Pages

Computer Networks Unit-wise Question Bank | Study Resources & Exam Prep SPPU CNS

Access a comprehensive collection of Computer Networks questions organized by unit, ideal for exam preparation and revision. Each unit includes key qu
Networking Units

Unit I

  • What are different transmission modes? [4]
  • Encode the following binary data stream into Manchester and differential Manchester codes: 11001010 [8]
  • What are different topologies? [4]
  • Explain different components required for wireless Network. [4]
  • What is the need of Access Point in wireless Network? [4]
  • Explain TCP/IP Reference Model. [8]
  • Explain OSI reference model. [8]
  • Compare TCP/IP and OSI model. [6]
  • Explain fiber optics modes of propagation. [8]
  • List and write the use of different network connecting devices. [8]
  • What is a switch? Explain the difference between manageable and non-manageable switch. [8]
  • Describe the network components (Connectors, Hubs, Switches, Repeaters, and bridges). [6]
  • Explain various internetworking devices. State at which layer they work? [8]
  • Differentiate between Bridge, Router and Switches. [6]
  • Explain the working of Hubs, Switches and Routers. [6]
  • Differentiate between Hub and Switch. [4]
  • Explain the types of frequency hopping. [8]
  • Give brief description of Twisted Pair Cable.
  • Give brief description of Co-axial cable.
  • Give brief description of Fiber Optic cable. [8]

Unit II

  • Illustrate various services offered by data link layer. [5]
  • What are different framing methods available? Explain any one in detail.
  • If all the physical links were to provide the reliable delivery service, would the TCP reliable delivery service be redundant? Yes/No? Justify. [5]
  • Compare and contrast between HDLC and PPP. [5]
  • Explain PPP with phase diagram for bringing a live up. [8]
  • Explain the working of PPP. [8]
  • What is the overhead to send an IP packet using PPP? Count only the overhead introduced by PPP itself, not the IP header overhead. [5]

Unit III

  • Differentiate between Wireless LAN (Wifi-802.3) and Bluetooth (802.15).
  • Differentiate between Bluetooth (802.15) and WiMAX (802.16).
  • Differentiate between different IEEE 802.11 standards (a/b/g/n/ac/ad).
  • Draw and explain a frame format for IEEE 802.3.
  • Draw and explain a frame format for IEEE 802.11.
  • Draw and explain a frame format for IEEE 802.15.
  • Binary Exponential Backoff Algorithm.
  • 802.11 Architecture.
  • What is Hidden station and Expose station problem in WLAN?
  • Explain the need of NAV.
  • Explain the working of DCF and PCF.
  • Explain Bluetooth Architecture (Piconet and Scatternet).
  • Explain Bluetooth (802.15) Protocol Stack.
  • Explain 802.16 protocol stack.

Unit IV

  • Explain network layer issues in detail. [8]
  • Draw and explain IPv4 header format. [8]
  • What are different features of IPV6? [6]
  • What are different types of addresses in IPV6? [6]
  • Explain address representation in detail of IPV6. [6]
  • How is routing done in Mobile IP? [6]
  • Draw and explain IPv6 header. [8]
  • Explain the significance of priority and flow label fields in IPV6. [8]
  • Compare IPv6 and IPv4. [8]
  • Explain different types of messages in ICMP v6. [6]
  • Compare IP and ICMP. [8]
  • Explain header format of ICMP v6 protocol. [8]
  • Describe in brief ICMP error and query messages (at least 2 each). [8]
  • Identify class, subnet mask, network address and broadcast address of following IP Address: 1) 214.25.6.3 2) 191.5.8.9 3) 5.6.45.4 4) 230.45.89.63. [8]
  • How do IP addresses get mapped onto data link layer addresses, such as Ethernet? [8]
  • Classify routing algorithms. [4]
  • Compare link state and distance vector routing algorithm. [4]
  • What is path vector routing? Discuss its advantages over Distance Vector routing. [8]
  • Explain routing protocols RIP and BGP. [8]
  • Explain in detail OSPF protocol. [8]
  • Write short note on BGP. [4]

Unit V

  • Differentiate between TCP and UDP protocol. Also comment on the applications supported by them. [6]
  • Explain pros and cons of TCP over UDP. [4]
  • Explain SCTP packet with header in detail. [8]
  • Compare SCTP, TCP and UDP. [6]
  • Explain in detail different features of SCTP. [8]
  • Compare SCTP and TCP. [8]
  • Explain in detail different features of SCTP. [8]
  • Is TCP the appropriate protocol model for wireless networks? Issues in TCP over wireless. [4]
  • What are different protocols/schemes for wireless TCP? Explain any one in detail. [8]
  • What is the significance of type of ports? What is the range of port numbers used in each type. [6]
  • Explain flow control in TCP. [6]
  • Explain significance of following flags in TCP header: SYN, RST, FIN, PSH. [6]
  • Explain Three-way handshake in TCP. [4][8]
  • Explain 4 scenarios for Connection release. [8]
  • Explain TCP congestion control algorithm with respect to additive-increase, multiplicative decrease, slow start mechanism and reaction to timeout events. [8]
  • What is Two-army problem? [6]
  • What is silly syndrome problem? Suggest two solutions to overcome the problem. [8]
  • Define threshold condition in congestion. How does TCP tackle congestion problem using internet congestion control algorithm? [8]
  • What is 3-Way handshake in TCP? Explain in brief why it is required? [6]
  • Draw UDP header structure, Explain significance of each field in UDP header. What is pseudo-header? [6]
  • Explain RTP protocol in detail with header format. [8]
  • Explain multiplexing and de-multiplexing in transport layer. [6]
  • What is QoS? Explain QoS parameters. [8]
  • Differentiate between class based and flow based QoS. Explain differentiated services for QoS. [8]
  • What is Leaky Bucket algorithm? Which quality parameter is ensured by Leaky Bucket algorithm? [5]
  • What is traffic shaping? How it is used in congestion control? [5]
  • Describe metrics measuring QoS. [8]
  • Describe any link scheduling algorithm. [8]
  • Describe in brief Integrated Services and Differentiated services. [8]
  • Explain significance and working of RSVP protocol. [8]
  • Explain recourse reservation protocol in detail. [8]

Unit VI

  • Compare file transfer using FTP and HTTP methods. [8]
  • Compare FTP and TFTP and explain four commands of each. [9]
  • Explain FTP in details.
  • What is DNS? Explain with suitable example how query resolving process is done? [8]
  • What is DNS? Explain with suitable example process of delivering of requested web page on your computer? [8]
  • Write short note on SMTP and Caching in web browser. [12]
  • State and explain different protocols used for e-mail. Differentiate between IMAP, POP3 and SMTP protocol. [8]
  • Compare file transfer using SMTP and HTTP methods. [8]
  • Explain working of DHCP.
  • Explain working of TELNET.
  • Assume you are accessing a web page through a browser on a computer. Explain step by step various things that happen at various layers on client side. Assume both uses TCP/IP protocol stack. [8]
  • Consider you are accessing a web page. Explain what different things happen at client and server side, at each layer. Assume that both are using TCP/IP protocol stack. [8]
  • Explain connection oriented and connectionless service. Which protocols at each layer in TCP/IP protocol suite support these services? [8]
  • Explain TCP/IP Reference Model. [8]
  • Explain OSI reference model. [8]
  • Compare TCP/IP and OSI model. [6]
I am Vishal Chavare , I'm a coder, animater. I'm extremely fond of anything related to education, animation & coding. I aim to reach my creative goals one step at a time I believe everyth…

Post a Comment

Solved Manual

© CAMPUS ACADEMY . All rights reserved. DMCA.com Protection Status

Ads

Capstone Project Offer!

Grab the best Capstone Projects to showcase your skills and stand out!

Limited Time Special Offer - Hurry Up!