Answer:
nslookup is the correct answer to the following question.
Explanation:
The following answer is correct because It is the tool or the utility of the command line by which an administrator to query a DNS(Domain Name System) for finding the domain name or the Internet Protocol address or many other records.
<u>Steps to use nslookup:</u>
- Firstly, you have to press the window key + R to open run.
- Then, you have to type cmd in it and press enter.
- Then, cmd will appear after that, you have to type the command 'nslookup' and then press enter.
- Then, it shows the default server name and ip address after that, you have to type an ip address of DNS server.
- Then, you have to type 'set' then type q=M X and then press enter
- Then, you have to type the name of your domain then, press enter key.
Answer:
The circular individually linked list is more efficient for time sharing process ,when multiple application are running on pc it is responsibility of an output system to put all process on a list and execute them all by giving them piece of time and make them wait when cpu is selected to other process.
It will be more suitable for output system to use circular list as when it reaches to last of list it will be manually reaches to starting node or process.
Singly circular linked list is used when we are concerned with the memory as only one process will be allocated memory at once and there are no chances of process to go never-ending waiting.
Explanation:
Answer:
C. Internet Corporation for Assigned Names and Numbers.
Explanation:
The Internet Corporation for Assigned Names and Numbers is an institution founded in September, 1998. The ICANN has the role of maintaining internet databases and promoting safe internet operations. The headquarters of this organization is located in Los Angeles, California.
The ICANN is also involved in the registration of internet domain names, formulating new top-level domains, as well as the maintenance of root name servers.
The ICANN is also actively involved in forming new policies that would see to safe internet activities. The internet protocol address spaces for IPv4 and 6 are numbered by the ICANN.
Answer:
A. Smart card
Explanation:
Smart cards contain a chip that can store a large amount of information as well as on a magnetic stripe for backward compatibility.
Smart card are cards made of plastic or metal material that has an embedded integrated chip that acts as a security token. Smart cards are the same size as a debit or credit card.
They connect to a reader either by a chip (microcontroller or an embedded memory chip) or through a short-range wireless connectivity standard such as radio-frequency identification or near-field communication.
It can be used to perform various functions though most commonly are used for credit cards and other payment cards.
