VU Midterm Past Papers
193 solved midterm 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. No error detection scheme is perfect because transmission errors can affect the additional information as well as the data.
Q2. ------ Program sends a message to a remote computer and reports whether the computer responds.
Q3. ---------- was especially concerned about the lack of high powered computers.
Q4. The term -------- is used to denote the definition of a packet used with a specific type of network.
Q5. Computer networks are often called -------------- because they use packet technology.
Q6. -------------- have advantages arisen from the size and ease of computation.
Q7. Most LANs that employ ring topology use an access mechanism known as-------
Q8. IEEE LLC/SNAP header is --------, which is used to specify the type of data.
Q9. Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.
Q10. An interface for twisted pair Ethernet must have an ____________ connector , and must generate signals according to the_____________ specification.
Q11. A bridges function in the _________ layers(s).
Q12. A Bridge can ________
Q13. A Bridge forwards or filters a frame by comparing the information in its address table to the frame’s_____
Q14. ________ computes shortest paths in a graph by using weights on edges as a measure of distance.
Q15. ___________ is used for audio and video, since these have predefined maximum data rates
Q16. Unlike Frame Relay and ATM, SMDS (Switched multi-megabit Data service) offers_______ .
Q17. A network with throughput T and delay D has a total of ________ bit in transit at any time.
Q18. ATM is designed to work on___________.
Q19. Computers attached to an Ethernet use ------ in which a computer waits for the ether to be idle before transmitting a frame.
Q20. FDDI can transmits data at a rate of ----------
Q21. In Point-to-Point topology there are two topologies.
Q22. ------ has no way to determine the cause of the problem.
Q23. The term----- ------- refers to the general concept of a small block of data
Q24. ---------- scheme, which is designed to help detect transmissions errors, send one extra bit of information with each character
Q25. Local Talk is a LAN technology that employs -------------
Q26. Ethernet uses a ------ bit static addressing scheme in which each device is assigned a unique address by the manufacturer.
Q27. Formally named __________ informally known as the thick wire Ethernet or Thick net.
Q28. The maximum size of an Ethernet segment is___________
Q29. __________is used for compressed audio and video where the data rate depends on the level of compression that can be achieved.
Q30. Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a _____.
Q31. The product of delay and throughput measures the _____ of data that can be present on the network.
Q32. One repeater _______, two repeaters ________ the maximum cable length limitation.
Q33. A network uses a ------ if all computers attach to a central point
Q34. A typical port on an ATM switch operates at __________ or higher.
Q35. Which of the following is a connecting device?
Q36. The third field of the header consists of ------ bit Ethernet frame type.
Q37. An ------------method, the network hardware designers specify how type information is included in the frame and the value use to identify various frame types.
Q38. The Fast Ethernet hardware operates at a rate of --------
Q39. In ---------, network occupies larger areas like cities & countries.
Q40. In -------------, network occupies the smaller area like a room a floor or a building
Q41. ________ has a jitter zero
Q42. ATM assigns each VC a _____________ identifier that is divided two parts to produce a hierarchy.
Q43. Most WAN systems include a mechanism that can be used to eliminate the common case of duplication routing is called___________
Q44. The next hop to which a packet is sent depends only on
Q45. When an application--------------- data, it makes a copy of the data available to all other computers on the network.
Q46. A ---------- provide a mechanism that a customer can use to set a physical address.
Q47. Computers attached to an ether use ------ in which a computer waits for the ether to be idle before transmitting a frame.
Q48. Uses counter rotating rings in which data flows in opposite directions.
Q49. The Ethernet speed was originally 3Mbps, and the current standard is ....... the fast Ethernet operates at 100Mbps.
Q50. Mapping between a protocol address and a hardware address is called .
Q51. Protocols of TCP/IP layering model specify how to organize data into frame and how a computer transmits frames over a network.
Q52. In Closed-form computation, 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 operations.
Q53. As the Internet grew, the original Classful addressing scheme became a limitation. The IP address space was being exhausted because all networks had to choose one of possible sizes.
Q54. Dotted decimal notation is a syntactic form the IP software uses to express binary values when interacting with humans.
Q55. protocols of TCP/IP layering model specify how to ensure reliable transfer.
Q56. In the IP address identifies an individual computer on the network.
Q57. Internet protocol (IP) address version 4 is comprised of bits.
Q58. A separate table is used for each physical network.
Q59. Inside a computer, each address mask is stored as a bit value.
Q60. Dotted decimal represents each octet in and uses a dot to separate octets.
Q61. of TCP/IP Protocol Suit specifies the format of packets sent across Internet as well as the mechanisms used to forward packets.
Q62. The IP class scheme does not divide the address space into equal size class and the classes do not contain the same number of networks.
Q63. of TCP/IP protocol suit defines the basic characteristics of network hardware.
Q64. The protocol address of the next hop must be to an equivalent hardware address before a packet can be sent.
Q65. Address Resolution Protocol is mostly used to bind a 32-bit IP address to an _ Ethernet address.
Q66. TCP/IP defines the term to refer any computer system that connects to a network and runs applications for users.
Q67. are two standard implementations to improve computational efficiency.
Q68. In the IP address identifies the physical network to which the computer is attached.
Q69. In Cyclic Redundancy Checking, CRC is __________.
Q70. The satellite or radio topology in which all computers are connected to each other via satellite or radio wave is a kind of
Q71. Which of the following two operations are performed by Ethernet CD? I. It monitors outgoing signals. II. Grabbled signal is interpreted as a collision. III. Signals are sent back to the sender.
Q72. The process of forwarding a packet is called ____________.
Q73. 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.
Q74. While transmitting data from source A to destination B, 4 bits are changed during the transmission then the error is a _________.
Q75. The switch that has no attached computers is called __________.
Q76. ________ is the most popular wiring scheme because of lowest cost.
Q77. In _________ technique, all members of the network can send data only on the specific time slot?
Q78. The _______ of errors is difficult than the ________ of errors.
Q79. If a sender with a 100 Megabit NIC and receiver with 10 Megabit NIC wants to communicate with each other at which speed they can communicate?
Q80. Missing ______ in a frame format indicates receiving computer missed beginning of the message.
Q81. Source Independence phenomenon allows fast and efficient ____________.
Q82. In distributed route computation process each packet switch computes its routing table locally and sends messages to the __________.
Q83. The ___ layer of the OSI model takes the data from the physical layer and perform error checking.
Q84. CBR stands for _________.
Q85. A network that uses _______ usually consist of a single long cable to which computer attach.
Q86. If simultaneous transmission occurs, the frames interfere with each other and this phenomenon is called _______.
Q87. In __________ all computers are attached to a central hub
Q88. For adding a new computer in a point to point network ______new connection will be required
Q89. The fastest Ethernet hardware operates at a rate of _____
Q90. Which of the following the benefit to point to point communication?
Q91. ATM offers _____speed and ________delay
Q92. Thick Ethernet is known as ___________
Q93. Both interior and exterior switches _______packet and they also need routing tables.
Q94. ______is the rate at which data can be sent through the network
Q95. In a ping command, small –sized information packets of _____are sent.
Q96. Many WANs use ______addressing of efficiency
Q97. Packet switched can be linked together to form a ________
Q98. Fixed network is a type of network which is classified with repect to the factor
Q99. Parity bit can detect _________________error(s)
Q100. When we will try to connect to the internet which of the following protocol will be used?
Q101. How many computers are mandatory to form a network?
Q102. ________ is standard wireless LAN that uses radio signals at 2.4GHz.
Q103. LAN interface hardware obeys ______ access rule.
Q104. The most important task a bridge performs is _________.
Q105. ATM uses small, fixed-sized packets called cells and each cell has _____ octets.
Q106. ___________ can’t be guaranteed with variable length packets as easily as it can with fixed length cells.
Q107. Which multiplexing technique transmits digital signals?
Q108. Connections in Asynchronous transfer mode are called ________.
Q109. A ___ is a device that combines multiple signals and forwards into a single line.
Q110. ___________ is inflexible.
Q111. If a hub is used to connect many computers in a LAN, then only _______ computers can communicate at a given time.
Q112. _________ is the term used for variance in transmission delays.
Q113. ________ is also called self healing network.
Q114. _______ and _______ are the two frame types.
Q115. Bluetooth uses shared medium and _______ instead of coaxial cable.
Q116. As a result of ARPA research, the first network was established which was named as ________.
Q117. Asynchronous transfer mode (ATM) can dynamically establish a __________.
Q118. 10Base-T Ethernet is often called a __________.
Q119. ___________ allows automatic updates.
Q120. Handling variable length packets leads to memory __________.
Showing the first 120 of 193 MCQs.