2. A _______________ is a device that is used to connect two packet-switched networks or subnetworks.

3. Which OSI layer defines how to start, control, and end conversations?

4. What is a data link layer communication protocol between two routers directly without any host or any other networking in between. It can provide connection authentication, transmission encryption, and data compression?

5. Latency means the time it takes for a small data set to be transmitted from your device to a server on the Internet and back to your device again.

6. This is colloquially termed a web address. It is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.

7. What is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code?

8. _____________ is the measure of the number of changes to the signal (per second) that propagate through a transmission medium.

9. ________ is a compact, hot-swappable network interface module for a media-specific transceiver in order to connect fiber-optic cable.

10. This is a framework of related protocols that secure communications at the packet processing layer. It enables data confidentiality, integrity, origin authentication and anti-replay.

11. What protocol in the TCP/IP suite can detect/learn the MAC addresses of a computer that is associated with a particular IP address?

12. What is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus?

13. Which connection is made to a server and maintained until the user terminates the connection?

14. Syslog is a protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change the device behavior.

15. This is method allows reuse of public IPV4 addresses so that multiple intranet users can access the Internet using only one public IP address.

II. Windows

1. Which is the correct command to check successful connection:

2. Which commands should I use to know if a certain IP is reachable?

3. True or False: Windows Services can allow you to see the running applications/processes.

4. Which of the following command opens the Remote Desktop Connection?

5. Which of the following is not a Windows command?

6. Which tool would you use to retrieve detailed information about a significant occurrence on your server?

7. Which task is executed during the Power-On Self Test (POST)?

8. You manage a company's Active Directory. You need to delegate the control of a branch office to a set of administrators. Where would you place the users and computers that belong to the branch office?

9. What is the minimum Windows Server version on which Hyper-V can be installed?

10. What is the default port for HTTPS?

11. A ________ is an environment that works like a computer within a computer. It runs on an isolated partition of its host server with its own resources of CPU power, memory, an operating system, and other resources

12. __________ is a kind of emulator. It is a computer software/firmware/hardware that creates, runs, and manages virtual machines.

13. The server on which one or more virtual machines run is called _________

III. Linux

1. Where do users arrive after executing exit command on Linux?

2. How to unzip files in Linux?

3. Which command will show the contents of a directory?

4. Which of the command is not an editor?

5. What command should I run to get to command line interface?

6. The core of Linux operating system is _________.

7. Which of the following directory contains configuration files in Linux

8. What is the command used to exit from terminal

9. What is the command to navigate to the home directory?

10. What is the command used to change, read, write, and execute permissions of files and directories?

IV. Database

1. Which of the following is generally used for performing tasks like creating the structure of the relations, deleting relation?

2. The term "FAT" is stands for_____

3. Which of the following is not an SQL command?

4. Which one of the following commands is used for removing (or deleting) a relation forms the SQL database?

5. A set of pre-compiled SQL Statements, executed when it is called in the program.

6. Which of the following commands is used to save any transaction permanently into the database?

7. The key that uniquely identifies each record is called:

8. In a database table, each category of information is called _________.

9. Which of the following is not a database model?

10. The overall description of a database is called ________.