backbone cable
2. In most business LANs, which connector is used with
twisted-pair networking cable?
RJ-45
3. When is a straight-through cable used in a network?
when connecting a host to a switch
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
5. Which OSI layer is responsible for binary transmission,
cable specification, and physical aspects of network communication?
Physical
6. An installed fiber run can be checked for faults,
integrity, and the performance of the media by using what device?
OTDR
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.)
Cat5 UTP
Cat6 UTP
8. What is a possible effect of improperly applying a
connector to a network cable?
Data transmitted through that cable may experience signal
loss.
9. What are three measures of data transfer? (Choose three.)
goodput
throughput
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?
crossover cable
11. In LAN installations where potential electrical hazards
or electromagnetic interference may be present, what type of media is
recommended for backbone cabling?
fiber
12. Which fiber connector supports full duplex Ethernet?
Ans picture 4
13. Which method of signal transmission uses radio waves to
carry signals?
wireless
14. Which characteristics describe fiber optic cable?
(Choose two.)
It is not affected by EMI or RFI.
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 lasers as the light source
16. What is considered a benefit of wireless as a media
choice?
more host mobility
17. What characteristic of UTP cable helps reduce the
effects of interference?
the twisting of the wires in the cable
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
CCNA 1 Chapter 8 Answers |
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