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4.2.4.4 Packet Tracer – Connecting a Wired and Wireless LAN

What are two reasons for physical layer protocols to use framework encoding techniques? (Choose 2.)

to reduce the variety of collisions on the mediato distinguish information bits from manage bitsto administer much better media error correctionto recognize wbelow the frame starts and also endsto rise the media throughput
Explanation:
An encoding strategy converts a stream of data bits in a preidentified code that deserve to be recognized by both the transmitter and also the receiver. Using preidentified patterns helps to differentiate information bits from manage bits and also administer much better media error detection.

What is suggested by the term throughput?

the guaranteed information transport price available by an ISPthe capacity of a specific tool to carry datathe meacertain of the usable data transferred throughout the mediathe meacertain of the bits transferred across the media over a offered period of timethe moment it takes for a message to gain from sender to receiver
Explanation:
Throughput is the measure of the transport of bits throughout the media over a given duration of time. Throughput is impacted by a number of determinants such as, EMI and also latency, so it hardly ever matches the specified bandwidth for a network-related medium. The throughput measurement consists of user data bits and also other information bits, such as overhead, acknowledging, and also encapsulation. The measure of the usable information transferred across the media is called goodput.

A netoccupational administrator notices that some newly installed Ethernet cabling is moving corrupt and distorted data signals. The brand-new cabling was set up in the ceiling close to fluorescent lights and also electric devices. Which 2 components may interfere through the copper cabling and also lead to signal distortion and also information corruption? (Choose 2.)

EMIcrosstalkRFIsignal attenuationextfinished length of cabling
Explanation:
EMI and RFI signals can distort and corrupt data signals that are brought by copper media. These distortions typically come from radio waves and also electromagnetic devices such as motors and also florescent lights. Crosstalk is a disturbance that is caused by surrounding wires bundled too cshed together with the magnetic field of one wire affecting one more. Signal attenuation is resulted in when an electric signal starts to deterioprice over the length of a copper cable.

Which characteristic defines crosstalk?

the distortion of the netoccupational signal from fluorescent lightingthe distortion of the transmitted messperiods from signals brought in surrounding wiresthe weakening of the network signal over lengthy cable lengthsthe loss of wiremuch less signal over excessive distance from the access point
Explanation:
EMI and RFI can distort network-related signals bereason of interference from fluorescent lights or electrical electric motors. Attenuation results in deterioration of the network signal as it travels alengthy copper cabling. Wireless tools have the right to experience loss of signals bereason of extreme distances from a access suggest, however this is not crosstalk. Crosstalk is the disturbance resulted in by the electric or magnetic areas of the signal brought on an adjacent wire within the very same cable.

What approach is used through UTP cable to assist safeguard against signal interference from crosstalk?

twisting the wires together into pairswrapping a foil shield approximately the wire pairsencasing the cables within a functional plastic sheathterminating the cable with unique grounded connectors
Explanation:
To aid prevent the impacts of crosstalk, UTP cable wires are twisted together into pairs. Twisting the wires together causes the magnetic areas of each wire to cancel each other out.

Refer to the exhilittle. The PC is associated to the consingle port of the switch. All the various other relationships are made through FastEthernet web links. Which kinds of UTP cables can be supplied to connect the devices?


*

CCNA1 Chapter 4 v5.1 001


All three networks use CSMA/CANone of the netfunctions need media access control.Network 1 offers CSMA/CD and also Network-related 3 offers CSMA/CA.Netoccupational 1 supplies CSMA/CA and Network 2 uses CSMA/CD.Netoccupational 2 provides CSMA/CA and Network 3 supplies CSMA/CD.

What is had in the trailer of a data-connect frame?

logical addressphysical addressdataerror detection
Explanation:
The trailer in a data-attach structure consists of error detection indevelopment that is pertinent to the structure consisted of in the FCS field. The header has manage indevelopment, such as the addressing, while the area that is suggested by the word “data” includes the data, deliver layer PDU, and also the IP header.

As information travels on the media in a stream of 1s and also 0s how does a receiving node identify the start and finish of a frame?

The transmitting node inserts begin and also soptimal bits right into the framework.The transmitting node sends out a beacon to educate that a file framework is attached.The receiving node identifies the beginning of a structure by seeing a physical attend to.The transmitting node sends out an out-of-band signal to the receiver about the beginning of the frame.
Explanation:
When information travels on the media, it is converted right into a stream of 1s and also 0s. The framing process inserts right into the framework begin and stop indicator flags so that the destination deserve to detect the beginning and finish of the frame.

What is the attribute of the CRC worth that is found in the FCS area of a frame?

to verify the integrity of the got frameto verify the physical resolve in the frameto verify the logical deal with in the frameto compute the checksum header for the data area in the frame
Explanation:
The CRC worth in the FCS area of the received framework is compared to the computed CRC value of that structure, in order to verify the integrity of the structure. If the 2 values execute not enhance, then the frame is discarded.

Fill in the empty.

The term bandwidth indicates the capacity of a medium to bring information and it is commonly measured in kilobits per second (kb/s) or megabits per second (Mb/s).

Fill in the empty.

See more: What Is 1/5 Of 30 ? (Calculate 1/5 Of 30) What Is 1/5 Of 30

What acronym is supplied to referral the information attach sublayer that identifies the network layer protocol encapsulated in the frame? LLC

Match the features to the correct form of fiber. (Not all options are supplied.)


From year to year, Cisco has actually updated many versions via distinction questions. The latest version is version 6.0 in 2018. What is your version? It counts on your instructor producing your course. We recommfinish you to go believed all variation if you are not clear. While you take digital test via netacad.com, You may obtain random questions from all version. Each variation have actually 1 to 10 various inquiries or more. After you testimonial all concerns, You have to practice through our virtual test device by go to "Online Test" connect below.

Version 5.02Version 5.1Version 6.0Online Assessment
Chapter 4 ExamChapter 4 ExamChapter 4 ExamOnline Test
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