MIT 3031-MQP.pdf

7/27/2019 MIT 3031-MQP.pdf

1/14

Model Question Paper

Subject Code: MIT3031 Subject Name: High Speed Networks

Credits: 4 Marks: 140

Part A (One mark questions)

1. Traffic isolation and traffic engineering provides ____________________.(a) Circuit switching(b) Network switching(c) Packet switching(d) None of above

2. Routing is the process of _______________in a network along which to send

network traffic.

(a) Application

(b) Switching Technique

(c) Selecting paths

(d) None of the above

3. An X.25 packet contains how many bytes of data? _____________

(a) 124 bytes

(b) 128 bytes

(c) 126 bytes

(d) 220 bytes

4. Asynchronous transfer mode does the data transfer in the form of _____________.

(a) Indirect chunks

(b) Direct chunks

(c) Direct and indirect chunks


5. Information flow in Asynchronous transfer mode is organized in the form of

_____________ packets, and we are called as ___________

(a) Fixed size data, roots

(b) Fixed size packets, roots

(c) Fixed size data, cells

(d) fixed size packets, cells

6. In ___________________method high priority packets can be sent first.

(a) Circuit switching

(b) Network switching

(c) Packet switching


7/27/2019 MIT 3031-MQP.pdf

2/14

7. In ______________________mode cell header is composed of SIX elements.

(a) Synchronous transfer

(b) Asynchronous transfer

(c) Data transfer(d) None of the above

8. Fast Ethernet supports a maximum data rate of ___________.

(a) 100 Mbps

(b) 100 Kbps

(c) 120 Mbps

(d) 120 Kbps

9. The Gigabit Media Independent Interface is an interface found between the

___________________________________.

(a) Media interface control layer and transport layer(b) Media access control layer and transport layer

(c) Media information control layer and physical layer

(d) Media Access Control layer and the Physical layer

10. ____________________Control needs to provide services to the network layer.

(a) Logical link

(b) Data link

(c) Address link


11. User-network information exchange is also called as ___________________.(a) Virtual circuit connections

(b) Logical connection

(c) Information exchange

(d) Control signaling

12. ___________________________ provides a uniform interface to the Reconciliation

sub-layer for all physical media.

(a) Media Access Control layer

(b) Physical Medium Dependent sub-layers

(c) Physical coding sub-layer

(d) Logical Link Control layer13. ATM does the data transfer in the form of _________________.

(a) Discrete chunks

(b) Normal chunks

(c) Indiscreet chunks


14. _________ represents the set of ATM service categories.

(a) ABR

(b) FBR

(c) GFR


15. Network Attached Storage servers usually support _____________________levels.

7/27/2019 MIT 3031-MQP.pdf

3/14

(a) RAID 0, RAID 1, RAID 2 and RAID 3.

(b) RAID 2, RAID 3, RAID 4 and RAID 5.

(c) RAID 1, RAID 2, RAID 3 and RAID 5.

(d) RAID 0, RAID 1, RAID 4 and RAID 5.

16. The main task of AAL is _________________________

(a) Transferring and retrieving

(b) Segmentation and reassemble

(c) Combining and dividing


17. For receive and transmit data paths the Gigabit Media Independent Interface have

______ capacity

(a) 4 bit

(b) 8 bit

(c) 6 bit

(d) 12 bit

18. The development of Wi-Fi technology commenced in ___________ year.

(a) 1995

(b) 1996

(c) 1997

(d) 1998

19. The technologies for wireless LANs are specified by the _________________ group

of standards. (Pick the right choice).

(a) IEEE 803.11

(b) IEEE 802.11

(c) IEEE 802.22

(d) IEEE 803.22

20. Which is NOT a property ofcongestion control mechanism

(a) Efficiency

(b) Fairness

(c) Stability

(d) Security

21. Jackson's theorem was given by _____________________.(a) Jorge R. Jackson

(b) James R. Jackson

(c) James G. Jackson

(d) Jorge G. Jackson

22. _____________layer provides information about IP and IPX protocols

(a) Logical Link Control

(b) Media Access Control

(c) Physical Coding Sub-layer

(d) Physical Media Attachment

7/27/2019 MIT 3031-MQP.pdf

4/14

23. Which is NOT a WLAN component

(a) User devices(b) Radio NICs(c) Applications(d) Routers

24. A signal which has all its values fixed is known as ______________.

(a) Deterministic signal

(b) Distributed signal

(c) Data transfer signal

(d) Direct signal

25. The subscribers of frame relay are engaged in negotiations on

________________________ with the service provider.

(a) Network capacity

(b) Committed Information Rate

(c) Dropping frames

(d) Network resources.

26. _______________________ ARQ approach is the most efficient of all ARQ

approaches.

(a) Selective-repeat

(b) Stop-and-wait ARQ

(c) Go-Back-N ARQ(d) Continuous ARQ

27. In TCP flow control, window field provides a maximum window size of_______ bytes

(a) 65,455

(b) 65,535

(c) 65,545

(d) 65,435

28. Which among the following is considered as the simplest heavy-tailed distribution?

(a) Jordan theorem

(b) John bell theorem

(c) Jacksons theorem

(d) Jacobi theorem

29. When the overall demand of a resource exceeds its capacity is termed as

____________.

(a) Signaling

(b) Effects of Congestion

(c) Congestion

(d) None of above

7/27/2019 MIT 3031-MQP.pdf

5/14

30. TCPs 16-bit window field provides a maximum window size of ___________ bytes

(a) 65,445(b) 64,430(c) 65,535

(d) 64,47531. Both the sender and the _____________________ play a major role in determining

the transmission rate of data flow.

(a) Receiver

(b) Network

(c) Router

(d) Retransmission timer

32. ____________________ value depends on the round-trip timer

(a) Keep alive timer

(b) Delayed ACK timer

(c) Retransmit timer

(d) Probe timer

33.____________is defined in reference to a particular service class

(a) Resource

(b) Efficiency

(c) Fairness

(d) Service

34. GCRA stands for _________________________________.

(a) General Cell Rate Algorithm

(b) Geographical Cell Rate Algorithm

(c) Guaranty Cell Rate Algorithm

(d) Generalized Cell Rate Algorithm

35. _______________ is the fundamental property of any control system.

(a) Stability(b) Data

(c) Networking


36. Identify the recently developed window management technique that has started to

show up in TCP implementations.

(a) Limited transmit

(b) Fast recovery

(c) Fast retransmit

(d) Slow start

7/27/2019 MIT 3031-MQP.pdf

6/14

37. _____________________ technique is to use the available capacity in a network as

much as possible and react to congestion in a controlled way.

(a) Implicit congestion avoidance

(b) Explicit congestion avoidance(c) Both A and B

(d) None of above

38. A _____________is a control packet created at a congested node and sent back to a

source node to control traffic flow.

(a) Choke packet

(b) Data packet

(c) Node address packet

(d) Node data packet

39. _________________is the capability of transmitting a single stream to multiple

subscribers simultaneously.

(a) Single casting

(b) Multi-threading

(c) Multicasting

(d) None of above

40. _________________ uses the reverse-path multicasting (RPM) algorithm to

construct source-based multicast delivery trees.

(a) Distance-Vector Multicast Routing Protocol (DVMRP)

(b) Core-Based Trees (CBT)

(c) Protocol Independent Multicast (PIM)

(d) Border Gateway Multicast Protocol (BGMP)

41. ______________________________ is the measure of maximum number of back-

to-back cells that may be transmitted at the peak cell rate without harming the sustained

cell rate.

(a) Peak Cell Rate

(b) Sustained Cell Rate

(c) Cell Transfer Delay

(d) Maximum Burst Size

42. _______________timer is used to holdup the transmission of ACK packets(a) Delayed ACK

(b) Keep alive ACK

(c) Retransmit ACK

(d) Probe ACK43. _____________________ Control has a major effect on the performance of bursty

traffic if it mainly consists of bursts separated by long idle periods.

7/27/2019 MIT 3031-MQP.pdf

7/14

(a) Closed-loop

(b) Open-loop

(c) Hop-by-hop

(d) Congestion

44. Identify the element of IntServ model whose function is to forward various packets

flows in a manner which ensures that QoS commitments are met.

(a) Packet classifier

(b) Packet scheduler

(c) Flow descriptor

(d) Admission control

45. Identify the network element which is used to specify the allowed traffic pattern into

network.

(a) Tspec

(b) Rspec

(c) Filterspec

(d) Flowspec

46. Identify the ATM service category which receives a capacity of SCR from the

network.

(a) RT-VBR(b) NRT-VBR

(c) UBR

(d) ABR

47. Name the edge function which checks the adherence of flow to the specified traffic

profile.

(a) Marker

(b) Classifier

(c) Metering(d) Shaper

48. Which of the following factors influences the PHB of a specific flow?

(a) Packet loss

(b) Assured forwarding

(c) Expedited forwarding

(d) Best-effort behavior

49. SBM is a signaling protocol that offers a method to map an _____________ protocol

(a) Internet-level setup

7/27/2019 MIT 3031-MQP.pdf

8/14

(b) Intranet-level setup

(c) Extranet-level setup


50. Name the DiffServ model in which the packets from a sender are treated equally.

(a) Structured DiffServ

(b) Flat DiffServ

(c) Direct DiffServ

(d) Indirect DiffServ

Part B (Two mark questions)

51.________________delivers message to a single specified node and _______________

delivers message to all nodes in the network.(a) Multicast and any cast

(b) Unicast and broadcast

(c) Small cast and broadcast

(d) Network cast and protocol cast

52. In Gigabit Ethernet the GMII is the interfaces between __________________ and

_______________.

(a) Data link layer, network layer

(b) Media Access Control layer, Physical layer

(c) Network layer, data transfer layer(d) Media Access Control layer, network layer

53. The GMII offers two media status signals __________________ and _______________.

(a) Presence of carrier, absence of collision.

(b) Application status, data collision

(c) Network structure, data transfer


54. Major factors of congestion are ________________ and ____________________.

(a) Server based, data storage

(b) Application, local area network

(c) Data access, network access

(d) Error prone network, low bandwidth lines55. ATM cell always consists of a ___________header followed by a ___________ payload

(a) 3-byte, 28-byte

(b) 4-byte, 38-byte

(C) 5-byte, 48-byte

(d) 2-byte, 2

7/27/2019 MIT 3031-MQP.pdf

9/14

56. The two categories of Fast Ethernet that have been designed by IEEE are

__________________ and _______________.

(a) 1000BASE-X, 1000BASE-T4

(b) 100BASE-X, 100BASE-T4

(c) 1000BASE-X, 1000BASE-T6

(d) 10BASE-X, 10BASE-T6

57. The internetwork Border Gateway Protocol involves identification of ___________and

the transportation of _________________.

(a) Optimal routing paths, Information groups

(b) Data collection paths, application groups

(c) Structural routing, program groups


58. NAS can increase the availability of data by using __________ or ____________.

(a) SISK, Clustering

(b) RAID, Clustering

(c) RISK, Clustering

(d) None of above

59. In Graph theory - entities of a graph as ____________and the links as _____________.

(a) Rows, columns

(b) Roots, begins(c) Nodes, edges


60. We can represent a graph using either an _____________ or an ____________ matrix.

(a) Adjacency, Incidence

(b) Combining, arithmetic

(c) Rows, adjacent

(d) None of the Above

61. The IP routing process assigns values to different routes, based on the distance between

the ______________and ________________.

(a) Source, destination

(b) Packets, roots

(c) Clients, packets

(d) Server, roots

62. _____________________ Field of the MPLS header has a length of __________ has

the actual value of the MPLS label.

7/27/2019 MIT 3031-MQP.pdf

10/14

(a) Label, 20 bits

(b) Class Of Service (COS), 25 bits

(c) Stack, 30 bits

(d) Time-to-Live (TTL), 35 bits

63. The SBM LAN is made up of __________________ and ______________________.

(a) Many SBM clients, designated SBM

(b) Less SBM clients, delivery SBM

(c) Many SBM servers, designated SBM

(d) Less SBM servers, delivery SBM

64. The SBM protocol operations into two categories ______________ and ____________.

(a) Application design and data control

(b) Installation and executing control

(c) Execution and error handling control

(d) Initialization and admission control.

65. In __________________________ approach for providing multicast under Diffserv, the

multicast information is embedded within the __________ itself as an additional header

element.

(a) Multicast capable core router, header

(b) Multicast non-capable core router, router(c) Encapsulation based, packet

(d) Packet embedding, multicast

66. The group membership protocol is employed by _______________to learn about the

presence of group members on their directly attached to ____________________.

(a) Packets, sub-routers

(b) Routers, sub-networks

(c) Communicators, application


67. IPv4 multicast address range from _____________ to _______________ is reserved for

multicasting

(a) 0.0.0.224 to 255.255.255.239

(b) 239.225.225.255 to 0.0.255.255

(c) 224.0.0.0 to 239.255.255.255

(d) 255.255.239.224 to 225.255.0.0

68. The MTP Packet Format having fourth byte of the transport header includes the sub-

channel value of the__________. And the sub-channel field has a default value of______.

7/27/2019 MIT 3031-MQP.pdf

11/14

(a) Client, zero

(b) Server, one

(c) Client, one

(d) Server, zero

69. SLA between a _________________ and _________________is firstly established and

the corresponding Service Level Specification (SLS) is delivered to the Network Access

Server (NAS).

(a) Service level and database

(b) Data, internet

(c) Application and the Internet provider


70. Assured forwarding is elaborate scheme for managing the _____________and it defines___________ priority classes.

(a) Applications, three

(b) Service classes, four

(c) Network, six

(d) Address, five

71. Packet scheduler algorithms follow different approaches ___________________ and

______________________.

(a) Weighted Fair Queuing (WFQ) and First In First Out (FIFO).

(b) Unweight Fair Queuing (WFQ) and Last In First Out (FIFO).

(c) Condition Fair Queuing (WFQ) and First In Last Out (FIFO).

(d) Process Fair Queuing (WFQ) and Last In Last Out (FIFO).

72. What are the two functions of the RSVP PROTOCOLS?

(a) Information and process State information

(b) Manipulate and Maintain state information

(c) counting and distributing

(d) transfer and loading

73. The ____________________________ and _______________________ are the Intra-

Domain Routing Protocols

(a) Brood Gateway Protocol (BGP) and Intra-Domain Routing Protocol (IDRP).

(b) Base Gateway Protocol (BGP) and Altera-Domain Routing Protocol (IDRP).

7/27/2019 MIT 3031-MQP.pdf

12/14

(c) Border Gateway Protocol (BGP) and Inter-Domain Routing Protocol (IDRP).

(d) Business Gateway Protocol (BGP) and Inactive-Domain Routing Protocol (IDRP).

74. MPLS also provides significant benefits when applied to ________ and

________networks.

(a) ATM and ISDN

(b) FEC and SLS

(c) PRN and IDSN

(d) IDRP and IDSN

75. In multicast group ______________ and ______________ is used to receiving frames

address.

(a) LAN process and process interface card

(b) IP process and network interface card

(c) WAN process and rooter interface card

(d) MAN process and HUB interface card

Part C (Ten mark questions)

1. What is Packet-switching network? Discuss its basic operation

2. What is ATM? Discuss its architecture with suitable diagram

3. Write a short note on the categories of Fast Ethernet that have been designed by

IEEE

4. Explain the Poisson and related processes

7/27/2019 MIT 3031-MQP.pdf

13/14

High-speed networks Answer Key

Part - A

Q. No. Ans. Key Q. No. Ans. Key Q. No. Ans. Key

1 A 21 B 41 D

2 C 22 A 42 A

3 C 23 C 43 B

4 B 24 A 44 B

5 D 25 B 45 A

6 B 26 A 46 A

7 B 27 B 47 C

8 A 28 B 48 A

9 D 29 C 49 A

10 C 30 C 50 B

11 B 31 B

12 C 32 D

13 A 33 C

14 C 34 D

15 D 35 A

16 B 36 A

17 B 37 B

18 C 38 A

19 B 39 C

20 D 40 A

Part - BQ. No. Ans. Key

51 B

52 B

53 A

54 C

55 C

56 B

7/27/2019 MIT 3031-MQP.pdf

14/14

57 A

58 B

59 C

60 A

61 A

62 A

63 A

64 D

65 C

66 B

67 C

68 A

69 C

70 B

71 A

72 B

73 C

74 A

75 B

MIT 3031-MQP.pdf

Documents

Transcript of MIT 3031-MQP.pdf