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NETW 450 Final Exam Answers http://homeworkbank.net/downloads/netw-450-final-exam-answers/

NETW 450 Final Exam Answers

Question 1. 1. (TCO 1) The component of network security that ensures that authorized users have access to data and network resources is _____. data integrity data confidentiality data and system availability data and user authentication

Question 2. 2. (TCO 1) The type of security control that makes use of firewalls is called _____. administrative physical technical clerical

Question 3. 3. (TCO 2) To configure a role-based CLI on a Cisco router, the first command to enter in privileged mode is _____. parser view view enable enable view config view super view

Question 4. 4. (TCO 2) The show running-config output can be modified using all of the following pipes except for _____. | begin


| end | include | exclude

Question 5. 5. (TCO 3) Which of the following is the default number of MAC addresses allowed when you execute the switchport port-security command on a switch port? Zero One Two Three

Question 6. 6. (TCO 3) Which switch feature causes a port to skip the listening and learning states, causing the port to enter the forwarding state very quickly? fastport portfast enablefast portforward

Question 7. 7. (TCO 4) With zone-based firewalls, which of the following is used to specify actions to be taken when traffic matches a criterion? Zones Class maps Policy maps Zone pairs

Question 8. 8. (TCO 4) Which type of access list uses rules placed on the interface where allowed traffic initiates and permits return traffic for TCP, UDP, SMTP, and other protocols? Established Lock and key Reflexive CBAC


Question 9. 9. (TCO 5) Which AAA server protocol offers support for ARAP and NETBEUI protocols as well as IP? CSACS RADIUS OpenACS TACACS+

Question 10. 10. (TCO 5) Which of the following is not considered a component of AAA? Authentication Authorization Accounting Administration

Question 11. 11. (TCO 6) The Cisco IOS command that will display all current IKE security associations (SAs) is _____. show crypto ipsec show crypto isakmp policy show crypto ipsec sa show crypto isakmp sa show crypto ike sa

Question 12. 12. (TCO 6) The Cisco IOS firewall crypto isakmp policy mode command that will set the isakmp security association lifetime is _____. lifetime {days} lifetime {seconds} set lifetime {days} set lifetime {seconds}

Question 13. 13. (TCO 7) Cisco routers implementing IPS can save IPS events in a Syslog server by executing which of the following commands? ip ips log {IP Address} ip ips notify syslog ip ips notify log


ip ips notify sdee

Question 14. 14. (TCO 7) Which of the following is not an action that can be performed by the IOS firewall IDS router when a packet or packet stream matches a signature? Drop the packet immediately. Send an alarm to the Cisco IOS designated Syslog server. Set the packet reset flag and forward the packet through. Block all future data from the source of the attack for a specified time.

Question 15. 15. (TCO 1) Explain how to mitigate a Smurf attack.

Question 16. 16. (TCO 2) Type the global configuration mode and line configuration mode commands that are required to secure the VTY lines 0 through 15 to use the local username admin with the encrypted password adminpass for remote Telnet or SSH log-ins to the Cisco router. Building configuration‌

Current configuration : 655 bytes ! version 12.2 router# Enter configuration commands, one per line. End with CNTL/Z. router(config)# router(config-line)# router(config-line)# router# %SYS-5-CONFIG_I: Configured from console by console router#

router con0 is now available

Press RETURN to get started.

User Access Verification


Password:

Question 17. 17. (TCO 3) What are at least two best practices that should be implemented for unused ports on a Layer 2 switch for switch security?

Question 18. 18. (TCO 4) Given the commands shown below and assuming F0/0 is the inside interface of the network, explain what this ACL does. access-list 100 permit tcp any any eq 80 time-range MWFtime-range MWFperiodic Monday Wednesday Friday 8:00 to 17:00time-rangeabsolute start 00:00 30 Sept 2014 end 01:00 30 Sept 2014int f0/0ip access-group 100 inCorrect Answer:

Question 19. 19. (TCO 5) Type two global configuration mode commands that enable AAA authentication and configure a default log-in method list. Use a TACACS+ server first, then a local username and password, and finally the enable password.

Question 20. 20. (TCO 6) Discuss the data encryption algorithms DES and 3DES. Discuss the key lengths, and rank the algorithms in order of best security.

Question 21. 21. (TCO 7) Explain the two benefits of Cisco IPS version 5.x signature format over the Cisco IPS version 4.x signature format.

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