Udemy Course Bronze

Question 1

What is bare-metal server?

Answer 1

a physical server without an OS

Question 2

What is a hypervisor?

Answer 2

a host or virtual server installed on a physical server

Question 3

What is a virtual machine?

Answer 3

A guest or instance that runs on the installed hypervisor

Question 4

What is a virtual desktop?

Answer 4

A desktop that you can access from any laptop

Question 5

What is P2V?

Answer 5

physical to virtual

Question 6

What is V2V?

Answer 6

virtual to virtual

Question 7

What is VM template?

Answer 7

a template that other VM machines can use to instantiate

Question 8

What is the difference between cloud and virtualization?

Answer 8

the cloud is a remote location that utilizes virtualization to bring services to customers

Question 9

What is VMware?

Answer 9

the leader in virtualization technolog

Question 10

What does LAN stand for?

Answer 10

Local area network

Question 11

What is a MAC address?

Answer 11

Media Access Control Address is a unique layer 2 address given to every network interface on an Ethernet network

Question 12

What is a NIC?

Answer 12

Network Interface Card

Question 13

Which command can be used to show the MAC address and other pertinent network information for Mac and Linux computers?

Answer 13

ifconfig

Question 14

True or False: A switch is a broadcast domain

Answer 14

True

Question 15

What is a unicast?

Answer 15

a one to one communication

Question 16

Do hubs has MAC tables?

Answer 16

No

Question 17

What is a layer 2 segment?

Answer 17

a broadcast domain

Question 18

Does an IP address interact with a NIC?

Answer 18

No

Question 19

Are IP addresses unique within a network?

Answer 19

Yes

Question 20

What is an ARP request?

Answer 20

A broadcast to discover the MAC associated with an IP address

Question 21

What do BUM traffic have in common?

Answer 21

It is sent out to multiple computers

Question 22

What layer is an IP address?

Answer 22

Layer 3

Question 23

What is an unknown unicast?

Answer 23

When a switch is unsure of what the destination MAC is for a unicast, it sends out a broadcast to find out

Question 24

What makes up BUM traffic?

Answer 24

broadcast, unknown unicast, multicast

Question 25

What is a multicast?

Answer 25

When a single source sends a multicast in order to reach a group of specified recipients

Question 26

True or False: An ARP request is an attempt to learn the MAC table of the switch

Answer 26

False, not learning the switch, learning the IP address

Question 27

What is a layer 2 bridge?

Answer 27

A thing with MAC addresses that connects two hubs that helps reduce collisions

Question 27

What is a router?

Answer 27

A device that splits up switches to create different broadcast domains

Question 27

True or False: A hub is a collision domain

Answer 27

True

Question 27

What is a switch?

Answer 27

A thing that takes in all communications between computers and directs them to their desires destinations. This prevents collisions domains

Question 28

Does each router interface have a unique IP address?

Answer 28

Yes

Question 29

What is 10.1.1.0 /24 is an example of?

Answer 29

network address

Question 30

What is the highest possible address in a network range?

Answer 30

broadcast address

Question 31

What is a VLAN?

Answer 31

A virtual local area network

Question 32

True or False: Each VLAN is a broadcast domain and has its own MAC Table?

Answer 32

true

Question 33

What is WAN?

Answer 33

A wide area network connects local area networks that are geographically far apart

Question 34

What is an edge router?

Answer 34

A router that sets at the edge of a network to connect it to the internet or a WAN

Question 35

What is an IPSEC VPN?

Answer 35

A device that securely connects one network to another through the internet

Question 36

True or False: A layer 2 vpn is unable to have systems with the same IP address scheme at both sides of a VPN

Answer 36

False

Question 37

What is DHCP?

Answer 37

Dynamic Host Control Protocol is a way to automatically assign IP addresses to computers

Question 38

When a machine requests a dynamic IP by issuing a DHCP what is the result?

Answer 38

A layer 2 ethernet broadcast is sent

Question 39

What is DNS?

Answer 39

Domain Name System is a human friendly way to read IP addresses

Question 40

What is a NAT?

Answer 40

A network address translation subsitutes a private IP for an internet routable public IP