Networking interview Questions

     * 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
    * What is a Management Information Base (MIB)
    * What is anonymous FTP and why would you use it?
    * What is a pseudo tty?
    * What is REX?
    * What does the Mount protocol do ?
    * What is External Data Representation?
    * What is the Network Time Protocol?
    * 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 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)?
    * 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?
    * 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 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?
    * What are the types of Transmission media?
    * What is point-to-point protocol?
    * What are the two types of transmission technology available?
    * Difference between the communication and transmission?
    * What is a different between switch and Hub?
    * What are the Advantages and Disadvantages of DHCP?
    * What is Recovery Console?
    * What is ERD(Emergency Repair Disk)?
    * What is the difference between POP3 and IMAP Mail Server?
    * what is .ost file?
    * Whatz the difference between DNS and WINS?
    * How can we create VPN to connect to branch office of the same office.what would be the priliminary requirment?
    * Why should we care about the OSI Reference Model ? What is the main purpose for creating this osi model? why it is a layered model?
    * What is layer-3 switch?
    * What is an email client? what is differnce between email client and web mail?
    * what is the vlan ? how it is work?
    * Name three network tools used to determine where a network connectivity is lost between two sites A&B.
    * Which protocol is used for retrieving mails?
    * What is piggy backing?
    * What is the default subnet mask for an ipv6 address ?
    * What is fragmentation of a packet ?
    * What is MTU of a link ?
    * Name any field of IP header that can prevent a packet to loop infinitely ?
    * Under what situations a packet can go into infinite loop in a network ?
    * Describe a 3-way TCP/IP Handshake.