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Computer Networking MCQ Questions and Answers, Quizzes of Computer Systems Networking and Telecommunications

Tribhuvan University KathmanduComputer Systems Networking and Telecommunications

computer networking multiple choice auestions

Typology: Quizzes

2022/2023

Uploaded on 02/04/2024

anonymous_srv
anonymous_srv 🇳🇵

2 documents

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MCQ Questions
1) Which of these is a standard interface for serial data transmission?
ASCII
RS232C
2
Centronics
2) Which type of topology is best suited for large businesses which must carefully control and coordinate
the operation of distributed branch outlets?
Ring
Local area
Hierarchical
Star
3) Which of the following transmission directions listed is not a legitimate channel?
Simplex
Half Duplex
Full Duplex
Double Duplex
4) "Parity bits" are used for which of the following purposes?
Encryption of data
To transmit faster
To detect errors
To identify the user
5) What kind of transmission medium is most appropriate to carry data in a computer network that is
exposed to electrical interferences?
Unshielded twisted pair
Optical fiber
Coaxial cable
Microwave
6) A collection of hyperlinked documents on the internet forms the ?.?
World Wide Web (WWW)
E-mail system
Mailing list
Hypertext markup language
7) The location of a resource on the internet is given by its?
Protocol
URL
E-mail address
ICQ
pf3
pf4
pf5
pf8
pf9
pfa
pfd

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MCQ Questions

  1. Which of these is a standard interface for serial data transmission? ASCII RS232C 2 Centronics
  2. Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets? Ring Local area Hierarchical Star
  3. Which of the following transmission directions listed is not a legitimate channel? Simplex Half Duplex Full Duplex Double Duplex
  4. "Parity bits" are used for which of the following purposes? Encryption of data To transmit faster To detect errors To identify the user
  5. What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? Unshielded twisted pair Optical fiber Coaxial cable Microwave
  6. A collection of hyperlinked documents on the internet forms the ?.? World Wide Web (WWW) E-mail system Mailing list Hypertext markup language
  7. The location of a resource on the internet is given by its? Protocol URL E-mail address ICQ
  1. The term HTTP stands for? Hyper terminal tracing program Hypertext tracing protocol Hypertext transfer protocol Hypertext transfer program
  2. A proxy server is used as the computer? with external access acting as a backup performing file handling accessing user permissions
  3. Which one of the following would breach the integrity of a system? Looking the room to prevent theft Full access rights for all users Fitting the system with an anti-theft device Protecting the device against willful or accidental damage
  4. Which software prevents the external access to a system? Firewall Gateway Router Virus checker
  5. Which one of the following is a valid email address? [email protected] gmail.com [email protected] javatpoint@books
  6. Which of the following best describes uploading information? Sorting data on a disk drive Sending information to a host computer Receiving information from a host computer Sorting data on a hard drive
  7. Which one of the following is the most common internet protocol? HTML NetBEUI TCP/IP IPX/SPX
  1. When the mail server sends mail to other mail servers it becomes ___? SMTP client SMTP server Peer Master
  2. The length of an IPv6 address is? 32 bits 64 bits 128 bits 256 bits
  3. Consider the following: Twisted pair cables Microwaves and Satellite Signals Repeaters Analog Transmissions Fiber optics Which of the above is consider as (a) signal transmission medium is data communications? (1) and (5) (1) and (2) (1) (2) and (5) (1) (2) (3) and (5)
  4. Which of the following address belongs class A? 121.12.12. 130.12.12. 128.12.12. 129.12.12.
  5. Which of the following is correct IPv4 address? 124.201.3.1. 01.200.128. 300.142.210. 10110011.32.16. 128.64.0.
  6. Which of the following IP addresses can be used as (a) loop-back addresses? 0.0.0. 127.0.0. 255.255.255. 0.255.255.
  1. The term WAN stands for? Wide Area Net Wide Access Network Wide Area Network Wide Access Net
  2. Which of the following cannot be used as a medium for 802.3 ethernet? A thin coaxial cable A twisted pair cable A microwave link A fiber optical cable
  3. What IP address class allocates 8 bits for the host identification part? Class A Class B Class C Class D
  4. The term IANA stands for? Internet Assigned Numbers Authority Internal Assigned Numbers Authority Internet Associative Numbers Authoritative Internal Associative Numbers Authority
  5. How many versions available of IP? 6 version 4 version 2 version 1 version
  6. Which layer of the TCP / IP stack corresponds to the OSI model transport layer? Host to host Application Internet Network Access
  7. An Aloha network uses an 18.2 kbps channel for sending message packets of 100 bits long size. Calculate the maximum throughput. 5999 6900 6027 5027

None of the above

  1. Which of the following methods is used to broadcast two packets on the medium at a time? Collision Synchronous Asynchronous None of the above
  2. Which of the following is true with regard to the ping command? Ping stands for Packet Internet Generator. The ping command checks the port level connectivity between source destinations end points. Ping summarizes the packet loss and round-trip delay between two IP end points. The ping command activates the RARP protocol of the IP layer.
  3. The private key in asymmetric key cryptography is kept by? Sender Receiver Sender and Receiver None of the these
  4. Which of the following algorithms is not used in asymmetric-key cryptography? RSA algorithm Diffie-Hellman algorithm Electronic code book algorithm None of the mentioned
  5. In the cryptography, the sequence of the letters is rearranged by? Transposition ciphers Substitution ciphers Both a and b None of these
  6. What is the maximum efficiency of pure aloha at G = 1/2?
  1. What is the maximum efficiency of slotted aloha at G = 1?
  1. Which of the following statement is true about error detection techniques used on communications link? Cyclic Redundancy Check (CRC) sequence can detect as well as correct errors. Error detection cannot be used on simplex links. Hamming code can detect up to 3-bit errors. All of the these
  2. The correct order of corresponding OSI layers for having functionalities of routing and reconciling machine representation differences with shared access resolution and ASCII test protocol is? Network, Physical, Transport, Data link Network, Physical, Data link, Application Network, Presentation, Data link, Application Network, Presentation, Physical, Transport
  3. In which of the following switching methods, the message is divided into small packets? Message switching Packet switching Virtual switching None of the these
  4. Which of the following switch methods creates a point-to-point physical connection between two or more computers? Message switching Packet switching Circuit switching None of the these
  5. What is the second name of the proxy server? Proxy tools Application proxy Application-level gateway All of the these
  6. Which of the following servers allows LAN users to share data? Data server Point server File server Communication server
  7. What is the total vulnerable time value of pure Aloha? Tfr 1/2 Tfr 2 * Tfr 4 * Tfr
  1. SONET stands for ______________. Signal Operation Network Synchronous Optical Network System Optical Network Signal Optical Network
  2. How many layers does the SONET contain? 2 layers 3 layers 4 layers 5 layers
  3. RAKE receiver designed for _____. Multipath fading Signals Data network Network connection
  4. What is the formula of high rate in zigzag code? J / (J * 1) -Z / (1 + J) Z * (1 + J) J / (J + 1)
  5. What is the size of the sender window in the Go Back N (ARQ) protocol? 0 1 10 n
  6. What is the efficiency of the Go back N (ARQ) protocol? N = N / (2a + 2a) N = N / (1 + 2a) N = N * (2a + 2a) N = N * (1 + 2a)
  7. What is the size of the destination port in the UDP protocol? 8 bits 16 bits 20 bits 32 bits
  8. What network utility uses the time-To-Live (TTL) field in the IP header to elicit ICMP error messages? Ping Route Traceroute Ifconfig
  1. A client of the DNS (Domain Name System) application is called _____. DNS server DNS Name DNS resolver DNS inquirer
  2. How many characters consist of the entire hostname? 511 characters 255 characters 127 characters 31 characters
  3. During normal IP packet forwarding by a router, which of the following fields of the IP header is updated? Repeater Source address Destination address Checksum
  4. Which of the following statements is correct about the DWDM? It can transmit data at very high speeds It can transmit data at very slow speeds DWSM stands for digital wave division multiplexing None of the these
  5. MAC address is also called ______. Physical address Logical address Source address Destination address
  6. Which of the following addresses is 32-bit? MAC address Virtual address Source address Destination address
  7. EDI stands for ____. Electronic Data Interchange Electronic Digital Internet Electronic Digital Interchange Electronic Data Internet
  8. What is the maximum data transfer rate of the ISDN? 1024 Mbps 64 Mbps 64 kbps 1024 kbps

All of the these

  1. Which of the following devices is not a networking device? Hub Switch Bridge None of the these
  2. Which of the following devices does not require power to forward the signals? Active hub Passive hub Repeater Bridge
  3. How many pins does RJ-45 contain? Two Four Eight Ten

Short Questions

  1. Discuss the roles of networks in term of purpose, benefits, and communication.
  2. Introduce network and list out the basic requirements of a reliable network.
  3. Discuss some of the network attacks
  4. Explain the impact of topologies on bandwidth and communication.
  5. Explain different types of topologies.
  6. What is an IP address? Differentiate between static and dynamic IP addressing.
  7. Configure the router according to following design.(a figure will be given accordingly)
  8. Explain TCP/IP with diagram.
  9. Design network diagram for a company on your assumption but must include 5 departments with 2 PC each
  10. Write short notes on dhcp, dns, firewall, repeater, FTP, SMPT, HTTP, POP3, different network devices,