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  • 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.