Networking Question & Answer

Networking Basic Interview Questions and Answers PDF for Freshers

If you are in IT field then you must have basic knowledge of Networking whether you represents to software field.

Networking field is also having a large scope. Hence, organization can ask questions in Interview that are deeply relates to Networking field.

So, friends get ready with some basic and those questions that can be asked in your interview. We are providing the Networking Basic interview Questions and Answers PDF also for Freshers.

Networking Basic Interview Questions and Answers for Freshers –

Question: Define Network?

Ans. – A network is a connection of two or more computers or other devices or nodes at different location in way to share information and data using different communication channels.

Question: Difference between Communication and transmission?

Ans. – Exchanging of information using any medium is called communication and Physical movement of information and concerning about bit priority, synchronization, clock etc. is referred as transmission.

Question: What is a node and links?

Ans. – In a network the devices at different end point located at different location are called nodes and the physical communication medium they using is called links.

Question: How long is an IPv6 address?

Ans. It is of about 128 bits long.

Question: What are two main types of access control lists (ACLs)?

Ans. – There are Standard and Extended ACLs (Access Control lists).

Question: Where do we use cross cables and where we use standard cables?

Ans. – We use Cross cable in computer to computer connection or hub to hub or switch to switch. Standard cables are used between hubs/ switch to computer connection.

Question: Differentiate between Static IP addressing and dynamic IP addressing?

Ans. – Static IP addressing means a computer configured with an IP address will use the same IP address always. Whereas, in Dynamic IP addressing computer IP addresses are changed periodically and it is managed by the centralized device.

Question: What is DHCP scope

Ans. - A scope is a range, or pool, of IP addresses that can be leased to DHCP clients on a given subnet.

Question: Difference between ARP and RARP?

Ans. – Address Resolution Protocol (ARP) is used for mapping IP network address to the hardware addresses that are working on the data link layer. Whereas, RARP (Reverse ARP) maps the IP address from the ARP table that was requested by physical machine in a LAN.

Question: What is LAN?

Ans. –Local Area Network (LAN) is a network that existsin a small area either a building upto few kilometers. Its response time is less as distance has to cover less. For making WAN (Wide area network) two or more LANs worldwide are connected.

Question: Can you explain Protocol?

Ans. – Protocols is basically a set of rules that is required to be followed by a network for communication. It provides the standards that a network should have to follow while communicating to another network.

Question: Define FTP?

Ans. – File Transfer protocol (FTP) is special protocol used to exchange the files from a computer to internet. It is most commonly used to upload a file or image, and also applied while downloading the pdf and other files or images from internet.

Question: Differentiate between POP3 and IMAP Mail server?

Ans. – POP3 is before using mail server in which all mail should be downloaded first if signed in with different PC. Whereas IMAP eliminates this problem and there is no need to download all the emails in IMAP. Hence identification of new mails is easy in IMAP then POP3.

Question: What is Message Oriented Middleware (MOM)?

Ans. – This focuses on sending and receiving the messages to increment interoperability, flexibility, and performance of application. It reduces the development complexity which spans multiple OS and network protocols.

Question: List out the 7 OSI layers?

Ans. – Seven OSI layers are:

• Physical Layer
• Data link Layer
• Network Layer
• Transport Layer
• Session Layer
• Presentation Layer
• Application Layer

Question: Give some components name that is used in Physical Layer?

Ans. – All physical components of network are work at Physical layer such like Hub, Router, Switch, Communication Cables, etc.

Question: What is multicasting?

Ans. – Multicasting gives the facility to send single message different recipients such like email, teleconferencing. In this some standards are used and network infrastructure.

Question: What is the functionality of PING?

Ans. – ping is just only used to check whether the system in network. By PING service we also get some other information like packets lost information, sent packets or received.

Question: Which layers are network and user support layer?

Ans. – Physical layer, Data link layer, network layer are the network support layer and Session layer, presentation layer and application layer are the User support layers.

Question: What is Pipelining?

Ans. – In networking pipelining is defined as the process in which a task starts before the previous task ends.

These above questions will help the fresher candidates and give them a good knowledge of networking basic questioning that can be asked in their Interviews.