1. ------------Uses the standard called IEEE
802.11
a)
Bluetooth b) Wireless LAN c) Internet d) MAN e)
None of these
2. Repeater operates on which layer of OSI Model
a)
Network Layer b) Physical Layer c) Data link
Layer d) Application Layer e) Transport Layer
3 3.Ping command is used for________
a)
Test a device o a network whether it is
reachable
b)
Test a hard disk to find bad sector
c)
Test a
bug in the application
d)
Test devices scanning quality
e)
None of these
4. Which of
the following identifies specific web page and its computer on the
web?
a) Website
b) URL c) Domain name d) Website Address e) DNS
5.
The OSI model consists of ____________ layer
a)
Nine b) Eight c) Seven d) Five e) Four
6.
LANs can be connected by devices called ________
which operates in the data link layer.
a)
Router b) Gateway c) NIC d) Bridge e) Repeater
7.
Which device provides MAC address
a)
NIC b) Modem c) DNS d) Hub e) None of these
8.
Network layer protocol used to route packets
between hosts .
a)
IP b) FTP c) TCP d) SMTP e) POP
9.
What is the name given to the exchange of
control signals which is necessary for establishing a connection between a
modem and a computer at one end of a line and another modem and computer at the
other end?
a)
Handshaking b) Modulation c) Demodulation d) Decoding
e) Encoding
10. An
important application of cryptography, used in computerized commercial and
financial transactions.
a)
Data Mining b) Data Warehousing c) Digital
Signature d) Web hosting e) None of these
11. Which
layer of OSI determines the interface of the system with the user?
a)
Network b) Application c) Data link d) Session
e) Physical
12.At
__________ layer, TCP and UDP works
a)
Transport b) Network Layer c) Session Layer d) Physical Layer e) None of these
13.Encryption
and Decryption of data are the responsibility of ____ Layer
a) Network
b) Application c) Data link d) Session e) Presentation
14.In a ring
topology, the computer in possession of the _______ can transmit data.
a)
packet b) data c) ring d) token e) None of these
15. The IP address 135.0.10.27
belongs to address class
a) A
class b) B class c) C class d) D
class e) None of these
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