3COM 3M0-250 3Com Certified Enterprise Lan Post-Sales Expert 50 Q&A Version 2.73

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Exam A
Which file system command displays the directory entries on a 3Com switch?
A. dir /all
B. cd dir /all
C. display dir
D. display dir /all
E. dir display /all
F. mkdir display /all

Correct Answer: A
What is the purpose of the RIP View command network network_address?
A. Enables RIP on all switches with this network address
B. Enables RIP on the switch that is configured with this IP address
C. Displays all RIP routes associated with this network address or with a subnet of this address
D. Enables RIP on all interfaces that are configured with this network address or with a subnet of this address

Correct Answer: D
Which two are Super-VLAN configuration requirements/limitations on the Switch 8800? (Choose two.)
A. Up to 64 ports can be assigned to a Super-VLAN
B. Up to 64 Sub-VLANs can be assigned to a Super-VLAN
C. ARP, VRRP and DHCP are not supported on Super-VLANs
D. Sub-VLANs terminate at a router and are isolated at Layer 3
E. Super-VLANs are assigned an IP address; Sub-VLANs may not be assigned an IP address

Correct Answer: BE
Which Switch 5500 model(s) does not support Distributed Resilient Routing (DRR)?
A. Switch 5500-EI
B. Switch 5500-SI
C. Switch 5500G-EI
D. All of the above
Correct Answer: B

What is the result of the command boot boot-loader file-url?

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Latest 3M0-212 exam dumps _v2010-07-31_135q_By-Alex

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What is the most common Layer 2 method for handling multicast traffic?
C. IGMP Snooping

Correct Answer: C QUESTION 2
Which two features are supported on all Switch 8800 I/O modules? (Choose two.)
A. Small Form-factor Plug-in (SFP) interface for all Ethernet ports
B. IEEE 802.3ad Link Aggregation
C. Layer 2/ Layer 3 switch packet processing
D. Each interface module maintains its own routing and forwarding tables

Correct Answer: BC QUESTION 3
Which three features are only supported on the Switch 5500G-EI switch models? (Choose three.)
A. Hot-swappable Application Module Slot
B. PoE upgradeable power supply unit
C. Four GBIC Small Form-factor Plug-in (SFP) ports
D. 24 or 48 10/100/1000 Mbps ports
E. Port-based VLANs

Correct Answer: ABD QUESTION 4
Which component of XRN technology is defined as: “An advanced routing implementation that allows multiple interconnected switches in an XRN solution to behave as a single active routing entity”?
A. Distributed Resilient Routing (DRR)
B. XRN Interconnect
C. Distributed Device Management (DDM)
D. Distributed Link Aggregation (DLA)

Correct Answer: A QUESTION 5
The Switch 5500 supports multiple runtime and configuration files in its flash file system.
A. False
B. True

Correct Answer: B QUESTION 6
The Switch 5500 supports Simple Network Management Protocol (SNMP) V1, V2 and V3.
A. True

B. False Correct Answer: A QUESTION 7
Which three technologies can be used to provide a high level of network availability? (Choose three.)
A. Internet Group Membership Protocol (IGMP) Snooping
B. Virtual LAN-centric (VLAN-centric) network design
C. Virtual Router Redundancy Protocol (VRRP)
D. IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
E. eXpandable Resilient Networking (XRN)
F. Cut-through switching

Correct Answer: CDE
Match each Spanning Tree acronym with itsdefinition.

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Exam A
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
Which four are Switching Fabric features/Functions on the Switch 8800? (Choose four)
A. Each Switch Fabric has a data channel to every module
B. Supports a hot-swappable, load-balancing Switch Fabric.
C. There is a data channel between the two Switch Fabrics.
D. Each Switch Fabric has a management channel to every module
E. Supports a hot-standby, hot-swappable redundant Switch Fabric
F. The master Switch Fabric is always set to slot #1 unless the fabric in slot #1 fails
G. The master Switch Fabric provides route calculation and management for the entire chassis

Correct Answer: ABCE
What is the maximum number of Linux Aggregation load-balancing groups supported on the Switch 7700?
A. 4 groups
B. 13 groups
C. 24 groups
D. 64 groups
E. 128 groups

Correct Answer: D
Which three are Quality of Service (QoS) features/functions on the Switch 8800? (Choose three)
A. Has eight output queues per port
B. Supports Differentiated Services (DiffServ)prioritization
C. Uses a Randam Early Detection (RED) queue prioritization
D. Uses a Weihted Random Early Detection (WRED) queue prioritization
E. Can configure the priority queues “globally” across all I/O interfaces on a switch
F. Uses Resource Reservation Protocol (RSVP) to allocate bandwidth for high-priority applications

Correct Answer: ABD
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.

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