The answer would more likely be A
If it’s not correct I’m very sorry
Answer:
Option B: DNS
Explanation:
Domain Name Server (DNS) is analogous to a phone book where people can look up a person name through numerical phone number. A DNS server is a database that host a database of public IP addresses (e.g. 64.233.160.0) and their associated hostname (e.g. google.com).
Whenever we type domain name in the address bar of our browser (e.g. google.com), that domain will be delivered to DNS server. Inside DNS server the URL will be mapped with its corresponding IP address making it possible for the web request to reach the the target server.
Answer: A. A method of access control that allows a user to log on to a system and gain access to other resources within the network via the initial logon
Explanation: key distribution center ( KDC) is a system that is used to provide access to a particular network user who shares data which are either private or regarded as sensitive.
It is a form of encryption that allows multiple system within the same network through the use of uniquely secured tickets used to setup a secure connection which gives room for data to be shared.
KDC makes use of cryptographic techniques to prove the validity of a user and grants a ticket permission access. The user present the ticket of permission to the system which then validates it and grant access to the user.
Example of security system that adopts KDC include kerberos.
<span>When you ask the database more complex questions using comparison operators, you are conducting a query.
</span><span>The term "query" denotes a programmatic statement that is understand by a the DBMS(Database management system) that understands how to access and manipulate data within a database. </span>
Answer:
A. True.
Explanation:
Programming languages are computer based languages used to pass instructions or task that can be interpreted to machine language, which can be understood by the computer system. Low level programming language and high level programming language are the two categories of program languages.
Low level languages use low level commands. They use processor instruction sets and primitive opcodes for their instruction syntax. Example of a low level language is Assembly language.
High level languages are English based and more complex in its compilation.
