Cybersecurity Chapter 1&2

What is a Threat?

• Something bad that COULD happen

• A weakness in a system that could be exploited

• A vulnerability that is exploited and system is compromised

• Actions taken by a malicious intruder

What is not under CIA

• Integrity

• Authenticity

• Confidentiality

• Availability

What is the Kerckoff's Principle

• Hide Algorithm, Make Key known publicly

• Hide key and algorithm

• Hide key, make algorithm known publicly

• Make algorithm and key known publicly

How to identify whether host is present on the network?

• Traceroute

• Ping

• IPconfig

• IFconfig

Traceroute calculates and displays the amount of time for each hop. True or False?

• True

• False

What are key router functions?

• Error Detection in IP Packet

• Send the packets from incoming to outgoing link

• Runs routing protocol

• Changes the data in the IP Packet

RAM is ____ shared by programs in the computer

• Physically

• Virtually

Attacking is easier than defending, True or False

• True

• False

What are the goals of security from defense perspective?

• Prevention

• Detection

• Resilient

• Response

Sender still has physical control of communication data once they leave the platform, True or False

• True

• False