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Exam 9: Unified Communications and Network Performance Management

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Question 1

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Which element of H.323 is a device that provides translation between network devices running the H.323 signaling protocols and devices running other types of signaling protocols?

A) H.323 terminal
B) H.323 gateway
C) H.323 gatekeeper
D) MCU

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Question 2

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Matching Match each correct item with the statement below. -The distribution of traffic over multiplecomponents or links to optimize performance and faulttolerance.

A) AF (Assured Forwarding)
B) CALEA (Communications Assistance for Law Enforcement Act)
C) network monitor
D) EF (Expedited Forwarding)
E) load balancing
F) NIC teaming
G) PSTN (Public Switched Telephone Network)
H) SS7 (Signaling System 7)
I) time-shifted video
J) Webcast

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Question 3

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The SNMP version 3 protocol introduces authentication,validation,and encryption for messages exchanged between devices and the network management console.

When using SIP,what term is used to describe end-user devices,which may include workstations,tablet computers,smartphones,or IP phones?

Matching Match each correct item with the statement below. -A U.S.federal regulation that requires telecommunicationscarriers and equipment manufacturers to provide forsurveillance capabilities.It was passed by Congressin 1994 after pressure from the FBI,which worried thatnetworks relying solely on digital communications wouldcircumvent traditional wiretapping strategies.

What security standard below was created to protect credit card data and transactions,requiring network segmentation as part of security controls?

What two terms below describe a network device with three ports,two of which send and receive all traffic,and the third port mirrors the traffic?

What component of SIP is a server that responds to user agent clients' requests for session initiation and termination?

Provide detail on the three different versions of SNMP.

When using DiffServ,what type of forwarding utilizes a minimum departure rate from a given node,which is then assigned to each data stream?

Most UNIX and Linux desktop operating systemsprovide a GUI application for easily viewing and filtering the information in system logs.

In H.323,which protocol below handles call or videoconference signaling?

A highly available server is available what percentage of the time?

What two terms below describe the process of manipulating certain characteristics of packets,data streams,or connections to manage the type and amount of traffic traversing a network or interface at any moment?

Matching Match each correct item with the statement below. -A software-based tool that monitors trafficon the network from a server or workstation attached to thenetwork.It can typically interpret up toLayer 3 of the OSI model.

Matching Match each correct item with the statement below. -One of two DiffServ forwardingspecifications.It assigns each data stream a minimumdeparture rate from a given node.This technique circumventsdelays that slow normal data from reaching its destinationon time and in sequence.

Packets that are smaller than a medium's minimum packet size are known by what term below?

A computer that provides support for multiple H.323 terminals and manages communication between them is known as what term below?

A dropped packet is often referred to as a _____________.

__________________ is the detection and signaling of device,link,or component faults.