A Quiz On CCNA Chapter 8
Welcome to chapter eight of our series on the Cisco Certified Network Associate (CCNA) model, which is built to give you the knowledge to understand key networking principles. Today we’ll be discussing the Open Systems Interconnection model, various types of cables and much more. How much can you tell us?
- 1.
Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?
- A.
Presentation
- B.
Transport
- C.
Data Link
- D.
Physical
Correct Answer
D. Physical -
- 2.
An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?
- A.
Light injector
- B.
OTDR
- C.
TDR
- D.
Multimeter
Correct Answer
B. OTDR -
- 3.
When is a straight-through cable used in a network?
- A.
When connecting a router through the console port
- B.
When connecting one switch to another switch
- C.
When connecting a host to a switch
- D.
When connecting a router to another router
Correct Answer
C. When connecting a host to a switch -
- 4.
Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?
- A.
Coax cable
- B.
Crossover cable
- C.
Straight-through cable
- D.
Rollover cable
Correct Answer
B. Crossover cable -
- 5.
Which method of signal transmission uses radio waves to carry signals?
- A.
Wireless
- B.
Electrical
- C.
Optical
- D.
Acoustic
Correct Answer
A. Wireless -
- 6.
In most business LANs, which connector is used with twisted-pair networking cable?
- A.
BNC
- B.
RJ-11
- C.
Type F
- D.
RJ-45
Correct Answer
D. RJ-45 -
- 7.
Which of the following is a characteristic of single-mode fiber-optic cable?
- A.
Generally uses LEDs as the light source
- B.
Relatively larger core with multiple light paths
- C.
Less expensive than multimode
- D.
Generally uses lasers as the light source
Correct Answer
D. Generally uses lasers as the light source -
- 8.
Which type of cable run is most often associated with fiber-optic cable?
- A.
Backbone cable
- B.
Horizontal cable
- C.
Patch cable
- D.
Work area cable
Correct Answer
A. Backbone cable -
- 9.
With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
- A.
The magnetic field around the adjacent pairs of wire
- B.
The use of braided wire to shield the adjacent wire pairs
- C.
The reflection of the electrical wave back from the far end of the cable
- D.
The collision caused by two nodes trying to use the media simultaneously
Correct Answer
A. The magnetic field around the adjacent pairs of wire -
- 10.
What is a primary role of the Physical layer in transmitting data on the network?
- A.
Create the signals that represent the bits in each frame on to the media
- B.
Provide physical addressing to the devices
- C.
Determine the path packets take through the network
- D.
Control data access to the media
Correct Answer
A. Create the signals that represent the bits in each frame on to the media -
- 11.
In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?
- A.
Coax
- B.
Fiber
- C.
Cat5e UTP
- D.
Cat6 UTP
- E.
STP
Correct Answer
B. Fiber -
- 12.
What is a possible effect of improperly applying a connector to a network cable?
- A.
Data will be forwarded to the wrong node.
- B.
Data transmitted through that cable may experience signal loss.
- C.
An improper signaling method will be implemented for data transmitted on that cable.
- D.
The encoding method for data sent on that cable will change to compensate for the improper connection.
Correct Answer
B. Data transmitted through that cable may experience signal loss. -
- 13.
What is considered a benefit of wireless as a media choice?
- A.
More host mobility
- B.
Lower security risks
- C.
Reduced susceptibility to interference
- D.
Less impact of the surroundings on the effective coverage area
Correct Answer
A. More host mobility -
- 14.
What characteristic of UTP cable helps reduce the effects of interference?
- A.
The metal braiding in the shielding
- B.
The reflective cladding around core
- C.
The twisting of the wires in the cable
- D.
The insulating material in the outer jacket
Correct Answer
C. The twisting of the wires in the cable -
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Mar 17, 2022Quiz Edited by
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Nov 07, 2011Quiz Created by
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