1.2 Network Topologies

Question 1

Mesh network

Answer 1

Each host is physically connected with all other hosts on the network

Question 2

Star/hub-and-spoke network

Answer 2

Each host is physically connected with a central node such as a router, hub, or switch.

Question 3

Bus network

Answer 3

All devices connected to a common half-duplex link that terminates at both ends.

Question 4

Ring network

Answer 4

all nodes connect to two other nodes, meaning that the common link does not terminate and forms a ring.

Question 5

Hybrid network

Answer 5

combination of two or more topologies.

Question 6

Peer-to-peer network

Answer 6

Interconnected devices directly sharing resources with one another.

Question 7

Client-server network

Answer 7

Centralized servers providing resources to multiple clients.

Question 8

Local area network (LAN)

Answer 8

local network. Usually within the same building

Question 9

Metropolitan area network (MAN) –

Answer 9

network within a city. Usually used by government

Question 10

Wide area network (WAN) –

Answer 10

network that can span globe. Widely use by everyone

Question 11

Wireless local area network (WLAN) –

Answer 11

makes device wireless for local area network

Question 12

Personal area network (PAN) –

Answer 12

Bluetooth, NFC

Question 13

Campus area network (CAN) –

Answer 13

similar to a metropolitan area network, but used by college or large companies

Question 14

Storage area network (SAN) –

Answer 14

network that is full of data storage devices

Question 15

Software-defined wide area network (SDWAN) -

Answer 15

WAN built for Cloud base resources/software

Question 16

Multiprotocol label switching (MPLS)

Answer 16

Routes traffic based on Labels rather than network addresses

Question 17

Multipoint generic routing encapsulation (mGRE)

Answer 17

Dynamic mesh. protocol that can be used to enable one node to communicate with many nodes

Question 18

Demarcation point

Answer 18

Physical network boundary point between telecom company and a private network.

Question 19

Smartjack

Answer 19

Network demarcation terminals that provide diagnostic capabilities. Usually a Network interface unit(NUI)

Question 20

vSwitch

Answer 20

virtual switch.

Question 21

Virtual network interface card (vNIC)

Answer 21

allows device to communicate to outside devices/vSwitch. configured on the hypervisor

Question 22

Network function virtualization (NFV)

Answer 22

The replacement of physical network devices with virtual versions.

Question 23

Hypervisor

Answer 23

Software that creates and runs virtual machines.

Question 24

Satellite -

Answer 24

data over Satellite.

Question 25

Digital subscriber line (DSL) -

Answer 25

data over telephone lines.

Question 26

Cable -

Answer 26

Data over coax/cable TV infrastructure.

Question 27

Leased line -

Answer 27

A dedicated communication channel between two sites.

Question 28

Metro-optical -

Answer 28

MAN over fibre.