Networking Interview Questions and Answers for 2024

Categories: Hardware & Networking

Q1. What is data encapsulation?

Ans. Data encapsulation is breaking down information into smaller, manageable chunks before their transmission across the network.

Q2. What is RAS?

Ans. RAS (Remote Access Services) refers to any combination of hardware and software to enable remote access to tools or information that typically reside on a network of IT devices.

Q3. Mention the different network protocols that are supported by Windows RRAS services.

Ans. Following are the three main network protocols supported by Windows RRAS services:

a. NetBEUI

b. TCP/IP

c. IPX

Q4. What are the perquisites to configure a server?

Ans. The perquisites to configure a server are:

a. LAN card should be connected

b. Root (partition on which window is installed) should be in NTFS format.

c. A server should be configured with a static IP address.

Q5. How can you secure a computer network?

Ans. You can achieve a secure computer network in the following ways:

a. Install a reliable and updated antivirus program across the network

b. Ensure firewalls are set and configured properly

Q6. Mention the uses of the Hamming code.

Ans. Following are some of the common applications of using Hemming code:

a. Modems

b. Satellites

c. PlasmaCAM

d. Shielding wire

Q7. What are proxy servers, and how do they protect computer networks?

Ans. Proxy servers prevent external users from identifying the IP addresses of an internal network. They make a network virtually invisible to external users, who cannot identify the physical location of a network without knowledge of the correct IP address.

Q8. What is SLIP?

Ans. SLIP, or Serial Line Interface Protocol, was developed during the early UNIX days and is used for remote access.

Q9. What are Nodes and Links?

Ans. Nodes – Devices or data points on a more extensive network are known as nodes. They are individual parts of a larger data structure and contain data. They also link other nodes.

Links- A link is the physical and logical network component for interconnecting hosts or nodes in a network. It is a physical communication medium such as a coaxial cable or optical fibre.

Q10. What is TCP/IP?

Ans. TCP/IP is the short form of the Transmission Control Protocol / Internet Protocol. It is a set of protocol layers designed to facilitate data exchange on heterogeneous networks.

Q11. Explain why the standard OSI model is known as 802.xx.

Ans. The OSI model was introduced in February 1980. In 802.XX, ‘80’ is named for the year 1980, and ‘2’ is named for the month of February.

Q12. Why is encryption on a network necessary?

Ans. Encryption changes data from its original readable to unreadable format, thus ensuring network security. The user must use a secret key or password to decrypt the data.