Computer Science

TCO G) Define the features of the following wireless network types. BSS ESS IBSS (Points : 25) which

 

Question 2. 2. (TCOs F and H) Compare the important attributes and relative security offered by the IPSec VPN AES and DES encryption algorithms. (Points : 25)

 

Question 3. 3. (TCO B) Study the configuration shown below. Analyze when the timed ACL will become active, how long it will remain active, and what kind of traffic will be allowed. access-list 101 permit tcp any any eq telnet access-list 101 permit tcp any any eq ftp access-list 101 permit tcp any any eq www time-range WEEKDAYS ! time-range WEEKDAYS periodic Monday Tuesday Wednesday Thursday Friday 10:00 to 15:00 time-range WEEKEND periodic Saturday Sunday 6:00 to 12:00 time-range ONETIME absolute start 02:00 22 December 2011 end 05:00 22 December 2011 (Points : 25)

 

Question 4. 4. (TCOs C and H) (a) Describe what the network access server (NAS) would do when receiving a REJECT message when there are two authentication servers consisting of TACACS+ and RADIUS. Both servers are contained in the method authentication list. (b) Describe what the network access server (NAS) would do when receiving an ACCEPT message when there are two authentication servers consisting of TACACS+ and RADIUS. Both servers are contained in the method authentication list. (c) Describe what the authentication server (security server) process would be when receiving an ERROR message when there are four authentication servers consisting of two TACACS+ servers and two RADIUS servers. The four security servers are contained in the method authentication list. (Points : 25)

 

Question 5. 5. (TCOs D and H) Describe the similarities and differences between host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS). (Points : 25)

 

Question 6. 6. (TCO E) Describe the environment requiring a DMZ; describe the vulnerabilities that exist with a network that lacks a DMZ. (Points : 25)

 

Question 7. 7. (TCO E) Enter 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. (Points : 25)

 

Question 8. 8. (TCO A) Answer the following questions. (a) How does a man-in-the-middle attack objective differ from a distributed denial-of-service (DDoS) attack objective? (b) What are the similarities? (c) How are each of the attacks mitigated? (Points : 21)

2

0

622715269

Essay

7

0

622715270

Essay

9

0

622715271

Essay

16

0

0

622715272

Essay

17

0

622715273

Essay

23

0

622715268

622715275

Essay

25

Essay

Order now and get 10% discount on all orders above $50 now!!The professional are ready and willing handle your assignment.

ORDER NOW »»