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What kind of threat is described when a threat actor overloads a network to deny other users network access?​ ​ (a)  

• Disruption of service
• Data loss
• Manipulation
• Identity theft
• Information theft

Place the terms under the correct category heading

Groups:

(a) Worms

,

(b) Viruses

,

(c) Phishing

• Frequently used as umbrella term for many forms of malicious software

• software that masquerades as harmless

  application but includes malware

• Usually uses fake email and / or website

• Code that attaches itself to host,

  replicates and at some stage executes payload

• At some stage deliver payload (often malicious code)

• Exploit network-based vulnerabilities to spread

• Attempt to trick victim into providing sensitive information

• able to exist and spread without host

SQL ​ (a)   attacks involve inserting anomalous text into web page input fields to alter ​ (b)   executed in the Database backend. Often used to circumvent authentication or access database records.

• injection
• SQL queries
• Replacement
• insertion
• SQL commands

Three primary principles and goals used in security are ​ (a)   , ​ ​ (b)   and ​ (c)  

• Confidentiality
• Integrity
• Availability
• Sensitive
• Honesty
• accessibility

Which device controls traffic between two or more networks to help prevent unauthorized access?

• Firewall

• AAA Server

• ESA/WSA

• IPS

What type of attack may involve the use of tools such as nslookup and fping?

• access attacks

• worm attack

• denial of service attack

• reconnaissance attack

Which benefit does SSH offer over Telnet for remotely managing a router?

• encryption

• TCP usage

• authorization

• connections via multiple VTY lines