SWITCHING

Some short questions about switching :

Q.1) Circuit Switching is used for 
           Physical layer

Q.2) A -------- n/w is made of a set of switches connected by physical link in which each link is devided into n channel.

==> Circuit Switched

Q.3) Simplest type of switching fabric is :
==> crossbar switch

Q.4) A ------ switch is a multistage switch with micro switches at each stage that route the packet based on the output port represented as a binary string
==> banyan 

Q.5)which address in the header part of a packet in a datagram n/w normally remain same during the entire journey of the packet?
==> destination address

Q.6) A switch in a datagram n/w uses a routing table that is based on  -------  ?
==>  destination address

Q.7) The network layer in the internet  is designed as a -----?
==>   datagram n/w

Q.8) In a ------- n/w two types of addressing are involved global and local ?
==>    virtual circuit n/w

Q.9) A switched wan is normally implemented as  a ------- n/w ?
==>  virtual circuit

Q.10) ARP is ---- ?
==>  Address Resolution Protocol
A tcp/ip protocol used to dynamically bind a high level ip address to a low level physical hardware address.

Q.11) Which of the following tcp/ip protocol is used for file transfer with minimal capability & minimal overhead ?
==>  TFTP

Q.12)  Ip address can be used to specify a broadcast & map to hardware broadcast if available, by conversion broadcast address has hosted with all bits ?
==>   1

Q.13)   How many class A,B & c networks ID's can exist ?
==> 2,113,658