Answer:
1. It might give your device a malicious virus or can grab your ip, so it isn't a good idea to open unknown websites. Always go to safe webs!
2. It might be a scam, let's say it is for a free iphone and you put your info in. It's a win-lose thing.
Explanation:
Answer:
B. The Active object's animation stops looping.
Explanation:
As the new event happens, the loop tells it to happen by stopping. And hence, B is the correct option out here. Neither A or C and Nor D is the correct option. The animation does not end here, and the next event takes place. Also, the active object's animation does not change the speeds. Hence, the correct option here is certainly the B.
Answer:
1. SSH/Telnet.
2. SMTP.
3. DNS.
4. DHCP.
5. HTTPS/SSL.
6. FTP
Explanation:
1. Provides connections to computers over a TCP/IP network: the standard protocol used for this is SSH/Telnet, through port number 22 and 23 respectively.
SSH is acronym for secure shell.
2. Sends e-mail over a TCP/IP network: SMTP using port number 25.
SMTP is an acronym for Simple Mail Transfer Protocol and it uses the standard port number of 25 to provide clients with requested services.
3. Translates URLs to IP address: DNS using port number 53.
A Domain Name System (DNS) can be defined as a naming database in which internet domain names (website URLs) are stored and translated into their respective internet protocol (IP) address. This simply means that, DNS is used to connect uniform resource locator (URL) or web address with their internet protocol (IP) address.
4. Automates assignment of IP address on a network: DHCP using port number 67.
Dynamic Host Configuration Protocol (DHCP) is a standard protocol that assigns IP address to users automatically from the DHCP server.
5. Securely transports web pages over a TCP/IP network: HTTPS/SSL using port number 443.
HTTPS is acronym for Hypertext Transfer Protocol Secure while SSL is acronym for Secure Sockets Layer (SSL).
6. Transports files over a TCP/IP network: FTP using port number 20 or 21.
FTP is an acronym for file transfer protocol.
Answer: C) A model of software distribution. Instead of simply selling an application, the vendor hosts the applications and offers access for a small subscription fee.
Explanation: Software as a service(SaaS) is the cloud computing service that is used as software distribution model .It functions by delivering the applications that are hosted by the third-party over the internet towards the customers.It function on the basis of servers of Saas provider.
Other options are incorrect because users don't log into the workstation directly. This model does not provides security regarding the confidential digital data.
It does not ensure the information service available to the user as per requirement.Thus, the correct option is option(c).
