Ccna I Introduction To Networking (V5 + V6) Chapter Four Answers

CCNA 1 Introduction To Networking (V5 + V6) Chapter 4 Answers

Hello, seekers hither is solution manual for CCNA 1 Introduction to Networking (v5 + v6) Chapter 4 answers 2018. The answers are marked every bit red. If you lot discover a novel enquiry or nosotros missed a enquiry comment it below.

1) Why are ii strands of fiber used for a unmarried fiber eye connection?
>> The ii strands permit the information to locomote for longer distances without degrading.
>> They forestall crosstalk from causing interference on the connection.
>> They growth the speed at which the information tin laissez passer on notice travel.
>> They permit for full-duplex connectivity.

2) Which type of connector does a network interface bill of fare use?
>> DIN
>> PS-2
>> RJ-11
>> RJ-45

3) What is ane wages of using fiber eye cabling rather than copper cabling?
>> It is unremarkably cheaper than copper cabling.
>> It is able to live installed some abrupt bends.
>> It is easier to terminate as well as install than copper cabling.
>> It is able to comport signals much further than copper cabling.

4) Refer to the exhibit. What is incorrect alongside the displayed termination?
>> The woven copper braid should non stimulate got been removed.
>> The incorrect type of connector is beingness used.
>> The untwisted length of each wire is likewise long.
>> The wires are likewise thick for the connector that is used.

5) Refer to the exhibit. The PC is connected to the console port of the switch. All the other connections are made through FastEthernet links. Which types of UTP cables tin laissez passer on notice live used to connect the devices?

>> 1 – rollover, 2 – crossover, 3 – straight-through
>> 1 – rollover, 2 – straight-through, 3 – crossover
>> 1 – crossover, 2 – straight-through, 3 – rollover
>> 1 – crossover, 2 – rollover, 3 – straight-through

6) What are ii reasons for physical layer protocols to work frame encoding techniques? (Choose two.)
>> to bring down the divulge of collisions on the media
>> to distinguish information bits from command bits
>> to furnish ameliorate media mistake correction
>> to position where the frame starts as well as ends
>> to growth the media throughput

7) What is indicated past times the term throughput?
>> the guaranteed information transfer charge per unit of measurement offered past times an ISP
>> the capacity of a detail medium to comport data
>> the mensurate of the usable information transferred across the media
>> the mensurate of the bits transferred across the media over a given menstruum of time
>> the fourth dimension it takes for a message to larn from sender to receiver

8) A network administrator notices that some newly installed Ethernet cabling is carrying corrupt as well as distorted information signals. The novel cabling was installed inwards the ceiling unopen to fluorescent lights as well as electrical equipment. Which ii factors may interfere alongside the copper cabling as well as outcome inwards signal distortion as well as information corruption? (Choose two.)
>> EMI
>> crosstalk
>> RFI
>> signal attenuation
>> extended length of cabling

9) Fill inwards the blank.
The term bandwidth indicates the capacity of a medium to comport information as well as it is typically measured inwards kilobits per minute (kb/s) or megabits per minute (Mb/s).

10) What technique is used alongside UTP cable to assist protect against signal interference from crosstalk?
>> twisting the wires together into pairs
>> wrapping a foil shield some the wire pairs
>> encasing the cables inside a flexible plastic sheath
>> terminating the cable alongside particular grounded connectors

11) Fill inwards the blank.
What acronym is used to reference the information link sublayer that identifies the network layer protocol encapsulated inwards the frame?
>> LLC

12) Which feature describes crosstalk?
>> the distortion of the network signal from fluorescent lighting
>> the distortion of the transmitted messages from signals carried inwards next wires
>> the weakening of the network signal over long cable lengths
>> the loss of wireless signal over excessive distance from the access point

13) What is the part of the CRC value that is found inwards the FCS plain of a frame?
>> to verify the integrity of the received frame
>> to verify the physical address inwards the frame
>> to verify the logical address inwards the frame
>> to compute the checksum header for the information plain inwards the frame

14) Fill inwards the blank.
Influenza A virus subtype H5N1 physical topology that is a variation or combination of a point-to-point, hub as well as spoke, or mesh topology is commonly known every bit a hybrid topology.

15) What is contained inwards the trailer of a data-link frame?
>> logical address
>> physical address
>> data
>> error detection

16) As information travels on the media inwards a stream of 1s as well as 0s how does a receiving node position the initiatory off as well as destination of a frame?
>> The transmitting node inserts start as well as halt bits into the frame.
>> The transmitting node sends a beacon to notify that a information frame is attached.
>> The receiving node identifies the initiatory off of a frame past times seeing a physical address.
>> The transmitting node sends an out-of-band signal to the receiver virtually the initiatory off of the frame.

17) Refer to the exhibit. Which controversy describes the media access command methods that are used past times the networks inwards the exhibit?

>> All iii networks work CSMA/CA
>> None of the networks bespeak media access control.
>> Network 1 uses CSMA/CD as well as Network 3 uses CSMA/CA.
>> Network 1 uses CSMA/CA as well as Network 2 uses CSMA/CD.
>> Network 2 uses CSMA/CA as well as Network 3 uses CSMA/CD.

18) What is truthful concerning physical as well as logical topologies?
>> The logical topology is e'er the same every bit the physical topology.
>> Physical topologies are concerned alongside how a network transfers frames.
>> Physical topologies display the IP addressing system of each network.
>> Logical topologies cite to how a network transfers information betwixt devices.

19) Which method of information transfer allows information to live sent as well as received at the same time?
>> full duplex
>> half duplex
>> multiplex
>> simplex

20) Which controversy describes an extended star topology?
>> End devices connect to a fundamental intermediate device, which inwards plough connects to other fundamental intermediate devices.
>> End devices are connected together past times a motorbus as well as each motorbus connects to a fundamental intermediate device.
>> Each destination arrangement is connected to its respective vecino via an intermediate device.
>> All destination as well as intermediate devices are connected inwards a chain to each other.

21) Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?
>> application
>> transport
>> data link
>> physical

22) A network administrator is designing the layout of a novel wireless network. Which iii areas of trouble should live accounted for when edifice a wireless network? (Choose three.)
>> mobility options
>> security 
>> interference 
>> coverage area
>> extensive cabling
>> packet collision

23) What are ii services performed past times the information link layer of the OSI model? (Choose two.)
>> It encrypts information packets.
>> It determines the path to forrard packets.
>> It accepts Layer 3 packets as well as encapsulates them into frames. 
>> It provides media access command as well as performs mistake detection.
>> It monitors the Layer 2 communication past times edifice a MAC address table.

24) Match the Following





Now From Here Onward The Solution Is For CCNA v5

1) Fill inwards the blank alongside a number.
>> 10,000,000,000 b/s tin laissez passer on notice also live written every bit 10 Gb/s.

2) How is the magnetic plain cancellation consequence enhanced inwards UTP cables?
>> by increasing the thickness of the PVC sheath that encases all the wires
>> by increasing as well as varying the divulge of twists inwards each wire pair
>> by increasing the thickness of the copper wires
>> by decreasing the divulge of wires that are used to comport data

3) Which controversy is right virtually multimode fiber?
>> Multimode fiber cables comport signals from multiple connected sending devices.
>> Multimode fiber commonly uses a Light Amplification by Stimulated Emission of Radiation every bit a lite source.
>> SC-SC piece cords are used alongside multimode fiber cables.
>> Multimode fiber has a thinner kernel than single-mode fiber..

4) A network administrator is required to upgrade wireless access to destination users inwards a building. To furnish information rates upward to 1.3 Gb/s as well as yet live backward compatible alongside older devices, which wireless measure should live implemented?
>> 802.11n
>> 802.11ac
>> 802.11g
>> 802.11b

5) What is ane primary feature of the information link layer?
>> It generates the electrical or optical signals that stand upward for the 1 as well as 0 on the media.
>> It converts a stream of information bits into a predefined code.
>> It shields the upper layer protocol from beingness aware of the physical medium to live used inwards the communication.
>> It accepts Layer 3 packets as well as decides the path past times which to forrard a frame to a host on a remote network.

6) What are ii characteristics of 802.11 wireless networks? (Choose two.)
>> They work CSMA/CA technology.
>> They work CSMA/CD technology.
>> They are collision-free networks.
>> Stations tin laissez passer on notice transmit at whatsoever time.
>> Collisions tin laissez passer on notice be inwards the networks.

7) What is the role of the FCS plain inwards a frame?
>> to obtain the MAC address of the sending node
>> to verify the logical address of the sending node
>> to compute the CRC header for the information field
>> to determine if errors occurred inwards the transmission as well as reception

8) Which controversy describes signaling at the physical layer?
>> Sending the signals asynchronously agency that they are transmitted without a clock signal.
>> In signaling, a 1 e'er represents voltage as well as a 0 e'er represents the absence of voltage.
>> Wireless encoding includes sending a serial of clicks to delimit the frames.
>> Signaling is a method of converting a stream of information into a predefined code

9) The throughput of a FastEthernet network is fourscore Mb/s. The traffic overhead for establishing sessions, acknowledgments, as well as encapsulation is fifteen Mb/s for the same fourth dimension period. What is the goodput for this network?
>> 15 Mb/s
>> 95 Mb/s
>> 55 Mb/s
>> 65 Mb/s
>> 80 Mb/s

10) Place the following

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