Network Concepts

Question 1

Peer-to-peer

Answer 1

Each host acts as a client and server in a decentralized model where provision, management, and security of services and data are distributed around the network.

Question 2

Client-server

Answer 2

Nodes (PCs, laptops, smartphones) act mostly as clients and servers are more powerful computers. Applications and resources are centrally provisioned, managed, and secured.

Question 3

Applications

Answer 3

The nodes and links of networking infrastructure are deployed to run services. Services are shared applications that allow the network to do useful work, such as sharing files or sending email.

Question 4

Small and medium-sized (SME) enterprise network

Answer 4

A network supporting dozens of users. Such networks would use structured cabling and multiple switches and routers to provide connectivity.

Question 5

Enterprise LAN

Answer 5

A larger network with hundreds or thousands of servers and clients. Such networks would require multiple enterprise-class switch and router appliances to maintain performance levels.

Question 6

CRC

Answer 6

Cycle redundancy check

Question 7

A MAC address has two pieces

Answer 7

OEM (original equipment manufacturer) and OUI (organizationally unique identifier)

Question 8

MAC Address

Answer 8

48-bit identifier

Question 9

How many bytes can a frame hold?

Answer 9

1500

Question 10

FCS

Answer 10

Frame check sequence

Question 11

Point to Point

Answer 11

Network configuration where two devices are connected directly to each other with nothing in between.