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QUESTION 147
What would be a good initial SAN-migration project for a small or medium-sized business that possesses ample WAN bandwidth, but that has an immediate need to reduce spending and to maximize resources?
A. Reduce the WAN bandwidth.
B. Implement FCIP to consolidate all remote SANs.
C. Implement backup consolidation.
D. Centralize the data center and implement an iSCSI solution.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 148
Exhibit:
Refer to the exhibit. Which three outcomes would a customer realize by performing the migration from a multitier fabric design to a consolidated design? (Choose three.)
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A. lower effective port cost
B. high availability because of the multifaceted redundancy that is built into the Cisco MDS switch
C. lower effective port count
D. higher effective port cost
E. higher effective port count
F. lower availability because there are fewer fabric switches for failover
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference:
QUESTION 149
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
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 150
What provides storage virtualization from IBM?
A. Advanced Services Module (ASM)
B. Caching Services Module (CSM)
C. Storage Services Module (SSM)
D. Cisco MDS 9000 32-port 1/2-Gbps FC Module
E. IP Multiprotocol Services Module
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 151
A customer is concerned about the security of the SAN. The customer wants to prevent unauthorized hosts and switches from connecting to the SAN fabric. Which technology should be enabled on the Cisco MDS 9000 Series SAN to accommodate this requirement?
Actualtests.com – The Power of Knowing 642-355
A. DHCAP
B. role-based authorization
C. zones
D. SSH
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 152
Which four secure management protocols are used to enable intelligent SAN security? (Choose four.)
A. SSH
B. Secure TFTP
C. SNMP
D. FTP
E. DNS
F. RADIUS-based AAA
Correct Answer: ABCD Section: (none) Explanation Explanation/Reference:
QUESTION 153
When designing a SAN, what is considered to be the most significant security threat?
A. Denial of Service attacks
B. Management Access
C. WWN Spoofing
D. FC_ID Spoofing
E. Host to Storage data paths
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 154
Which tool requires the Cisco Fabric Manager Server License to operate?
A. Cisco Performance Manager
B. Cisco Fabric Manager
C. Cisco Device Manager
D. Cisco Fabric Analyzer Actualtests.com – The Power of Knowing 642-355
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 155
What are two characteristics of iSCSI? (Choose two.)
A. iSCSI initiators cannot be members of more than one VSAN.
B. The port VSAN of an iSCSI interface cannot be modified.
C. iSCSI cannot benefit from existing IP QoS.
D. By default, dynamically mapped iSCSI initiators are members of VSAN 1.
E. The IPS module creates one or more FC virtual N_Ports for each iSCSI host.
F. By default, all statically mapped iSCSI initiators are members of VSAN 4094.
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 156
In a core-edge SAN implementation, which statement is true about oversubscription?
A. When using full-rate mode ports, there is no oversubscription in a core-edge implementation.
B. A core-edge design has manageable oversubscription, but at the cost of used ISL ports.
C. Oversubscription in a core-edge design is implemented by using N_Ports.
D. When using a core-edge design, there is only oversubscription when it is implemented in a heterogeneous environment.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 157
Which technology should be used to provide transparent low latency FC transport across a metropolitan area?
A. DWDM
B. FCIP
C. iSCSI
D. iFCP
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
Actualtests.com – The Power of Knowing 642-355
QUESTION 158
Which Fibre Channel SAN topology maximizes performance and expandability?
A. multi-point
B. point-to-point
C. arbitrated loop
D. switched fabric
E. star
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 159
What are three causes of host oversubscription? (Choose three.)
A. the operating system
B. the PCI bus limitations
C. the RTO and RPO values
D. whether the HBA has a flat FCIDs assigned
E. the limits on the maximum I/O and bandwidth rate
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference: QUESTION 160
What are three array characteristics that are crucial when planning a SAN design? (Choose three.)
A. fan-in ratio
B. connection speed
C. embedded cache controller
D. RAID level support
E. active/passive controller
Correct Answer: BCE Section: (none) Explanation
Explanation/Reference:
QUESTION 161
What are two benefits of the Cisco MDS Series Switches that increase the overall resiliency of SAN extension? (Choose two.)
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A. VSANs and IVR can eliminate the potential disruption of a WAN failure.
B. VSANs and IVR can increase resiliency by combining control traffic and data traffic over the WAN.
C. Parallel tunnels and PortChannels eliminate failure of every VSAN or IVR in the local fabric.
D. PortChannels and VSANs can be used with FCIP to provide end-to-end redundancy and load balancing.
E. Recovery at the PortChannel level, instead of at the FSPF routing level, provides nondisruptive recovery.
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 162
A customer is planning to deploy a new storage-area-network infrastructure. The customer has five buildings within corporate headquarters, each with a separate data center. Four of the five data centers serve separate business units, while the fifth serves as the primary data center for the entire company. The customer would like to deploy the SAN in such a way that each of the five data centers will have its own storage-network infrastructure and connectivity amongst each other. The customer is planning to enable long-distance connectivity from the primary data center for the purposes of replicating data from all of the data centers across the country. Which SAN topology would you recommend that the customer deploy?
A. core-edge
B. collapsed core
C. partial mesh
D. full mesh
Correct Answer: A Section: (none) Explanation
Explanation/Reference: QUESTION 163
Which statement is true about when the Cisco MDS switch is operating in native mode?
A. Native mode is the only mode available on the MDS switch, and thus the switch is able to operate with all other storage switches because all storage switches are certified by SNIA.
B. If the products of other storage-switch vendors strictly adhere to published standards, they will be able to interoperate with MDS in native mode.
C. Most commonly deployed switches in the marketplace today can interoperate with the switches of other vendors while functioning in their default or native mode.
D. Non-MDS switches are able to interpret the Cisco EISL header and thus can Actualtests.com – The Power of Knowing 642-355 interpret VSAN information.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 164
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
Correct Answer: ADE Section: (none) Explanation
Explanation/Reference:
QUESTION 165
At which point can security on a Fibre Channel SAN be implemented? (Choose three.)
A. storage array
B. server
C. Fibre Channel switch
D. GigE NIC
E. SFP connector
Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 166
A customer recently deployed a core-edge storage network infrastructure that consists of several Cisco MDS directors and fabric switches. The directors are deployed in the core of the network, and the fabric switches are deployed as edge devices. The edge devices are connected to the core by PortChannels, which consist of four links. The customer is interested in in-band management of the fabric using TCP/IP. Which two configurations are required for enabling in-band management of the fabric using TCP/IP? (Choose two.)
A. VRRP
B. FCIP
C. IPFC
D. synchronization of management users and passwords Actualtests.com – The Power of Knowing 642-355
E. VSAN IP addresses
Correct Answer: CE Section: (none) Explanation
Explanation/Reference:
QUESTION 167
A customer has deployed two Cisco MDS 9509 Multilayer Directors. One MDS 9509 is deployed in each of two separate data centers. The primary data center is always active, and the secondary data center is considered a standby site. The data centers are connected together by a single Gigabit Ethernet connection that is shared by many departmental networks within the company. The network connection is unreliable and is frequently out of service. The storage administrator needs to synchronously replicate data from an array in the production data center to an array in the standby data center, but is concerned about the network instability impacting the production data center. Which feature would you recommend to the administrator to minimize disruption?
A. PortChannel
B. Fibre Channel over IP
C. Inter-VSAN Routing
D. Fibre Channel Congestion Control
E. Fibre Channel timeout values
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 168
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
Correct Answer: ACD Section: (none) Explanation
Explanation/Reference:
QUESTION 169
What are three reasons to implement VSANs in a Fibre Channel SAN? (Choose three.)
Actualtests.com – The Power of Knowing 642-355
A. to reduce network infrastructure requirements
B. to increase data security
C. to enable port-channeling
D. to enable TCP/IP routing
E. to share SAN extension capability using EISLs
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference:
QUESTION 170
What is considered the optimal topology for deployment of Fibre Channel SANs using Cisco MDS family products? (Choose two.)
A. mesh
B. ring
C. core-edge
D. collapsed core
E. core-edge with VSAN
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 171
A large credit card processing firm is adding a second data center to support business continuance. What is the recommended solution for extending the SAN to the second data center if both data centers are active?
A. asynchronous replication using FCIP
B. dual homed servers, and IP connectivity using multiple paths
C. iSCSI installation and a bridge the Ethernet network to the Fibre Channel fabric
D. synchronous replication using DWDM
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 172
A customer has storage arrays from multiple vendors, and is considering a virtualization solution to simplify storage management. Choose three advantages of using a Cisco MDS-based virtualization solution with an MDS 9500 Series Director instead of host-based or storage-based virtualization solutions. (Choose three.)
A. host and storage heterogeneity Actualtests.com – The Power of Knowing 642-355
B. LUN masking that is simpler to implement
C. virtualization that is closer to the target
D. virtualization that is embedded in the switch module
E. availability
Correct Answer: ADE Section: (none) Explanation
Explanation/Reference:
QUESTION 173
A customer is considering designing a new storage-network infrastructure to simplify storage network management. The existing solution uses ten 16-port 1-Gbps Fibre Channel switches. Two of the switches are deployed as core switches, and the remaining eight switches are deployed as edge switches. Each edge switch has an ISL to each of the two core switches. The disk array has four 1-Gbps Fibre Channel interfaces. Two interfaces connect to each of the core switches. Each of the 96 servers has a single 1-Gbps Fibre Channel host bus adapter. Which configuration would provide equivalent or better performance while simplifying infrastructure management?
A. two Cisco MDS 9140 Fabric Switches
B. two Cisco MDS 9216 Fabric Switches, each with one 32-port Fibre Channel line card
C. one Cisco MDS 9506 Multilayer Director with two 16-port Fibre Channel line cards and two 32-port Fibre Channel line cards
D. one Cisco MDS 9506 Multilayer Director with four 32-port Fibre Channel line cards
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 174
Which three applications would be best suited for a SAN rather than a NAS environment? (Choose three.)
A. web content services
B. order entry and inventory tracking
C. enterprise resource planning (ERP)
D. office productivity suites (for example, Microsoft Office)
E. credit card transactions
F. engineering collaboration (for example, CAD and CAM)
Correct Answer: BCE Section: (none) Explanation
Explanation/Reference:
Actualtests.com – The Power of Knowing 642-355
QUESTION 175
A fully loaded Cisco MDS 9506 Multilayer Director requires 2190 watts of power. If 110-volt power is provided to the switch, at which power mode would the switch operate?
A. The director would operate in redundant mode only.
B. The director would operate in combined mode only.
C. The director would operate in redundant mode or combined mode.
D. The director cannot operate with 110-volt power.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 176
What feature of the MDS 9000 family would be most valuable in establishing a baseline of the traffic load on an existing network prior to making changes?
A. SPAN
B. RSPAN
C. FC-SP
D. Performance Manager
E. AAA
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 177
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.
Correct Answer: AEF Section: (none) Explanation
Explanation/Reference:
Actualtests.com – The Power of Knowing 642-355
QUESTION 178
A customer wants to consolidate the storage in an existing SAN where Cisco MDS Series Switches are deployed. How can the customer accomplish this goal and still be able to retain full access to the data?
A. dual supervisor modules
B. virtual output queuing (VOQ)
C. stateful failover
D. universal interoperability mode 4
E. per-VSAN FSPF routing
Correct Answer: E Section: (none) Explanation Explanation/Reference:
QUESTION 179
A customer is designing a SAN for each of two data centers. The two data centers are connected by dark fiber, which is owned by the customer. Cisco ONS platforms terminate the fiber and provide service aggregation. The customer requirements include that the SAN in each data center meet or exceed five nines of availability and be interconnected using 16 separate lambdas. The customer has four storage devices in each data center, and each storage device has four Fibre Channel interfaces. Each data center has 32 servers, and each server has two host bus adapters. The majority of the servers require only 20 to 30MBps of throughput on average, but four of the servers require 150 MBps of throughput on average. What will provide the most cost-effective design to satisfy these requirements?
A. two Cisco MDS 9216 Fabric Switches in each data center, each MDS 9216 with an additional 16-port Fibre Channel line card
B. two Cisco MDS 9216 Fabric Switches in each data center, each MDS 9216 with an additional 32-port Fibre Channel line card
C. two Cisco MDS 9506 Multilayer Directors with one in each data center, each MDS 9506 with two 16-port Fibre Channel line cards and two 32-port Fibre Channel line cards
D. two Cisco MDS 9509 Multilayer Directors with one in each data center, each MDS 9509 with two 16-port Fibre Channel line cards and three 32-port Fibre Channel line cards
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 180
What technology minimizes the potential for service interruption on SAN extension
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links?
A. FCIP
B. VRRP
C. VSANs and IVR
D. Port Channeling
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 181
A customer has 12 hosts, each capable of a maximum burst 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
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 182
A customer has the following application and peak-bandwidth requirements:Four database servers: 50 MBps eachFour exchange servers: 30 MBps each20 midrange development servers: 20 MBps eachWhich dual-fabric designs would best meet the needs of this price-sensitive customer while allowing for future SAN extension capability?
A. two Cisco MDS 9216i Multilayer Fabric Switches, each with an IPS-8 module
B. two Cisco MDS 9216A Multilayer Fabric Switches, each with an SSM module
C. two Cisco MDS 9216i Multilayer Fabric Switches, each with a 16-port FC module
D. two Cisco MDS 9216A Multilayer Fabric Switches, each with a 32-port FC module
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 183
Which two design criteria require VLANs in a proposed solution? (Choose two)
Actualtests.com – The Power of Knowing 642-355
A. security between departments
B. segmenting collision domains
C. segmenting broadcast domains
D. video steaming on the LAN
E. limited budget of the corporation
F. use of multivendor equipment
Correct Answer: AC Section: (none) Explanation
Explanation/Reference:
QUESTION 184
Which statement describes IPv6 address route summarization?
A. IPv6 address have to converted to IPv4 address to be summarized
B. Classless Inter Domain Routing (CIDR) for IPv6 automatically performs route summarization
C. IPv6 addresses cannot use route summarization
D. IPv6 address have built in route summarization based on Top Level Aggregators, Next Level Aggregators and Site Level Aggregators.
E. The routers in the IPv6 network use proprietary protocols to optimize summarization based on the size of their routing tables.
Correct Answer: D Section: (none) Explanation Explanation/Reference:
QUESTION 185
A converged voice and data network is designed to carry voice calls on-net as close a possible to the destination to reduce long distance charges. What are two reasons that a VoIP call could go off earlier than designed? (Choose two)
A. The local voice gateway detects lack of bandwidth.
B. The destination routing is not configured on both local and remote gateways.
C. The local call manager server is too busy to process the call.
D. The telephone user dials access code.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 186
A manufacturing company has decided to add a website to enhance sales. The web servers in the E-Commerce module must be accessible without compromising network security. Which two design recommendations can be made to meet their requirements? (Choose two)
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A. Use intrusion detection on the E-Commerce server farm
B. Limit the number of incoming connections to the module
C. Place E-Commerce servers and application servers on isolated LANs (DMZs)
D. Move the E-Commerce servers to the WAN module to provide tight security.
E. Use private and public key encryption
Correct Answer: AC Section: (none) Explanation
Explanation/Reference:
QUESTION 187
A global corporation has 2,000,000+ host and 10,000+ routers in their internal network. They also have connectivity to the Internet and do high volumes of traffic with their business partners and the public at large. They have decided to start using IPv6. Which statement best describes a flexible IPv6 strategy for this corporation?
A. IPv6 hosts and IPv6 routers
B. dual stack hosts and dual stack routers
C. dual stack hosts and IPv4 routers
D. IPv4 hosts and IPv6 routers
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 188
A network that is running Voice over Frame Relay (VoFR) is experiencing delay and delay variation due to sterilization of packets of varying size. This condition is causing voice quality problems. Which solution can be added to the network at the sending end to reduce these problems?
A. dejetter buffers
B. hardware digital signal processors
C. link fragmentation and interleaving
D. coding algorithm
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 189
An established network is experience DoS attacks against a specific server in E-Commerce module. The operating system on the server has been upgraded and patched and all unnccded services have been tuned off, but the attacks are
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continuing. What action should be recommended to reduce these attacks?
A. Block all UDP traffic to the affected server by using ACLs at the firewall.
B. Add more servers running the same application as the affected server.
C. Block all TCP traffic to the affected server by using ACLs at the firewall.
D. Limit the correction rate to the affected server at the firewall.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 190
Very large organizations hasreceived its IPv6 address range from their Internet Service Provider and intend to only use IPv6 address internally. They will access the Internet through port address translation (PAT). What is required for their Domain Name Servers, DNS?
A. They no longer need DNS servers
B. Their DNS servers need to support both IPv4 and IPv6 addresses
C. Their DNS servers need to support only IPv6 addresses
D. Their DNS servers need to support only IPv4 addresses
E. They need additional DNS servers in their network just for IPv6 addresses
F. There are no changes required to their DNS servers
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 191
RST Corporation is planning to upgrade its current network. The chief technology officer (CTO) has supplied a topology diagram and an IP addressing scheme of the current network during an interview. The
company has been growing at about twenty percent per year and it has been difficult to maintain customer
support at a satisfactory level. The RST board has met and directed the CTO to look into network
improvements.
Which two items are most relevant in documenting RST’s business requirements?
A. improved customer support
B. existing network topologies
C. IP addresses assigned by the ISP
D. projected growth
E. frequency of board meetings
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
Actualtests.com – The Power of Knowing 642-355
QUESTION 192
In Cisco VoIP implementation what is used on a router to associate physical voice ports with phone numbers?
A. automatically route selections
B. translation patterns
C. IP telephony
D. dial neers
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 193
What is the default encapsulation for synchronous serial interfaces on Cisco routers?
A. ATM
B. HDLC
C. PPTP
D. Frame Relay
E. GRE
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 194
How does Roles Based Access Control (RBAC) enhance manageability in an environment with VSANs?
A. limit 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
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 195
What is the impact of IPv6 on the BGP protocol?
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A. There is a new version of BGP for IPv6
B. Host converts BGP to IS-IS for IPv6
C. Host converts BGP to IS-IS for IPv6
D. There is no change for BGP between Ipv4 and IPv6
E. BGP cannot be used with IPv6
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
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