IDC Flashcards

(35 cards)

1
Q

What do you call a device on a network that only provides network resources and does not call for resources?

A

Server

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2
Q

If your network consists of all connected devices connecting to one central device, such as a switch, what type of topology is being used?

A

Star

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3
Q

What do you call a device on a network that only asks for information but never is required to deliver information?

A

Client

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4
Q

The topology that most likely will use the least amount of cable is the ____________ topology

A

Bus

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5
Q

A network switch will most likely be used on a _______________ topology

A

Star

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6
Q

The topology that requires proper end of line resistors is the ____________ topology

A

Bus

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7
Q

The name given to the mutual agreement and how data is to be encoded, that is, the receiver must be able to understand what the transmitter sending is called

A

protocol

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8
Q

Which name is given to a device on a network that provides both network resources and acquires resources from other device on the network?

A

A Peer

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9
Q

You take a large number of computer addresses and split them up into smaller groups. What are you doing?

A

Subnetting

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10
Q

Define the acronym NIC

A

Network Interface Card

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11
Q

Ethernet ____________ have made it possible for several users to send information over the same network at the same time without slowing each other down

A

Switches

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12
Q

Which device do you find on a network that can translate from one protocol to another?

A

Gateway

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13
Q

What device do you find on the local area network that determines whether the information is to be kept within the local area network or sent externally to another network?

A

Router

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14
Q

The topology that has no beginning connection and no end connection would most likely be the _____________ topology

A

Ring

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15
Q

Which protocol would be used within the internet /Network layer (3) of the TCP/IP model?

A

IPv4

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16
Q

How can you determine the manufacturer of a NIC card based on the MAC address?

A

The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer

17
Q

Which layer of the TCP/IP model is responsible for error-free, end-to-end delivery of data from the source host to the destination host?

A

Transport layer - Layer 4

18
Q

Which protocol would be used within the application layer (7) of the TCP/IP model?

19
Q

The NIC operates at which layer of the OSI model?

A

Layer 1 - Physical

20
Q

In which layer of the TCP/IP model do the IP addresses and routing reside

A

Internet/ Network layer - Layer 3

21
Q

The TCP and UDP protocols both exist at what layer of the OSI model?

A

Transport - Layer 4

22
Q

Network bandwidth is usually expressed in

A

Bits per second

23
Q

When it comes to communication cables, what does the term ‘attenuation’ refer to?

A

The ratio of signal strength at the transmitting and receiving ends of the cable

24
Q

Noise is appearing on this shielded communication cable.

What is the probable cause of this noise?

A

There are problems with the shield

25
A cross-connected input port indicates that
The transmit and receive pairs are crossed
26
What is an 8P8C connector?
Another term for an RJ-45 connector
27
To make a connection, recommended maximum untwisting for Category 5e cable is no more than
1/2 inch
28
How many bits are in an IPv4 address
32
29
Noise that can degrade or distort a signal on a network is measured with what unit?
Decibels
30
The NIC operates at which layer of the OSI model?
Layer 1 - (physical)
31
To attenuate a signal, is to:
Decrease its amplitude
32
It accounts for 96 percent of the loss in telecommunication system
Scattering
33
A type of loss caused by mechanical stress placed on the fiber strand
Microbending
34
the loss caused by the light mode breaking up and escaping into the cladding when the fiber bend becomes too tight
Marcobending
35
As light travels from one material to another, the change in velocity results in the light changing its direction of travel,
Refraction