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Misha Larkins [42]
3 years ago
11

Within the DNS system, a primary server (SOA) holds and maintains all records for the zone. Secondary servers will periodically

ask the primary if there have been any updates, and if updates have occurred, they will ask for a zone transfer to update their own copies. Under what conditions will the secondary name server request a zone transfer from a primary? Group of answer choices
Computers and Technology
1 answer:
Anni [7]3 years ago
4 0

Answer:

- When the primary SOA record serial number is higher than the secondary's

Explanation:

DNS(Domain Name System) is described as the distributed database that sometimes includes all the supporting hardware or software infrastructure. This system employs the internet to translate hostnames into IP addresses and provide other information related to domain.'

Under this system, the secondary name server would request the primary server to pass on a zone transfer 'in case the record serial number of the primary server zone is greater than the secondary.' <u>This will help in promoting forbearances against any kind of faults and also in establishing synchrony between the zone files</u>.

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The operating system (OS) of an information system contains the software that executes the critical functions of the information
Feliz [49]

Answer:

a. True

Explanation:

An information system (IS) can be defined as a set of components or computer systems, which is used to collect, store, and process data, as well as dissemination of information, knowledge, and distribution of digital products.

Generally, it is an integral part of human life because individuals, organizations, and institutions rely on information systems in order to perform their duties, functions or tasks and to manage their operations effectively. For example, all organizations make use of information systems for supply chain management, process financial accounts, manage their workforce, and as a marketing channels to reach their customers or potential customers.

Additionally, an information system comprises of five (5) main components;

1. Hardware.

2. Software.

3. Database.

4. Human resources.

5. Telecommunications.

An operating system is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes.

This ultimately implies that, an operating system acts as an interface or intermediary between the computer end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions.

On a related note, the software application that executes the critical functions of an information system (IS) are contained in its operating system (OS).

Basically, the computer's memory, processes, softwares and hardwares are typically being managed by the operating system (OS). Thus, an OS makes it possible for different programs to run simultaneously (more than one software program running concurrently) and access the computer's memory, central processing unit (CPU), and storage.

4 0
3 years ago
Whats the correct answer
dem82 [27]
Line 2 or line 4 sorry if I’m wrong
7 0
3 years ago
Read 2 more answers
Which is a circuit board located behind an LCD screen on a laptop?
mina [271]

Answer:

Inverter is an electronic circuit that is located behind the LCD screen on a laptop.

Explanation:

Inverter is an electronic device that is used to convert DC voltage into AC voltage. This will lead to control the output power that is required to Liquid Crystal display. The Output power is limit up to the requirement of Florescent light that are used in Liquid crystal display to make picture visible.

This Inverter is just behind the LCD in laptop to control the lights on the display of screen.

4 0
3 years ago
1. Grade data is:
horrorfan [7]

Answer:

1.)

import math

def min_max(lst):

   minimum = math.inf

   maximum = -math.inf

   for x in lst:

       if minimum > x:

           minimum = x

       elif maximum < x:

           maximum = x

   return minimum, maximum

2.)

def deltaGrade(lst):

   sm = 0  #sm is sum

   for x in lst:

       sm += x

   mean = sm/len(lst)

   deltaG = 75 - mean

   return deltaG

7 0
4 years ago
In total, how many 8-bit registers are there in the Intel 80x86 CPU design presented in class? Name one of these 8-bit registers
RSB [31]

Answer:

In general the number of  bit registers in Intel 80x86 CPU design when combined together forms a 16 - bit register

An example of the  -bit registers are AH, AL, BH, BL, CH, CL, DH, and DL

Explanation:

Solution

The 8086 CPU design has a total of eight 8-bit registers and these register can be integrated together to make 16- bit register as well.

The 16-bit data is stored by breaking the data into a low-order byte and high order byte.

The name of the 8 bit registers is shown below:

AH, AL, BH, BL, CH, CL, DH, and DL

7 0
3 years ago
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