator errors by isolating user management domains within a large physical infrastructure
B. specifies port membership to a specific VSAN
C. configures security options for host ports that are assigned to a VSAN
D. configures VSAN membership for specific trunk ports
Answer: A 
17. Your customer uses a custom change-management application. The customer wants running configuration files
from Cisco MDS 9000 switches to be saved automatically to an FTP server every night. How can this be
accomplished?
A. The customer must purchase Fabric Manager Server to set up automated jobs.
B. The customer must purchase the Enterprise license to enable Batch Job Automation.
C. The customer can use the CFS feature to distribute a command job to each switch in the fabric.
D. The customer can use the CLI Command Scheduler to set up automated jobs.
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Answer: D 
18. Your customer has implemented an IPS-8 for iSCSI connectivity to workgroup servers. How can this customer
prevent unauthorized hosts from connecting to the Cisco MDS 9000 fabric through the iSCSI interfaces?
A. Configure RADIUS authentication
B. Configure IPSec encryption on the IPS-8
C. Configure IP ACLs on the IPS-8
D. Configure fabric binding on the IPS-8
Answer: C 
19. What is the definition of fan-in ratio as it applies to SANs?
A. the ratio of host ports that need to access a single storage port
B. the ratio of storage ports to a single host port
C. the amount of aggregate port bandwidth in the path from storage port to host port
D. the amount of aggregate bandwidth of ISLs in the path from host port to storage port
Answer: A 
20. Your customer has 40 servers attached to the edge switch in a core-edge design. Each server's average
throughput is between 22 and 35 MB. How many 4 GB ISLs should be provisioned between the edge and the core,
and what will the ISL oversubscription ratio be?
A. 4, 20:1
B. 8, 5:1
C. 4, 10:1
D. 8, 10:1
Answer: C 
21. Which three solutions would be suitable for data replication between two data centers separated by 450 km?
(Choose three.)
A. FCIP over routed IP network
B. FCIP over SONET/SDH
C. iSCSI over SONET/SDH
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D. CWDM
E. DWDM
F. dark fiber
Answer: ABE 
22. What are three key benefits of implementing a SAN using iSCSI? (Choose three.)
A. uses existing IP networking, monitoring, and management infrastructure
B. is more efficient than FC since it requires fewer encapsulations
C. maintains consistent performance over IP networks of varying distances
D. significant capital cost reduction by substituting iSCSI as a transport technology
E. extends existing FC SAN to IP connected hosts
Answer: ADE 
23. Refer to the exhibit. In this scenario, the total bandwidth requirement is 1500 MBps but there are 100 hosts
that each need 15MBps of bandwidth. Which two statements are correct about the topologies shown in the exhibit?
(Choose two.) 
A. If the iSCSI configuration has two IPS-8 modules, it will not be oversubscribed.
B. The Fibre Channel implementation will require 100 HBA ports.
C. iSCSI is the more cost-effective solution with high fan-in ratios.
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D. The Fibre Channel implementation is the more cost-effective solution with high fan-in ratios.
E. The Fibre Channel implementation would require two 32-port switching modules in the Cisco MDS switches
per fabric.
Answer: AC 
24. A government agency data center that is used for tax processing is located in an earthquake fault zone. A
backup data center, located 300 km away, is linked to the main data center over an OC-3 connection. Which of the
following provides the best solution to extend the SAN for business continuance and for support of their IP
applications?
A. synchronous replication using FCIP
B. iSCSI
C. FCIP and asynchronous replication
D. dark fiber connectivity and use of synchronous replication over FC
Answer: C 
25. A customer recently deployed a pair of Cisco MDS 9216i Multilayer Fabric Switches to support an ERP
application. The MDS 9216i expansion slot is still unused. The customer examined other infrastructure services
and applications to determine if they should leverage the SAN storage capacity, and decided that it would be
beneficial to attach eight Microsoft Exchange servers to the SAN. Each Microsoft Exchange server generally
drives approximately 50 MBps of disk throughput and has two Fibre Channel host bus adapters.
Which line card should be used to support the Microsoft Exchange server SAN connectivity?
A. 16-port Fibre Channel line card
B. 32-port Fibre Channel line card
C. Multiprotocol Services Module line card
D. None; use the IP storage interfaces.
Answer: B 
26. A customer is concerned about the security of its SAN. It wants to prevent unauthorized hosts and switches
from connecting to the SAN fabric. Which technology should be enabled on the Cisco MDS 9000 SAN to
accommodate this customer requirement?
A. DH-CHAP
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B. Auto-Learn
C. role-based authorization
D. zones
E. SSH
Answer: A 
27. What effect does VSAN technology have on typical capacity planning for a storage network?
A. Because of the complete isolation of VSANs, more ports are required in a VSAN environment than in a
non-VSAN environment.
B. When capacity planning where VSANs will be implemented, each VSAN must be capacity planned
independently of all other VSANs.
C. VSANs are over provisioned separately to provide for capacity growth.
D. Unused ports can easily be redeployed for other applications in other VSANs.
Answer: D 
28. What are two MDS features that increase the efficiency of a multiple switch Fibre Channel fabric? (Choose
two.)
A. Port Channel
B. CDP
C. FCP
D. FCC
E. CUP
Answer: AD 
29. Your customer has implemented an IPS-8 for FCIP connectivity to remote sites. How can this customer
prevent unauthorized hosts from connecting to the Cisco MDS 9000 fabric through the FCIP interfaces?
A. Configure RADIUS authentication
B. Configure IPSec encryption on the IPS-8
C. Configure IP ACLs on the IPS-8
D. Configure fabric binding on the IPS-8
Answer: C
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30. Which Cisco MDS feature alleviates a head-of-line blocking condition when occasional bursts of traffic
exceed the capacity of an end device to receive data?
A. VOQs
B. VSAN allowed list
C. FCC
D. QoS
Answer: A 
31. What should you do to allow iSCSI hosts on multiple subnets to connect to a single GigE interface on an IPS
module?
A. configure multiple VSANs on the IPS module iSCSI interface
B. configure QoS on the IPS module iSCSI interface
C. configure QoS on the IPS module GigE interface
D. configure VLAN subinterfaces on the IPS module GigE interface
Answer: D 
32. Which tool requires the Cisco Fabric Manager Server License in order to operate?
A. Cisco Performance Manager
B. Cisco Fabric Manager
C. Cisco SAN Extension Tuner
D. Cisco Fabric Analyzer
Answer: A 
33. What are two ways of preventing unauthorized hosts from connecting to the management interface of a Cisco
MDS 9000 Family switch? (Choose two.)
A. use SNMPv3 only
B. configure IP ACLs
C. configure management VSANs
D. use digital certificates
E. implement RBAC
Answer: BD
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34. Which Cisco MDS 9500 Series feature addresses the customer requirement for five nines (99.999-percent)
availability?
A. active and standby FC line cards
B. virtual output queuing (VOQ)
C. SSM card is installed in the switch
D. nondisruptive software upgrades
E. redundant fan cards
Answer: D 
35. Which three of these Cisco storage and networking devices are optimized for use in FCIP SAN Extension
implementations? (Choose three.)
A. MDS 9216i Multilayer Fabric Switch
B. IPS-8
C. MDS 9120 Multilayer Fabric Switch
D. MDS 9140 Multilayer Fabric Switch
E. MPS-14/2
F. SSM
Answer: ABE 
36. Select three characteristics of the Cisco coarse wave division multiplexing (CWDM) solution. (Choose three.)
A. multiplexes up to eight wavelengths across a single fiber pair
B. supports a maximum connection length of 220 kilometers
C. supports both linear and ring topologies
D. requires OADMs (optical add/drop multiplexers) to aggregate multiple wavelengths across the same fiber pair
E. can be optically amplified to extend the distance characteristics
Answer: ACD 
37. A customer has two data centers connected by dark fiber and also has a requirement for synchronous data
replication between the data centers. If the data centers are 48 km apart, what is the most cost effective solution?
A. CWDM
B. IVR
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C. FSPF
D. DWDM
E. Native FC
Answer: A 
38. What are three characteristics of OLTP storage traffic? (Choose three.)
A. small I/O size
B. large I/O size
C. sustained throughput
D. bursty throughput
E. latency-sensitive
F. not latency-sensitive
Answer: ADE 
39. Which MDS 9000 feature provides protection against rogue hosts impersonating legitimate hosts?
A. Port mode security
B. DH-CHAP
C. Fabric binding
D. SSH
Answer: B 
40. 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?
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 
41. Which SFP and media-type combination should you recommend for a high-speed 10-kilometer link between
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two Cisco MDS switches?
A. 4-Gbps-LW, LC SFP, 50/125-micron multi-mode media
B. 4-Gbps-LW, LC SFP, 62.5/125-micron multi-mode media
C. 4-Gbps-LW, LC SFP, 9/125-micron single-mode media
D. 4-Gbps-LW, LC SFP, 50/125-micron single-mode media
Answer: C 
42. How are Cisco MDS 9000 distributed device aliases synchronized between all switches in the fabric?
A. using the Cisco Fabric Services (CFS) feature
B. using the Fabric Manager Import/Export Alias feature
C. as part of fabric merge events
D. using Fabric Manager Server only
Answer: A 
43. A customer has deployed a number of Cisco MDS 9509 Multilayer Directors in its data center. Some of the
directors were deployed with a pair of 4000W AC power supplies and some were deployed with a pair of 2500W
AC power supplies, depending on their locations within the data center. The customer has a pool of spare 4000W
power supplies. The power supplies to some of the directors have been configured in combined mode in order to
support line card configuration.
One of the 2500W power supplies to an MDS 9509 configured in combined mode fails. The administrator has no
additional 2500W power supplies as spare. The administrator replaces the failed 2500W power supply with a
4000W power supply.
What will be the combined-mode power capacity of the MDS 9509 running on 220V AC power?
A. 1300
B. 2500
C. 5000
D. 6500
Answer: C 
44. What is the principal cost advantage of a collapsed core SAN design compared to a core-edge design if each
connects the same number of host and storage ports?
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A. fewer hops for a given exchange
B. fewer long-wave SFPs
C. fewer ISL connections
D. fewer domains on the domain list
E. fewer director-class switches
Answer: C 
45. Which of the following is the recommended design practice for routing from Cisco MDS to remote iSCSI host
subnets?
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 
46. Which two kinds of applications require sustained throughput and are sensitive to latency? (Choose two.)
A. synchronous replication
B. asynchronous replication
C. OLTP
D. tape backup
E. e-mail
Answer: AD 
47. What are three advantages of a collapsed-core architecture? (Choose three.)
A. This design provides the most efficient use of ports because no ports are consumed for ISLs.
B. The absence of ISLs significantly decreases reliability and manageability.
C. The absence of any oversubscription increases switch throughput.
D. Since there are fewer available paths over which traffic may travel, FSPF values are higher.
E. Ports can be scaled easily by adding hot-swappable blades without disrupting traffic.
F. The highest performance is achieved by director-class switches, because the high-speed backplane provides low
fixed latency between any two ports.
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Answer: AEF 
48. What is an advantage of Cisco MDS 9000 Distributed Device Alias Services over Fibre Channel aliases?
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 
49. 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?
A. one
B. two
C. three
D. four
Answer: C 
50. Which two items are necessary when implementing a highly available SAN design? (Choose two.)
A. redundant hardware
B. localized data backups
C. real-time fabric monitoring
D. nondisruptive upgrades
E. traffic engineering and QoS
Answer: AD