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anyanavicka [17]
2 years ago
12

Your secondary servers have not been able to contact your primary server to synchronize information. How long will the secondary

servers attempt to contact the primary server before it considers that zone is dead and stops responding to queries
Computers and Technology
1 answer:
Sergeeva-Olga [200]2 years ago
3 0

Answer:

The answer is "One week".

Explanation:

Following are the number represents of the given values:  

Serial number (se)  = 200302028

Refresh (ref) = 3600 \ second =  1 \ hour

Updated -retry (ret)=  3600 \ second =  1 \ hour

Expiry =  3600 \times 24 \times 7 =  604800 \ second \ = 1 \ week

Minimum TTL =  3600 \ min = 1 \ h

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PYTHON:Given the dictionary, d, find the largest key in the dictionary and associate the corresponding value with the variable v
lapo4ka [179]

di = {5: 3, 4: 1, 12: 2}

val_of_max = di[max(di)]

print(val_of_max)

I hope this helps!

4 0
2 years ago
write a pseudo code and flow chart that take a number as input and prints multiplication table up to 10
Troyanec [42]

PSEUDOCODE:

1. DECLARE number: INTEGER

2. DECLARE multiple: INTEGER

3. INPUT number  

4. FOR counter FROM 1 TO 10 DO

5.     multiple <-- number * counter

6.     PRINT number, " * ", counter, " = ", multiple

7. ENDFOR


<em>1. declaring a variable "number" as an Integer</em>

<em>2. declaring a variable "multiple" as an Integer</em>

<em>3. The user inputs the value of number</em>

<em>4. FOR loop where variable "counter" increments by 1 after every iteration</em>

<em>5. sets the value for variable "multiple" as the value of number * counter</em>

<em>6. prints out for example "3 * 1 = 3" and will continue till counter reaches 10</em>

<em>7. Ends the for loop</em>

FLOWCHART below

hope it helped

8 0
2 years ago
Which of the following shows a list of Big-Oh running times in order from slowest to fastest?
Rufina [12.5K]

Answer:

O(N!), O(2N), O(N2), O(N), O(logN)

Explanation:

N! grows faster than any exponential functions, leave alone polynomials and logarithm. so O( N! ) would be slowest.

2^N would be bigger than N². Any exponential functions are slower than polynomial. So O( 2^N ) is next slowest.

Rest of them should be easier.

N² is slower than N and N is slower than logN as you can check in a graphing calculator.

NOTE: It is just nitpick but big-Oh is not necessary about speed / running time ( many programmers treat it like that anyway ) but rather how the time taken for an algorithm increase as the size of the input increases. Subtle difference.

5 0
2 years ago
Read 2 more answers
Explain demand paging with a proper example
julia-pushkina [17]
<h2><em><u>Demand</u></em><em><u> </u></em><em><u>paging</u></em><em><u> </u></em><em><u>:</u></em></h2>

<h3><em>In computer operating systems, demand paging (as opposed to anticipatory paging) is a method of virtual memory management. In a system that uses demand paging, the operating system copies a disk page into physical memory only if an attempt is made to access it and that page is not already in memory (i.e., if a page fault occurs). It follows that a process begins execution with none of its pages in physical memory, and many page faults will occur until most of a process's working set of pages are located in physical memory. This is an example of a lazy loading technique.</em></h3>

<h3 />

6 0
3 years ago
A _____ is relatively inexpensive to install and is well-suited to workgroups and users who are not anchored to a specific desk
KengaRu [80]

Answer:

B) wireless local area network (WLAN)

Explanation:

WLAN which fully meaning is WIRELESS LOCAL AREA NETWORK is a network provider that enables two or more mobile phone user , desktop or computer user to connect and have access to the internet by simply connecting to the local area wireless network and this type of wireless network are more cheaper to install.

Example of where WIRELESS LOCAL AREA NETWORK can be found are : School building, Office building, School campus, home, among others.

4 0
2 years ago
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