Sunday, 22 February 2015

Computer Networks – CS610 Final term paper 2015

Question 1:- If a computer had a power failure during the transmission of packet, then ………….. will be missed & transmission will be ……………..

· Eot, complete
· Soh incomplete
· Soh, complete
· Eot, incomplete

Question 2:- For a twisted pair Ethernet, we use …….. connecter & the operation will be on …………… based network.
  • RJ-45, Thinnet
  • AUI, Thicknet
  • RJ-45, 10BASE-T
  • BNC, 10BASE-5
Question 3:- Bridges work on ……….. layer(s).
  • Network
  • Data Link
  • Transport & Physical
  • None of these
Question 4:- Networks are ………. By size.
  • 1
  • 3
  • 2
  • 4
Question 5:- Most frequently, the …….. pair is treated as just a single connection identifier by computers.
  • 21-bit
  • 22-bit
  • 23-bit
  • 24-bit
Question 6:- …….. program sends a message to a remote computer and reports whether the computer responds.
  • PING
  • Trace Route
  • ICMP
  • None of these
Question 7:- CRC uses two hardware components that are…………… & …………..
  • Shift Reisters & NOR Unit
  • NAND Unit & XOR Unit
  • Shift Register & XOR Unit
  • None of these
Question 8:- In Direct point-to-point communication, numbers of connections of for all computers can be determined with …….
  • N-1
  • (N^2-N)/2
  • N^2
  • None of these
Question 9:- Most LANs that employ ring topology use an access mechanism known as ……
  • CSMA/CD
  • CSMA/CA
  • TOKEN PASSING
  • None of the given
Question 10:- Fiber distributed data interconnect (FDDI) uses fiber optics between stations and transmits data at ……..
  • 10 million bits per second
  • 1000 million bits per second
  • 100 million bits per second
  • 3 million bits per second
Question 11:- In which category the hardware manufacturer assigns permanent physical address to each network interface?
  • Static Addressing
  • Dynamic Addressing
  • Configurable Addressing
  • None of these
Question 12:- The Ethernet that uses thin coaxial cable wiring is called ………… & sometimes known as ………….
  • Thicknet,10BASE-2
  • Thinnet,10BASE-5
  • Thinnet, 10BASE-2
  • Thicknet, 10BASE-T
Question 13:- NIC contains sufficient hardware to process data independent of system CPU; in which some NICs contain separate ………….
  • Memory
  • Cache
  • CPU
  • Microprocessor
Question 14:- A system with redundant bridges might have a problem with ………. in the system.
  • Loop
  • Filters
  • Spanning Trees
  • All given choices
Question 15:- ……….. is used for typical data applications (where the data rate may be unknown and bursty) and allows use of whatever bandwidth is available at a given time.
  • ABR
  • VBR
  • CBR
  • UBR
Question 16:- ………… is used for audio and video, since these have predefined maximum data rates.
  • ABR
  • VBR
  • CBR
  • UBR
Question 17:- A network with throughput T and delay D has a total of ……….. bit in transit at any time.
  • T / D
  • T x D
  • T + D
  • None of the given
Question 18:- Delay among the packets can vary.
  • True
  • False
Question 19:- Dividing data into small packets allow……...
  • FDM
  • TDM
  • WDM
  • PDM