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QUESTION 51
Which Switch 7700 command shows the prority used for input/output packet operations?
A. display priority-trust
B. display qos-interface all
C. display qos-interface traffic-priority
D. display qos-interface traffic-statistics
Correct Answer: A
QUESTION 52
Which three can be used to download a configuration fole on the Switch 7700? (Choose three)
A. Use IP PROTOCOL
B. Use FTP protocol
C. Use TFTP protocol
D. Use HTTP protocol
E. Use XMODEM protocol
F. Use the system “dump” command
Correct Answer: BCE
QUESTION 53
Which two are syslog features/ functions on the Switch 7700 and Switch 8800? (Choose two)
A. Responsible for all system information on output
B. By default, the syslog automatically clears its file every 30 days
C. Is divided into eight levels, which can be filtered based on a level
D. Serves as an information center of the system’s software modules
E. Can be dumped to aconsole, monitor, SQL database or ASCII text file
Correct Answer: CD
QUESTION 54
Which four are Link Aggregation features/functions on the Switch 7700? (Choose four)
A. The switch supports the IEEE 802.3ad standard
B. Link Aggregation ports must be consecutive switch ports
C. Link Aggregation ports should be set to TRUNK or HYBRID
D. Use the “display interface” command to see all ports within a group
E. Use the “display link-aggregation” command to see all ports within a group
F. A Link Aggregation port should be set to “access” if more than one VLAN is supported on the link
Correct Answer: BCDF QUESTION 55
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 56
When two PCs on the same Virtual LAN (VLAN) are unable to communicate with each other, which three procedures will help troubleshoot the Layer 2 Data Link issue? (Choose three)
A. Flush the IP routing table
B. Check the VLAN setting for each port
C. Check the LED status on each of the ports
D. Clear and reset the Spanning Tree Protocol tables
E. Flush the Address Resolution Protocol table
F. Check the bridge forwarding table to ensure the IP/MAC address assignment is correct
Correct Answer: BEF
QUESTION 57
Which four are hardware features/functions of the SuperStack 3 Switch 4900 Family? (Choose four)
A. Full/half duplex on all ports
B. Four traffic queues per port
C. Store and forward switching
D. GBIC interface for flexible cabling
E. 12,000MAC addresses per unit, 64 permanent
F. Smart auto-sensing across all multi-speed copper ports
Correct Answer: ABEF
QUESTION 58
Which four are switch configuration features of the Superstack 3 switch 4900 Family? (Choose four)
A. Configuration information is stored in a read-only file
B. Switch configuration can be stored or restored from a remote server
C. Up to three software images can be saved in the switch’s flash memory
D. The switch must be reset to the factory default before a configuration can be saved
E. Only a manager or security access level user can perform save or restor operations
F. All switch information is saved to the configuration file i.e, passwords, IP addresses, etc..
G. During the software upgrade the new image will always overwrite the standby image
H. The configuration of the Distributed Fabric is saved and restored with eXpandable Resilient Networking (XRN)
Correct Answer: ABH
QUESTION 59
XRN Technology v2.0 allows network architects to scale bandwidth capacity.
A. True
B. False
Correct Answer: A
3Com 3M0-212 Certified Network Associate (CCNA) is the composite exam associated with the Cisco Certified Network Associate certification.Candidates can prepare for this exam.This exam tests a candidate’s knowledge and skills required to install, operate, and troubleshoot a small to medium size enterprise branch network.
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QUESTION 47
Which three are important considerations when configuring/calling a remote NBX phone connected via a cable modem or DSL link? (Choose three.)
A. Enable silence suppression and low bandwidth options in the NBX
B. Fixed or DHCP IP address can be assigned to remote NBX phones
C. An NBX gateway is required to support remote users without an NBX
D. All phone calls between the central and remote sites use Layer 2 IP packets
E. Network Address Translation (NAT) should be configured for the central site but NAT should not be used at the remote site
F. The Network Call Processor (NCP) can provide the remote phone an IP address for the duration of a call to a remote user
G. The Network Call Processor (NCP) can be configured to provide the local phone an IP address for the duration of a call to a remote user
Correct Answer: ABG QUESTION 48
Which three are NBX IP licensing features or requirements? (Choose three.)
A. Every NBX device requires a fixed IP address
B. A DHCP server is required to use IP On-the-Fly
C. IP On-the-Fly is included with all new NBX base systems
D. Companies can upgrade their license from IP On-the-Fly to Standard IP
E. IP addresses can be supplied via static or DCHP addressing when using Standard IP
F. An NBX phone can operate as a Layer 3 “IP Phone” on a per-call basis when using IP-on-the-Fly
Correct Answer: CEF
QUESTION 49
Which three bandwidth reduction methods are supported by the NBX system? (Choose three.)
A. Pulse Code Modulation (PCM)
B. Adaptive Transform Encoding (ATE)
C. ITU-T G.723 bandwidth compression
D. ITU-T G.729 bandwidth compression
E. Silence suppression on a per-device basis only
F. Adaptive Differential Pulse Code Modulation (ADPCM)
G. Silence suppression on a system-wide or per-device basis
Correct Answer: DFG
QUESTION 50
Which four are requirements for using Virtual Tie Lines (VTL) with an NBX system? (Choose four.)
A. VTL license is required for each participating NCP
B. Each VTL counts as one NBX device for device limit
C. Each NBX must have its own Network Call Processor (NCP)
D. VTLs require a T1 or E1 Digital Line Card in each NBX system
E. A maximum of 96 VTLs are supported on any one NBX system
F. VTL requires either IP On-the-Fly or Standard IP license for each NBX system
G. VTLs maintain Quality of Service (QoS) and provide end-to-end IP-ToS tagging
Correct Answer: ACFG
QUESTION 51
Which three are requirements for conference call support across Virtual Tie Lines (VTL)? (Choose three.)
A. Requires Standard IP license for each participating NBX system
B. Must use same range of multicast addresses on all NBX systems
C. Internet Gateway Multicast Protocol (IGMP) addresses must be defined
D. WAN routers must support Internet Gateway Multicast Protocol (IGMP)
E. Supports functions such as: Music on Hold (MOH) and internal page initiation
F. Requires Network Address Translation (NAT) configuration on Virtual Tie Lines
Correct Answer: BCD
QUESTION 52
Inbound NBX Computer Telephony Integration (CTI) calls support directory dialing and on-screen dialing and call processing.
A. True
B. False
Correct Answer: B
QUESTION 53
Which four are features/requirements of the NBX Desktop Call Assistant (DCA) application? (Choose four.)
A. Requires Microsoft Windows 2000 or Windows XP
B. Requires one 3Com SKU and license per NBX system
C. Supports point and click dialing to any phone in the user’s directory
D. Provides personal inbound/outbound call logs with caller ID information
E. Uses Microsoft’s Telephone Applications Program Interface (TAPI) to manage calls
F. Computer with NBXTSP software must have a physical connection to an NBX phone
G. Users can manage all their calls from a single on-screen computer interface, for example, call transfer, conferencing, call park
Correct Answer: CDEG
QUESTION 54
What is Telephone Applications Program Interface (TAPI) Route Point?
A. An NBX feature enabled in the System / TAPI Setup menu that provides intelligent Layer 3 IP routing for TAPI messages on a multi-system, company-wide bases
B. Virtual Network Call Processor (NCP) device or third party application that monitors and maps incoming calls, allowing the NCP to make intelligent routing decisions for the call
C. Virtual device within the Network Call Processor (NCP) to which outbound calls can be mapped, allowing 3rd party applications to make intelligent routing decisions for the call
D. Virtual device within the Network Call Processor (NCP) to which inbound calls can be mapped for a 3rd party application that monitors the route point and makes intelligent call route decisions
Correct Answer: D
QUESTION 55
Which four steps should be performed when installing the NBX pcXset application? (Choose four.)
A. Select country and language
B. Check that the pcXset licenses are installed using NetSet
C. Check and install Standard IP or IP On-the-Fly on the NBX system
D. Do an audio and microphone test from the pcXset Configuration Wizard
E. Create or update the Dial Plan to insure calls are properly routed to remote sites
F. Configure the IP and MAC address of the NCP associated with the pcXset application
Correct Answer: ABDF
QUESTION 56
Which three are features/requirements for using Unified Messaging for an NBX system? (Choose three.)
A. Requires NBX pcXset client software
B. Can use the computer’s default media player to listen to a message
C. APX messaging service functionality is provided by IMAP client on the NBX NCP
D. IMAP4 enabled clients Notes
E. Users can use an IMAP4 compliant application to access and manage voice messages on a computer
F. Requires a Windows-based PC with a minimum of 64MB RAM, full-duplex sound card, a microphone and headset
Correct Answer: BDE QUESTION 57
Which three does the Call Report (CDR) software provide for calls made on an NBX system? (Choose three.)
A. Track all call information
B. Track all incoming and outgoing PSTN calls
C. Track all internal calls within NBX system
D. Provides customer and department chargeback accounting
E. Track all incoming and outgoing attempted and/or abandoned calls
F. Collects telephone usage information on a per user / per call basis
G. Supports “Snap-in” modules for Microsoft Excel and Lotus 123 for integrated account reporting
Correct Answer: BEF
QUESTION 58
Which four are Call Report (CDR) configuration options for an NBX system? (Choose four.)
A. Default setting is Disabled
B. Scramble the last digits for security
C. Determine if trunk-to-trunk calls are recorded
D. Choose how often a new tracking file will be created
E. Select what data fields will be tracked, for example, time of call, length, etc.
F. Compatibility format option, for example, Microsoft Excel or Lotus 123 formatting
G. Determine how long the tracking information will be retained before it is purged by the system
Correct Answer: ABCG
QUESTION 59
How does the NBX administrator download the Event Log file for viewing?
A. Reports / Event Log – Download Log button
B. Downloads / Event Log – choose file name and Download Logs button
C. Click on Download Logs button
D. Reports / System Data / Event Log – choose file name and Download Logs button
Correct Answer: C
QUESTION 60
Which three changes require an NBX system reboot? (Choose three.)
A. New software version
B. Removing an interface card from an NBX chassis
C. Change to NCP information, for example, IP address, default gateway
D. Change to network protocol, for example, Standard IP or IP On-the-Fly
E. Change to Digital Line Card protocol, for example, Standard IP or IP On-the-Fly
F. Adding any new interface card to the NBX chassis, for example, Digital Line Card, Hub card, etc.
Correct Answer: ACD
QUESTION 61
A NBX Software license upgrade provides access to the specific license purchased and every prior software release.
A. True
B. False
Correct Answer: A
QUESTION 62
Which four are NBX configuration backup/restore attributes? (Choose four.)
A. By default, NBX voice mail messages are backed up
B. A Backup should be done after each major configuration change
C. By default, the backup is stored to the NBX hard disk
D. To run a backup choose: System Configuration / Manage Data and click Backup Database button
E. Data included in a backup: configuration database, Auto Attendant prompts, user voice mail greetings, and optionally, all voice mail messages
F. To restore the configuration information choose: Operations/ Manage Data then select Browse to locate the configuration file and Click Restore
G. To restore an individual user’s voice messages choose: Operations/ Manage Data input the users extension and click Restore Voice Mail Messages
Correct Answer: BCEF
QUESTION 63
Which four components are included with the NBX V3000 IP Telephony system? (Choose four.)
A. One Analog FXS port
B. 32 MB memory module
C. Four Analog FXO ports
D. 20 GB system disk drive
E. Two T1/E1 Digital Line ports
F. Network Call Processor (NCP)
G. Two 10/100 Mbps Ethernet LAN ports
Correct Answer: ACDF
QUESTION 64
What Power Status state indicates the NBX V3000 is currently booting?
A. Solid red
B. Solid green
C. Blinking red
D. Blinking green
E. Blinking yellow
Correct Answer: D
QUESTION 65
What software version(s) is currently supported by the NBX V3000?
A. NBX R4.3
B. NBX R4.4
C. NBX R4.x
D. Same software versions as the NBX 100
E. Same software versions as the SuperStack 3 NBX
F. Same software versions as both the NBX 100 and SuperStack 3 NBX
Correct Answer: B
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QUESTION 47
Match each Radio Frequency (RF) propagation issue with its description.
A.
B.
C.
D.
Correct Answer:
QUESTION 48
Choose the three features supported by the 11g 54Mbps Wireless LAN Indoor Building-to-Building Bridge. (Choose three.)
A. Point-to-point or point-to-multipoint configurations
B. Multiple antenna options
C. Up to 108 Mbps in turbo mode
D. Wireless Distribution System (WDS) Bridging
E. Weatherproof enclosure
Correct Answer: ABD
QUESTION 49
Which antenna type is typically used indoors to provide large coverage areas within a building?
A. Patch panel or parabolic antenna
B. Dipole antenna
C. Omnipole antenna
D. Yagi or semi-directional antenna
Correct Answer: C
QUESTION 50
Which three are provided by the 3Com Wireless LAN Site Survey V2.x for discovered access points (APs)? (Choose three.)
A. Type of authentication and encryption activated on the APs
B. APs available in your area
C. VLAN ID of each AP
D. IP address of each AP
E. Channel used by each AP
F. Radio type for each AP, i.e., 802.1a/b/g
Correct Answer: BEF
QUESTION 51
What is the first step a wireless station performs as it attempts to access a wireless network?
A. Beaconing
B. Active or passive scanning
C. Roaming and reassociation
D. Authentication
Correct Answer: B QUESTION 52
To configure encryption on an access point (AP) that is part of a Wireless Distribution System (WDS), you must configure each AP separately, using a wired-Ethernet connected computer.
A. True
B. False
Correct Answer: A QUESTION 53
The 3Com Wireless LAN Controller WX4400 provides high-bandwidth, centralized control for up to 144 directly attached managed access points (MAPs).
A. True
B. False
Correct Answer: B QUESTION 54
To use IEEE 802.1X Network Login for the wireless LAN (WLAN), you must configure both the 3Com access point (AP) and wireless LAN NIC for 802.1X authentication.
A. False
B. True
Correct Answer: B QUESTION 55
Which security protocol uses a hashed password for authentication rather than using a less secure encrypted password?
A. Extensible Authentication Protocol-Message Digest 5 (EAP-MD5)
B. Wired Equivalent Privacy (WEP)
C. 3Com Dynamic Security Link
D. Temporal Key Integrity Protocol (TKIP)
Correct Answer: A QUESTION 56
What is the process for determining the best installation design of a Wireless LAN (WLAN)?
A. Facility walk-through
B. WLAN analyzer
C. Site survey
D. Network discovery
Correct Answer: C QUESTION 57
You have launched the 3Com Wireless Infrastructure Device Manager (WIDM) software to configure your Wireless LAN Access Point 8750. When you see the access point (AP) on your PC screen, it has an exclamation point located to the left of the AP. What is the significance of the exclamation point?
A. The AP is still booting up
B. The AP does not have an IP address assigned or is in a different subnet from your PC
C. The AP has had a device failure and is non-operational
D. The AP is configured as a Managed Access Point (MAP)
Correct Answer: B QUESTION 58
Which best describes the purpose of the 3Com Wireless LAN Switch Manager (3WXM) “upload” command?
A. To perform an error check on a configuration file, then load the file from a 3Com Wireless LAN Switch/ Controller to the 3WXM
B. To deploy a configuration file from 3WXM to a 3Com Wireless LAN Switch/Controller
C. To load a configuration file from a 3Com Wireless LAN Switch/Controller into 3WXM, perform an error check on the file and place the unit into the network plan
D. To perform an error check on a configuration file, then deploy the file from 3WXM to a 3Com Wireless LAN Switch/Controller
Correct Answer: C QUESTION 59
What is dynamic rate shifting on Wireless LAN (WLAN) products?
A. Wireless devices that support packet bursting to increase throughput by sending more frames per a given time period
B. Automatic Turbo mode with up to 108 Mbps
C. Ability to dynamically support both IEEE 802.11b and IEEE 802.11g speeds
D. Wireless devices that automatically change the connection speed based on the quality of the signal
Correct Answer: D QUESTION 60
What is the estimated Mbps speed achieved with an IEEE 802.11a access point at the maximum distance of 50 meters (164 feet)?
A. 12 Mbps
B. 6 Mbps
C. 2 Mbps
D. 36 Mbps
E. 54 Mbps
Correct Answer: B QUESTION 61
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