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Networking Interview Questions
Questions Answers Views Company eMail

Which layer is responsible coordinating communications b/w segments ? a. physical b. data-link c. network d. session e. application

 1 1973

Can ATM allocate bandwidth on demand ? a. Yes b. NO c. Only if you are running LANE d. Only if you are running layer 3 switches

 1 2124

Which frame type use DSAPs and SSAPS to identify the upper layer protocols ? a. 802.1d b. 802.2 c. 802.3 d. 802.3u

 1 1982

UDP runs its own ? a. data-link layer protocols b. CRC c. routing d. Acknowledgements

 1 1874

Which of the follwoing are Layer2 protocols ? Choose all that apply. a. HDLC b. IP c. UDP d. SLIP e. PPP

 1 1983

Which layer does error notification ? a. Physical b. Data Link c. Network d. Transport

 1 2077

which layer converts user input into data ? a. application b. presentation c. session d. transport

 1 2130

Which layer deals converts formats (unix-dos, EBCDIC-ASCII etc.) ? a. session b. presentation c. transport d. application

 1 1806

Which layer deals with i) file system transfer ii) ii) virtual terminals emulation iii) interprocess communication. a. Application b. Presentation c. Session d. Transport

 1 3419

Which layer establishes end-to-end connection ? a. network b. transport c. physical d. data-link

 1 2392

Which set has protocols of ONLY the Network layer ? a. IP, UDP, TCP, RARP, ICMP b. IP, UDP, ARP, RARP, ICMP c. SPX, UDP, GNS, ARP, APPLETALK d. IPX, FTP, ARP, RARP, ICMP

 1 2099

which layer deals with keepalives ? a. Physical b. Data-link c. Network d. Transport

 1 1902

T/F : FDDI specifies protocols at both MAC sublayer and physical layer ?

 1 1960

Windowing happens at which layer ? a. network b. transport c. session d. presentation

 1 2217

Port is where upper layer protocols access which layer ? a. data-link b. network c. transport d. session

 1 1910

Un-Answered Questions { Networking }

What are digital signatures and smart cards?

554

What is the purpose of message queue?

588

What is an ip address?

674

Difference between the communication and transmission.

604

Why is udp unreliable?

543




One way of securing a network is through the use of passwords. What can be considered as good passwords?

111

According to you which is the most important OSI layer?

627

Does netflix use udp or tcp?

628

What is the difference between udp socket and tcp socket?

676

Can you please explain the difference between csma/cd and csma/ca?

631

What is the full form of osi and tcp/ip model?

637

if the server has slow how to check the server performance? How to check server performance what is the procedure?

1409

Which layer is used to convert packets to frame

1143

what is the maximum segment length of a 100base-fx network?

137

How do I check if port 22 is open?

665

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