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Wednesday 08th September 2010
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Basic Concepts
What are the seven layers of the OSI model?
Name the seven layers of the OSI Model and describe them briefly.
What is (Wireless / Computer) Networking?
What is Wireless Computer Networking?
Network Protocols?
Wired vs Wireless Networking
How is Network Performance Measured?
Is there any difference between bps (small b) and Bps (capital b)?
Definition: HTTP -
What is the difference between a client and a server, and what is client/server networking?
What is peer-to-peer networking?
What is an intranet?
Who Created the Internet Network?
Router
Hub
The Physical Layer
Physical layer
Some name of physical layer
Introduction to Hubs
Ethernet
What are the types of Transmission media?
Teh Data Link Layer
What is the difference between a hub and a switch? Which one is better for my network?
LAN - Local Area Network
Data Link layer
Some name of datalink layer
WAN - Wide Area Network
Virtual LANs (VLANs)
what is the advantage and disadvantage of local area networks?
Can we use static and dynamic routing in one network?
What is a Bridge? When is it used? How is a bridge configured? What are the software and hardware components of a bridge?
The Network Layer
Network layer
Name of some Network layer
What is a port number?
What are the types of protocols and what are its functions and for what purpose this protocol is used give me a brief
IP address
What is the difference between physical address and logical address?
Router
What is the difference between TCP and UDP?
What is a router? What is a gateway?
In the TCP client-servel model, how does the three-way handshake work in opening connection?
What is the purpose of exchanging beginning sequence numbers during the the connection in the TCP client-server model?
How does Asynchronous Transfer Mode (ATM) work?
Given a Class B Network with subnet mask of 255.255.248.0 and a packet addressed to 130.40.32.16, what is the subnet address?
What are the 3 major classes of IP network?
What is a Class D IP address
What addresses do multicast start with?
What is OSPF?
What is BGP?
Define an autonomous system?
What does the Ether type code do?
Dial on demand?
How many bytes in an IPX network address?
What is LANE? Why is it necessary?
What are the differences between a meshed and a star topology? Describe some of the advantages and disadvantages of each in a WAN context.
What are the minimum and maximum sizes of packets in an 802.3 Ethernet protocol?
What is the difference between TCP/IP host name and netBIOS host name?
What is Ipsec tunneling, how it works?
What is piggy backing?
Which protocol is used for retrieving mails?
you are given the IP address can u tell how many computers can be connected?What do you look at?
Describe a 3-way TCP/IP Handshake?
Under what situations a packet can go into infinite loop in a network ?
Name any field of IP header that can prevent a packet to loop infinitely ?
What is MTU of a link ?
What is fragmentation of a packet ?
What is the default subnet mask for an ipv6 address ?
What is RAID?
What is the Network Time Protocol?
What is subnetting? why is it used?
What are the important topologies for networks?
What is Beaconing?
What is frame relay, in which layer it comes?
How Gateway is different from Routers?
What are the different type of networking / internet working devices?
What is mesh network?
What is Bandwidth?
What is ICMP?
The Transport Layer
Transport layer
name of some Transport layer
What is the 5-4-3-2-1 rule of network design?
Describe how data can be effectively communicated from the transmitter to the receiver?
What is the difference between POP3 and IMAP Mail Server?
What is the difference between collision domain and broadcast domain?
What is difference between baseband and broadband transmission?
What are the possible ways of data exchange?
What is point-to-point protocol?
What are the two types of transmission technology available?
The Application Layer
Application layer
HTTP
FTP
TELNET
What the difference between DNS and WINS?
What are the Advantages and Disadvantages of DHCP?
What is the main purpose for creating this OSI Reference Model ? Why it is a layered model?
What is terminal emulation, in which layer it comes?
Network Security
what is Firewall ?
Network Firewalls and Broadband Routers
Network Firewalls and Proxy Servers
what do hardware firewalls do exactly?
Which home computers need antivirus (and/or firewall) software?
Network Programming
What is a socket?
Types of sockets
How to Creat sockets
Associating a socket with a connection
How to do Sending and receiving data over a socket
How to do Closing a socket.
What is Address Resolution
How do we do Address Formation in socket
how we do Byte Ordering
what is Internet Addresses ?
Internet protocols
name out some of the Internet protocols, and explain briefly each one of them:
what are 'well known ports' across Internet
Byte Order,Big Endian,Little Endian
Roles of Clients in scoket
Roles of Servers
pesudo code of Single Client Servers
code of Single Client Servers
pesudo code of multi Client Servers
Code of multi-client server
Name of Internet Clients
Name Internet Servers
What does a socket consists of?
CrackTheIntervew.NET
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