Networks can be arranged in different topologies. Encryption is used to ensure that messages can be sent securely over a network.
What is a node?
A type of network hub
Any device connected to a network
A type of network switch
What is meant by a network's topology?
The arrangement, or pattern, in which all nodes are connected
The model of network such as client-server or peer-to-peer
The transmission medium used, wired or wireless
Which of the following best describes a star network?
Each node is directly connected to every other node
Each node is directly connected to at least two other nodes
All nodes indirectly connect to each other through one or more switches
Which model of network usually uses a star network?
Wide area network (WAN)
Which of the following best describes a mesh network?
What is meant by encryption?
Disguising a message so that it cannot be understood by anyone but its intended recipient
Abbreviating data for simpler transmission and storage
Password protecting a file
What are the two types of key used in asymmetric encryption?
Public and private
Local and internet
Basic and enterprise
What is a protocol?
A set of rules governing communication across a network
A component of a packet
A unique serial number assigned to a Network Interface Card (NIC)
What is a MAC address?
A computer's address on the network
The address of a server on a network
A unique serial number assigned to a network interface controller (NIC)
What are the two components of a packet?
Protocol and payload
Header and payload
Header and protocol