Network Components

Question 1

one type of standard is called DOCSIS, which stands for ?

Answer 1

“Data over cable service interface specifications”.

Question 2

DOCSIS- MODEM is a typical broadband _____ _____.

Answer 2

cable modem

Question 3

The DOCSIS modem handles both incoming and outgoing ____ _______. Including internet, video, and voice.

Answer 3

data signals

Question 4

The DOCSIS 3.1 specification supports speeds of __ gigabit downstream & __ Gigabit upstream.

Answer 4

10, 1

Question 5

A hub is a device that has multiple ports, that accepts Ethernet connections from _______ _______.

Answer 5

ports, network devices

Question 6

A hub is considered not to be ___________. Because it does not filter any ____, or has any intelligence as to where data is supposed to be sent.

Answer 6

intelligent, data

Question 7

When a data packet arrives at one of the ports, it is copied to all other ______, so all the devices on that hub sees that ____ ______.

Answer 7

ports, data, packet

Question 8

there are two different types of hubs:

Answer 8

Passive and Active

Question 9

what’s the difference between active and passive hubs?

Answer 9

The difference is a passive hub does not require power. But an active hub does require power.

Question 10

a switch is very similar to a ___.

Answer 10

hub

Question 11

Also a device that has multiple ports that accepts Ethernet connections from network devices.
But unlike a hub, a switch is ___________.

Answer 11

intelligent

Question 12

A switch can actually learn the _______ _________ that are connected to it. And it stores these addresses in a table. So when a data packet is sent to a switch, it directs it only to the intended destination port.

Answer 12

physical addresses

Question 13

switches are far more preferred over hubs, because they reduce any unnecessary _______ on the network.

Answer 13

traffic

Question 14

Regular switches operate at _____ __ of the OSI model.

Answer 14

layer 2

Question 15

there are other types of switches that operate at higher levels of the OSI model. and one of these is called a _____-_____ switch.

Answer 15

multi-layer

Question 16

there are other types of switches that operate at higher levels of the ___ _____.

Answer 16

OSI, Model

Question 17

A multilayer switch can operate at layer __ and __ of the OSI model. it’s able to interpret layer 3 data similar to a router.

Answer 17

2, 3

Question 18

Content switch can operate at layers __ through __ of the OSI model.

Answer 18

4, 7

Question 19

A multilayer switch can operate at layer 2 and __ of the OSI model. it’s able to interpret _____ __ data similar to a router.

Answer 19

3, layer 3

Question 20

A content switch can perform ____ _________, and advanced filtering and these switches are also very _________.

Answer 20

load balancing, expensive

Question 21

Networking devices need electrical power to function, and that’s why they have a separate electrical port for a power plug. But some networking devices don’t have an electrical port. It’s not that they don’t need electrical power, it’s just that they get their power and data from the same cable. Which is through the ________ cable.
And this technology is known as ___.

Answer 21

ethernet, PoE

Question 22

The spanning tree protocol allows for _____ tolerance and prevents unnecessary ______ loops in the network.

Answer 22

fault, traffic

Question 23

the spanning tree allows the ________ to talk to each other to find if loops are happening in the _______.

Answer 23

switches, network

Question 24

Bridges are used to ______ a network into separate collision _________.

Answer 24

divide, domains

Question 25

The bridge only allows data to cross over, if it meets the required ___ _______ of the destination.

Answer 25

MAC, address

Question 26

Because a bridge keeps a record of all the MAC addresses of the NICs that are connected to it. And it will also block all data from crossing over, If it fails to meet this requirement

Answer 26

MAC Address of the destination

Question 27

A router is a device that ______ or forwards ____ from one network to another.

Answer 27

routes, data

Question 28

Routes data packets based on their __ _________.

Answer 28

IP addresses

Question 29

In a router, When a data packet is received from the router, the router inspects the ______ and determines if the packet was meant for its own network, or if it’s meant for another _______.

Answer 29

packet, network

Question 30

If the router determines that the data packet is meant for its own network, it receives it. But if it’s not meant for it’s own network, it sends it off to _______ _______.

Answer 30

another, network

Question 31

A router is essentially the _______ for a network.

Answer 31

gateway

Question 32

Gateway: a device that joins __ ________ together.

Answer 32

2, networks

Question 33

a gateway interconnect networks with different or incompatible ____________ _________.

Answer 33

communication, protocols

Question 34

A gateway does not change the data, it only changes the _______ of the ____.

Answer 34

format, data

Question 35

CSU/DSU is about the size of a _____.

Answer 35

modem

Question 36

CSU/DSU: converts data from a _____ area network to a ____ area network. This has to happen because the data formats between a LAN and a WAN are _________.

Answer 36

local, wide, different

Question 37

NICs are used to connect a computer to a _______.

Answer 37

network

Question 38

NIC is Basically a circuit board with a _______ _______ that is installed on your computer.

Answer 38

network, adapter

Question 39

NIC's job is to convert incoming serial data into ________ data. So that the computer can __________ it.

Answer 39

parallel, understand

Question 40

NICs provide a constant dedicated connection to a _______.

Answer 40

network

Question 41

Every NIC has its own unique identifier, called a ___ ________.

Answer 41

MAC Address

Question 42

Transceiver: a device that has both a transmitter and a ________ in the same package.

Answer 42

receiver

Question 43

The term "Transceivers" applies to ________ _____________ devices like cell phones and two-way radios.

Answer 43

wireless, communication

Question 44

Transceiver is Basically a term used for any device that receives ____, converts it, then transits the data to another _________.

Answer 44

data, location

Question 45

Wireless access point is basically a ________ hub, that is used by wireless _______.

Answer 45

wireless, devices

Question 46

WAP connects to a _____ network and relays data between the wired network and the ________ device for communication purposes.

Answer 46

wired, wireless,

Question 47

modem: device that allows a computer to transmit ____ over normal _________ _____.

Answer 47

data, telephone, lines

Question 48

The data coming in from a telephone lines is ______. However, the data in a computer is all ______, so when the analog data comes in from the telephone lines, the modem’s job is to convert it into a digital ____, so the computer can understand it.

Answer 48

analog, digital, form

Question 49

Basically a modem converts analog data into ______ ____.

Answer 49

digital data

Question 50

The maximum speed of most modems today is __ _____.

Answer 50

56 kbps