Friday, March 16, 2018

Ccna I Introduction To Networking (V5 + V6) Chapter Iv 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 divulge a novel query or nosotros missed a query comment it below.

1) Why are 2 strands of fiber used for a unmarried fiber oculus connection?
>> The 2 strands let the information to go for longer distances without degrading.
>> They preclude crosstalk from causing interference on the connection.
>> They increase the speed at which the information tin travel.
>> They let 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 1 payoff of using fiber oculus cabling rather than copper cabling?
>> It is normally cheaper than copper cabling.
>> It is able to live installed closed to precipitous bends.
>> It is easier to terminate together with install than copper cabling.
>> It is able to comport signals much further than copper cabling.

4) Refer to the exhibit. What is incorrect amongst the displayed termination?
>> The woven copper braid should non direct maintain been removed.
>> The incorrect type of connector is beingness used.
>> The untwisted length of each wire is every bit good long.
>> The wires are every bit good 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 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 2 reasons for physical layer protocols to usage frame encoding techniques? (Choose two.)
>> to cut down the lay out of collisions on the media
>> to distinguish information bits from command bits
>> to render ameliorate media fault correction
>> to position where the frame starts together with ends
>> to increase 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 menses of time
>> the fourth dimension it takes for a message to teach from sender to receiver

8) A network administrator notices that some newly installed Ethernet cabling is carrying corrupt together with distorted information signals. The novel cabling was installed inward the ceiling closed to fluorescent lights together with electrical equipment. Which 2 factors may interfere amongst the copper cabling together with outcome inward signal distortion together with information corruption? (Choose two.)
>> EMI
>> crosstalk
>> RFI
>> signal attenuation
>> extended length of cabling

9) Fill inward the blank.
The term bandwidth indicates the capacity of a medium to comport information together with it is typically measured inward kilobits per mo (kb/s) or megabits per mo (Mb/s).

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

11) Fill inward the blank.
What acronym is used to reference the information link sublayer that identifies the network layer protocol encapsulated inward 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 inward 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 component subdivision of the CRC value that is found inward the FCS champaign of a frame?
>> to verify the integrity of the received frame
>> to verify the physical address inward the frame
>> to verify the logical address inward the frame
>> to compute the checksum header for the information champaign inward the frame

14) Fill inward the blank.
H5N1 physical topology that is a variation or combination of a point-to-point, hub together with spoke, or mesh topology is commonly known every bit a hybrid topology.

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

16) As information travels on the media inward a flow of 1s together with 0s how does a receiving node position the kickoff together with destination of a frame?
>> The transmitting node inserts start together with halt bits into the frame.
>> The transmitting node sends a beacon to notify that a information frame is attached.
>> The receiving node identifies the kickoff of a frame past times seeing a physical address.
>> The transmitting node sends an out-of-band signal to the receiver nearly the kickoff of the frame.

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

>> All 3 networks usage CSMA/CA
>> None of the networks postulate media access control.
>> Network 1 uses CSMA/CD together with Network 3 uses CSMA/CA.
>> Network 1 uses CSMA/CA together with Network 2 uses CSMA/CD.
>> Network 2 uses CSMA/CA together with Network 3 uses CSMA/CD.

18) What is truthful concerning physical together with logical topologies?
>> The logical topology is ever the same every bit the physical topology.
>> Physical topologies are concerned amongst how a network transfers frames.
>> Physical topologies display the IP addressing system of each network.
>> Logical topologies advert to how a network transfers information betwixt devices.

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

20) Which contention describes an extended star topology?
>> End devices connect to a fundamental intermediate device, which inward plough connects to other fundamental intermediate devices.
>> End devices are connected together past times a jitney together with each jitney connects to a fundamental intermediate device.
>> Each destination organization is connected to its respective vecino via an intermediate device.
>> All destination together with intermediate devices are connected inward 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 3 areas of trace of piece of employment concern should live accounted for when edifice a wireless network? (Choose three.)
>> mobility options
>> security 
>> interference 
>> coverage area
>> extensive cabling
>> packet collision

23) What are 2 services performed past times the information link layer of the OSI model? (Choose two.)
>> It encrypts information packets.
>> It determines the path to forwards packets.
>> It accepts Layer 3 packets together with encapsulates them into frames. 
>> It provides media access command together with performs fault 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 inward the blank amongst a number.
>> 10,000,000,000 b/s tin also live written every bit 10 Gb/s.

2) How is the magnetic champaign cancellation outcome enhanced inward UTP cables?
>> by increasing the thickness of the PVC sheath that encases all the wires
>> by increasing together with varying the lay out of twists inward each wire pair
>> by increasing the thickness of the copper wires
>> by decreasing the lay out of wires that are used to comport data

3) Which contention is right nearly 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 calorie-free source.
>> SC-SC piece cords are used amongst multimode fiber cables.
>> Multimode fiber has a thinner heart together with individual than single-mode fiber..

4) A network administrator is required to upgrade wireless access to destination users inward a building. To render information rates upwards to 1.3 Gb/s together with nevertheless live backward compatible amongst older devices, which wireless touchstone should live implemented?
>> 802.11n
>> 802.11ac
>> 802.11g
>> 802.11b

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

6) What are 2 characteristics of 802.11 wireless networks? (Choose two.)
>> They usage CSMA/CA technology.
>> They usage CSMA/CD technology.
>> They are collision-free networks.
>> Stations tin transmit at whatever time.
>> Collisions tin be inward the networks.

7) What is the operate of the FCS champaign inward 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 inward the transmission together with reception

8) Which contention describes signaling at the physical layer?
>> Sending the signals asynchronously way that they are transmitted without a clock signal.
>> In signaling, a 1 ever represents voltage together with a 0 ever represents the absence of voltage.
>> Wireless encoding includes sending a serial of clicks to delimit the frames.
>> Signaling is a method of converting a flow of information into a predefined code

9) The throughput of a FastEthernet network is fourscore Mb/s. The traffic overhead for establishing sessions, acknowledgments, together with 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