Q.1
NAT stands for .
  • network address transformer
  • network address translator
  • network address translation
  • Both B and C above
Q.2
Which of the following are transport layer protocols used in networking?
  • tcp and ftp
  • udp and http
  • tcp and udp
  • http and ftp
Q.3
Which of the following field in IPv4 datagram is not related to fragmentation?
  • flags
  • offset
  • tos
  • identifier
Q.4
In wireless network an extended service set is a set of ________
  • connected basic service sets
  • all stations
  • all access points
  • connected access points
Q.5
A device used to connect two networks that have different protocols.
  • A Gateway
  • A Bridge
  • A Switch
  • A Server
Q.6
Multiple object can be sent over a TCP connection between client and server in
  • persistent http
  • nonpersistent http
  • both (a) and (b)
  • none of the mentioned
Q.7
The values GET, POST, HEAD etc are specified in ____ of HTTP message
  • request line
  • header line
  • status line
  • entity body
Q.8
Match the following:(P) SMTP (Application layer(Q) BGP (Transport layer(R) TCP (Data link layer(S) PPP (Network layer(Physical layer
  • P – 2 Q – 1 R – 3 S – 5
  • P – 1 Q – 4 R – 2 S – 3
  • P – 1 Q – 4 R – 2 S – 5
  • P – 2 Q – 4 R – 1 S – 3
Q.9
_______ can detect burst error of length less than or equal to degree of thepolynomial and detects burst errors that affect odd number of bits.
  • Hamming Code
  • CRC
  • VRC
  • None of the above
Q.10
With an IP address of 201.142.23.what is your default subnet mask?
  • 0.0.0.0
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
Q.11
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
  • CSMA/CD
  • Token passing
  • Collision detection
  • Time sharing
Q.12
Which of the following system calls results in the sending of SYN packets?
  • socket
  • bind
  • listen
  • connect
Q.13
_______ assigns a unique number to each IP network adapter called the MAC address.
  • Media Access Control
  • Metro Access Control
  • Metropolitan Access Control
  • Both B and C above
Q.14
__________ is a standard suite of protocols used for packet switching across computer networks.
  • x.22
  • x.23
  • x.25
  • x.26
Q.15
A stream socket provides _________ communications between a client and a server
  • One way
  • Two way
Q.16
What is the difference between ring and bus topology?
  • In Ring, all nodes are connected with another in a loop while in the bus they are connected to a central cable
  • In Ring, all nodes are connected with another loop while on a bus they are connected to a central cable
  • In the bus, all nodes are connected with another in a loop while instar they are connected to a central node
  • In Bus all nodes are connected with another loop while instar they are connected to a central cable
Q.17
What is the network ID for a computer whose IP address is 190.148.64.23?
  • 190
  • 190.148
  • 190.148.64
  • None of the above
Q.18
Determine the maximum length of the cable (in km) for transmitting data at a rate ofMbps in an Ethernet LAN with frames of size 10,bits. Assume the signal speed in the cable to be 2,00,km/s.
  • 1
  • 2
  • 2.5
  • 5
Q.19
Piconets in the blue tooth a minimum of two and a maximum of ____________ Bluetooth peerdevices.
  • five
  • eight
  • nine
  • four
Q.20
Which of the following below is a loopback IP address?
  • 127.0.0.0
  • 127.0.1.1
  • 127.0.1.0
  • 127.0.0.1
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