Top 70+ TCP/IP Interview Questions [UPDATED 2020]

by | Jan 24, 2018 | Free Resources

Question 1  What is TCP/IP?

Question 2  How many layers are there in TCP/IP

Question 3  What are Pvt. IP address?

Question 4 Explain Does IP Protect Data On The Network?

Question 5 Explain what is the data unit of “Transport layer”?

Question 6  Explain how is data send by IP layer?

Question 7 What is Loopback address?

Question 8  Explain what are the networking protocol options for the Windows clients if for some reason you do not want to use TCP/IP?

Question 9  Explain How does ARP response the request?

Question 10 Explain 4 example of application layer?

Question 11 What Is The Major Disadvantage Of Star Topology In Case Of TCP/IP?

Question 12  What Are Gateways In Case Of TCP/IP?

Question 13 Which of the following protocols uses both TCP and UDP?

Question 14  What is the address range of a Class B network address in binary?

Question 15 What is Frame?

Question 16  Can I Set Up A Gateway To The Internet That Translates IP Addresses, So That I Don’t Have To Change All Our Internal Addresses to An Official Network?

Question 17 What are Private IPv4 Addresses?

Question 18 What is UDP Datagram?

Question 19  What is IP Datagram?

Question 20  What Is A Link In Case Of TCP/IP?

Question 21 What protocol is used by PING?

Question 22  Explain how can we detect that the other end of a TCP connection has crashed? Can we use “keepalives” for this?

Question 23 What is the full form of OSI and TCP/IP model?

Question 24  Explain how many hosts can be on each network? Consider a fixed subnet partition of a class B network number that will accommodate at least 76 networks?

Question 25  What is function of Router?

Question 26 What is Default Gateway? How it is different from gateway?

Question 27  What is Subnet Mask?

Question 28 What Are The Networking Protocol Options For The Windows Clients If For Some Reason You Do Not Want To Use TCP/IP?

Question 29 What is used of Tracert?

Question 30 What is full form of PING?

Question 31  What is the PDU of “Network layer” and “Data link layer”?

Question 32  How do applications coexist over TCP and UDP?

Question 33  What Is The Role Of TCP/IP In Data Transmission From Source To Destination?

Question 34  TCP/IP? has How Many Layers?

Question 35  Explain How Is IP Carried On A Network?

Question 36  Explain what is the Role of TCP/IP in data transmission from source to destination?

Question 37  Explain which layer is closer to the user?

Question 38  Explain how can we measure the performance of an IP link?

Question 39 What Is TCP/IP Model?

Question 40  What is sockets?

Question 41 How Many Layers Are There Under TCP/IP?

Question 42 What is tracert In Case Of TCP/IP?

Question 43  Mark One Of The Most Important Difference Between TCP And UDP?

Question 44 How Is TCP/IP Defined?

Question 45  What Protocols Fall Under The Application Layer Of The TCP/IP Stack?

Question 46 What Is Nos (network Operating System) In Case Of TCP/IP?

Question 47  What Do Mean By Tunnel Model?

Question 48  What Is Subnet Mask?

Question 49  What is the port number of Telnet and DNS?

Question 50  What is the difference between flow control and error control?

Question 51 What are the protocols that are included by each layer of TCP/IP model?

Question 52 What is Encapsulation & De-capsulation?

Question 53 Which of the following services use TCP?

Question 54  Briefly Describe Nat?

Question 55 What Protocols Fall Under The TCP/IP Internet Layer?

Question 56 Mention One Real Place to Use TCP/IP?

Question 57 Which of the following are TCP/IP protocols used at the Application layer of the OSI model?

Question 58 What protocol is used to find the hardware address of a local device?

Question 59 What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

Question 60 Which of the following describe the DHCP Discover message?

Question 61 What is TCP Segment?

Question 62 What is Error Control & Flow Control?

Question 63 What is Multiplexing and De-multiplexing in TCP/IP?

Question 64 What are IPv4 Address classes?

Question 65 What is APIPA?

Question 66 Which layer 4 protocol is used for a Telnet connection?

Question 67 Which statements are true regarding ICMP packets?

Question 68  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?

Question 69 Which of the following is private IP address?

Question 70 Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?

Question 71 Which of the following are layers in the TCP/IP model?

Question 72  Explain how does TCP try to avoid network meltdown?

Question 73  Which of the following allows a router to respond to an ARP request that is intended for a remote host?

Question 74 Which of the following services use UDP?

Question 75 Which class of IP address provides a maximum of only 254 host addresses per network ID?

Question 76 If you use either Telnet or FTP, which is the highest layer you are using to transmit data?

Question 77  What Is The Way To Establish A TCP Connection?

Question 78  What is Message?


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