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Networking Exam 1 > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

What is multiplexing?

A

A transmission form allowing signals to travel simultaneously over one network media

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2
Q

What is a NIC

A

The device that connects a computer to the network media

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3
Q

What is a switch

A

A central network connection point that retransmits incoming data from one node only to the device to which the data is addressed

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4
Q

What is the difference between base and and broadband

A

Baseband, digital signals that require exclusive use of wires capacity. Baseband can only transmit one signal at a time

Broadband, signals that use different frequency ranges, allowing more data to be transmitted than baseband.

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5
Q

What is the MAC address?

A

The address of the NIC

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6
Q

What is the demarc point?

A

The point where the signal is passed from the ISP equipment to the company’s equipment

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7
Q

Describe star typology.

A

A network with a central connectivity device such as a switch or wireless access point.

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8
Q

What is the DHCP?

A

An automated means of assigning unique IP address to every device on the network

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9
Q

Name one function from the presentation layer of the OSI model.

A

Translation services, coding, file compression, encryption decryption

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10
Q

When examining a TCP packet, what is the purpose of the port number?

A

To identify the protocol that must be used to process the packet

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11
Q

The strength of electrical current is measured in

A

Volts

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12
Q

Explain 3 differences between IPv4 and IPv6.

A

Many answers

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13
Q

List three characteristics of Ethernet cable

A

Many answers

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14
Q

What is DNS?

A

A hierarchical method of associating domain names with IP address. DNS servers are computers that contain databases of domain names and their associated IP address and provide this information upon request.

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15
Q

Explain the difference between analog and digital signals.

A

With analog signals, voltage varies continuously and appears as a wavy line when graphed over time. Digital signals are composed of pulses of precise, positive and zero voltages.

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16
Q

What is POE?

A

The ability to send electrical power to a device using Ethernet cable

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17
Q

Name one function of the application layer of the OSI Model.

A

Services facilitate communication between software and lower-layer network services. Helps software applications negotiate formatting, procedural security, syncing, and other requirements with network.

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18
Q

What is a punch down block?

A

The panel in the data closet that horizontal wiring is connected to

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19
Q

List three characteristics of fiber optics

A

Many answers

20
Q

With regards to IPv6 , what is the difference between a global address and a local link address?

A

Global can connect to devices outside of the organization, local link can only connect to devices within the organization.

21
Q

What is a network node?

A

Any device that is connected to the network.

22
Q

List three types of wired network media

A

Coaxial cable, twisted pair, fiber optic

23
Q

Describe a bus topology

A

A network with a central cable to which all devices are attached

24
Q

What is network typology

A

The physical layout of a computer network

25
Q

What is UDP?

A

User datagram protocol, is used for live audio and video transmissions because it is faster then TCP.

26
Q

Name one function of the network layer of the OSI model

A

Translate network address into physical counterparts and decide how to route data from sender to receiver

27
Q

With regards to an analog signal, what is frequency?

A

The number of cycles per second witch one cycle being the voltage of the signal goes from one amplitude, up to the highest amplitude, down to the lowest amp, and back to the original amp.

28
Q

What is the decimal equivalent of 1101

A

13

29
Q

What is the primary function of Address Resolution Protocol?

A

Obtains the MAC address of the host and creates a database that maps MAC address to the host IP address

30
Q

What is a wireless access point?

A

a device that accepts signals from wireless nodes and retransmits them to the rest of the network.

31
Q

What is network noise?

A

Anything that can interfere with a transmission signal

32
Q

What is a dual stacked network?

A

A network where all the devices are capable of sending and receiving packets using their IPv6 or IPv4 address

33
Q

What are the differences between a peer-to-peer network and a client/server. Network?

A

A client-server network has a server that contains and provides most of the network resources. In a peer-to-peer network each device contains its own resource.

34
Q

What is the hexadecimal equivalent of 1101?

A

D

35
Q

What is the purpose of a network converter

A

To convert one type of signal to another type, (Ethernet, SMF, MMF)

36
Q

What is throughput?

A

The amount of data, measured in bits, transmitted during a given time period.

37
Q

What is a protocol?

A

A standard method or format for communication between networked devices

38
Q

What is a LAN segment?

A

All the devices connected to a single switch or wireless access point

39
Q

Name three type of network services

A

Web, email, remote access, file, print, management

40
Q

What is attenuation?

A

The weakening of the signal as it travels farther away from the sending device

41
Q

When discussing networks, hat is the backbone?

A

The part of the network to which segments and significant shared devices, such as routers ands switches, connect.

42
Q

What is bandwidth?

A

The theoretical maximum speed of the network

43
Q

What is IPv6 multicast address?

A

An address where the packet is delivered to all needs associated with that specific IPv6 address

44
Q

What is the IP address?

A

A unique 32-bit number that is divided into four octets separated by periods

45
Q

What is a router

A

A device that connects separate network segments and directs data to its destination network using the quickest available route

46
Q

What is the OSI model?

A

A theoretical representation of what happens between two nodes communicating on a network

Networking Exam 1 (1 decks)

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