Answer:
A class
Explanation:
A class is a construct that enables you to create your own custom types by grouping together variables of other types, methods and events. You can map classes to an existing database or use them to generate a database. In this tutorial, you'll create the data models by writing data model classes.
Answer:
Because RAM is only used for short term storage (and doesn't contain anything that will need to be accessed often) RAM it loses its contents when turned off. So when you power on a computer, it has to start running bootup code which has to be stored in ROM
Answer: Layer 3
Explanation:
The layer 3 in OSI model is the network layer which is responsible for routing the packet across the network.
So we need a switch and a router for the LAN and WAN connection and both of them has to support the same protocols at layer 3.
Answer and Explanation:
Advanced Persistent Threat abbreviated as APT is a type of cyber attack which gives access to the unauthorized user to enter the network without being detected for a long period.
APTs are generally sponsored by the government agencies of the nation or large firms. For example, one of the ATPs used was Stuxnet in the year 2010 against Iran, in order to put off the nuclear program of Iran.
Some of the practical strategies for protection against APT are:
- Sound Internal Auditing
- Strong Password Accessing Policies
- Stringent policies for accessing any device
- Introduction and implementation of multi factor authentication
- Strong IDs and sound honeypot solutions
Answer:
The correct option is d)
provides greater stability than a heavy beam during a fire.
Explanation:
Trusses are used to carry loads and are sometimes used to transfer structures. Truss are widely used to serve two functions;
1. To carry the roof load
11. To provide horizontal stability.
Therefore option d) is the right option.
provides greater stability than a heavy beam during a fire.