VU Final Term Past Papers
167 solved final term past paper MCQs for CS610 (Computer Networks) at Virtual University, each with the correct answer marked. Use them to learn the VU question style and test your recall. An independent study tool — not affiliated with VU.
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Q1. An interface for thin Ethernet must have an ____________ connector, and must generate signals according to the_____________ specification.
Q2. A system with redundant bridges might have a problem with_______ in the system.
Q3. A Bridge can ________
Q4. ________ 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.
Q5. ATM assigns each VC a _____________ identifier that is divided two parts to produce a hierarchy.
Q6. ________ of TCP/IP layering model, corresponds to basic network hardware.
Q7. _________ places the boundary between the second and third octets
Q8. UDP and TCP are both_________ layer protocols
Q9. Connection-oriented service, Point-to-point, Complete reliability, Full-duplex communication, Stream interface, Reliable connection startup and Graceful connection shutdown are the services provided by---------------.
Q10. _______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
Q11. _____________identifies which application program on receiving computer should receive the data
Q12. ________ identifies the application program that sent the data.
Q13. Which of the following are interior routing protocols?
Q14. The Border Gateway Protocol (BGP) uses_________ for all communication
Q15. __________measures distance in network hops, where each network between the source and destination counts as single hop.
Q16. OSPF is based on--------
Q17. _________ performs local multicast and uses IP-in-IP encapsulation to send multicast datagrams from one site on the Internet to another.
Q18. The length of time required to send a variable length packet is variable and does not require a complicated interrupt scheme to detect completion of transmission.
Q19. NEXT HEADER field in the base header defines type of header and it appears at end of fixed- size base header.
Q20. Although message exchange can be used to bind addresses, sending a request for each binding is hopelessly inefficient.
Q21. Address mask defines how many bits of address are in suffix.
Q22. A computer attached to a given network can only communicate with other computers attached to the same network. Is this a problem with multiple networks?
Q23. In the 1970s large organizations began to acquire multiple networks. Each network in the organization formed island. Employees needed to choose a computer appropriate for each task. So they needed multiple screens, keyboards and computers.
Q24. The term self-identifying is used for Classful IP addresses because the class of the address can be computed from the address__________.
Q25. In which method of Address Resolution Protocol the protocol address independent of hardware address? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q26. In which method of Address Resolution Protocol the protocol address is determined by hardware address? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q27. Reconstruction of original datagram is called reassembly.
Q28. A computer needs a complete stack of protocols to run either a client or a server.
Q29. TCP uses _______ mechanism to control the flow of data.
Q30. In Direct point to point communication adding the Nth computer requires------------ new connections.
Q31. In -------------, network occupies the smaller area like a room a floor or a building
Q32. The third field of the header consists of ------ bit Ethernet frame type.
Q33. The maximum size of an Ethernet segment is
Q34. The network with Throughput T and Delay D has a total --------------- bits in transit at a time.
Q35. ___________ places the boundary between the first and second octets
Q36. Router detects datagram --------- than network MTU and then it splits into pieces and each piece is ----------than outbound network MTU.
Q37. Connectionless service, Message-Oriented protocol, best-effort delivery service, arbitrary interaction & operating system independent are the characteristics of ___________________
Q38. ----------- provide Application to application communication it also called end to end communication
Q39. A routing table contains_______
Q40. Which of the following protocols allows the sender and receiver to enforce polices.
Q41. _______ includes a 32-bits address mask with each address, which allows the address to be classful, classless, or subnetted.
Q42. One repeater ---------------, two repeaters --------------- the maximum cable length limitation.
Q43. ICMP message transport is acted upon by getting ICMP encrypted in IP.
Q44. Like most application programs, a client and server use a transport protocol to communicate.
Q45. Mapping between a protocol address and a hardware address is called Address Resolution.
Q46. A single networking technology is best for all needs.
Q47. Router detects datagram---------than network MTU
Q48. Information can flow in either or both direction between
Q49. UDP offers application programs a Message-Oriented Interface, applications can depend on protocol to preserve data boundaries.
Q50. In case TCP, retransmission, acknowledgment from a computer on LAN are expected to arrive within
Q51. Twice NAT is another variant of NAT. it is used with site that runs server. In this process NAT box is connected to Domain Name.
Q52. A network uses a ------arranges for computers to be connected in a closed loop.
Q53. Protocol addresses are abstractions provided by ___________.
Q54. In Point-to-Point topology there are two topologies.
Q55. CRC can detect more errors than a simple checksum.
Q56. Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.
Q57. ________ computes shortest paths in a graph by using weights on edges as a measure of distance.
Q58. Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a _____.
Q59. _______ protocol of TCP/IP layering model specify how to ensure reliable transfer.
Q60. An Internet Address (IP address) is a unique __________ binary number assigned to a host and used for all communication with host
Q61. The address __________ identifies the physical network to which the computer is attached, while the _______ identifies an individual computer on that network.
Q62. ___________ places the boundary between the third and fourth octets.
Q63. ________ field of header indicates whether a datagram is a fragment or a complete datagram.
Q64. ______ provides connectionless service.
Q65. These packets serve same purpose on ________ as frames on ______
Q66. The term self-identifying is used for Class full IP addresses because the class of the address can be computed from the address__________.
Q67. Find the class of the address. 10100111 11011011 10001011 01101111
Q68. Find the class of the address: 11110011 10011011 11111011 00001111
Q69. Which method of Address Resolution Protocol requires hardware broadcast? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q70. Which method of Address Resolution Protocol resolution with minimum delay? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q71. In which method of Address Resolution Protocol the implimentation is more difficult? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q72. On of the design goals for unicast route propagation is __________.
Q73. Propagation multicast routing information differs dramatically from unicast route propagation?
Q74. In IPv6 the type of address used for collection of computers with same prefix. Are known as_________. ► Anycast
Q75. Special types of addresses in IPv6 used for multiple destinations; possibly not at same site. Are known as_________.
Q76. Reliability is the responsibility of the _________ layer
Q77. FDDI can transmits data at a rate of ----------
Q78. Computer networks are often called --------------- because they use packet technology.
Q79. An ------------method, the network hardware designers specify how type information is included in the frame and the value use to identify various frame types.
Q80. A Bridge forwards or filters a frame by comparing the information in its address table to the frame’s_________
Q81. When an application--------------- data, it makes a copy of the data available to all other computers on the network.
Q82. Ethernet uses a ------- bit static addressing scheme in which each device is assigned a unique address by the manufacturer.
Q83. The product of delay and throughput measures the of data that can be present on the network.
Q84. Connectionless service, Message-Oriented protocol, best effort delivery service, arbitrary interaction and operating system independent are the characteristics of _____________
Q85. --------------------serve same purpose in internet as frames on LAN.
Q86. A ---------- Relies on the hardware manufacturer to assign a unique physical address to each network interface.
Q87. Class A mask is 255.0.0.0 which is used for------------------------.
Q88. In which method of Address Resolution Protocol the protocol address independent of hardware address?
Q89. In which method of Address Resolution Protocol the protocol address is determined by hardware address?
Q90. ____________ uses distance vector approach to define routing
Q91. Whenever it handles a packet, IP software needs to separate the destination address into a _________ and ___________.
Q92. ARP is almost always used to bind a ___-bit IP address to a ___-bit Ethernet address.
Q93. Which method of Address Resolution Protocol is useful with any hardware?
Q94. We use the term _______ to refer to a measure of the path that routing software use when choosing a route.
Q95. _______ is ideal in a situation where the group is small and all members are attached to contiguous Local Area Networks.
Q96. Router that decrements TTL to __ sends ICMP time exceeded message, with router’s address as source address
Q97. Which method of Address Resolution Protocol is useful with any hardware? Were "T" stands for Table lookup, "C" for Closed-form Computation and "D" for Data Exchange?
Q98. To save traffic, an EGP does not summerize routing information from the autonomous system before passing it to another autonomous system.
Q99. LAN that use ATM technology have a -------------
Q100. End-to-end delivery service is connection oriented.
Q101. _______ can be used to propagate information about remote networks.
Q102. ________ protocol is designed to use within an organization.
Q103. NAPT stands for ________________
Q104. In dynamic routing, the routing table is initialized when system boots.
Q105. OSPF includes ________ address mask with each address.
Q106. Twice NAT fails if an application uses the IP addresses instead of Domain Name.
Q107. _________ uses window mechanism to control the flow of data.
Q108. IGPs stand for _________
Q109. ________ protocol uses distance vector algorithm.
Q110. Network Address Translation (NAT) requires device to perform packet
Q111. The number of connections needed for N computer in direct point to point communication is equal to:
Q112. Hardware that calculates a CRC uses two simple components.
Q113. Inside computer each address are stored as a ----------------------bit value.
Q114. In ______________, the protocol address assigned to a computer is chosen carefully so that computer’s hardware address can be computed from the protocol address using basic Boolean and arithmetic operations.
Q115. Which statement is correct about Network Interface Card (NIC)? I. NIC contains sufficient hardware to process data independent of system CPU II. NIC looks like any other I/O device to system CPU III. NIC also receives interrupt on incoming data.
Q116. While transmitting data from source A to destination B, 4 bits are changed during the transmission then the error is a _________.
Q117. The switch that has no attached computers is called __________.
Q118. ________ is the most popular wiring scheme because of lowest cost.
Q119. In _________ technique, all members of the network can send data only on the specific time slot?
Q120. Missing ______ in a frame format indicates receiving computer missed beginning of the message.
Showing the first 120 of 167 MCQs.