Computer Networks
Oral Question
1. Define a Computer Network.
2. What is the difference between a Computer Network and a Distributed
network
3. What are the objectives of Computer network
4. State various applications of Computer Networks ?
5. What is the difference between a Point-to-point network and a
broadcast network?
6. List the various topologies Listed in a Point-to-point and a
broadcast network.
7. Differentiate between a layer, a protocol and an interface.
8. What are the different principles which are used by OSI model
9. Name the units are used to measure the data transmitted at each Layer
in the OSI model
10. What do You meant by a physical and virtual communication
11. Explain a Service provider b) Service user c) Service access points
d) Peer
12. Explain a) IDU b) ICI c) SDU
13. What is a connection-oriented service and a connection-less service
14. What are the service primitives ? Name the 4 classes of the service
primitives used in OSI model
15. What is the difference relationship between a service and a protocol
16. Give the long forms of a) CCITT b) ITU c) PTT d) A@SI c) IISO f) IEEE
g) NBS
17. Name the list of familiar networks.
18. What is difference between internet and Internet
19. Explain packet switching ,circuit switching.
20. Differentiate Time division multiplexing and frequency division
multiplexing.
21. Differentiate between LAN, MAN and WAN.
22. Do you need MAC sublayer in point-point to network
23. Compare static and dynamic channel allocation
24. Compare Pure ALOIAA and slotted ALOHA.
25. What is persistent and nonpersistent CSMA ?
26. Compare CSMA and CSMA/CD.
27. Name the coIlLision-free,contension free protocols.
28. Compare 1 bit bitmap and BITAP protocol
29. What is subnetting?
31. What is masking
32. What is adaptive free protocol ? How this protocol can be further
optimize. Give suitable example.
33. What is all PPP protocol
34. Name the protocol used in each of the following IEEE standards
802.3, 802.4, 802.5. 802.6
35. What is broadcasting and multicasting.
36. Compare the various IEEE 802 protocol family, Manchester and
differential Manchester encoding ?
37. Does the MAC sublayer is above or below the data link layer?
38. Which protocols are used in Internet at the data link layer
39. Which protocol is used at the data link layer to access the Internet
in our lab ?
40. Compare the following cabel types : 1 Base5, 1 Base2, 1 0Base-T and 1
Base-F.
41. What is a bridge ? What are the types of bridges you know ?
42. What is a Gateway? Compare connection-oriented Gateways, Connection-
less Gateway ?
43. What is a Internet PC?
44. What is a MODEM ? Spcifythe typical values at which a MODEM can
transmit data?
45. What are the various signals available on a MODEM? Explain their
significance.
46. What is a multilliugal MODEM?
47. What is a NIC card ? Name a few commonly used NIC cards" Which one of
them are used in our laboratory?
Give the specification of a NIC if you want to purchase it ? What is
its approximate cost ?
48. Is it possible to have a PC ,with two NICs and each one of them
connected to a separate network ?
49. What is a HuB?.
50. Compare a Virtual Circuit with the Datagram ?
51. Compare Adaptive with Non-adaptive routing algorithms ?
52. What Router
53. What is congestion .How it can be controlled
54. Is there any difference between Congestion control and flow control
55. What is a firewall in the Internet ?
56. Give the details of the IP address. What is its size ?
57. Give the IP address format for class A, B, C, D and E.
58. What is ICMP, ARP, BOOTP and RARP protocols, explain.
59. Transport layer is one of the most important and complex layer in
computer network. Comment.
60. Why now days a reliable connection-oriented transport layer is placed
on top of unreliable connection less network layer ?.
Name the most popular network which is designed in this way.
61. What do you meant by well-known ports in TCP. Give examples of it ?
Why these ports are having odd addresses?
62. Explain the various ways in which a source transport entity,
establishes a connection with destination transport entity and compare.
63. What is the concept of multiplexing at the transport layer ? What
are the two types Give application of each??
64. Is there any similarity between the Unix kernel and TCPP w.r.t. data
they need to handle.
65. Give the details of TCP header, What is its size ? Explain the
various fields.
66. Give the IP header format.
67. Explain the connection management and congestion control in
Transport layer.
68. Explain the role of a session
69. What is a RPC ?
70. Explain the tasks of a presentation layer ?
71. Name the different compression techniques used in presentation layer.
72. What are the different algorithms used for network sectuity and
protection.
73. What is the Domain Name System ?
74. What is Name servers ?
75. What is MIME ?
76. What is SMTP ?
77. What is NNTP ?
78. What is the JPEG and MPEG standards ?
79. What are the different parameters that decide quality of service at
the transport layer.
80. What is Shell and TCP/IP account on Internet ? Which one our college
is having ?
81. What are the charges one has to pay to get Internet access through
VSNL and MTNL?
82. What is HTML ? What is a HTML\4L editor ?
83. Give the layout of a typical HTML document.
84. What are the extensions which are used with a HTML files?
85. What is a link in a HTML document ? Can you have a link in a graphics
image
86. What is an HTML tag ? Give ten important tags used in HTML.
87. What is WWW?
88 What is http and ftp ?
89. What are the different types of web sites ( i.e. edu, orc., etc ).
90. What is a web brower ? Name the most popular Intenet browsers? What
are latest version?
91. Name a few popular web sites you know.
92. List web sites which gives info about Nashik city?
93. What is the difference between a web site and a web page ?
94. What is hot-mail ?
95. What is a search engine ? Name a few popular search engines ?
96. Does NDMVP COE has an, web site is there any, site which gives
information about Nashik
97. What is an attachment in a mail
98. What is a voice mail ?
99. State the various Internet Mail program ?
100.Give the telephone numbers in which you can use to access the
Internet through the local hub here in Nashik?
101.Which is the local hub in Nashik is situated ?
102.What is a "ernet" ?
103.What is a URL ?
104.What is an anonymous FIP ?
105.What is a proxy server ?
106.What is leased line ? What is then cost ? How to configure Router ?
107.What are the components of Router
108.What are different types of server 1.FTP 2.DNS 3. VPN 4.DHCP