1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zimovet [89]
3 years ago
11

The security administrator of ABC needs to permit Internet traffic in the host 10.0.0.2 and UDP traffic in the host 10.0.0.3. Al

so he needs to permit all FTP traffic to the rest of the network and deny all other traffic. After he applied his ACL configuration in the router nobody can access to the ftp and the permitted hosts cannot access to the Internet. According to the next configuration what is happening in the network? access-list 102 deny tcp any any access-list 104 permit udp host 10.0.0.3 any access-list 110 permit tcp host 10.0.0.2 eq www any access-list 108 permit tcp any eq ftp any
A. The ACL 110 needs to be changed to port 80
B. The ACL for FTP must be before the ACL 110
C. The first ACL is denying all TCP traffic and the other ACLs are being ignored by the router D. The ACL 104 needs to be first because is UDP
Computers and Technology
1 answer:
koban [17]3 years ago
5 0

Answer:

The correct selection is the letter C. The first ACL is denying all TCP traffic and the other ACLs are being ignored by the router.

Explanation:

In this case, the letter C is the right answer because with the first ACL exactly:

access-list 102 deny tcp any any

We are denying all traffic with the next line deny tcp any any, in this case, the others line are being ignored.

access-list 104 permit udp host 10.0.0.3 any

access-list 110 permit tcp host 10.0.0.2 eq www any

access-list 108 permit tcp any eq ftp any

For that nobody can access to the internet, the security administrator of ABC must change the first ACL.

You might be interested in
Which type of computer serves as the heart of the computing systems for many, perhaps most, major corporations and government ag
Nezavi [6.7K]

Answer:

Mainframes

Explanation:

Mainframes are utilized by many major corporations and government agencies. They are also used in banking, accounting, and healthcare to name a few.

4 0
3 years ago
What does "CPU" stand for?
MrMuchimi
Central processing unit
7 0
3 years ago
Read 2 more answers
Computer _____ begins with regular maintenance of the computer system such as firewalls, antivirus programs, defragmentation, de
Dima020 [189]
Computer checkup/maintenance. You forgot to mention windows updates, it is critical to perform that action as well cause of the recent ransomeware malware that is going around lately and Microsoft and other OS vendors yes even Apple have released patches to prevent it spreading even further. 
4 0
3 years ago
More registers appear to be a good thing, in terms of reducing the total number of memory accesses a program might require. Give
gulaghasi [49]

Answer:

Following is given the answer step by step:

Explanation:

First of all we will write a program using MARIE that will support the statement: Sum = (A + B) - (C + D). All the necessary comments are given in front of each statement:

Load    A                   # variable A will be loaded

Add     B                  # B will be added to A

Store   Temp1         # A + B will be stored in Temp1

Load    C                  # C will be loaded in memory

Add     D                 # D will be added to C

Store   Temp2         # C + D will ge stored in Temp2

Load    Temp1         # Temp1 will be loaded in the memory

Subt     Temp2         # Temp2(A + B) get subtracted from Temp1(A - B)

Store    Sum             # (A + B) - (C + D) will get stored in Sum.

We can see from above program that memory is accessed 9 times. While if C + D get executed first than memory accesses will be reduced to 7.

Above same program could be written using an architecture of 4 registers:

  • R1
  • R2
  • R3
  • R4

The program is as follows:

Load   R1 , A     #A  will be loaded into R1

Load   R2 , B    # B will be loaded into R2

Add     R1 , R2    # R2 gets added to R1 and the result is stored in R1 (A + B)

Load   R3 , C      # C loaded into R3

Load   R4 , D     # D loaded into R4

Add    R3 , R4   # Value in R4 gets added into R3 and R3 becomes (C + D)

                          #no memory accesses required for this operation

Subt   R1 , R4     #R4 (C + D) gets subtracted from R1 (A + B)

                         #no memory accesses required for this operation

Store  Sum        # The recent value will be stored into Sum

Here memory is accessed 5 times in total.

<h2>I hope it will help you!</h2>
8 0
3 years ago
Write a program whose input is two integers. Output the first integer and subsequent increments of 5 as long as the value is les
adell [148]

Answer:

Following are the code to the given question:

For code 1:

start = int(input())#defining a start variable that takes input from the user end

end = int(input())#defining a end variable that takes input from the user end

if start > end:#use if that checks start value greater than end value

   print("Second integer can't be less than the first.")#print message

else:#defining else block

   while start <= end:#defining a while loop that checks start value less than equal to end value

       print(start, end=' ')#print input value

       start += 5#incrementing the start value by 5

   print()#use print for space

For code 2:

while True:#defining a while loop that runs when its true

   data = input()#defining a data variable that inputs values

   if data == 'Done' or data == 'done' or data == 'd':#defining if block that checks data value

       break#use break keyword

   rev = ''#defining a string variable rev

   for ch in data:#defining a for loop that adds value in string variable  

       rev = ch + rev#adding value in rev variable

   print(rev)#print rev value

Explanation:

In the first code two-variable "first and end" is declared that takes input from the user end. After inputting the value if a block is used that checks start value greater than end value and use the print method that prints message.

In the else block a while loop is declared that checks start value less than equal to end value and inside the loop it prints input value and increments the start value by 5.

In the second code, a while loop runs when it's true and defines a data variable that inputs values. In the if block is used that checks data value and use break keyword.

In the next step, "rev" as a string variable is declared that uses the for loop that adds value in its variable and prints its values.

3 0
3 years ago
Other questions:
  • Which of the following should you always wear to avoid being thrown from a vehicle and then crushed if it tips over?
    12·2 answers
  • Compare GBN, SR, and TCP (no delayed ACK). Assume that the timeout values for all three protocols are sufficiently long such tha
    11·1 answer
  • Scenario
    7·1 answer
  • a term to describe article that can be displayed in their entirety as opposed to abstract and reference only?​
    10·1 answer
  • ¡Hola! He visto en muchos comentarios de Twitter "svd" cuando alguien dice "dale fav a este Tweet y siganse entre ustedes" y en
    8·1 answer
  • Which of the following lines of code correctly defines a function called combine? OA define "combine(a, b, c)" as: B. define(com
    9·1 answer
  • Please help i only have 20 minuets
    5·1 answer
  • In two to three sentences, define "home row" and explain why it is important.
    6·2 answers
  • There are two kinds of emotions: positive and negative. True False
    10·2 answers
  • Write a FOR loop that displays the following numbers exactly like this (you must use a loop):
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!