Computer Networking – Basics MCQs

This set of Computer Networking Multiple Choice Questions and Answers (MCQs) focuses on Computer Networking Basics MCQs.
 
This Section covers below lists of topics.
1 INTERNET BASICS

  • Networks
  • Switching
  • The Internet
  • Accessing the Internet
  • Hardware and Software

2 PROTOCOL LAYERING

  • Scenarios
  • TCP/IP Protocol Suite
  • The OSI Model

3 INTERNET HISTORIES

  • Early History
  • Birth of the Internet
  • Internet Today

4 STANDARDS AND ADMINISTRATION

  • Internet Standards
  • Internet Administration

 

1
. A local area network (LAN) is defined by _______________
  • The geometric size of the network
  • The maximum number of hosts in the network
  • The maximum number hosts in the network and/or the geometric size of the network
  • The topology of the network
2
. The largest geographic area a wide area network (WAN) can span is
  • a town
  • a state
  • a country
  • the world
3
. The TCP/IP protocol suite consists of _______ layers.
  • two
  • Three
  • five
  • six
4
. A router is involved in ____________ layers of the TCP/IP protocol suite.
  • two
  • Three
  • four
  • five
5
. A link-layer switch is involved in ______________ layers of the TCP/IP protocol suite
  • two
  • Three
  • four
  • five
6
. In the TCP/IP protocol suite, which of the following is an application layer protocol?
  • The User Datagram Protocol (UDP)
  • The Internet Protocol (IP)
  • The File Transfer Protocol (FTP)
  • The Transmission Control Protocol (TCP)
7
. In the TCP/IP protocol suite, which of the following is a transport layer protocol?
  • The Internet Control Message protocol (ICMP)
  • The Internet Protocol (IP)
  • The Address Resolution Protocol (ARP)
  • The Transmission Control Protocol (TCP)
8
. In the TCP/IP protocol suite, which of the following is a network layer protocol?
  • The Stream Control Transmission Protocol (SCTP)
  • The Secure Shell (SSH)
  • The Internet Protocol (IP)
  • User Datagram Protocol (UDP)
9
. In the TCP/IP protocol suite, the ______ layer is responsible for moving frames from one hop (node) to the next.
  • physical
  • data link
  • transport
  • network
10
. The transport-layer packet in the TCP/IP protocol suite is called
  • a message
  • a datagram
  • a segment or a user datagram
  • a frame
11
. In the TCP/IP protocol suite, the physical layer is concerned with the movement of _______ over the physical medium.
  • programs
  • dialogs
  • protocols
  • bits
12
. In the TCP/IP protocol suite, a port number is the identifier at the ____________.
  • application layer
  • transport layer
  • network layer
  • physical layer
13
. In the TCP/IP protocol suite, a logical address is the identifier at the _______________.
  • network layer
  • transport layer
  • data-link layer
  • application layer
14
. The _________ layer is responsible for the delivery of a message from one process to another.
  • physical
  • transport
  • network
  • application
15
. The Internet Protocol (IP) is ________ protocol.
  • a reliable
  • a connection-oriented
  • a reliable and connection-oriented
  • an unreliable
16
. The application layer in the TCP/IP protocol suite is usually considered to be the combination of ________ layers in the OSI model
  • application, presentation, and session
  • application, transport, and network
  • application, data-link, and physical
  • network, data-link, and physical
17
. A proposed standard is elevated to ________ standard status after at least two successful tries.
  • informational
  • historic
  • draft
  • None of the choices are correct
18
. An RFC is labeled ________ if it must be implemented by all Internet systems.
  • required
  • elective
  • recommended
  • None of the choices are correct
19
. In the original ARPANET, _______ were directly connected to each other.
  • interface message processors (IMPs)
  • host computers
  • networks
20
. _______ was formed to connect universities with no defense ties.
  • ARPANET
  • CSNET
  • NSFNET
  • ANSNET
21
. Currently _______ is responsible for the management of Internet domain names and addresses
  • NIC
  • ICANN
  • ISOC
  • IEFE
22
. In TCP/IP, a message at the application layer is encapsulated in a packet at the ________ layer.
  • network
  • transport
  • data link
  • physical
23
. In TCP/IP, a message at the transport layer is encapsulated in a packet at the ________ layer.
  • network
  • transport
  • data link
  • physical
24
. In TCP/IP, a message belonging to the network layer is decapsulated from a packet at the ________ layer.
  • network
  • transport
  • data link
  • physical
25
. In TCP/IP, a message belonging to the transport layer is decapsulated from a packet at the ________ layer
  • network
  • transport
  • data link
  • physical
26
. In TCP/IP, a logical connection between an entity at the network layer can be made with another entity at the ________ layer.
  • network
  • transport
  • data link
  • physical
27
. In TCP/IP, a logical connection between an entity at the data-link layer can be made with another entity at the ________ layer.
  • network
  • transport
  • data link
  • physical
28
. In TCP/IP, a packet at the third layer carries data belonging to the ________ layer and the header belonging to the _________ layer.
  • third; third
  • third; fourth
  • fourth; third
  • fourth; fourth

 
 
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