CCNA 1 Chapter 8 V4.0 Answers
1. Which type of cable run is most often associated with fiber-optic cable?
backbone cable
horizontal cable
patch cable
work area cable
2. In most business LANs, which connector is used with twisted-pair networking cable?
BNC
RJ-11
RJ-45
Type F
3. When is a straight-through cable used in a network?
when connecting a router through the console port
when connecting one switch to another switch
when connecting a host to a switch
when connecting a router to another router
4. With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
the magnetic field around the adjacent pairs of wire
the use of braided wire to shield the adjacent wire pairs
the reflection of the electrical wave back from the far end of the cable
the collision caused by two nodes trying to use the media simultaneously
5. Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?
Presentation
Transport
Data Link
Physical
6. An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?
light injector
OTDR
TDR
multimeter
7. XYZ Company is installing new cable runs on their data network. What two types of cable would most commonly be used for new runs? (Choose two.)
coax
Cat4 UTP
Cat5 UTP
Cat6 UTP
STP
8. What is a possible effect of improperly applying a connector to a network cable?
Data will be forwarded to the wrong node.
Data transmitted through that cable may experience signal loss.
An improper signaling method will be implemented for data transmitted on that cable.
The encoding method for data sent on that cable will change to compensate for the improper connection.
9. What are three measures of data transfer? (Choose three.)
goodput
frequency
amplitude
throughput
crosstalk
bandwidth
10. 
Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?
coax cable
rollover cable
crossover cable
straight-through cable
11. In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?
coax
fiber
Cat5e UTP
Cat6 UTP
STP
12. Which fiber connector supports full duplex Ethernet?
13. Which method of signal transmission uses radio waves to carry signals?
electrical
optical
wireless
acoustic
14. Which characteristics describe fiber optic cable? (Choose two.)
It is not affected by EMI or RFI.
Each pair of cables is wrapped in metallic foil.
It combines the technique of cancellation, shielding and twisting to protect data.
It has a maximum speed of 100 Mbps.
It is the most expensive type of LAN cabling.
15. Which of the following is a characteristic of single-mode fiber-optic cable?
generally uses LEDs as the light source
relatively larger core with multiple light paths
less expensive than multimode
generally uses lasers as the light source
16. What is considered a benefit of wireless as a media choice?
more host mobility
lower security risks
reduced susceptibility to interference
less impact of the surroundings on the effective coverage area
17. What characteristic of UTP cable helps reduce the effects of interference?
the metal braiding in the shielding
the reflective cladding around core
the twisting of the wires in the cable
the insulating material in the outer jacket
18. What is a primary role of the Physical layer in transmitting data on the network?
create the signals that represent the bits in each frame on to the media
provide physical addressing to the devices
determine the path packets take through the network
control data access to the media
ccna 1 chapter 8 answers, ccna chapter 8 answers, Refer to the exhibit An ISP donates some decommissioned Cisco 2600 series routers to a local high school The high school plans to use these routers in their networking classrooms for students to practice Which type of cable is used to make an Ethernet con, CCNA 1 Chapter 8, cisco chapter 8 test answers, ccna 1 chapter 8 V4 0 answers, An installed fiber run can be checked for faults integrity and the performance of the media by using what device?, cisco chapter 8, ccna1 chapter 8 answers, Compared with UTP cable what extra characteristic of STP cable helps reduce the effects of interference?
THANKS.. 100%…
Very helpful… thanks a lot it will be a great help for everyone especially those who are having a hard time in understanding cisco cycle.
Thanks a bunch! I love being able to double check my answers this time of year! Keep up the good work!
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New question on the cisco exam…
When is a rollover cable used in a network?
– for connecting a host to a Fast Ethernet port on a switch
– for connecting a router to another router
– for connecting two routers through their AUX ports
– for connecting to a switch through its console port
for connecting to a switch through its console port
When is a rollover cable used in a network?
for connecting a host to a Fast Ethernet port on a switch
for connecting a router to another router
for connecting two routers through their AUX ports
* for connecting to a switch through its console port
New question
Refer to the exhibit. An ISP donates some decommissioned Cisco 2600 series routers to a local high school. The high school plans to use these routers in their networking classrooms for students to practice. Which type of cable is used to make an Ethernet connection between routers RTA and RTB?
coax cable
rollover cable
crossover cable
straight-through cable
crossover cable
New question
What is a purpose of the physical layer in data communication?
to wrap data packets into frames
to make sure that MAC addresses are unique in each frame
to control the access sequence of frames to the transmission media
to convert a frame into a series of signals to be transmitted on the local media
to convert a frame into….
ans.
*to convert a frame into a series of signals to be transmitted on the local media
I just took this assesment and Few of the questions have changed. Please update
A customer installs a wireless access point at home in the closet next to the kitchen. The customer mentions that the wireless communication performance seems degraded when the cordless phone or the microwave oven is in use. What is the possible reason for this degradation?
The access point is close to walls.
The cordless phone joins the WLAN and shares the available bandwidth.
The wireless signal is in the same radio frequency range as the household devices are in.
The access point is on the same electrical circuit as the phone base unit and microwave oven are.
The surge of electricity when a microwave oven is in use disrupts the operation of the access point.
The wireless signal is in the same radio frequency range as the household devices are in.
New question
which data communications standard provides broadband access in a wirekess network?
GSM
Wi-fi
wimax****
Bluetooth
answer wimax
new question
a customer installs a wireless access point at home in the closet next to the kitchen. the customer mentions that the wireless communication performance seems defraded when thecordless phone or the microwave oven is in use. what is the possible reason for this degradation?
the access point is close to walls
the cordless phone joins the WLAN and shares the available bandwith
the wireless signal is in the same radio frequencey range as the household devices are in****
the access point is on the electrical circuit as the phone vase unit and microwave oven are
the surge of electricity when a microwave aoven is in use distrupts the operation of the access point
Shame on you
*The wireless signal is in the same radio frequency range as the household devices are in.
new Question.
Compared with UTP cable, what extra characteristic of STP cable helps reduce the effects of interference?
the metal braiding in the shielding
the reflective cladding around the core
the twisting of the wires in the cable
the insulating material in the outer jacket
the metal braiding in the shielding***
According to the test the correct answer is:
the metal braiding in the shielding
zippi the correct answer is ***the twisting of the wires in the cable***
Correct Answer was “the metal braiding in the shielding”
They’re comparing UTP with STP. Metal braiding in the shielding IS the extra characteristic that STP uses to reduce the effect of interference. Zippi is correct.
Both UTP and STP are twisted cables. STP has shielding, so ***the metal braiding in the shielding*** is the right answer
Actually I just took this and got this wrong. It says the answer IS indeed the metal braiding in the shielding.
Waiyaki… ***the twisting of the wires in the cable*** IS NOT a correct answer.
Zippi is correct, STP stands for SHIELDED twisted pair, while UTP is UN-SHIELDED twisted pair, so the extra benefit of STP is fact, the shielding,considering both are “twisted pair” I have no idea where your train of thought is Waiyaki.
Wrong zippi is right. **the metal braiding in the shielding
Nop! **the metal braiding in the shielding** is correct!
No, the metal braiding in the shielding*** is the correct answer to Elb’s question.
Waiyaki the answer ***the twisting of the wires in the cable***
is NOT correct!!!
Maybe it is ***the metal braiding in the shielding***
Waiyaki the correct answer is ***the metal braiding in the shielding*** STP = shieled twisted pair!
zippi’s answer is correct
disregard that
zippi’s answer is correct:
****the metal braiding in the shielding
I just got done with the test. The correct answer is actually “the metal braiding in the shielding”. Waiyaki you fat bastard!!!! I thank you.
Zippi is correct, i just took the test
the metal braiding in the shielding
its correct with same radio frequency?
Which OSI layer is responsible for managing optical signals used for data communication?
presentation
data link
transport
physical
answers is physical
which of the following is a characteristic of single-mode fiber-optic cable?
generally uses lasers as the light source
Which data communications standard provides broadband access in a wireless network
a) GSM
b) Wi-Fi
c) WiMAX
d) Bluetooth
WiMAX
Very useful , thank you !! and good luck to everyone taking their exams !!
With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
the magnetic field around the adjacent pairs of wire
the use of braided wire to shield the adjacent wire pairs
the reflection of the electrical wave back from the far end of the cable
the collision caused by two nodes trying to use the media simultaneously
the magnetic field around the adjacent pairs of wire
A customer installs a wireless access point at home in the closet next to the kitchen. The customer mentions that the wireless communication performance seems degraded when the cordless phone or the microwave oven is in use. What is the possible reason for this degradation?