Answer:
The Method header to this question is "int sum(int[] values, int currSize)".
Explanation:
According to the question, It is defined that choose the correct option which creates a method header sum and returns the sum of the array element. In given options, we choose option second because in this option method return type is int and use an integer variable that is "currSize" which calculate the sum and return its value and other option are not correct that can be described as:
In the first option, we create a method but we do not pass any parameter so it will not calculate the sum of array elements. In the third option, we create a method but we pass only one parameter that is an array. So, it will not calculate the sum of array elements correctly. In the fourth option, In this method, we pass three parameters that are "values, size and currSize" in which the size parameter not use.That's why the answer to this question is option second which is "int sum(int[] values, int currSize)".
In the implementation of the getMax() function in the PriQueue class, we need to read and write the variables "front" and "rear", which are defined as protected members in the base class Queue. Are the functions in the derived class allowed to access the protected members in the base class?
Answer:
The answer to the given question is "yes".
Explanation:
In the programming language, Protected is a keyword that is used as an access modifier by using protected members we only access within the same class and it also provides access to use this member in the derived class that is inherited by derived class from the base class.
That's why the answer to this question is "yes".
Which of the following is an advantage of using CSS? (choose all that apply)
-more than one HTML page in a website can use the same CSS file
-global style changes to a website can be made by editing the CSS
-new content can be written and updated to a web page automatically using CSS
-different CSS files can be used to enable a page to display well on different devices
*Answers: A, B, D
Answer:
Correct answers are option 1,2,4.
Explanation:
One css file can be reused in multiple html files to save time for similar html code.If css file is imported globally in html file it can be really useful to make design changes to the website just by changing the global css file. All the changes made in that file would be reflected in all html files where that particular stylesheet is included.
While importing a stylesheet one can link multiple stylesheets with multiple screen size so that for a particular screen size a particular stylesheet is loaded
Answer:
A, B, D
Explanation:
Just took the question and they are all right
A technician is configuring a new SOHO multifunction wireless router at a customer’s location to provide network access to several wireless devices. The technician is required to protect the customer’s private network from unauthorized access while performing the initial router setup as well as during normal operation after the configuration is completed.
A. DMZB. DHCPC. ARPD. SSIDE. MAC filtering
Answer:
E. MAC filtering
Explanation:
Based on the information provided within the question it can be said that the tool that the technician must use is MAC filtering. This is a networking tool that is a security access control method, in which you can see and control the network cards that have access to the network. This would allow the technician to protect the customer's private network during and after setup.
What is structured knowledge?
A. Any knowledge that is in a structured format recognized by computer.
B. Explicit knowledge that exists in SQL format.
C. Tacit knowledge that exists in SQL format.
D. Tacit knowledge that exists in formal documents.
E. Explicit knowledge that exists in formal documents, as well as in formal rules.
Answer:
Explicit knowledge that exists in formal document, as well as formal rules
Explanation:
The term structure reflects that the document should be organised in proper format according to the rules.
That why option 'E' is the best choice for structured knowledge explanation.
Roshon wants to create an HTML5-compliant page that has four sections: a section that contains the site navigation links, top and bottom sections that contain a logo and copyright information, and a section that contains the main message of the page. Which elements should Roshon use to create these sections?
Answer:
a tag inside nav tag for navigation, img tag for logo,span tag inside footer for copyright, for main message a div tag inside section tag
Explanation:
nav tags are used for navigation bars in html. Inside nav , a tag is used to link other pages reference. img tag is used for images. span tag is a non block element tag as it dose not span across the width of screen. For main message of the website use a div tag inside section tag with used of h tags and p tags for proper formatting of message
SONET: is a standard for optical transmission that currently operates at Terabit per second speeds is almost identical to the ITU-T standard, synchronous digital hierarchy (SDH) uses existing copper cabling and the PSTN network refers to Sprint Overall Network is not currently available, even in large cities
Answer:
The correct option to the following question is an option (B).
Explanation:
SONET is also known as the Synchronous Optical Network which is the optical fiber that is used to establishes digital communication and it is also the transmission system, it was evolved in the 1980's by the Bellcore in United States.
It is the subset of SDH and SDH is also known as the Synchronous Digital Hierarchy that is used for the transmission and transport the communication signals
A propaganda agent can manage multiple online personalities, posting to many different _____________. A. Bulletin boards and email accounts B. Bulletin boards and discussion groups C. Discussion groups and email accounts D. Financial websites
Answer: B) Bulletin boards and discussion groups
Explanation:
Propaganda agent is a person who is representative that has the information and topic for influencing and manipulating the thoughts of audiences or public through communication.The topic is raised as agenda in front of public to mislead them or raise political view.
According to question's situation, propaganda agent can manage online personalities by publicizing it through bulletin board and discussion group to display topic or agenda and having conversation can happen in groups respectively.
Other options are incorrect because email accounts are used for mailing people rather than raising issue.Financial websites are used for finance-related help and topics.
Thus, the correct option is option(B).
A propaganda agent can manage multiple online personalities, posting to bulletin boards and discussion groups. These platforms are key for spreading messages to a wide audience, making B the correct answer.
Explanation:A propaganda agent can manage multiple online personalities, posting to many different bulletin boards and discussion groups. The correct answer to the question is B. Bulletin boards and discussion groups. These platforms are extensively used for communication and dissemination of information, including political messages and propaganda. Online spaces like bulletin boards, discussion groups, and social media sites provide vital venues for individuals or entities looking to spread their messages quickly and to a wide audience. As noted in various examples, political campaigns and interest groups have turned to the Internet and these platforms for communicating with potential supporters, organizing events, and influencing public opinion.
_________ is a feature of all modern browsers that will delete your history, cache, and cookies the moment you close the private window. Private browsing Do not track Anonymity Automation
Answer:
"Private browsing" is the correct answer to the following question.
Explanation:
Private browsing is the private mode, if the person works on the private browsing then its information would not be stored in the browser which means his the record of your would not store in the browser that is completely private to the other persons but his ISP is always recorded if you are browsing private or not.
The other name of private mode is the incognito mode which is available in all the browsers in one of these two names.
"Private browsing" is the correct answer to the following question.
Explanation:
Private browsing is the private mode, if the person works on the private browsing then its information would not be stored in the browser which means his the record of your would not store in the browser that is completely private to the other persons but his ISP is always recorded if you are browsing private or not.
The other name of private mode is the incognito mode which is available in all the browsers in one of these two names.
Which of the following is a centrally hosted and managed desktop environment with the capability of spanning multiple offices across various countries in which each user’s desktop instance is dynamically provisioned?
a. VPN
b. IaaS
c. VDI
d. SaaS
Answer:
C. VDI
Explanation:
IaaS and SaaS, which are infrastructure as a service and Software as a service, are cloud services and not centrally hosted, and rather distributed like AWS has multiple data centers based in various global regions,
VPN connects the sites and the users.
And VDI is the virtual desktop Infrastructure. And it deals in running various user desktops within the VM which are being hosted within the VM which are located on various data centers. And each of the users is given access to a dedicated VM, and which runs the different OS. The connection broker is responsible for managing the VMs.
The correct answer is c. VDI (Virtual Desktop Infrastructure), which is a centrally hosted and managed desktop environment able to span multiple locations and dynamically provision users' desktop instances.
Explanation:Among the given options, the correct answer is c. VDI, which stands for Virtual Desktop Infrastructure. This technology allows organizations to run user desktops inside virtual machines that reside on servers in data centers. Users can access their desktop instances over a network using a remote display protocol. VDI can span multiple offices across various countries, and it centrally hosts and manages desktop environments. It also ensures that each user's desktop instance is dynamically provisioned according to their individual needs. Unlike VDI, VPN (Virtual Private Network) extends a private network across a public network, which enables users to send and receive data as if their computing devices were directly connected to the private network. IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet. SaaS (Software as a Service), on the other hand, delivers software applications over the internet, which are hosted by a third-party provider.
Which one of the following is the correct code snippet for calculating the largest value in an integer array list aList?
a. int max = aList.get(0); for (int count = 1; count < aList.size(); count++) { if (aList.get(count) > max) { max = aList.get(count); } }
b. int max = 0; for (int count = 1; count < aList.size(); count++) { if (aList.get(count) > max) { max = aList.get(count); } }
c. int max = aList.get(0); for (int count = 1; count > aList.size();count++) { if (aList.get(count) >= max) { max = aList.get(count); } }
d. int max = aList[1]; for (int count = 1; count < aList.size();count++) { if (aList.get(count) > max) { max = aList.get(count); } }
Answer:
Option a. int max = aList.get(0); for (int count = 1; count < aList.size(); count++) { if (aList.get(count) > max) { max = aList.get(count); } }
is the correct code snippet.
Explanation:
Following is given the explanation for the code snippet to find largest value in an integer array list aList.
From the array list aList, very first element having index 0 will be stored in the variable max (having data type int).By using for starting from count =1 to count = size of array (aList), we will compare each element of the array with first element of the array.If any of the checked element get greater from the first element, it gets replaced in the variable max and the count is increased by 1 so that the next element may be checked. When the loop will end, the variable max will have the greatest value from the array aList.i hope it will help you!
The security administrator for Corp.com wants to provide wireless access for employees as well as guests. Multiple wireless access points and separate networks for internal users and guests are required. Which of the following should separate each network? (Choose all that apply.)(a)Channels(b)Physical security(c)Security protocols(d)SSIDs
SSIDs should separate each network.
(d)SSIDs
Explanation:
In an organization or corporation office, End user is office staff he or she can access to different SSIDS, Where restrictions access can be configured at firewall level.
So if any guest he or she will ask to connect different SSIDS so that guest will not enter to internal networks. Where guest is connected to only on restricted area network such as internet etc. Due to this if guest pc is attacked by virus it can prevented by attacking the same to internal office network.
A website that allows a company to share information in order to increase customers' know-ledge about its products, create a conversation between the firm and consumers, and provide an active forum for testing new ideas is a:
Answer:
Blog is the correct answer to the following question.
Explanation:
A website that is created to share the information of the companies or the organisations to increase the knowledge of their customers related to the companies services and goods.
In other words, a blog is a type of website but not a full website in which the new content is updated in a daily manner but the nature of the website is the static where the contents is stored in the different pages and also they are not updated in a daily manner.
A certain social media Web site allows users to post messages and to comment on other messages that have been posted. When a user posts a message, the message itself is considered data. In addition to the data, the site stores the following meta data.The time the message was postedThe name of the user who posted the messageThe names of any users who comment on the message and the times the comments were madeFor which of the following goals would it be more useful to analyze the data instead of the metadata?A) To determine the users who post messages most frequently B) To determine the time of day that the site is most active C) To determine the topics that many users are posting about D) To determine which posts from a particular user have received the greatest number of comments
D) To determine which posts from a particular user have received the greatest number of comments
Explanation:
Since social media excepting comments from end user website or social media should keep track of end user information such as name with email address and phone extra.
If we do so we can end user information in cans, end user post, wrong post information can be blocked or given end user information for further analysis. Moreover web site can receive positive or negative posts.
For me all four will be my answer. If we don’t track any information about end user it is against to law.
Which browser should you choose if you want speed, synchronization with other computers and accounts, and a simple interface?
Answer:
chrome!!!!!!!!!!!!!!
Explanation:
dont use firefox
Personal Area Network (PAN--
provides communication over a short distance that is intended for use with devices that are owned and operated by a single user);
Wireless LAN (WLAN--
a local area network that uses radio signals to transmit and receive data over distances of a few hundred feet);
Wireless MAN
(WMAN--a metropolitan area network that uses radio signals to transmit and receive data); and
Wireless WAN (WWAN--
a wide area network that uses radio signals to transmit and receive data
Answer:
All of given terms are Categories of Wireless networks.
Explanation:
Wireless networks as obvious from name are the networks having no means of physical medium such as cords, wires or cables. This gives the advantage of mobility and extension of the applications to different parts of building, block and even anywhere in word. Wireless network can be divided into four basic categories in order to differentiate between there quality and range:
Category Coverage
Wireless Personal Area Network (WPAN) | Within One personWireless Local Area Networks (WLAN) | Within a buildingWireless Metropolitan Area Networks (WMAN) | Within a cityWireless Wide Area Networks (WWAN) | Worldwide
i hope it will help you!
You are the administrator of an organization with a single Active Directory domain. A user who left the company returns after 16 weeks. The user tries to log onto their old computer and receives an error stating that authentication has failed. The user's account has been enabled. You need to ensure that the user is able to log onto the domain using that computer. What do you do?
A) Reset the computer account in the Active Directory. Disjoin the computer from the domain and then rejoin the computer to the domain.
B) Run the ADadd command to rejoin the computer account.
C) Run the MMC utility on the user's computer, and add the Domain Computer's snap-in
D) Re-create the user account and reconnect the user account to the computer account.
Answer:
Option A) Reset the computer account in the Active Directory. Disjoin the computer from the domain and then rejoin the computer to the domain.
Explanation:
Active Directory Domain can be defined as a Microsoft Active Directory network having a collection of objects in itself. Object can be a single user or a group of users or it may be a hardware components such as printer or scanner. The database of each object is stored into the domain having information about the identity.
Problem:
Now according to the given scenario, the identity of the user,s computer will be disabled when he will left the company. After 16 weeks when he will try to log in back from his computer, there will be an authentication error. The user will still not able to login after manually enabling his account.
Process:
You will have to go to the Active Directory Domain and dis-join the former domain and then reset the account after that rejoin the user's computer to the domain again. Now the user will be able to log in to the computer.
I Hope it will help you!
Client/server computing is a: A. network that connects sensors to desktop computers. B. distributed computing model where clients are linked to one another through a network that is controlled by a network server computer. C. centralized model of computing for large corporations. D. network where centralized mainframe computers serve local devices. E. centralized computing model where local computers are connected to one another by a network.
Answer:
B. distributed computing model where clients are linked to one another through a network that is controlled by a network server computer.
Explanation:
Client - server computing model is a distributed network where it functions between two types of independent and autonomous processors: servers and clients.
In Client/Serer computing model, different nodes of clients make requests from a centralized host computer (server), and the server responds these requests and shares its resources.
In other words, servers are the devices which have the ability of serving requests made by clients.
Refer to the exhibit. A network administrator configures a named ACL on the router. Why is there no output displayed when the show command is issued?
Answer:
The correct answer to the following question is ACL name is the case sensitive.
Explanation:
ACL name is unique, alphanumeric and case sensitive that's why the router deals like the access_network, the ACCESS_NETWORK as it if they are the two separates ACL's.
That's why ACL always has the unique identities.
Byron wants to use Quick Parts to insert reusable content into a company Word document. Where will he access this option? Design tab Insert tab Home tab Review tab
Answer:
Insert tab
Explanation:
To use Quick Parts, first go to Insert tab then text group. The icon of Quick Parts is there in the attached picture.You can use the Quick Part Gallery to create, store, and reuse pieces of content, including AutoText, document properties (such as title and author), and fields. These reusable blocks of content are also called building blocks. AutoText is a common type of building block that stores text and graphics. You can use the Building Blocks Organizer to find or edit a building block
Answer:
The correct answer is the option B: Insert Tab.
Explanation:
First of all, the feature of Quick Parts inside Microsoft's Word Office introduced in 2007 allows the user to create a library of content that the person commonly uses and then permits him to use that content everytime he needs instead of creating it again, therefore the content stays permanent.
Secondly, if the person wants to use this feature then he needs to first press Insert Tab in the Word's menu tool and then go the part of text group, in there the person will find the Quick Parts feature in the highest icon in the middle of the text group. Byron will find this feature very usefull due to the fact that it will allow him to create, store and reuse the content he wants everytime he needs into a company Word document.
A junior network administrator tells you that he can ping a DNS server successfully using its IP address, but he has not tested domain name lookups. What utility on the command line would you suggest your colleague use next?
a.tracerouteb.nbtstatc.ipconfigd.nslookup
Answer:
I would suggest "nslookup" utility on command line.
Explanation:
nslookup is a network administration command line tool and it is aimed for querying the Domain Name System to get domain name.
The nslookup command queries DNS servers and shows information about any DNS records.
Therefore, to test domain name lookups, one should use nslookup command.
A ____ is a group of preset settings for controlling how color will appear on the screen and in a printed document.a.swatch profileb.swatch listc.color directord.color profile
Answer:
Option (D) i.e., color profile is the correct answer to the following question
Explanation:
A color profile is that color which we are clicked from our photo camera and then it will display on our screen and the extension of the color is .ICM or .ICC.
Steps to create a color profile:
Firstly, click on the Start menu.Then, you have search for the Color Management.Then, you have to select the Device tab.Then, you click on the check box which appear on the top.Then, click on Add.Then, a page appears than click on the Browse.Then, you have browse that folder which has that color profile.Then, you have to click on .icm or .icc file, click on ADD.Finally, you have to close that window.Final answer:
A color profile is a set of predefined settings that controls color representation on screens and in printed materials, based on models like RGB and CMYK. It ensures consistency and accuracy of colors across different mediums.
Explanation:
A color profile is a group of preset settings for controlling how color will appear on the screen and in a printed document. This is crucial in fields such as digital imaging and graphic design, as it ensures that colors are consistent across different devices and media. Color profiles are based on color models such as RGB (Red, Green, Blue) for screens and CMYK (Cyan, Magenta, Yellow, Black) for print.
The primary colors, or hues, are red, yellow, and blue, and through various combinations and adjustments, a wide spectrum of colors can be created. The use of a color wheel, developed by Isaac Newton, is a basic tool for understanding color relationships. Furthermore, adjustments in hue, value, saturation, shade, and tint can be finely tuned within these profiles to convey specific meanings or aesthetics, ensuring the color alignment meets contrast and visibility standards.
The statement print(words[len(words)]) will raise an exception. What should be placed in the blank so that this exception will be caught and the error message will be displayed?
A,B,C,D?
The answer D.
Put the except IndexError to catch IndexError which gets raised when the statement gets executed.
A student is recording a song on her computer. When the recording is finished, she saves a copy on her computer. The student notices that the saved copy is of lower sound quality than the original recording. Which of the following could be a possible explanation for the difference in sound quality?
A. The song was saved using fewer bits per second than the original song.
B. The song was saved using more bits per second than the original song.
C. The song was saved using a lossless compression technique.
D. Some information is lost every time a file is saved from one location on a computer to another location.
Answer:
A. The song was saved using fewer bits per second than the original song.
Explanation:
A song can be recorded on the computer or any device ranging from bit rates 96 kbps to 320 kbps.
The lesser the bitrates the lesser the quality of the audio and when we increase the bit rates, the quality of the audio recorded gradually increases.
Bitrates of 128 kbps give us a radio like quality whereas when we use bitrates of 320 kbps we get very good or CD-like quality.
According to the scenario, the most appropriate answer is option A.
Final answer:
The saved copy of the song is likely of lower sound quality because it was saved using fewer bits per second (Option A). Lowering the bit rate can reduce quality noticeably when less information of the sound is captured. Lossless compression doesn't degrade quality, and saving with more bits or transferring within a computer does not reduce sound quality.
Explanation:
The difference in sound quality of the student's recording could be due to saving the song using fewer bits per second than the original song (Option A). A lower bit rate reduces the file size but can also degrade the sound quality, as fewer voltage steps are being recorded, which means a less accurate representation of the sound wave. Lossless compression (Option C) would not reduce the sound quality because all the original data is preserved. Saving the song with more bits per second (Option B) would typically improve or maintain quality, not reduce it. Transferring a file on the same computer does not degrade its quality, so Option D is incorrect.
Bit rate is a key factor in determining the fidelity of a digitally recorded sound. If the bit rate is reduced too much, the quality may suffer to a point where it is noticeable to the listener. However, for many listeners, especially when played on basic entry-level speakers or mobile devices, the difference in quality between high and low bit rate files is not significant.
Audio formats like MP3 use compression to reduce file size by using strategies such as discarding data that may not significantly affect sound quality for human ears. Contrastingly, formats such as WAV typically do not compress or only use lossless compression, thus maintaining higher sound quality but resulting in larger file sizes.
In determining where to store specific data in a(n) centralized DBMS, factors such as communications cost, response time, storage cost, and security are key considerations.
True / False.
In determining where to store specific data in a(n) centralized DBMS, factors such as communications cost, response time, storage cost, and security are key considerations is True.
True
Explanation:
If database is centralized (DBMS) as database administrator has kept database server on by 24 X 7. If an organization office is spread over many countries, centralized the database is good advice.
Database administration has monitored the database access in and out transaction on the database.
Since it is centralized database, it is cost effective rather providing database server in office in organizations and later it synching to centralized database on period schedule or end user ( IT department) in each office has to execute the period schedule then their requirements
Response time from and to on centralized database is count how fast the system operates the database.
Since it is database is centralized storage cost is reduces as expenses in the organization.
Security on centralize database server is very important to protect from hackers.
Write a method, makeSubjectLine, that gets a String argument and returns the same String but with "Subject: " in front of it. So if the argument is "Are you going to the show?" the method returns "Subject: Are you going to the show?".
Answer:
public class newass {
/*
Write a method, makeSubjectLine, that gets a String argument and returns the same String but with "Subject: " in front
of it. So if the argument is "Are you going to the show?" the method returns "Subject: Are you going to the show?".
*/
public static void main(String[] args) {
System.out.println(makeSubjectLine("Are you going to the show?"));
}
public static String makeSubjectLine(String subj){
return "Subject: "+subj;
}
}
Explanation:
The solution in Java Programming Language
The master production schedule for Product A shows a need for 30 units, and Product B shows a need of 25 units. To manufacture a unit of Product A, three units of component C are required. To manufacture a unit of Product B, four units of component C are required. Determine the gross requirements for component C to complete production.
Answer:
the amount of C required is 190 units of C
Explanation:
the amount of C to cover the necessity of product A is
Ca = A units required * number of C units to manufacture a unit of A
Ca = 30 unit of A * 3 units of C/ unit of A =90 units of C
to produce B the same applies
Cb = B units required * number of C units to manufacture a unit of B
Cb = 25 unit of B * 4 units of C/ unit of B =100 units of C
therefore to cover the necessities of A and also B we will need:
total units of C required = units of C to produce A + units of C to produce B
C = Ca + Cb = 90 units of C + 100 units of C = 190 units of C
C= 190 units of C
An organization has a website with a guest book feature, where visitors to the web site can input their names and comments about the organization. Each time the guest book web page loads, a message box is prompted with the message "You have been P0wnd" followed by redirection to a different website. Analysis reveals that the no input validation or output encoding is being performed in the web application. This is the basis for the following type of attack?A. Denial of ServiceB. Cross-site Scripting (XSS)C. Malicious File ExecutionD. Injection Flaws
Answer:
B
Explanation:
Answer:
C: Malicious File Execution
Explanation:
An emmbedded file in the Landing page of the website cause the page to be automatically redirected to another source, the new page loads automatically, malicious execution of the webpage redirects the new site to another link, and makes such traffic meant for the site to be automatically turned to another website.
"A software package developed to handle information requirements for a specific type of business is called a horizontal application"a. true.b. false.
Answer:
false.
Explanation:
false.
A horizontal application is defined as any programme that covers a wide number of customers with various sets of skills and expertise. Since application like horizontal types can cover different sectors and can be useful in a number of industries and moreover these application are not area specific or market specific application.
Assume that an int variable counter has already been declared. Assume further a variable counterPointer of type "pointer to int" has also already been declared. Write a statement that makes counterPointer "point" to counter.
Answer:
Following are the statement:
counterPointer = &counter;
Explanation:
The following statement is correct because in the question it is given that there is an integer data type variable i.e., "counter" and there is another integer data type pointer variable i.e., "counterPointer" and finally we write a statement in which the pointer variable points to the integer variable.
To point the 'counterPointer' to 'counter', assign the address of 'counter' to 'counterPointer' using the address-of operator (&) in the form: counterPointer = &counter;.
To make a pointer called counterPointer point to an int variable called counter, use the address-of operator (&) to get the address of counter and then assign that address to counterPointer. The statement to do this in C or C++ would be:
counterPointer = &counter;This line tells the compiler to store the memory address of counter in the pointer counterPointer. Pointers are used to directly access and manipulate the memory allocated to variables, which can be more efficient or necessary for certain programming scenarios.
Mailbox protocols do not include: A. Simple Mail Transfer Protocol (SMTP) B. Post Office Protocol 3 (POP3) C. Internet Message Access Protocol (IMAP) D. Internet Control Message Protocol (ICMP)
Mailbox protocols do not include: Internet Control Message Protocol (ICMP)
D. Internet Control Message Protocol (ICMP)
Explanation:
For email accounts to receive emails, end user has three type configurations. The configurations are done based on web service provider where the domain is hosted.
The following are three configurations to receive email for end user in their MS outlook or lotus dominos.
1. SMTP: - it configures to send mail to others.
2. POP3:- it is configure to receive mail from others.
3. IMAP: - some web services use these services to receive mail from others and sent to others.
We need to necessary settings in MS-outlook or lotus dominos.