Nocti Final
Help study for the NOCTI Final. .
- 1.
The saftey ground for a computer is connected to?
- A.
Exposed metal parts
- B.
The mouse
- C.
The NIC
- D.
The monitor
Correct Answer
A. Exposed metal parts -
- 2.
"ground" normally has a voltage measure of?
- A.
120 VAC
- B.
9V
- C.
0V
- D.
12 VDC
Correct Answer
C. 0V -
- 3.
Which of the following best describes an insulator?
- A.
Low resistance
- B.
High resistance
- C.
No resistance
- D.
Water
Correct Answer
B. High resistance -
- 4.
Which of the following best describes a conductor
- A.
Glass
- B.
Rubber
- C.
Plastic
- D.
Copper
Correct Answer
D. Copper -
- 5.
The purpose of grounding computer equipment is to?
- A.
Prevent equipment from becoming energized with hazardous voltage
- B.
Provide a current path so that minor surges in power can be diverted
- C.
Avoid magnetizing the equipment
- D.
Safely bleed off excess voltage
Correct Answer
A. Prevent equipment from becoming energized with hazardous voltage -
- 6.
A____is the best device for eliminating electrical spikes
- A.
Capacitor
- B.
Resistor
- C.
Power strip
- D.
Surge suppressor
Correct Answer
D. Surge suppressor -
- 7.
Which of the following stores data?
- A.
Hard drive
- B.
Video card
- C.
NIC
- D.
Modem
Correct Answer
A. Hard drive -
- 8.
What kind of device is a CSU/DSU?
- A.
Modem
- B.
Hub
- C.
Router
- D.
Switch
Correct Answer
A. Modem -
- 9.
Which of the following statements about analog and digital signals is correct?
- A.
Analog signals are measured in bits per second, while digital signals are measured in bytes per second
- B.
The length of an analog signal is dependent on the amplitude of the signal
- C.
Analog signals are continuous waves whereas digital signals are discrete events in time
- D.
Digital signals are measured in decibels, but analog signals are measured in amplitude
Correct Answer
C. Analog signals are continuous waves whereas digital signals are discrete events in time -
- 10.
How many wires does a CAT-5 cable have?
- A.
2
- B.
4
- C.
6
- D.
8
Correct Answer
D. 8 -
- 11.
EMI can adversely affect what type of media?
- A.
Fiber optic
- B.
UTP
- C.
Infrared
- D.
RJ-45
Correct Answer
B. UTP -
- 12.
A small 8 pin connector used to connect cat5 cable to a wall mounted network port is called a/an
- A.
AUI
- B.
BNC
- C.
RJ-45
- D.
RJ-11
Correct Answer
C. RJ-45 -
- 13.
To attach an RJ-45 connector to the ends of cable, a network technician would use which of the following tools?
- A.
Crimping tool
- B.
Multimeter
- C.
Oscilloscope
- D.
Punch down tool
Correct Answer
A. Crimping tool -
- 14.
Which of the following types of media offers the greatest protection against the effects of lightning strikes?
- A.
Fiber optic
- B.
Coaxil
- C.
UTP
Correct Answer
A. Fiber optic -
- 15.
Horizontal cabling refers to connecting_____
- A.
Work stations to the bus
- B.
Wall ports to the wiring closet
- C.
Routers to the switches
Correct Answer
B. Wall ports to the wiring closet -
- 16.
The main cross-connect, connects the
- A.
POP to the MDF
- B.
MDF to the IDF
- C.
IDF to the POP
Correct Answer
A. POP to the MDF -
- 17.
The intermediate cross connect, connects the
- A.
POP to the MDF
- B.
MDF to the IDF
- C.
IDF to the wiring closet
Correct Answer
B. MDF to the IDF -
- 18.
Coaxial cables are connected to host computers using____type connecters
- A.
BNC
- B.
RJ-45
- C.
MAU
Correct Answer
A. BNC -
- 19.
IEEE 802.11 standards specify
- A.
Token ring
- B.
Wireless networks
- C.
FDDI
Correct Answer
B. Wireless networks -
- 20.
The MAC address of a network devoce is associated with what layer of the OSI model?
- A.
Physical
- B.
Data-link
- C.
Network
Correct Answer
B. Data-link -
- 21.
Which layer of the OSI model establishes, maintains, and manages connectivity between applications?
- A.
Transport
- B.
Session
- C.
Presentation
- D.
Application
Correct Answer
B. Session -
- 22.
What best describes the function of the presentation layer?
- A.
It handles error notification, network topology, and flow control
- B.
It provides data representation and code formatting
- C.
It provides network services to user applications
Correct Answer
B. It provides data representation and code formatting -
- 23.
Which layer of the OSI model transfers information from program to program to program?
- A.
Transport
- B.
Session
- C.
Application
Correct Answer
A. Transport -
- 24.
Which of the following series best describes the encapsulation process?
- A.
Packets, frames, bits, data, segments
- B.
Data, segments, packets, frames, bits
- C.
Bits, packets, data, segments, frames
Correct Answer
B. Data, segments, packets, frames, bits -
- 25.
When one computer sends data to another, the data is packaged. this process is called?
- A.
Encryption
- B.
Encoding
- C.
Encapsulation
Correct Answer
C. Encapsulation -
- 26.
An email message is sent from host A to host B on a LAN. before the message can be sent, the data must be encapsulated. more specifically when the data packet is constructed the packet is____________
- A.
Transmitted along the medium
- B.
Segmented into frames
- C.
Converted to binary format
Correct Answer
B. Segmented into frames -
- 27.
A switch combines the connectivity of a hub with traffic regulation of a bridge
- A.
True
- B.
False
Correct Answer
A. True -
- 28.
A router is considered a ________ layer device/
- A.
Network
- B.
Data-link
- C.
Physical
Correct Answer
A. Network -
- 29.
A router that has 8 ports will require a minimum of how many IP addresses?
- A.
4
- B.
6
- C.
9
- D.
8
Correct Answer
C. 9 -
- 30.
A ______ can reduce broadcast traffic
- A.
Router
- B.
Hub
- C.
Repeater
- D.
Connector
Correct Answer
A. Router -
- 31.
Which of the following is the correct name for a device that opperates at the data-link layer of the OSI model?
- A.
Bridge
- B.
Switch
- C.
Workstation
- D.
Hub
Correct Answer
B. Switch -
- 32.
Concerning bridges and their forwarding decisions, they operate at the_______
- A.
OSI layer 2 and use IP addresses to make decisions
- B.
OSI layer 2 and uses MAC addresses to make decisions
- C.
OSI layer 3 and uses MAC addresses to make decisions
Correct Answer
B. OSI layer 2 and uses MAC addresses to make decisions -
- 33.
What does IDF stand for?
- A.
Intermediate distribution facility
- B.
Internal distribution facility
- C.
Interim distribution facility
Correct Answer
A. Intermediate distribution facility -
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Current Version
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Mar 16, 2022Quiz Edited by
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Dec 03, 2010Quiz Created by
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