3Com_RealExamQuestions.Com 3M0-212_v2011-11-09_142q_By-Kathy

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 its definition.

Correct Answer: QUESTION 9
Which two are features of IEEE 802.1X Network Login? (Choose two.)
A. Authenticates users before they gain access to the network
B. All authorization can be administered centrally
C. Security administrators must use the history log file to determine who is accessing the network
D. Devices such as telephones are automatically authenticated based on IP address

Correct Answer: AB
Which three are benefits of Open Shortest Path First (OSPF) over Routing Information Protocol (RIPv1)? (Choose three.)
A. Provides faster convergence
B. Updates neighbor routers by sending complete router table
C. Performs packet flooding using broadcasts
D. Employs equal-cost, multi-path (ECMP) routing
E. Supports flexible subnet schemes

Correct Answer: ADE
Which two are features of the Switch 7700 and Switch 8800 Spanning Tree Protocol configuration and support? (Choose two.)
A. RSTP considers VLANs in its calculation
B. Both switches support “STP disable per port”
C. Spanning Tree is enabled by default
D. Use Multiple Rapid Spanning Tree Protocol (MSTP) to enable VLAN-specific links between multiple switches

Correct Answer: BD
Which two queuing features are supported on the Switch 8800? (Choose two.)
A. QoS policies are based on Layer 2 packet information only
B. Eight output queues per port
C. The switch only supports Strict Priority (SP) queuing
D. The switch supports multiple queuing algorithms (i.e., Strict Priority (SP) queuing, Weighted Random Early Discard)
Correct Answer: BD

Which two are Layer 2 features of the Switch 5500 family? (Choose two.)
A. User definable MAC table aging period
B. GARP Multicast Registration Protocol (GMRP)
C. Multiple Spanning Tree Protocol (MSTP)
D. Rapid Spanning Tree Protocol (RSTP)
Correct Answer: AD

Which two are security features on the Switch 8800? (Choose two.)
A. Switch requires an external RADIUS server for user authentication
B. Switch can act as both authenticator and authentication server
C. Supports a single supplicant on each physical port
D. IEEE 802.1X Network Login can be enabled globally or on individual ports

Correct Answer: BD QUESTION 15
What is a purpose of the Switch 5500 automatic VLAN and QoS assignment?
A. Always applies the administrative configuration to the port at login
B. Dynamically creates a new VLAN using RADIUS Authentication of Device Access (RADA) specifications
C. VLAN and QoS profile are supplied by the RADIUS server when a user logs on
D. Preconfigures the port with the VLAN and QoS configurations

Correct Answer: C QUESTION 16
Which three products with 10Gbe support does 3Com recommend using in the network core and server aggregation layer? (Choose three.)
A. Switch 7700/7750
B. SuperStack 3 Switch 4900
C. Switch 8800 family
D. Switch 5500
E. SuperStack 3 Switch 4400

Correct Answer: ACD QUESTION 17
Which three hardware reliability features are supported by all Switch 8800 chassis models? (Choose three.)
A. Redundant, load-sharing power supplies
B. Hot-standby, hot-swappable redundant switch fabric
C. eXpandable Resilient Networking (XRN) redundant backbone support
D. Redundant, load-sharing switch fabric
E. Hot-swappable switch elements

Correct Answer: ADE QUESTION 18
The Switch 5500 RADIUS Authentication of Device Access (RADA) is designed to authenticate users based on MAC address without the requirement for IEEE 802.1X client on the attached devices.
A. False
B. True

Correct Answer: B QUESTION 19
The Switch 8800 supports IEEE 802.3ae 10 gigabit Ethernet Jumbo Ethernet Frames (9KB).
A. True
B. False

Correct Answer: A QUESTION 20
Which two are switching fabric features/functions on the Switch 8800? (Choose two.)
A. Redundant switch fabric remains in standby mode unless the master switch fabric fails
B. The master switch fabric must be in slot #1
C. The master switch fabric provides route calculation and management for the entire chassis
D. The switch fabric is hot-swappable, load-balancing fabric

Correct Answer: CD
Which Switch 5500 model(s) supports a 96 Gbps full-duplex XRN stacking connection?
A. Switch 5500G-EI
B. Switch 5500-SI
C. Switch 5500-EI
D. All of the above

Correct Answer: A
Which two are Quality of Service (QoS) features of the Switch 5500 family? (Choose two.)
A. Configurable queue processing
B. Queue priority is based only on First In First Out (FIFO) algorithm
C. Eight hardware queues per switch
D. Eight hardware queues per port

Correct Answer: AD
Which three application-availability techniques should be used to ensure high network availability? (Choose three.)
A. Enforce techniques primarily at the network core
B. Identify and prioritize mission-critical applications
C. Protect resources with network security
D. Block rogue applications
Correct Answer: BCD
Which three routing features are supported on the Switch 8800? (Choose three.)
A. Cisco IOS
B. Routing policies
C. Border Gateway Protocol (BGP-4)
D. Virtual Router Redundancy Protocol (VRRP)
E. Enhanced Interior Gateway Routing Protocol
Correct Answer: BCD
Which two are Switch 8800 routing configuration considerations? (Choose two.)
A. By default, RIP is disabled on the switch
B. Supports EIGRP
C. By default, RIP v2 runs when RIP is enabled
D. Supports OSPF

Correct Answer: AD
Which two are benefits of the Switch 5500 XRN Distributed Device Management (DDM) support? (Choose two.)
A. Supports up to 12 switches in a single stack
B. Creates a 12 Gbps full-duplex link between switches
C. All switches within a stack act as a single logical device
D. Resilient XRN architecture provides management access if any switch fails in a stack

Correct Answer: CD QUESTION 27
Which two describe the attributes of the Switch 8800 switch fabrics? (Choose two.)
A. Switch must be powered off to replace a switch fabric
B. The slave switch fabric provides active, load-balancing data switching
C. Switch fabric load balancing is enabled by the user
D. Upon failover, the slave switch fabric must learn and rebuild all routing tables

Correct Answer: BC QUESTION 28
Match each Virtual Router Redundancy Protocol (VRRP) component with its function.

Correct Answer: QUESTION 29
For which customer network environment does 3Com recommend the Switch 8800 family?
A. Internet Service Provider (ISP)
B. Large enterprise network core
C. Large enterprise distribution layer
D. All of the above

Correct Answer: B QUESTION 30
Match each Switch 8800 internal component with its function.