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Networking Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM NETWORKING INTERVIEW QUESTIONS 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: 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: CoolInterview.com
Question: Why is OSI model layered?

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

Source: CoolInterview.com
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: CoolInterview.com
Question: Which of the following involves context switch
a)privileged instruction
b)floating point exception
c)system calls
d)all
e)none


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: CoolInterview.com
Question: piggy backing is a technique for
a)acknowledge
b)sequence
c)flow control
d)retransmission


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: CoolInterview.com
Question: In which OSI layer does a telecom sector stand for ?

Answer: Telecom sector comes in layer3 that is network layer. Source: CoolInterview.com
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: CoolInterview.com
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: CoolInterview.com
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: CoolInterview.com
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: CoolInterview.com
Question: What is a File server?

Answer: File servers are useful for sharing files across a network. With a file server, the client passes requests for file records over nerwork to file server. Source: CoolInterview.com
Question: What is packet filter ?

Answer: Packet filter is a standard router equipped with some extra functionality. The extra functionality allows every incoming or outgoing packet to be inspected. Packets meeting
some criterion are forwarded normally. Those that fail the test are dropped. Source: CoolInterview.com
Question: What does 10Base-T mean?

Answer: The 10 refers to the data transfer rate, in this case is 10Mbps. The word Base refers to base band, as oppose to broad band. T means twisted pair, which is the cable used for that network. Source: CoolInterview.com
Question: What is a VLAN? What does VLAN provide?

Answer: VLAN ? Virtual Local Area Network<br>Vlan is a logical grouping or segmenting a network connected to administratively defined ports on a switch, they provide Broadcast control, Security and Flexibility.<br> Source: CoolInterview.com
Question: What is the difference between TCP and IP

Answer: The difference is that TCP is responsible for the data
delivery of a packet and IP is responsible for the logical
addressing. it is nothing but, IP obtains the address and TCP
guarante delivery of data to that address. Source: CoolInterview.com
Question: What is redirector?

Answer: Redirector is software that intercepts file or prints I/O requests and translates them into network requests. This comes under presentation layer.

Source: CoolInterview.com
Question: Difference between bit rate and baud rate

Answer: Bit rate is the number of bits transmitted during one second whereas baud rate refers to the number of signal units per second that are required to represent those bits.
baud rate = bit rate / N
where N is no-of-bits represented by each signal shift.

Source: CoolInterview.com
Question: What is meant by Symmentric Multiprocessing (SMP)?

Answer: It treats all processors as equal. Any processor can do the work of any other processor. Applications are divided into threads that can run concurrently on any available processor. Any processor in the pool can run the OS kernel and execute user-written threads. Source: CoolInterview.com
Question: What is OLTP?

Answer: In the transaction server, the client component usually includes GUI and the server components usually consists of SQL transactions against a database. These applications are called OLTP (Online Transaction Processing) OLTP Applications typically,
Receive a fixed set of inputs from remote clients. Perform multiple pre-compiled SQL comments against a local database. Commit the work and Return a fixed set of results. Source: CoolInterview.com
Question: What is multicast routing ?

Answer: Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing. Source: CoolInterview.com

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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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