Ch.1 Introduction 2 networks

Question 1

What is a network?

Answer 1

two or more connected computers that can share resources such as data and applications, office machines, an internet connection, or a combination of these.

Question 2

What is a LAN?

Answer 2

local area network. usually restricted to spanning a particular geographic location such as an office building, a single department with a corp office or home office

Question 3

term used when splitting a big LAN into smaller logical zones.

Answer 3

work groups

Question 4

List common dedicated servers

Answer 4

• File Server
• Mail Server
• Print Server
• Web Server
• Fax Server
• Application Server
• Telephony Server
• Proxy Server

Question 5

What Network type is a MAN

Answer 5

covers a metropolitan area. A concentrated WAN

Question 6

What network type is a WAN

Answer 6

Wide area network.Spans large geographic areas. Employs both routers and public links

Question 7

What network type is a PAN?

Answer 7

Personal area network. Typically using something like Bluetooth

Question 8

What network type is a CAN?

Answer 8

Campas area network, typically on college or corp. has interconnected LANs in various buildings.

Question 9

What network type is a SAN?

Answer 9

Storage area network. used exclusively by storage systems. interconnects servers to storage arrays. uses Fibre Channel and iSCSI protocols.

Question 10

What network type is an SDWAN?

Answer 10

a virtual WAN architecture that uses software to manage connectivity, devices and services.

Question 11

What is MPLS?

Answer 11

Multiprotocol Label Switching. is a switching mechanism that imposes labels to data and then uses those labels to forward data when it arrives at the MPLS network

Question 12

What is a huge advantage of MPLS?

Answer 12

It prioritizes data meaning you can make voice data a priority over basic data.

Question 13

What is mGRE?

Answer 13

Multipoint Generic Routing Encapsulation. protocol refers to a carrier or service provider offering that dynamically creates and terminates connection to nodes on a network.

Question 14

What is mGRE used in?

Answer 14

Dynamic multipoint VPN deployments

Question 15

What are the two main network types?

Answer 15

peer-to-peer and client-server

Question 16

Types of network topologies

Answer 16

Physical and logical

Question 17

List of common topologies

Answer 17

• Bus
• Star/hub and spoke
• Ring
• Mesh
• Point-to-point
• Point-to-Multipoint
• Hybrid

Question 18

Topology where everything is connnected to one cable

Answer 18

Bus

Question 19

Topology where everything connects to one central point

Answer 19

Star

Question 20

Topology where each computer is directly connected to the other computers in a big circle.

Answer 20

Ring

Question 21

ISP ring topology technology

Answer 21

SONET

Question 22

Topology where there is a path from every machine to every other machine in the network

Answer 22

mesh

Question 23

The process of taking networking functions such as routers, switches, firewalls, load balancers, and controllers and virtualizing them. This process allows all of these functions to run on a single device.

Answer 23

Network function virtualization NVF

Question 24

Layers of the three-tier model

Answer 24

• Core layer
• Distribution layer
• Access layer

Question 25

Layers in the collapsed core model

Answer 25

- Core & distribution layer - Access layer

Question 26

Layer that is considered the backbone of the network. Youll find connectivity with WAN lines. designed for high availability and only provides routing/switching for the entire Network

Answer 26

Core Layer

Question 27

Layer where the control plane is located and is where packet filtering, security policies, routing between VLANs and defining broadcast domains are performed

Answer 27

Distribution layer

Question 28

edge switching layer, where support begins for QoS, PoE, and security

Answer 28

Access Layer

Question 29

extremely fast network switching used almost exclusively in data center network architecture

Answer 29

Spine and Leaf

Question 30

Backbone that is used only to connect leaf swtiches

Answer 30

spline

Question 31

Flow of traffic entering and leaving your internal network.

Answer 31

North-South

Question 32

Traffic flow enters through a firewall and routers

Answer 32

Southbound

Question 33

Traffic flow that is routed fron internal network to the internet

Answer 33

Northbound

Question 34

Lateral traffic flow between server farms and data centers

Answer 34

East-West

Question 35

A ___ is a network typically found in your home or workplace

Answer 35

LAN

Question 36

A ___ connection connects your home or workplace to the internet

Answer 36

WAN

Question 37

A ___ topology is also known as a hub-and-spoke

Answer 37

STAR

Question 38

The term ___ is used to describe the service related entry point for a provider

Answer 38

Demarcation point or demarc

Question 39

The ____ ____ model is used to condense the core and distribution layers

Answer 39

collapsed core model

Question 40

A ___ is a virtualized piece of hardware that connects the virtual machine OS to the network

Answer 40

vNIC

Question 41

Fibre Channel is typically found in ___

Answer 41

SAN

Question 42

The term used to reference the smallest piece of the network is

Answer 42

A Network Segment

Question 43

The ___ technology uses labels to switch traffic

Answer 43

Multiprotocol label switching MPLS

Question 44

The ___ ____ architecture is found in data centers to provide low-latency connectivity to servers

Answer 44

Spine Leaf

Question 45

Which network type is locally owned and managed by an organization and used to connect the organizations LAN together?

Answer 45

CAN

Question 46

Which network topology design has a centralized switch connecting all devices?

Answer 46

STAR topology

Question 47

Which protocol can be typically found inside a PAN

Answer 47

Bluetooth

Question 48

When computers are logically grouped on a LAN based upon a functional department in the organization, what is the group called?

Answer 48

Workgroup

Question 49

What is the primary benefit using a star topology?

Answer 49

Easy to troubleshoot

Question 50

What type of logical connection does MPLS create to connect networks together

Answer 50

Circuit

Question 51

type of network used exclusively for storage traffic

Answer 51

SAN

Question 52

type of traffic flow routed from internal network to internet

Answer 52

North-South

Answer 53

D

Answer 54

B

Answer 55

A

Answer 56

B

Answer 57

D

Answer 58

B

Answer 59

A

Answer 60

B

Answer 61

D

Answer 62

A

Answer 63

A

Answer 64

A