Answer:
C) Session Layer.
Explanation:
OSI model stands for Open Systems Interconnection. The seven layers of OSI model architecture starts from the Hardware Layers (Layers in Hardware Systems) to Software Layers (Layers in Software Systems) and includes the following;
1. Physical Layer
2. Data link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer
Basically, each layer has its unique functionality which is responsible for the proper functioning of the communication services.
Session layer is the layer of an Open Systems Interconnection (OSI) model which describes how data between applications is synced and recovered if messages don't arrive intact at the receiving application.
Answer:
The correct answer is letter "E": None of the above.
Explanation:
The VLAN Trunking Protocol (<em>VTP</em>) provides an easy way of keeping an accurate VLAN configuration through a commuted network. The VTP allows solutions of commuted network easily scalable to other dimensions, reducing the need of manually setting up the red. The VTP composed of a layer 2 protocol used to manage VLAN setups between switches.
Answer:
C. Symptoms of malware mutation
Explanation:
They are signs that could indicate that ones system is infected by virus.
Such signs includes:
1.Slow booting or startup.
2.Low space storage.
3.Blue screen of death.
4.Slow Internet performance.
5.Sending of spam messages.
6.Disabled security.
7.Browsing error.
8.Pop-up messages.
9.Renaming of files.
10.Loss of certain files, music, messages, etc.
The answer is commas. <span>When listing columns in the select list, commas should be used to separate the columns.</span>
Answer:
Boot to safe mode
Explanation:
When a virus attacks boot system, that is to say, Windows program won´t load. The following steps should be considered taking into account what Windows Version is being used, Windows 7, 8 or 10:
1. Press F8 (Windows 7) F4 (Windows 8, 10)
2. Enable Safe Mode
3. Run Safe Mode
4. Once in safe mode the user will have access to Windows and eventually document files can be extracted via pendrive.
