What is a dictionary attack (brute force attack)?

Answer: Repeatedly generating passwords to attempt to guess a password

What command turns off DNS?

Answer: no ip domain-lookup

What command explicitly sets the name server addresses?

Answer: ip name-server addresses

What are the 2 main vulnerabilities of DNS?

Answer: (1) Offers no authentication or integrity assurance (2) By default, name queries are sent to the broadcast address 255.255.255.255

What is the vulnerability of NTP?

Answer: NTP leaves listening ports open and vulnerable

What is the vulnerability of SNMP?

Answer: Version 1 and Version 2 pass management information and community strings (passwords) in clear text

Between Disrupt of peers and falsification of routing information, which one is worse and why?

Answer: Disruption of peers is less critical because routing protocols eventually readjust themselves