Networking - TCP/IP

Why Networking TCP/IP?

In this section you can learn and practice Networking Questions based on "TCP/IP" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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Where can I get Networking TCP/IP Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Networking TCP/IP questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

How to solve Networking TCP/IP problems?

You can easily solve all kind of Networking questions based on TCP/IP by practicing the objective type exercises given below, also get shortcut methods to solve Networking TCP/IP problems.

Exercise :: TCP/IP - TCP/IP

  • TCP/IP - TCP/IP
1. 

Which of the following services use TCP?

  1. DHCP
  2. SMTP
  3. HTTP
  4. TFTP
  5. FTP

A. 1 and 2
B. 2, 3 and 5
C. 1, 2 and 4
D. 1, 3 and 4

Answer: Option B

Explanation:

SMTP, HTTP and FTP use TCP.

2. 

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

A. Application
B. Host-to-Host
C. Internet
D. Network Access

Answer: Option B

Explanation:

The four layers of the TCP/IP stack (also called the DoD model) are Application/Process, Host-to-Host, Internet, and Network Access. The Host-to-Host layer is equivalent to the Transport layer of the OSI model.

3. 

Which of the following describe the DHCP Discover message?

  1. It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.
  2. It uses UDP as the Transport layer protocol.
  3. It uses TCP as the Transport layer protocol.
  4. It does not use a layer 2 destination address.

A. 1 only
B. 1 and 2
C. 3 and 4
D. 4 only

Answer: Option B

Explanation:

A client that sends out a DHCP Discover message in order to receive an IP address sends out a broadcast at both layer 2 and layer 3. The layer 2 broadcast is all Fs in hex, or FF:FF:FF:FF:FF:FF. The layer 3 broadcast is 255.255.255.255, which means all networks and all hosts. DHCP is connectionless, which means it uses User Datagram Protocol (UDP) at the Transport layer, also called the Host-to-Host layer.

4. 

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?

A. SMTP
B. SNMP
C. DHCP
D. ARP

Answer: Option C

Explanation:

Dynamic Host Configuration Protocol (DHCP) is used to provide IP information to hosts on your network. DHCP can provide a lot of information, but the most common is IP address, subnet mask, default gateway, and DNS information.

5. 

Which of the following is private IP address?

A. 12.0.0.1
B. 168.172.19.39
C. 172.15.14.36
D. 192.168.24.43

Answer: Option D

Explanation:

Class A private address range is 10.0.0.0 through 10.255.255.255. Class B private address range is 172.16.0.0 through 172.31.255.255, and Class C private address range is 192.168.0.0 through 192.168.255.255.