Thursday, 17 May 2018

CS610-Computer Networking Quiz MCQs Lecture 1-22 Midterm Objective Questions | SUPERSTARWEBTECH



CS610-Computer Networking Quiz  MCQS #Objective #Questions #Midterm


1. Program sends a message to a remote computer and reports whether the computer responds.
  • Ping
  • Trace Route ✔
  • ICMP
  • None
2. ___ was especially concerned about the lack of high powered computers.
  • ARPA✔
  • IEEE
  • EIA
  • None
3. ____ have advantages arisen from the size and ease of computation.
  • CRC
  • Parity✔
  • Checksums
  • None
4. Formally named ___ informally known as the twisted pair Ethernet or TP Ethernet.
  • 10base2
  • 10base5
  • 10baseT✔
  • None
5. In p-2-p topology there are two topologies.
  • Star & Tree✔
  • Tree & Ring
  • Star & Ring
  • None
6. ___ has no way to determine the cause of the problem.
  • ICMP
  • Ping✔
  • Trace route
  • None
7. The term ___ refers to the general concept of a small block of data.
  • Packet✔
  • Frame
  • Data
  • None
8. Local Talk is a LAN technology that employs ___.
  • Bus topology✔
  • Ring topology
  • Star topology
  • None
9. The maximum size of an Ethernet segment is ____
  • 250 meters
  • 500 meters✔
  • 700 meters
  • None
10. A network uses a ___ if all computers attach to a central point.
  • Star Topology✔
  • Ring topology
  • Bus Topology
  • None
11. An ___ method, the network hardware designers specify how type information is included in the frame and the value use to identify various frame types.
  • Explicit frame type✔
  • Ideal frame type
  • Implicit frame type
  • None
12. The Fast Ethernet hardware operates at a rate of ___.
  • 10Mbps
  • 100Mbps✔
  • 1000Mbps
  • None
13. In ___ network occupies larger areas like cities & countries.
  • LAN
  • WAN✔
  • MAN
  • None
14. In___ network occupies the smaller area like a room, a floor or a building.
  • LAN✔
  • WAN
  • MAN
  • None
15. A ___ provide a mechanism that a customer can use to set a physical address.
  • Static addressing scheme
  • Configurable addressing scheme✔
  • Dynamic addressing scheme
  • None
16. A network that uses ___ usually consists of a single long cable to which computer attach.
  • Star topology
  • Ring Topology
  • Bus topology✔
  • None
17. Star topology is the kind of:
  • Tree topology
  • P-2-P topology✔
  • Broadcast topology
  • Ring topology
18. Fixed network is a type of networks which is classified with respect to the ___ factor.
  • Size
  • Connectivity
  • Medium
  • Mobility✔
19. A network uses ___ to arrange computers to be connected in a single closed loop.
  • Star topology
  • Dual ring topology
  • Ring topology✔
  • Bus topology
20. Hardware that calculates a CRC uses two simple components.
  • AND unit and XOR unit
  • Shift register and XOR unit✔
  • shift register & AND unit
  • shift register and shift XOR unit
21. Some applications have large data transfer. In this way they hold the network for long time. This problem can be eliminated by:
  • Divide the application into small block or chunks called Packets.
  • Divide the application into small block or chunks called segments.
  • Divide the data into small block or chunks called segments.
  • Divide the data into small blocks or chunks called packets.✔
22. For how much time would other computers be in wait while one computer was transferring 56MB file with packet size of 1000 bytes and transmission speed of 56Kbps.
  • 0.143 sec✔
  • 0.243 sec
  • 0.343 sec
  • 0.443 sec
23. LAN that use ATM technology have a ___
  • Bus topology
  • Star topology✔
  • Ring topology
  • Mesh topology
24. FDDI can transmits data at a rate of
  • 3Mbps
  • 1000Mbps
  • 10Mbps
  • 100Mbps✔
25. The Ethernet standard specifies that frames are sent using the ___
  • Differential Manchester
  • Non-Return to Zero(NRZ)
  • Manchester Encoding✔
  • Return to Zero (RZ)
26. LAN interface may use ___ to copy frame data directly from main memory.
  • DMA✔
  • FDDI
  • CSMA/CD
  • None
27. LAN and WAN are classified according to their:
  • Size✔
  • Connectivity
  • Medium
  • Mobility
28. For how much time would other computers be in wait while one computer was transferring 5MB file with transmission speed of 56Kbps
  • 10min
  • 11min
  • 12 min✔
  • 13min
29. ___ network topology is a bus but wiring topology is a star.
  • 10Base-T✔
  • Ring
  • 10Base-W
  • Star
30. ____ is effectively a very short Ethernet with very long AUI cables. It can be connected into larger Ethernet.
  • RJ-45
  • HUBS
  • 10BASE-T✔
  • None
31. A ___ relies on the hardware manufacturer to assign a unique physical address to each network interface.
  • Static addressing scheme✔
  • configurable addressing scheme
  • dynamic addressing scheme
  • None
32. In direct p-2-p communication adding the nth computer requires ___ new connections.
  • N^2
  • (N^2-N)/2
  • N-1✔
  • None
33. The third field of the header consists of ___ bit Ethernet frame type.
  • 48
  • 32
  • 16✔
  • 8
34. The gigabit ethernet hardware operates at a rate of ___.
  • 10Mbps
  • 100Mbps
  • 1000Mbps✔
  • None
35. The number of connections needed for N computers in direct p-2-p communication is equal to:
  • N^2
  • N-1
  • (N^2-N)/2✔
  • None
36. Computers attached to an Ethernet use___ in which a computer waits for the Ether to be idle before transmitting a frame.
  • CSMA/CD✔
  • CSMA/CA
  • TOKEN PASSING
  • CSMA
37. Computer networks are classified by ___ factors.
  • 2
  • 3
  • 4✔
  • 5
38. NIC connection in a physical network is known as ___.
  • LAN wiring scheme✔
  • WAN wiring scheme
  • Color wiring scheme
  • None
39. Thick Ethernet is known as ___.
  • 10base2
  • 10base5
  • 10baseT✔
  • All of the above
40. Point-to-point topology is:
  • Size based
  • Mobility based
  • Connectivity based✔
  • Medium based
41. No Error detection scheme is perfect because transmission errors can affect ____.
  • Data✔
  • Additional information
  • Additional information & data
  • Transmission medium
42. Which one is incorrect statement?
  • Hub wiring centralizes electronics and connection. It makes management easier
  • No transceiver allows computers to be powered off or disconnected from network without distracting other communication✔
  • Transceiver may be located in an inconvenient place in any situation
  • None of these
43. Most LANs that employ ring topology use an access mechanism known as___
  • CSMA/CD
  • CSMA/CA
  • CSMA
  • TOKEN PASSING✔
44. A ___ provides mechanism that automatically assignes a physical address to a station when the station first boots.
  • Static addressing scheme
  • Configurable addressing scheme
  • Dynamic addressing scheme✔
  • None
45. Ethernet uses a ___ static addressing scheme in which each device is assigned a unique address by the manufacturer.
  • 8
  • 32
  • 48✔
  • 64