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This set of Data Communication and Computer Network Multiple Choice Questions & Answers (MCQs) focuses on Data Communication And Computer Network Set 1

Q1 | What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
  • Application
  • Host-to-Host
  • Internet
  • Network Access
Q2 | You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?
  • SMTP
  • SNMP
  • DHCP
  • ARP
Q3 | Which of the following is private IP address?
  • 12.0.0.1
  • 168.172.19.39
  • 172.15.14.36
  • 192.168.24.43
Q4 | MAC address is of
  • 24 bits
  • 36 bits
  • 42 bits
  • 48 bits
Q5 | A point-to-point protocol over ethernet is a network protocol for
  • encapsulating PPP frames inside ethernet frames
  • encapsulating ehternet framse inside PPP frames
  • for security of ethernet frames
  • for security of PPP frames
Q6 | High speed ethernet works on
  • coaxial cable
  • twisted pair cable
  • optical fiber
  • none of the mentioned
Q7 | Address Resolution Protocol (ARP) is a
  • 8 Bit Field
  • 10 Bit Field
  • 12 Bit Field
  • 16 Bit Field
Q8 | In Address Resolution Protocol (ARP), each LAN has been assigned a
  • Trigger
  • Integer
  • Repeater
  • Process header
Q9 | In Address Resolution Protocol (ARP), a packet is encapsulated directly into a
  • Data link Integer
  • Network Frame
  • Network Station
  • Data link Frame
Q10 | If an Address Resolution Protocol (ARP) request is broadcast, an ARP reply is
  • Universal
  • Unicast
  • Multicast
  • Generated locally
Q11 | Switching in Internet is done by using datagram approach to packet switching at the
  • network layer
  • application layer
  • data link layer
  • physical layer.
Q12 | A switch in a datagram network uses a
  • destination address
  • sender address
  • routing table
  • header
Q13 | A Virtual-Circuit Network (VCN) is normally implemented in the
  • session layer
  • data link layer
  • network layer
  • physical layer
Q14 | Asynchronous Transfer Mode (ATM) network is an example of
  • Packet switching network
  • Datagram Networks
  • Virtual circuit network
  • message switched network
Q15 | IPV4 Address is
  • 8 bit
  • 16 bit
  • 32 bit
  • 64 bit
Q16 | Internet Control Message Protocol (ICMP) has header size of
  • 12 Bytes
  • 10 Bytes
  • 08 Bytes
  • 06 Bytes
Q17 | Internet Control Message Protocol (ICMP) is companion of
  • IP Transmission
  • IP Packet
  • IP Frame
  • IP protocol
Q18 | IP is a connectionless
  • Source
  • Protocol
  • Station
  • Destination
Q19 | Parameter that is normally achieved through a trailer added to end of frame is
  • Access Control
  • Flow Control
  • Error Control
  • Physical addressing.
Q20 | Application layer provides basis for
  • Email services
  • Frame Division
  • File Making
  • None of the above
Q21 | In IPv4, value of Maximum Transfer Unit (MTU) depends on the
  • Physical network protocol
  • DataLink network protocol
  • UD protocol
  • Tr
Q22 | In IPv4 layer, datagrams are the
  • Frames
  • Addresses
  • Protocol
  • Packets
Q23 | The data link layer takes the packets from _________ and encapsulates them into frames fortransmission.
  • network layer
  • physical layer
  • transport layer
  • application layer
Q24 | CRC stands for
  • cyclic redundancy check
  • code repeat check
  • code redundancy check
  • cyclic repeat check
Q25 | Which one of the following is the multiple access protocol for channel access control?
  • CSMA/CD
  • CSMA/CA
  • Both CSMA/CD & CSMA/CA
  • None of the mentioned