WGUl D413l Objectivel Assessmentl Latestl

WGUl D413l Objectivel Assessmentl (Latestl 2026/l 2027l Update)l Telecommunicationsl andl Wirelessl Communicationsl Review|l 100%l Verifiedl Questionsl &l Answersl |l Gradel A

Q:l Whatl isl onel typel ofl waveforml usedl tol transmitl electromagneticl signalsl inl wirelessl media?

Radiol waves Ultravioletl waves Thermall waves Gammal waves

Answer:

Radiol waves

Q:l Whatl isl thel wirelessl servicel thatl enablesl peoplel tol havel accessl tol mobilel internet?

Cellularl digitall packetl datal (CDPD) Bluetooth Ethernet Wirelessl Applicationl Protocoll (WAP)

Answer:

Cellularl digitall packetl datal (CDPD)

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Q:l Whichl wavesl havel higherl frequenciesl thanl infraredl transmissionl frequencies?

Visiblel lightl waves Microwaves Radiol waves Electromagneticl waves

Answer:

Visiblel lightl waves

Q:l Whichl typel ofl wavesl arel usedl inl Bluetoothl transmission?

Low-powerl radiol waves High-powerl radiol waves Low-powerl ultravioletl waves High-powerl ultravioletl waves

Answer:

Low-powerl radiol waves

Q:l Whatl isl al sourcel ofl industriall noise?

Electricl motors Lightning Crosstalk Electronl movement

Answer:

Electricl motors

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Q:l Whichl cablel realizesl noisel protectionl withl thel usel ofl foill shielding?

Al cablel transmittingl signalsl betweenl 15l andl 20l kHz Al cablel transmittingl signalsl betweenl 10l andl 15l kHz Al cablel transmittingl signalsl betweenl 5l andl 10l kHz Al cablel transmittingl signalsl betweenl 0l andl 5l kHz

Answer:

Al cablel transmittingl signalsl betweenl 15l andl 20l kHz

Q:l Whatl isl onel advantagel ofl thel cyclicl redundancyl checkl (CRC)?

Itl detectsl al largel proportionl ofl possiblel errors.Itl evaluatesl datal basedl onl 8-bitl encoding.Itl usesl al smalll numberl ofl parityl bits.Itl isl usefull asl anl authenticationl mechanism.

Answer:

Itl detectsl al largel proportionl ofl possiblel errors.

Q:l Howl arel stuttersl counteractedl tol improvel thel qualityl ofl Voicel overl Internetl Protocoll (VoIP)?

Byl installingl jitterl buffers Byl usingl analogl signall transmission Byl installingl VPNl software Byl usingl al higherl signall frequency

Answer:

Byl installingl jitterl buffers

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Q:l Whenl usingl al campusl network,l al collegel studentl consistentlyl noticesl slow-movingl connectivityl inl thel afternoonl butl notl inl thel morning.

Whatl causesl thisl problem?

Therel isl greaterl networkl congestionl inl thel afternoon.Powerl usel onl thel campusl isl greaterl inl thel afternoon.Networkl securityl measuresl arel bolsteredl inl thel afternoon.IPl addressesl arel reassignedl eachl dayl inl thel afternoon.

Answer:

Therel isl greaterl networkl congestionl inl thel afternoon.

Q:l Whichl wirelessl securityl featurel hidesl thel contentsl ofl networkl packetsl tol ensurel datal canl bel transmittedl overl al wirelessl networkl safely?

Intrusionl detectionl system Applicationl gateway Authentication Encryptionl key

Answer:

Encryptionl key

Q:l Whichl multiplexingl techniquel transmitsl eachl signall froml onel inputl sourcel vial al singlel timel slotl throughl thel creationl ofl differentl slots?

Synchronousl time-divisionl multiplexing Asynchronousl time-divisionl multiplexing Integratedl Servicesl Digitall Networkl (ISDN)l multiplexing Transmissionl Systeml 1l multiplexing

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