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QUESTION 60
Which three are features of Open Shortest Path First (OSPF) routing? (Choose three)
A. 15 maximum router hops
B. Uses a path cost routing metric
C. Updates routing tables when network topology changes occur
D. By default, peridoc updates are sent every 30 seconds between routers
E. Maximum hops are limited only by the size of the routing tables within routers
Correct Answer: BCE
QUESTION 61
Which class of IP addresses is reserved for IP multicasting?
A. Class A
B. Class B
C. Class C
D. Class D
E. Any class of IP address may be used for IP multicasting
Correct Answer: D
QUESTION 62
Which LAN technology provides both incremental bandwidth and redundancy between devices?
A. Resilient Links
B. Aggregated Links
C. IEEE 802.3 1D Spanning Tree Protocol (STP)
D. Virtual Router Redundancy Protocol (VRRP)
E. IEEE 802.3 1W Rapid Spanning Tree Protocol (RSTP)
Correct Answer: B
QUESTION 63
Your Maluti University (MU) data center design uses a single Switch 8814 to support the campus backbone, the server farm and the wiring-closet connections in Building 9. Which four current Switch 8800 features address Maluti Univerisity (MU) network requirements? (Choose four)
A. With no single point of failure, the switch creates a reliable, high-availablity solution
B. Protocol-based VLAN support provides the necessary flexibility to control broadcast traffic.
C. Support integrated Services (IntServ) and RSVP to provide flow-based, fine-grain control over network traffic.
D. With the load-sharing, redundant Switch Fabric, the switch has a maximum aggregated throughput of more than 400 Mpps
E. Multiple priority features will ensure key applications receive the best network response, i.e; eight priority queues per port, Weighted Random Early Detection (WRED) queuing and DiffServ support.
F. IEEE 802.1X network Login and Authentication, Authorization, Accounting (AAA) capabilities provide the necessary network security by establishing what services employees can use and preventing unauthorized users from gaining access to the network
Correct Answer: CDEF
QUESTION 64
Which 3Com solution would you recommend for the Maluti University (MU) data center in Building 9 to create the highly-redundant campus backbone connecting the four distribution buildings?
A. Option A -One Switch 7700 8-Slot Chassis Starter Kit with -One 8-port 1000BASE-X module (3C16858) Eight 1000BASE-SX GBICs (3CGBIC91)
B. Option B -One Switch 8810 Starter Kit with -One 12-port 1000BASE-X module (3C17516) Eight 1000BASE-LX GBICs (3CGBIC92)
C. Option C -One Switch 8814 Starter Kit with -One 12-port 1000BASE-X module (3C17516) Eight 1000BASE-LX SFP Transceivers (3CSFP92) -One Switch 8800 360 Gbps Fabric Module (3C17508)
D. Option D -One Switch 8814 Starter Kit with -One 12-port 1000BASE-X module (3C17516) -Eight 1000BASE-LX SFP Transceivers (3CSFP92) -Two Switch 8800 360 Gbps Fabric Modules (3C17508)
Correct Answer: C
QUESTION 65
If you recommended the 3Com Switch 8800 for Maluti University (MU) data center solution in Building 9, which Switch 8800 interface-module solution would you use to connect the Satellite Buildings to the data center switch?
A. One 24-port 10/100/1000BASE-T Module (3C17516)
B. Multiple 2-port 10 GBASE-X modules (3C17512) with 10GBASE-ER XENPAK transceivers
C. One 12-port 1000BASE-X module (3C17513) with multiple 1000BASE-LH SFP Transceivers (3CSFP97)
D. One 12-port 1000BASE-X module (3C17513) with multiple 1000BASE-LX SFP Transceivers (3CSFP92)
Correct Answer: D
QUESTION 66
You recommended a 1000BASE-X campus-backbone solution to Maluti University (MU) to connect the four distribution buildings to the data center MU is concerned that the 1000BASE-X campus backbone will not provide enough network bandwidth to support its combined data/voice network traffic. Which solution would you recommend to MU to alleviate this concern?
A. Use VLAN segmentation to reduce the traffic that traverses the campus backbone.
B. Distribute the 28 servers, currently located in Building 9 data center, throughout the network to reduce campus-backbone traffic.
C. Use the Switch 8800 in the data center and the Switch 4070 in the distribution centers with 10-Gig Ethernet connections between the switches
D. Use the Switch 8800 in the data center and the Switch 7700 in the distribution centers with 10-Gig Ethernet connections between the switches
Correct Answer: D
QUESTION 67
If you recommended the 3Com Switch 8800 for Maluti University (MU) data center solution in Building 9, which Switch 8800 interface-module solution would you use to connect the wiring-closet switches in Building 9 to the data center switch?
A. The 12-or 24-Port 1000BASE-X module
B. The 24-port 10/100/1000BASE-T Module (3C17516)
C. The 12- or 24-Port 1000BASE-X module with multiple 1000BASE-SX SFP Transceivers ( 3CSFP91)
D. The 12- or 24-port 1000BASE-X module with multiple 1000BASE-LHSFP Transceivers (3CSFP97)
Correct Answer: C
QUESTION 68
Which solution would you recommend to the Da Silva Research Foundation (DRF) to support its wiring closet, end-user switch requirements?
A. SuperStake 3 Switch 4400 FX
B. SuperStake 3 Switch 4400 SE with a 1000BASE-SX Module
C. SuperStake 3 Switch 4400 24/48-Port with 1000BASE-T Module
D. SuperStake 3 Switch 4400 24/48-Port with 1000BASE-SX Module
Correct Answer: D
QUESTION 69
Which two 3Com solution would you recommend for the Da Silva Research Foundation (DRF) Building 9 data center to support both the campus/building backbone and the server farm with a single switch? (Choose two)
A. One Switch 4070
B. One Switch 7700 7-Slot Chassis
C. One Switch 7700R 8-Slot Chassis
D. One Switch 8807
E. One Switch 8810
Correct Answer: CE
QUESTION 70
Which three Switch 8800 features address the Da Silva Research Foundation (DRF) data center’s backbone-core requirements? (Choose three)
A. Protocol-based VLAN support provides the necessary flexibility to control broadcast traffic.
B. Load-sharing, redundant Switch Fabric provides higher data throughput and increased network reliability
C. With four prioritization queues per port, the switch has the QoS support required for network telephony
D. Reliability features reduce network outages, i.e, hot-swappable I/O modules, power supplies fans, Switch Fabric and VRRP support.
E. Resilient Links used in combination with Link Aggregation creates hih-speed, redundant links from the data center to the four distribution buildings.
F. IEEE 802.1X network Login and Authentication, Authorization, Accounting (AAA) capabilities provide the necessary network security by establishing what services employees can use and preventing unauthorized users from gaining access to the network
Correct Answer: BDF
QUESTION 71
If you chose either the 3Com Switch 8810 or Switch 8814 for Da Silva Research Foundation (DRF) data center solution, which interface Modules would you use to connect the four distribution centers and the nine satellite buildings?
A. Option A -One 24-port 1000BASE-X module (3C17514) with -Four 1000BASE-LX SFP Transceivers (3CSFP92) to connect the distribution centers -Nine 1000BASE-SX SFP Transceivers (3CSFP91) to connect the satellite buildings
B. Option B -Two 24-port 1000BASE-X modules (3C17514) with -26 1000BASE-SX SFP Transceivers (3CSFP91) to connect the distribution centers and the satellite buildings
C. Option C -One 12-port 1000BASE-X modules (3C17513) and One 24-port 1000BASE-X modules (3C17514) with -26 1000BASE-SX SFP Transceivers (3CSFP91) to connect the distribution centers and the satellite buildings
D. Option D -One 12-port 1000BASE-X modules (3C17513) One 24-port 1000BASE-X modules (3C17514)with Eight 1000BASE-SX SFP Transceivers (3CSFP92) to connect the distribution centers -18 1000BASE-SX SFP Transceivers (3CSFP91) to connect the satellite buildings
Correct Answer: D
QUESTION 72
Which two 3 Com solutions would you recommend to Da Silva Research Foundation (DRF) for each of the four distribution centers in Buildings 16,20,35 and 38, to connect them to the campus backbone? (Choose two)
A. Option A -Two Switch 4050 each with -One 1000BASE-SX GBIC
B. Option B -Two Switch 4060 each with -One 1000BASE-LX GBIC
C. Option C -One switch 7700 7-slot chassis starter kit with -One 8-port 1000BASE-X module (3C16858) -Two 1000BASE-SX GBICs (3CBIC91)
D. Option D -One switch 7700R 8-slot chassis starter kit with -One 8-port 1000BASE-X module (3C16858) -Two 1000BASE-LX GBICs (3CBIC92)
E. Option E -One switch 7700 R 8-slot chassis starter kit with -One 8-port 1000BASE-X module (3C16858) -Four 1000BASE-LX GBICs (3CBIC92)
Correct Answer: BD
QUESTION 73
Which three Switch 8800 features address the Da Silva Research Foundation (DRF) data center’s backbone-core requirements? (Choose three)
A. Protocol-based VLAN support provides the necessary flexibility to control broadcast traffic.
B. Load-sharing, redundant Switch Fabric provides higher data throughput and increased network reliability
C. With four prioritization queues per port, the switch has the QoS support required for network telephony
D. Reliability features reduces network outages, i,e hot -swappable I/O modules, power supplies fans, Switch Fabric and VRRP support
E. Resilient Links used in combination with Link Aggreation creates high-speed, redundant links from the data center to the four distribution buildings
F. IEEE802.1Xnetwork Login and Authentication Authorization, Accounting (AAA) capabilities provide the necessary network security by eastablishing what services employees can use and preventing unauthorized users from gaining access to the network
Correct Answer: BDF
QUESTION 74
Which two 3Com solutions would you recommend for the Da Silva Research Fundation (DRF) Building 9 data center to support both the campus/building backbone and the server farm with a single switch? (Choose two)
A. One Switch 4070
B. One Switch 7700 7-Slot Chassis
C. One Switch 7700R 8-Slot Chassis
D. One Switch 8807
E. One Switch 8810
Correct Answer: CE
QUESTION 75
Which solution would you recommend as the distribution-layer switch for each of the Bantry Bay four main buildings that connect to the data center and to the smaller buildings on campus?
A. Two Switch 4050
B. Two Switch 4060
C. Two SuperStack 3 Switch 4924
D. Two SuperStake 3 Switch 4950
Correct Answer: B
QUESTION 76
If you choose two Switch 4060s for each of the Bantry Bay distribution layer buildings, which three would you recommend to the customer to provide maximum resiliency and throughput? (Choose three)
A. Redundant internal power supplies
B. Resilient Links to maximize backbone redundancy
C. SuperStack 3 Advanced Redundant Power System
D. XRN Interconnect Kit to connect the two distribution-layer switches
E. IEEE802.3 ad Link Aggregation to maximize backbone bandwidth and reliability
F. SuperStack 3 Switch 4900 1000BASE-T module to connect the two distribution-layer switches
Correct Answer: ADE
QUESTION 77
If you choose the SuperStack 3 Switch 4924 to support the Bantry Bay server farm, which three customer benefits are attained from using an XRN interconnection Kit with the two SuperStack 3 Switch 4924 server-farm switches? (Choose three)
A. The Fabric Interconnect has an 8-Gbps (16-Gbps full duplex)switching limit
B. The two switches would share one IP address and be managed as a single entity
C. Any number of ports can join a Link Aggregation trunk with all ports active and transporting data
D. XRN Distributed Resilient Routing (DDR) uses a “Master Router” to perform all the routing across the Fabric.
E. XRN Distributed Resilient Routing (DDR) allows switches in the Fabric to act as a single logical router, which provides router resiliency in the event of a unit failure in the Fabric
F. XRN Distributed Link Aggregation (DLA) guarantees high levels of resiliency, because a failure in one of the member links results in automatic redistribution of traffic across the remaining links
Correct Answer: BEF
QUESTION 78
If you reocommend a single Switch 7700R 8-Slot Chassis to create the hihly-resilient backbone, which three switch components would Bantry Bay require for the data center’s backbone-core switch? (Choose three)
A. One Switch 7700R Starter Kit (3C16852)
B. One Switch 7700 AC Power Supply (3C 16854)
C. Three Switch 7700 AC Power Supplies (3C 16854)
D. One Switch 7700R 8-Slot Fan Assembly (3C 16855)
E. One Switch 7700R Gigabit Ethernet Redundant Switching Fabric (3C 16857R)
Correct Answer: ABE
QUESTION 79
Which two 3Com solutions would you recommend for the Bantry Bay data center, backbone core? (Choose two)
A. Two Router 6040
B. One Router 6080
C. Two Switch 7700 4-Slot Chassis
D. Two switch 7700 7-s;ot chassis
E. One switch 7700R 8-slot Chassis
Correct Answer: DE
QUESTION 80
If you recommend a Switch 7700 for the data center backbone-core solution, which three modules/ interfaces would the customer require for each of the two data center backbone-core switches? (Choose three)
A. Eight 1000BASE-SX GBICs (3CGBIC91)
B. Eight 1000BASE-LH70 GBICs (3CGBIC97)
C. One Switch 7700 8-port 1000BASE-T module (3C16859)
D. One Switch 7700 8-port 1000BASE-X module (3C16858)
E. Two Switch 7700 8-port 1000BASE-T module (3C16859)
F. Two Switch 7700 8-port 1000BASE-X module (3C16858)
Correct Answer: ACD
QUESTION 81
Which two rules must be followed when configuring Link Aggregation groups on the Switch 7700 1000BASE-T and 1000BASE-X modules? (Chosse two)
A. The Linux Aggregation group can start on any port.
B. All the ports in a Link Aggregation group must be consecutive
C. A single Link Aggregation group can span multiple Interface Modules
D. A maximum of eight ports can belong to a single Link Aggregation group
E. A maximum of twelve ports can belong to a single Link Aggregation roup
Correct Answer: AB
QUESTION 82
Which three components are required to create a local XRN solution (excluding the appropriate 3Com switches? (Choose three)
A. 3Com Network Supervisor
B. XRN Fabric interconnect Modules
C. High-Bandwidth interconnect Cable
D. Gigabit Multilayer Switching Software V3.x
E. Gigabit Ethernet Layer switching modules
Correct Answer: BCD
QUESTION 83
What is the maximum number of Link Aggregation load-balancing group supported on the Switch 7700?
A. 4 groups
B. 13 groups
C. 24 groups
D. 64 groups
E. 128 groups
Correct Answer: D
QUESTION 84
Which two Switch Fabric Engine LED conditions indicate there is a problem with the Switch 7700? (Choose two)
A. ALMLED is off
B. ALMLED is blinking
C. RUN LED is solid green
D. RUN LED is blinking green
Correct Answer: BC
QUESTION 85
If you choose two Switch 4060s for each of the Bantry Bay distribution layer buildings, which three would you recommend to the customer to provide maximum resiliency and throughput? (Choose three)
A. Redundant internal power supplies
B. Resilient Links to maximize backbone redundancy
C. SuperStack 3 Advanced Redundant Power System
D. XRN Interconnect Kit to connect the two distribution-layer switches
E. IEEE802.3 ad Link Aggregation to maximize backbone bandwidth and reliability
F. SuperStack 3 Switch 4900 1000BASE-T module to connect the two distribution-layer switches
Correct Answer: ADE
QUESTION 86
The Switch 7700 or Switch 8800 can be used as the primary authentication service or as a backup if the RADIUS server group is unavailable.
A. True
B. False
Correct Answer: A
QUESTION 87
Exhibit:
Which three Ethernet modes are supported on the Switch 7700 8-port 1000BASE-T(3c16859)Interface
Module? (Choose three)
A. 10 Mbps in full duplex only
B. 10 Mbps in half/full duplex mode
C. 100 Mbps in full duplex mode only
D. 100 Mbps in half/full duplex mode
E. 1000 Mbps in full duplex mode only
F. 1000 Mbps in half/full duplex mode
Correct Answer: BDE
QUESTION 88
Which three are recommended guidelines for an XRN network? (Choose three) A. Only enable Rapid Spanning Tree Protocol (RSTP) or Spanning Tree Protocol (STP) on edge switches
B. Do not insert Fabric interconnect Modules into the Super Stack 3 Switch 4900 or Switch 40×0 switches
C. Run the same version of the Gigabit Multilayer Switching (MS) Software (4Xor higher) across the fabric
D. Use fault-tolerant 3Comhardware, i.e the Switch 40×0 family that provides additional levels of hardware fault tolerance
E. The XRN Fabric Modules should be installed while the fabric switch powered on. Hot swapping XRN Fabric Modules is also recommended in the event of a failure
Correct Answer: BCD
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