Question
On your newly installed router, you apply the access list illustrated below to
interface Ethernet 0 on a Cisco router. The interface is connected to the
192.168.1.8/29 LAN.
access-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 20 any
access-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 21 any
How will the above access lists affect traffic?


A. All traffic will be allowed to exit E0 except FTP traffic.


B. FTP traffic from 192.168.166.19 to any host will be denied.


C. FTP traffic from 192.168.166.22 to any host will be denied.


D. All traffic exiting E0 will be denied.


E. All FTP traffic to network 192.168.166.18/29 from any host will be denied.
Answers
D
Explanation:
By default every access list contains an implicit deny statement at the end. Because of this, only an access list that contains at least one permit statement will be useful. In this example there is no permit statement, so it will deny all traffic exiting E0 Interface.
Incorrect Answers:


A. It will deny everything, including FTP and telnet traffic.
B, C, E. It will deny all traffic in addition to the condition mentioned in these answers,
because there is no permit statement at the end.   Your Comment




  • Contributors: *,


Search
Can you Answer!!
  • Q Explain what are routers?
  • Q What is display object?
  • Q Give five parts inside the centrifugal pump and explain each?
  • Q Why we use this RSRP0001 Enhancement?
  • Q Is it permissible to undertake printing work, which contains the design of an idol as part of its trademark?
  • Q TRUE or FALSE: When you submit something to legal marcom, you must submit the ad, the submission form, and support for all claims in ad. (A)TRUE (B)FALSE
  • Q How do you refer to individual elements in an array?
  • Q What is a bicycle called with seats and pedals for two riders, one behind the other?
  • Q Cathode rays are–
  • Q In which process fluid expands but does not work ?
  • Q Do you have any actual work experience?