Computer Awareness Questions for IBPS Mains Exams (28 – 09 –
2017)
1. Which of
the following is refers to a small, single-site network?
(a) LAN
(b) DNS
(c) USB
(d) RAM
Answer: A)
Explanation: Typically, a LAN encompasses
computers and peripherals connected to a server within a distinct geographic
area such as an office or a commercial establishment.
2. A ______ often simply referred to as a network, is a collection
of hardware components and computers interconnected by communication channels
that allow sharing of resources and information.
(a)
Computer network
(b) Router
(c) Modem
(d) WWW
(e) None of
these
Answer: A)
Explanation: A computer network, often simply
referred to as a network, is a collection of hardware components and computers
interconnected by communication channels that allow sharing of resources and
information.
3. A _____
is a system of digital message formats and rules for exchanging those messages
in or between computing systems and in telecommunications.
(a)
Communication protocol
(b) Router
(c) Modem
(d) DNS
(e) None of
these
Answer: A)
Explanation: Communication protocols are formal
descriptions of digital message formats and rules. They are required to
exchange messages in or between computing systems and are required in
telecommunications.
4. Which is
commonly used protocol for exchanging files over any network that supports the
TCP/IP protocol.
(a) FTP
(b) TCP
(c) SMTP
(d) HTTP
(e) None of
these
Answer: A)
Explanation: The File Transfer Protocol (FTP) is
a standard network protocol used to transfer computer files between a client
and server on a computer network.
5. LAN card
is also known as ______.
(a) CIN
(b) INC
(c) NIC
(d) ICN
(e) None of
these
Answer: C)
Explanation: The NIC contains the electronic
circuitry required to communicate using a wired connection (e.g., Ethernet) or
a wireless connection (e.g., WiFi). A network interface card is also known as a
network interface controller, network adapter, or Local Area Network (LAN)
adapter.
6. Which of
the following protocols uses both TCP and UDP?
(a) FTP
(b) SMTP
(c) Telnet
(d) DNS
(e) None of
the above
Answer: D)
Explanation: DNS can use either the User
Datagram Protocol (UDP) or Transmission Control Protocol (TCP) with a
destination port of 53.
7. A ______
is a data communications network that covers a relatively broad geographic area
and that often uses transmission facilities provide by common carries, such as
telephone companies.
(a) WAN
(b) LAN
(c) MAIN
(d) SAN
(e) None of
these
Answer: A)
Explanation: A wide-area network (WAN) spans a
relatively large geographical area and typically consists of two or more
local-area networks (LANs).
8. If you
use either Telnet of FTP, which is the highest layer you are using to transmit
data?
(a)
Presentation
(b)
Application
(c) Session
(d)
Transport
(e) None of
these
Answer: B)
Explanation: Application layer is the highest
one to transmit the data.
9. Frames
from one LAN can be transmitted to another LAN via the device-
(a) Router
(b) Bridge
(c)
Repeater
(d) Modem
(e) None of
these
Answer: B)
Explanation: Bridge is used to transmitted the
frames from one LAN to another.
10. Router
operates in which layer of the OSI model?
(a)
Physical layer
(b) Data
link layer
(c) Network
layer
(d) All of
these
(e) None of
these
Answer: C)
Explanation: Router operates on the network
layer.
11.
End-to-end connectivity is provided from host-to-host in -
(a) Network
layer
(b) Session
layer
(c) Data
line layer
(d)
Transport layer
(e) None of
these
Answer: D)
Explanation: End-to-end connectivity is provided
from host-to-host in transport layer.
12. What is
the meaning of Bandwidth in Network?
(a)
Transmission capacity of a communication channels
(b)
Connected Computers in the Network
(c) Class
of IP used in Network
(d) All of
above
(e) None of
above
Answer: A)
Explanation: Bandwidth in Network Transmission
capacity of a communication channel.
13. Which
of the following TCP/IP protocol is used for transferring electronic mail
messages from one machine to another?
(a) FTP
(b) SNMP
(c) SMTP
(d) RPC
(e) None of
these
Answer: C)
Explanation: SMTP (Simple Mail Transfer
Protocol) is a TCP/IP protocol used in sending and receiving e-mail.
14. What is
the default subnet mask for a class C network?
(a)
127.0.0.1
(b)
255.0.0.0
(c)
255.255.0.0
(d)
255.255.255.0
(e) None of
these
Answer: D)
Explanation: Subnet Mask is made by setting
network bits to all "1"s and setting host bits to all "0"s.
the default subnet mask for a class C network is 255.255.255.0.
15. Hubs
are present in the network-
(a) To
diagnose line failures, measure and manage traffic flow and simplify
reconfiguring of LANs
(b) To
interconnect the LAN with WANs
(c) To
check the network
(d) All of
these
(e) None of
these
Answer: B)
Explanation: Hubs are commonly used to connect
segments of a LAN.
