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Networking Interview Questions & Answers - Learning Mode

Networking Interview Questions & Answers - Learning Mode

A network is a group of two or more computer systems linked together. There are many types of computer networks, including the following: local-area networks (LANs): The computers are geographically close together (that is, in the same building). A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.

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Client Server Interview Questions & Answers (36) Learning Mode | Exam Mode

Client-Server Computing Interview Questions & Answers (52) Learning Mode | Exam Mode

Computer Networks Interview Questions & Answers (140) Learning Mode | Exam Mode

Corba Interview Questions & Answers (18) Learning Mode | Exam Mode

LAN Network Interview Questions & Answers (74) Learning Mode | Exam Mode

MAN Network Interview Questions & Answers (10) Learning Mode | Exam Mode

Networks Security Interview Questions & Answers (21) Learning Mode | Exam Mode

TCP/IP Interview Questions & Answers (137) Learning Mode | Exam Mode

WAN Network Interview Questions & Answers (16) Learning Mode | Exam Mode

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Networking Interview Questions & Answers - Learning Mode
Try Networking Interview Questions & Answers - Exam Mode
Question: Why is OSI model layered?

Answer: It provides an structural approach to troubleshoot an issue.

Question: What is the differnce between Unshielded twisted pair(UTP) and Shielded twisted pair(STP) ?

Answer: The most commonly used form of twisted pair is unshielded twisted pair (UTP). It is just two insulated wires twisted together. any data communication cables and normal telephone cables are this type. Shielded twisted pair(STP) differs from UTP in that it has a foil jacket that helps prevent crosstalk and noise from outside source. In data communications there is a cable type called FTP (foil shielded pairs) which consists of four twisted pair inside one common shield (made of aluminium foil). Source:
Question: piggy backing is a technique for
c)flow control

Answer: Piggybacking is a technique used for efficient utilization of bandwidth. The acknowledgment for previous segment is sent along with the data request/transfer of current segment. Source:
Question: Why we use cross cable to connect same devices?

Answer: Same devices like PC-2-PC, it uses(NIC for PC) 1,2 for transmission & 3,6 for reception. If we don't use cross cable then we can't transfer data.

While in the case of switch/hub they receive (NIC of SWITCH/HUB)data on 1,2 & transmit on 3,6.

Thats why we use straight cable for de-similar host & cross cable for similar hosts. Source:
Question: Which of the following involves context switch
a)privileged instruction
b)floating point exception
c)system calls

Answer: A context switch (also sometimes referred to as a process switch or a task switch) is the switching of the CPU (central processing unit) from one process or thread to another.

hence the answer is none Source:
Question: What is the difference between L3 Switch and Router, If they Perform the same function why we need both of them?

Answer: Layer 3 switches do routing with ASIC chips. Routers do it with a microprocesor and its associated software. Therefore the Layer 3 switches are much faster than traditional routers, but cost more. We need them both because in many situations a slow router is sufficient and cheaper than a gigabit layer 3 switch router. Source:
Question: In which OSI layer does a telecom sector stand for ?

Answer: Telecom sector comes in layer3 that is network layer. Source:
Question: How many layers in networking?

Answer: There are 7 layers.
physical layer
data link "
network "
transport "
session "
presentation "
application " Source:
Question: What is the difference between Client and desktop Operating systems?

Answer: desktop operating system is a standalone operating system, able to perform all operations and requests independently. client o/s cant do that , moreover client uses all s/w via requests to servers. basically a node connected to server( linux concept). thanks Source:
Question: Draw and label AF-INET socket address structure

Answer: Address Family INET represent for internet sockets meaning the ipv4 protocol Source:
Question: What is RIP what is the use of RIP?

Answer: RIP (routing information protocol)is a distance vector dyanamic routing protocol. It is used where we have less no. of routers. Its max hop count is 15. It broadcast its entire routing information in every 30 seconds.It is a class full routing protocol.

RIP version 2 is a classless routing protocol. Source:
Question: What is multicast routing ?

Answer: Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing. Source:
Question: What is meant by Transparency?

Answer: Transparency really means hiding the network and its servers from the users and even the application programmers. Source:
Question: What are the seven layers of the OSI model?

Answer: The layers are physical, data link, network, transport, session, presentation, and application layers. Source:
Question: hat is silly window syndrome ?

Answer: It is a problem that can ruin TCP performance. This problem occurs when data are passed to the sending TCP entity in large blocks, but an interactive application on the
receiving side reads 1 byte at a time. Source:
Question: What do you mean by Twisted-pair Cabling ?

Answer: A type of cable that consists of two independently insulated wires twisted around one another. The use of two wires twisted together helps to reduce crosstalk and electromagnetic induction. Source:
Question: How intervlan communication takes place in a layer 3 switch. Also the configuration details.

Answer: In Vlans every Vlan is assigned a Vlan Id and vlan to communicate require a Router between them as every Vlan is in different network .They can also have a Trunk configured so that there traffic can flow between them. Source:
Question: What is TCP/IP ? what is the use of TCP/IP?

Answer: Integrated Services refers to ISDN's ability to deliver at minimum two simultaneous connections, in any combination of data, voice, video, and fax, over a single line. Multiple devices can be attached to the line, and used as needed. That means an ISDN line can take care of most people's complete communications needs at a much higher transmission rate, without forcing the purchase of multiple analog phone lines.
Asynchronous Transfer Mode (ATM) is a cell relay, packet switching netwo Source:
Question: Hi. This is Ajay Rawat.
I want to Configure Linux Server for Internet Sharing from Linux to windows system. Can any body tell me how to do it?I have four Pcs and I want to configure one for LInux and other three for windows..............?

Answer: You can use a static connection of internet. Use DHCP for the static internet connection just fix your user name and password and during the installation automatic detect the DHCP for always on. Source:
Question: What is CIDR?

Answer: Classless Inter-Domain Routing
CIDR is a new addressing scheme for the Internet which allows for more efficient allocation of IP addresses than the old Class A, B, and C address scheme.

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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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