無料111-111アイテムバンクの質問と回答を鑑賞

無料の3COM 111-111試験デモ版のダウンロードデモ

無料3M0-212アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3COM 3M0-212
Title : 3Com Certified Enterprise LAN Pre-Sales Expert version 3.2

1. 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 two current Switch 8800 features address Maluti University (MU) network requirements? (Choose two.)
A. With no single point of failure, the switch creates a reliable, high-availability solution
B. ATM support over OC3 provides greater data throughput on the campus backbone
C. Cut through switching consistently provides lower latency for voice traffic on the LAN
D. Multiple priority features ensure key applications will receive the best network response (e.g., eight priority queues per port, Weighted Random Early Detection (WRED) queuing and DiffServ support)
Answer: AD

2. Which two features are supported by all Switch 5500 models? (Choose two.)
A. Dynamic and static routing
B. Power over Ethernet (PoE)
C. IEEE 802.1X Network Login
D. Hot-swappable Application Module Slot
Answer: AC

3. How should you prioritize traffic on a network, if both voice and video are present on the network?
A. Video and voice traffic should have equal priority
B. Video traffic should have higher priority than voice traffic
C. Voice traffic should have higher priority than video traffic
Answer: C

4. If you chose the Switch 5500G-EI 24 port model (3CR17250-91) for the Maluti University (MU) distribution centers, which solution would you use to connect the distribution center to the wiring closets on the upper floors?
A. Use the 10/100/1000BASE-T switch ports to connect the switch to the wiring closets
B. Use 1000BASE-SX SFP Transceivers on the SFP gigabit ports to connect the switch to the wiring closets
C. Use the 1-port 10G Application Media Module with 10GBASE-LR XFP Transceiver to connect the switch to the wiring closets
D. Use 3Com’s eXpandable Resilient Networking (XRN) Distributed Fabric technology to connect the switch to the wiring closets
Answer: B

5. If you chose the Switch 5500 family for the Maluti University (MU) distribution centers, which solution would you use to connect the distribution centers to the campus data center in Building 9?
A. Use the Switch 5500-EI PWR 28-port model (3CR17171-91) and connect the data center to the SFP slots
B. Use the Switch 5500-EI 28 port FX model (3CR17181-91) and connect the data center to the 100BASE-X SFP transceivers
C. Use the Switch 5500-EI 28 port model (3CR17161-91) and connect the data center to the SFP slots with 1000BASE-SX SFP transceivers
D. Use the Switch 5500G-EI 24 port model (3CR17250-91) and connect the data center to the 2-port 10G Application Media Module with 10GBASE-LR XFP Transceivers
Answer: D

6. Which two are Layer 3 features of the Switch 5500-EI and 5500G-EI? (Choose two.)
A. Dynamic IPX routing
B. Border Gateway Protocol
C. Multicast routing PIM Sparse and Dense Mode
D. Static routes for routed environments where no routing protocol is used
Answer: CD

7. Which two features are supported on the Switch 8800? (Choose two.)
A. ATM over fiber links
B. IEEE 802.3ae 10 gigabit Ethernet
C. IEEE 802.3af Power over Ethernet (PoE)
D. Store and forward and cut-through switching
Answer: BC

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

無料の3COM 3M0-212試験デモ版のダウンロードデモ

無料3M0-300アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3M0-300
Title : 3Com Certified Security Specialist Final Exam

1. Which of the following routers supports version 2.41 router code?
A. 5231
B. 5232
C. 5640
D. 5680
Answer: B

2. Which of the following is NOT a standard port available on the Router 5012?
A. ISDN
B. Console
C. Serial WAN
D. 10/100 Ethernet
Answer: A

無料の3COM 3M0-300試験デモ版のダウンロードデモ

無料3M0-701アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3COM 3M0-701
Title : 3Com Certified IP Telephony NBX Expert Final Exam

1. Which of the following modes of operation are supported by the NBX? (Choose three)
A. PBX Mode
B. Key Mode
C. Hybrid Mode
D. Simulated Mode
E. Traditional Mode
Answer: ABC

2. Convergence brings added value to the customer by reducing cabling and skills costs
A. True
B. False
Answer: A

3. The Network Call Processor (NCP) is responsible for setting up communication between endpoints.
A. True
B. False
Answer: A

4. Which of the following is true of the V3000 NCP? (Choose three)
A. Supports up to 200 total devices
B. Supports up to 1500 total devices
C. Supports up to 12 Voice Mail Ports
D. Supports up to 72 Voice Mail Ports
E. Supports up to 8 Virtual Tie Lines
F. Supports up to 48 Virtual Tie Lines
Answer: BDF

5. Layer 3 operation is required for environments with multiple LANs where the NBX and phones may be on different Ethernet LANs, VLANs or across WANs.
A. True
B. False
Answer: A

6. Changes to Host Name, IP Address, Default Gateway and Subnet Mask require a reboot.
A. True
B. False
Answer: A

7. Which NBX Network Call Processors (NCPs) require a memory upgrade to reach top end device and capacity limits? (Choose two)
A. NBX 100
B. V3000
C. V3000 BRI-ST
D. V3001R
E. V5000
Answer: BC

8. Which of the following statements best characterizes NBX Silence Suppression? (Choose three)
A. Enabling reduces network traffic
B. When enabled, a device that detects silence in conversation sends a small packet with a ilence indicator, rather than a full packet of igitized silence
C. Receiving devices generate white noise for the time periods represented by silence indicator packets
D. Can only be enabled or disabled for the entire system.
E. Can only be used with NBX 3102 phones.
Answer: ABC

無料の3COM 3M0-701試験デモ版のダウンロードデモ

無料3M0-211アイテムバンクの質問と回答を鑑賞

Exam : 3COM 3M0-211
Title : Certified Enterprise LAN Specialist

1. Which two are Layer 3 features of the Switch 5500-EI and 5500G-EI? (Choose two.)
A. Dynamic IPX routing
B. Virtual Router Redundancy Protocol (VRRP)
C. Multicast routing PIM Sparse and Dense Mode
D. Static routes for routed environments where no routing protocol is used
Answer: CD

2. The Switch 5500 allows VLANs to be automatically assigned based on user credentials or on the MAC address of the device.
A. True
B. False
Answer: A

3. Using 3Com’s XRN technology, you can mix Switch 5500-SI and Switch 5500-EI model switches to create a single switch stack.
A. True
B. False
Answer: B

4. 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
Answer: CD

5. Which Layer 3 protocol is supported on the Switch 5500-SI?
A. RIP 2
B. OSPF
C. VRRP
D. PIM Dense Mode
Answer: A

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

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

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

無料の3COM 3M0-211試験デモ版のダウンロードデモ

無料3M0-250アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3COM 3M0-250
Title : 3Com Certified Enterprise LAN Post-Sales Expert version 1.0

1. Which three are Switch 5500 configuration requirements when creating an eXpandable Resilient Networking (XRN) Fabric? (Choose three.)
A.All units in the stack must have the same sysname
B.All units in the stack must be running the same software version
C.A mixture of switch models can be used to create a single XRN Fabric
D.Switch 5500-SI/EI up/down ports must be enabled for fabric mode
E.A switch must be initialized after it has been added to an existing XRN Fabric
Answer: ABD

2. You have issued the switch debugging command debugging rip packets from the management terminal, but you are not receiving any debug output. What is the reason you are not getting any debug output from the switch?
A.RIP has not been enabled, and therefore there is no debug output
B.Output from the debugging command only goes to the syslog server
C.You forgot to issue the enable debugging command at the System View
D.You forgot to issue the terminal debugging command, directing the output to your management terminal
Answer: D

3. What is the effect of the Simple Network Management Protocol (SNMP) switch command snmp-agent target-host trap address udp-domain 129.102.149.23 udp-port 5000 params securityname 3comprivate?
A.Configures the switch with a default community string name of 3comprivate
B.Enables the SNMP trap functions on a switch with IP address 129.102.149.23
C.Configures the switch SNMP agent to send traps to the network management station at IP address 129.102.149.23
D.Enables the SNMP trap functions and sets the default community string name of 3compublic on a switch with IP address 129.102.149.23
Answer: C

4. GARP VLAN Registration Protocol (GVRP) maintains and distributes Virtual LAN (VLAN) registration information only about the dynamically created VLANs using GARP.
A. True
B. False
Answer: B

5. You have configured multiple OSPF areas on your network. How do the different OSPF areas communicate with each other?
A.The Designated Router (DR) uses multicast routing to broadcast advertisements to the other area DRs
B.The Designated Router (DR) connects each OSPF area to the main backbone network and communicates with the other areas
C.The Area Border Router (ABR) connects each OSPF area to the main backbone network and communicates with the other areas
D.The Autonomous System Border Router (ASBR) connects each OSPF area to the main backbone network and communicates with the other areas
Answer: C

6. An IP address must be configured on a switch before it can be managed using Telnet.
A. True
B. False
Answer: A

7. What is the reason to connect the up port on the bottom Switch 5500 in the stack to the down port of the top Switch 5500 in the same stack?
A.Reliability – creates a resilient topology
B.Security – prevents an unauthorized user from connecting to the switch stack
C.Performance – creates the 48-Gbps eXpandable Resilient Networking (XRN) Fabric
D.Management – enables Distributed Resilient Routing (DRR) on the Switch 5500-SI
Answer: A

8. Which two are general Link Aggregation (LA) configuration rules that must be followed when creating an LA group? (Choose two.)
A.A member link port can only belong to one LA group
B.Aggregated links are mutually exclusive with roving analysis and mirror ports
C.A port must be configured for resilient links before it can be configured as a member of an LA group
D.LA ports can only be configured if Link Aggregation Control Protocol (LACP) is enabled on the switches
Answer: AB

無料の3COM 3M0-250試験デモ版のダウンロードデモ

無料3M0-600アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3COM 3M0-600
Title : 3Com Wireless Specialist Final Exam

1. Which two are features of a Wireless LAN (WLAN) Infrastructure Basic Service Set? (Choose two.)
A. Also known as an Ad Hoc or Peer-to-Peer WLAN
B. Members communicate directly with each other within the service area
C. Created when two or more Basic Service Sets are connected together
D. Only stations exist in the service area and no access point (AP) is used
E. Management and control of the service area is performed by the access point (AP)
Answer: BE

2. Many access points (APs) are set up with a default configuration, known as "open system" or "open system authentication," so any station can associate and connect.
A. True
B. False
Answer: A

3. What does the IEEE 802.11d standard specify?
A. Defines Inter Access Point Protocol (IAPP)
B. Defines MAC-based Quality of Service (QoS) mechanism
C. Defines encryption using the Advanced Encryption Standard (AES)
D. Defines the ability to fine tune Wireless LAN configuration at the Physical (PHY) Layer to comply with country-specific rules
Answer: D

4. Which antenna type is typically used indoors to provide large coverage areas within a building?
A. Dipole antenna
B. Omnipole antenna
C. Yagi or semi-directional antenna
D. Patch panel or parabolic antenna
Answer: B

5. Which statement is true for Wireless LAN (WLAN) data and throughput rates?
A. Data rates drop as the distance to the access point (AP) increases
B. Data rates drop as the distance to the access point (AP) decreases
C. Actual data throughput on a WLAN is about 25% of the defined throughput rate
D. Data rates on an IEEE 802.11a/g WLAN are not affected by distance from the access point (AP)
Answer: A

6. Wireless LAN (WLAN) IEEE 8011a Turbo Mode bonds two channels together for up to 108 Mbps data rates.
A. True
B. False
Answer: A

7. Which three are features of 3Com Dynamic Security Link? (Choose three.)
A. Per user, per session dynamic key encryption
B. 40-, 128- and 168-bit shared key encryption support
C. Internal database supporting up to 1,000 user names and passwords
D. Local and remote access point (AP) authentication and encryption support
E. Superior wireless security for networks without a centralized authentication server
Answer: ACE

8. What is the optimal access point (AP) channel allocation configuration on a Wireless LAN (WLAN)?
A. APs should be configured with overlapping channels
B. APs should be configured with different non-overlapping channels
C. It makes no difference if APs use overlapping or non-overlapping channels
D. Allow APs to automatically perform the hunting process to determine the best channels
Answer: B

無料の3COM 3M0-600試験デモ版のダウンロードデモ

無料3M0-700アイテムバンクの質問と回答を鑑賞

　
　
Exam : 3COM 3M0-700
Title : IP Telephony Expert Final Exam v2.5

1. Which two are accurate statements? (Choose two.)
A. NBX 100 supports 48 VTLs
B. NBX V5000 supports 48 VTLs
C. NBX V3000 supports 48 VTLs
D. NBX V5000 supports 72 VTLs
Answer: BC

2. Which three office-to-office and/or office-to-remote user call options are supported by the NBX systems? (Choose three.)
A. With a single NBX system at HQ, users can call to/from a remote office across the data network WAN link using Layer 3 IP communications
B. With a NBX Network Call Processor (NCP) and NBX ConneXtions Gateways at each site, users can call to/from the sites via a Virtual Tie Line (VTL)
C. With a single NBX system at HQ and pcXset on the remote office PC, the remote user can call to/from HQ via any WAN link using TCP/IP Layer 4 communications
D. With a NBX Network Call Processor (NCP) at each location, users can call to/from the sites via a Virtual Tie Line (VTL) using IP On-the-Fly or a Standard IP license
E. With a NBX system and NBX ConneXtions Gateways at each location, users can call to/from the sites via a WAN link that supports IP protocol, for example, VPN, T1, E1 and Frame Relay
Answer: ADE

3. Which three are true statements concerning Silence Suppression? (Choose 3.)
A. Enabling Silence Suppression prioritizes voice traffic
B. Can be enabled or disabled for the entire system only
C. Can be enabled or disabled only for individual telephones
D. Enabling Silence Suppression reduces network traffic
E. Can be enabled or disabled for the entire system, or for individual telephones and line card ports
F. A device that detects silence in a conversation will not send any packets to the other device during the period of silence
G. A device that detects silence in conversation sends a small packet with a "silence indicator,"rather than a full packet of "digitized silence"
Answer: DEG

4. Which three are prioritization mechanisms used with the NBX Communication Systems? (Choose three.)
A. IP TOS
B. Diff Serv
C. IEEE 802.3
D. IEEE 802.1p
E. ANSI 96/RS232
Answer: ABD

5. How do NBX phones prioritize audio traffic?
A. NBX phones forward all voice packets to IEEE 802.1p aware hubs
B. NBX phones tag voice packets using DiffServ for all LAN communication
C. NBX phones use VLAN-tagged frames with the priority level automatically set to 6
D. NBX phones place audio traffic into a priority queue within the NCP, forwarding all voice traffic before forwarding data packets
Answer: C

6. Which two devices are not supported by an NBX Analog Terminal Card (ATC) or Analog Terminal Adapter (ATA)? (Choose two.)
A. Modem
B. FAX machine
C. Cordless phone
D. Credit card reader
E. External bell or pager
F. Standard telephone that requires a DTMF connection
Answer: AD

7. Which three are maintenance alert features on the NBX system? (Choose three.)
A. Can send alert to voicemail
B. Can send alert to a pager or email
C. Can send alert to 3rd party voice messaging systems
D. Can be configured to send alerts to up to 15 mailboxes
E. Can be configured to send an alert for any physical device failure
F. Maintenance alert function is supported on the NBX 100 Communications System only
Answer: ABD

8. Which two are features of the NBX NetSet Administration Utility? (Choose two.)
A. Allows users to sign on with a username of "user" and use their voicemail password for access
B. Is found on 3Com’s NBX systems, as well as, licensed 3rd party Ethernet-based telephony systems
C. Can be accessed through the default IP address of 192.168.1.190.
D. Can be accessed through the default IP address of 192.168.1.191.
E. Allows the administrator to sign on with a username of "administrator" and a password of "0000" for access
Answer: CE

無料の3COM 3M0-700試験デモ版のダウンロードデモ