TCP/IP Practice Test Quiz

46 Questions | Total Attempts: 10197

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TCP/IP Practice Test Quiz - Quiz

In this advanced technological world, where everything is directly or indirectly linked with computers or smartphones, we have brought this TCP/IP practice test quiz for you to test your knowledge. The quiz has multiple questions that will be useful to test your understanding and knowledge as well as to gain some more through this fun-learning experience. So, are you ready and well-prepared for it? Let's go then!.


Questions and Answers
  • 1. 
    What is the basic unit of data transfer across an IP internetwork? 
    • A. 

      The Data Link Layer frame

    • B. 

      The IP Layer Packet

    • C. 

      The TCP Layer Packet

    • D. 

      The Application layer Packet

  • 2. 
    Which of the following components of the TCP/IP protocol stack are end-to-end layers (also known as host to host layers)? 
    • A. 

      ARP

    • B. 

      IP

    • C. 

      TCP and UDP

    • D. 

      All the above

  • 3. 
    Which of the following does not describe the IP packet delivery layer? 
    • A. 

      Connectionless

    • B. 

      Best Effort

    • C. 

      Unreliable

    • D. 

      Streaming

  • 4. 
    Which of the following fields in the header of an IP packet will be decremented by one at each router? 
    • A. 

      The Header Checksum

    • B. 

      The Type of Service (TOS)

    • C. 

      The Time to Live (TTL)

    • D. 

      The Protocol Number

  • 5. 
    Which of the following fields in the IP header identifies the type of data (payload) that the IP packet is carrying? 
    • A. 

      The Header Checksum

    • B. 

      The Type of Service (TOS

    • C. 

      The Time to Live (TTL)

    • D. 

      The Protocol Number

  • 6. 
    Which of the following is not true about an IP address? 
    • A. 

      An IP address is a logical address.

    • B. 

      An IP address is globally unique on an internetwork.

    • C. 

      An IP address can be considered to consist of a Network Part and a Host Part.

    • D. 

      An IP address is usually represented in Hex Format for the user.

  • 7. 
    Which of the following IP addresses is a class A number? 
    • A. 

      126.1.1.1

    • B. 

      128.1.1.1

    • C. 

      191.1.1.1

    • D. 

      192.1.1.1

  • 8. 
    Which of the following default masks for the major class numbers is incorrect? 
    • A. 

      Class A mask 255.0.0.0 or /8

    • B. 

      Class B mask 255.255.0.0 or /16

    • C. 

      Class C mask 255.255.255.0 or /24

    • D. 

      Class D mask 255.255.255.255 or /32

  • 9. 
    Given the IP address 199.74.239.1 /24, what is the network number? 
    • A. 

      199.0.0.0

    • B. 

      199.74.0.0

    • C. 

      199.174.239.0

    • D. 

      199.74.239.1

  • 10. 
    What does the ARP (Address Resolution Protocol) do? 
    • A. 

      Resolves IP addresses to MAC addresses.

    • B. 

      Resolves MAC addresses to IP addresses.

    • C. 

      Resolves the TYPE field to the MAC address

    • D. 

      Resolves the MAC address to the TYPE field

  • 11. 
    Which component is unknown in an ARP request packet? 
    • A. 

      The sender’s Hardware Address

    • B. 

      The Sender’s IP address

    • C. 

      The Target’s Hardware Address

    • D. 

      Target’s IP address

  • 12. 
    Which of the following is incorrect about ICMP? 
    • A. 

      ICMP is carried in IP packets

    • B. 

      ICMP is used for error notification between routers and hosts

    • C. 

      ICMP stands for the Internet Control Message Protocol

    • D. 

      If an ICMP packet is dropped, a new ICMP packet will be generated.

  • 13. 
    Which of the following can be accomplished by the Ping utility? 
    • A. 

      Traces the path that the IP packet is taking

    • B. 

      Determines if TCP connections can be established

    • C. 

      Verifies IP layer connectivity between two endpoints

    • D. 

      Determines if UDP port numbers are opened

  • 14. 
    Which of the following is incorrect about the traceroute utility? 
    • A. 

      It uses the TTL field to determine intermediate routers.

    • B. 

      It traces out the path taken by IP packets to a given destination.

    • C. 

      It can verify connectivity between endpoints.

    • D. 

      It uses TCP packets carried in an IP packet.

  • 15. 
    Which of the following is not a feature of the TCP layer? 
    • A. 

      Connection-Oriented

    • B. 

      Reliable

    • C. 

      Full Duplex

    • D. 

      Low overhead

  • 16. 
    Which fields in the header of the TCP packet identify the upper layer applications (processes)? 
    • A. 

      The protocol number

    • B. 

      Source and Destination Port Numbers

    • C. 

      The TYPE field

    • D. 

      The TTL field

  • 17. 
    Which of the following are not reliability mechanisms used by TCP? 
    • A. 

      Sequence Numbers

    • B. 

      Acknowledgments

    • C. 

      The source and destination port numbers

    • D. 

      The Sliding Window Protocol for flow control

  • 18. 
    Which of the following are incorrect about the UDP layer? 
    • A. 

      Connectionless

    • B. 

      Unreliable

    • C. 

      Low overhead

    • D. 

      No-Port Numbers

  • 19. 
    Which of the following is incorrect about Variable-Length Subnetting (VLSM)? 
    • A. 

      VLSM permits the use of variable length masks for a given major network number throughout the internetwork.

    • B. 

      VLSM permits more efficient use of the address space compared with standard subnetting

    • C. 

      An IP addressing plan based on VLSM would require classless routing protocols like RIPv2, EIGRP, or OSPF.

    • D. 

      The RFC on VLSM was published before the one on Standard Subnetting.

  • 20. 
    Which of the following is incorrect about Route Aggregation? 
    • A. 

      Route aggregation is a technique used to decrease the number of routes in the routing table.

    • B. 

      Contiguous blocks of specific routes may be summarized.

    • C. 

      Route aggregation will slow down the process of routing table lookups on the router.

    • D. 

      Route aggregation is accomplished by configuring the routing protocol to advertise the summary route.

  • 21. 
    Which of the following techniques will allow hosts on a private Intranet with private addresses to communicate with the Internet? 
    • A. 

      A. CIDR blocks

    • B. 

      B. Route Summarization

    • C. 

      C. BGP

    • D. 

      D. NAT (Network Address Translation)

  • 22. 
    Which of the following methods is not how a router can learn routes into its routing table? 
    • A. 

      Directly attached networks

    • B. 

      Through TCP/IP applications

    • C. 

      Dynamically through a routing protocol

    • D. 

      Manually added through static routes

  • 23. 
    Which of the following are incorrect about a dynamic routing protocol? 
    • A. 

      Learn routes to destinations automatically

    • B. 

      Reflects changes in the network topology automatically

    • C. 

      Rely on communicating between routers and their neighbors

    • D. 

      Examples of dynamic routing protocols are TCP, UDP, DHCP, ARP etc.

  • 24. 
    Which of the following are incorrect about a routing protocol metric? 
    • A. 

      Every routing protocol is associated with a metric

    • B. 

      Metrics can be used to evaluate alternative routes learned by two different routing protocols

    • C. 

      Metrics can be used to evaluate best routes between alternative routes learned by the same routing protocol

    • D. 

      Newer routing protocols like EIGRP and OSPF reflect network bandwidth in the metric

  • 25. 
    Which of the following data structures are not maintained by OSPF? 
    • A. 

      The Topology Table

    • B. 

      The Link State Database

    • C. 

      The Neighbor Table

    • D. 

      The Routing Table

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