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Saturday, May 4, 2013

interview questions and answers for networking

Are you a person hoping to make it big in the networking industry? In this post, this category Networking contains the list of all topics related to Networking. Each listed page for Networking contains collection of Interview Questions and Answers / Frequently Asked Questions. We will try to list out and answer some of the common networking questions asked during computer networking interviews.

Here's the commonly asked questions that you must answer correctly to set yourself apart:

Tips for network interview

Take a look at the Spanning Tree and identify which the root bridge is or VTP’s function is;

Consider how to operate VLANs again so that you can explain thoroughly it.

Google Yourself – Type your name in Google search and see if you read about yourself in the result. Then, make sure the result doesn’t backfire on you (there are some tips about fixing the result appearing on Google or elsewhere).

Gain a certificate – certification is always a good thing added up to your qualification;

IP Addressing – there are some buzzwords in Networking Job that you have to understand carefully, or at least know how they functions, such as: subnetting, subnetting without a subnet calculator, bit value, Octet, subnet mask, slashed notion or CIDR, etc;

Make sure you remember administrative distances of all routing protocols;

In addition, make sure you know how to operate simple tasks such as handshakes in TCP, setting up HRSP, IP helpers or VLANs;

Study – the first thing you have to do to prepare for the interview with a Network Firm is to study all you need about Network job. You must first have quite a good understanding of the job before attending its interview.

Update the resume – certainly, you don’t want to take your last resume and apply it for this job, do you? Then, read it again and modify the content to contain suitable information for this new application.

Register an account in social networks – you are applying for a job in a Network firm and you don’t even have a social network account (such as Facebook or Twitter…)? The employer will surely check the web to find your account and see how you work well on that account. Therefore, make sure this doesn’t turn up to be a negative point for you.

List of Networking Interview Questions

  • What is the protocol number for TCP?
  • What do you use the Aux port for?
  • Repeaters work at which layer of the OSI model?
  • WAN stands for which of the following?
  • What ISDN protocol specifies concepts, terminology, and services?
  • LAN stands for which of the following?
  • MIDI and MPEG are examples of what layer of the OSI seven layer model?
  • What is the protocol number for UDP?
  • Which protocol is used for booting diskless workstations?
  • Which layer is responsible for putting 1s and 0s into a logical group?
  • What does ‘P’ mean when running a Trace?
  • UDP works at which layer of the DOD model?
  • What is the default encapsulation of Netware 3.12?
  • Ping uses which Internet layer protocol?
  • Which switching technology can reduce the size of a broadcast domain?
  • DHCP stands for Dynamic Host Configuration Protocol
  • What does the acronym ARP stand for?
  • What is a DNS resource record
  • What protocol is used by DNS name servers
  • What is the difference between interior and exterior neighbor gateways
  • What is the HELLO protocol used for
  • What are the advantages and disadvantages of the three types of routing tables
  • What is a characteristic of Store and Forward switches?
  • What is source route
  • What is RIP (Routing Information Protocol)
  • What is SLIP (Serial Line Interface Protocol)
  • What is Proxy ARP
  • What is OSPF
  • What is Kerberos
  • What is a Multi-homed Host
  • What is NVT (Network Virtual Terminal)
  • What is Gateway-to-Gateway protocol
  • What is BGP (Border Gateway Protocol)
  • What is autonomous system
  • What is EGP (Exterior Gateway Protocol)
  • What is IGP (Interior Gateway Protocol)
  • Which layer is responsible for identifying and establishing the availability of the intended communication partner?
  • Which OSI layer provides mechanical, electrical, procedural for activating, maintaining physical link?
  • What are 10Base2, 10Base5 and 10BaseT Ethernet LANs
  • What is the difference between an unspecified passive open and a fully specified passive open
  • Explain the function of Transmission Control Block
  • Which layer of the 7 layer model provides services to the Application layer over the Session layer connection?
  • What does the Mount protocol do ?
  • What is External Data Representation
  • Which OSI Reference Layer controls application to application communication?
  • Session
  • BOOTP helps a diskless workstation boot. How does it get a message to the network looking for its IP address and the location of its operating system boot files ?
  • What is the minimum and maximum length of the header in the TCP segment and IP datagram
  • What is difference between ARP and RARP
  • What is ICMP
  • What are the data units at different layers of the TCP / IP protocol suite
  • What is Project 802
  • What is Bandwidth
  • Difference between bit rate and baud rate.
  • What is MAC address
  • What is attenuation
  • What is cladding
  • What is RAID
  • What is NETBIOS and NETBEUI
  • What is redirector
  • What is Beaconing
  • What is terminal emulation, in which layer it comes
  • What is frame relay, in which layer it comes
  • What do you meant by “triple X” in Networks
  • What is SAP
  • What is subnet
  • What is Brouter
  • How Gateway is different from Routers
  • What are the different type of networking / internetworking devices
  • What is mesh network
  • What is passive topology
  • What are the important topologies for networks
  • What are major types of networks and explain
  • What is Protocol Data Unit
  • What is difference between baseband and broadband transmission
  • What are the possible ways of data exchange
  • What are the types of Transmission media
  • Difference between the communication and transmission.
  • The Internet Control Message Protocol occurs at what layer of the seven layer model?
  • Which protocol resolves an IP address to a MAC address?
  • What is a Management Information Base (MIB)
  • What is anonymous FTP and why would you use it
  • What is a pseudo tty
  • What is logical link control
  • Why should you care about the OSI Reference Model
  • What is the difference between routable and non- routable protocols
  • What is MAU
  • Explain 5-4-3 rule
  • What is the difference between TFTP and FTP application layer protocols
  • What is the range of addresses in the classes of internet addresses
  • What is the first step in data encapsulation?
  • What is Mail Gateway
  • What is wide-mouth frog
  • What are Digrams and Trigrams
  • What is silly window syndrome
  • What is region
  • What is multicast routing
  • What is traffic shaping
  • What is packet filter
  • What is virtual path
  • What is virtual channel

If you’re seeking a job as a Networking specialist, these questions will help you prepare for the job interview.

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