Your organization uses an 802.11b wireless network. Recently, other tenants installed the following equipment in your building: Show A wireless television distribution system running at 2.4 GHz A wireless phone system running at 5.8 GHz A wireless phone system running at 900 MHz An 802.11a wireless network running in the 5.725 - 5.850 GHz frequency range An 802.11j wireless network running in the 4.9 - 5.0 GHz frequency range Since this equipment was installed, your wireless network has been experiencing significant interference. Which system is to blame? Upgrade to remove ads Only ₩37,125/year
Terms in this set (100)loop start signaling phone is lifted off hook glare the phone is picked up at the same time as a call comes in but before the phone has a change to ring key system a key system telephone has buttons for outside lines that are pushed to directly access an outside line Private Branch Exchange (PBX) A telephone exchange for a specific office or business. Channel Associated Signaling (CAS) inband signaling (robs bits of information to carry signaling) Common Channel Signaling (CCS) A method of signaling in which information is transmitted using a separate, dedicated signaling channel. what are the three types of signaling used in a telephony network? supervisory signaling - communicates the state of a telephony device address signaling - sends information about the digits dialed information signaling - communicates the current state of the call In-Band Signaling sends the signaling in the same communications channel as the voice what is the benefit of VOIP? reduced cost of communications Analog phones connected to the PSTN typically use which of the following signal types? loop start Which of the following issues is prevented by using ground start signaling? glare Which of the following signal types represents supervisory signaling? off-hook signal what are two disadvantages of using analog connectivity? signal quality which of the following systems allow you to send multiple voice calls over a single digital circuit by dividing the calls into specific time slots? TDM When using T1 CAS signaling, which bits are used to transmit signaling information within each voice channel? eighth bit of every sixth frame How large is each T1 frame sent over a digital CAS connection? 193 bits which of the following time slots are used for T1 and E1 signaling when using CCS connections? Time slot 17 which of the following standards created by the ITU designates international numbering plans for devices connected to the PSTN? E.164 What frequency range is accurately reproduced by the Nyquist theorem on the PSTN? 300-2000 Hz What amount of bandwidth is consumed by the audio payload of G.729a 8kbps Which of the following are high-complexity codecs? G.729 and iLBC Time Division Multiplexing (TDM)
Supports different communication sessions (for example, different telephone conversations in a telephony network) on the same physical medium by allowing sessions to take turns. For a brief period of time, defined as a time slot, data from the first session is sent, followed by data from the second sessions. This continues until all sessions have had a turn, and the process repeats itself. which of the following products would support integrated FXS ports? Cisco Unified Communications Manager Express Which of the following signaling methods can CME use for endpoint control? SCCP and SIP Two users are talking on Cisco IP phones to each other in the same office. Midway through the call, an administrator reboots the CME router. What happens to the current call? The call remains active; however, not supplemental features are available for the remainder of the call. Which of the following equipment allows the CME router to convert analog audio into VoIP packets? Digital signal processor which of the following key features supported by CUCM does CME not support? VMware deployment on Unified Computing System platform If a CUCM publisher server fails, which of the following events occur? Administrative access to the CUCM database becomes read-only; user-facing features are writable to the Subscriber How many redundant CUCM servers does a Cisco IP phone support for failover purposes?
4 how many call processing servers does cisco support in a standard CUCM cluster? 8 When run on a single server, Cisco Unity Connection can support up to 20,000 mailboxes. When combining two Cisco Unity Connection servers in an active/active redundancy pair, how many mailboxes are supported? 20,000 Which of the following governs the number of concurrent calls supported by a Cisco Unity Connection server? Voicemail ports Cisco Unified Presence supplies which of the following capabilities? Enterprice IM solution visible status indicators of IP phone users What are the key features of CME? call processing and device control What are the key features of CUCM? Full support for audio and video telephony CUCM database replication the publisher replicates the data as a read-only database to all the subscriber servers in the cluster CUCM runtime data enompasses anything that happens in "real time" in the CUCM cluster What are some feature of Cisco Unity Connection? Proven appliance-based platform what features are added with IMP? enterprise instant messageing What is the max capacity for CME? max 450 phones what is the max capacity for CUCM? max 40,000 phones per cluster what is the max capacity of IMP? max 45,000 users with CUCM cluster integration what is the max capacity of CUC? Max 20,000 mailboxes Which of the following is an industry standard used for powering devices using an ethernet cable? 802.3af Which of the following are valid methods for powering a cisco IP phone? PoE Which of the following terms are associated with a VLAN? IP subnet Which of the following trunking protocols would be used to connect a Cisco switch to a non-Cisco switch device? 802.1Q How should you configure a cisco catalyst switch port supporting voice and data VLANs that is connected to a cisco IP phone? Multi-VLAN access How does a device attached to a Cisco IP phone send data to the switch? as untagged Which of the following commands should you use to configure a port for a voice VLAN 12? switchport voice vlan 12 Which of the following commands would you use to forward DHCP requests from an interface connected to the 172.16.1.0/24 subnet to a DHCP server with the IP address 172.16.100.100? ip helper-address 172.16.100.100 How does the CIsco switch communicate voice VLAN information after a Cisco IP phone has received PoE and started the boot process? Through CDP Which DHCP option provides the IP address of a TFTP server to a Cisco IP phone? option 150 Which of the following NTP stratum numbers would be considered the best? stratum 0 Which of the following protocls could be used for CIsco IP phone registration? SCCP and SIP Which of the following is not an area you can use QoS to manage? fixed delay what are the four potential sources of power in a Cisco VoIP network? Cisco
catalyst switch PoE why would you want an accurate clock on your network devices? It allows Cisco IP phones to display the correct data and time to your users what are the voice traffic one-way requirements? end-to-end delay - 150ms or less Which of the following is not necessary to configure the CME router to support CCP? enabling write operations to the router's flash which two methods will allow CCP to connect to the CME router? copy the default configuration file to NVRAM, give your PC a static IP address of 10.1.1.2/24, and reload the router Copy the default configuration file to NVRAM, set your PC to obtain an IP address automatically, and reload your 1921 model router Which of the following commands are required to enable CCP to configure the CME router? ip http server what type of archive can you download from cisco to reinstall all support files for the integrated GUI back into the router flash? .TAR file Which version of CCP installs into the flash of a Cisco router? CCP Express Which of the following best describes a community in CCP? A group of up to 5 devices enabled for CCP configuration How does the communication change by selecting the Connect Securely check box when adding a device to a CCP community? CCP uses HTTP/SSH to connect to the device what are the four key elements for getting CCP to work? reachable IP address CME provides three user access levels. what are they? System administrator, end user, customer administrator Which command activates the router's web server? ip http server which command authenticates GUI users against entries in the running configuration? ip http authentication local What does the command web admin system name username password password do? defines the ysstem administrator user for CME Which of the folowing are capabilities of the CCP GUI? Dynamic routing configuration Harry is building a 9971 phone in CME. He is explaining some of the differences between the SIP configuration he is creating and the SCCP configuration built for a 7970. Which of the following would be an accurate statement by Harry? a voice register dn is assigned to a SIP voice register pool Which of the following are required steps to create a phone with a functioning line in CME? create a phone (ephone) In CME, how would you create a directory entry and an internal caller ID name that is visible on the IP phones registered to the system? create an extension using CCP which of the following is true of the relationship between users, phones, and extensions in CME? Associating a user with a phone allows that user to make changes to their phone including speed dials and ringer choices what are the three levels of user? system administrators what is the purpose of associating the user to an ephone-dn? provides caller ID for internal calls Which of the following interface types would you use to connect an analog fax machine to the VoIP network? FXS Which of the following commands would you use to configure a T1 line to use channels 1 - 6 to connect to the PSTN using FXO loop start signaling? ds0-group 1 timeslots 1-6 type fxo-loop-start You want to configure a dial peer to connect to a pBX system using a digitial T1 CAS configuration. What type of dial peer would you create? POTS What is the default codec used by a VoIP dial peer? g.729 Which of the following destination patterns could you use to match any dialed number up to 32 digits in length? .+ T after you create a translation rule, how is it applied? to a translation profile which of the following digit manipulation commands will work under a VoIP dial peer? translation-profile What is the final method used by a router to match an inbound dial peer for incoming calls? using dial peer 0 if an ephone-dn lacks an incoming COR list and attempts to dial a dial peer assigned an outgoing COR list what behaviour occurs? CME permits the call You are considering using CCP to create COR configurations. Which of the following is true? CCP uses a single interface to create both incoming and outgoing COR lists what are the two primary types of dial peers? Plain old telephone service (POTS) dial peer Voice over IP (VoIP) dial peer what are the three steps to implement translation profiles? 1. define the rules that dictate how the router will transform the number What process must you follow to build the local phone directory for the CME environment? allow CME to automatically build the directory when you associate the user to the extension using CCP What three conditions can be configured for call forwarding settings in CCP? Forward all calls What happens if the user selects Do Not Disturb on his phone but there is no Call forward setting configured for that line? The call information is displayed on the phone scree, but it does not ring and the visual indicator lamp does not blink Which of the following transfer modes does a CIsco router support by default? Full-consult What is required to provide call transfer capability to CME users? No action is required because the default template includes the Transfer softkey Which of the following is true of the CME Night service feature? Night service is a legacy feature taht has been deprecated in current versions of CME by default, what does pressing the pickup softkey allow you to do in a Cisco unified CME environment? Pick up a specific ringing extension (which you must specify) what is the maximum number of paging groups to which a Cisco IP phone can belong? 1 A user is on an active call at the office using his desk phone. Midway through the call, he presses the Mobility softkey on the screen of his IP phone. What process occurs? The call transfers to his preconfigured single number reach number what are the two transfer methods? Consult and Blind Sets found in the same folderWireless midterm176 terms kgonzales2319Plus Ethernet switching midterm185 terms kgonzales2319Plus Windows Services midterm58 terms kgonzales2319Plus security midterm52 terms kgonzales2319Plus Other sets by this creatorBIOL 0993 Unit 164 terms kgonzales2319Plus BIOL 0983 Unit 360 terms kgonzales2319Plus English 0991 Poetry Terms and Devices50 terms kgonzales2319Plus BIOL 0983 Unit 260 terms kgonzales2319Plus Other Quizlet setsGLOBAL POLITICS ESSENTIALS10 terms Mark_Hopkinson Zoology Chapter 1 Questions13 terms glenna_nichols BIOS 255 A&PIII Final Review30 terms Alexis_McCrossen unit 3 quiz61 terms Michaela_McKeown96 When would you consider changing the codec used in your VoIP system?When would you consider changing the codec used in your VoIP system? (Select two.) When excessive jitter causes unusual sound effects in VoIP calls. When VoIP data consumes too large a portion of your network bandwidth. When network latency causes callers to talk over each other.
What does VoIP stand for quizlet?VoIP. "VoIP stands for voice over Internet protocol, and it means "voice transmitted over a computer network."
Which of the following protocols are used in VoIP choose two?The most popular protocols currently used by VoIP or SIP (Session Initiation Protocol) and H. 323. Most of the VoIP providers will offer SIP trunking capabilities. Beyond this, VoIP can implement other protocols such as MGCP and SCCP.
What is VoIP Geeksforgeeks?Voice over Internet Protocol (VoIP), is a technology that allowing you to make voice calls over a broadband Internet connection instead of an analog (regular) phone line. Some VoIP services allow you to call people using the same service, but others may allow you to call anyone.
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Which of the following BEST describes the main purpose of the codec used in VoIP Quizlet
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