Q1. ______are attempts by
individuals to obtain confidential information from you by falsifying their
identity.
individuals to obtain confidential information from you by falsifying their
identity.
(a) Phishing trips
(b) Computer viruses
(c) Spyware scams
(d) Phishing scam
(e) Trojan horses
Q2. End-to-end encryption (E2EE)
is a system of communication where only the communicating users can read the
messages.
Encryption and decryption are
function of:
function of:
(a) Transport layer
(b) Session layer
(c) Presentation layer
(d) All of the above
(e) None of the above
Q3. A gateway can be used on
which of the following layers of the OSI model?
which of the following layers of the OSI model?
(a) Application
(b) Network
(c) Session
(d) All of the above
(e) None of the above
Q4. There is a device called a
____ which will function similar to a bridge for network transport protocols
that are not routable, and will function as a router for routable protocols.
____ which will function similar to a bridge for network transport protocols
that are not routable, and will function as a router for routable protocols.
(a) Router
(b) Gateway
(c) Brouter
(d) Hub
(e) Switch
Q5. In which layer is the
repeater used in the OSI model?
repeater used in the OSI model?
(a) Physical layer
(b) Network layer
(c) Transport layer
(d) Application layer
(e) Session layer
Q6. A _____ is a device that
forwards packets between networks by processing the routing information
included in the packet.
forwards packets between networks by processing the routing information
included in the packet.
(a) Bridge
(b) Firewall
(c) Router
(d) Switch
(e) Gateway
Q7. Wi-Fi is technically an industry term that
represents a type of wireless____ protocol based on the 802.11 IEEE network
standard.
represents a type of wireless____ protocol based on the 802.11 IEEE network
standard.
(a) LAN
(b) WAN
(c) MAN
(d) CAN
(e) TAN
Q8. What do you mean by
modulation of a signal?
modulation of a signal?
(a) Sending a file from one
system to other system
system to other system
(b) Transmitting higher frequency
signal over a lower frequency signal
signal over a lower frequency signal
(c) Transmitting lower frequency
signal over higher frequency signal
signal over higher frequency signal
(d) Creating duplicate copy of
every received character
every received character
(e) None of these
Q9. How many layers are there in
the TCP/IP protocol suite?
the TCP/IP protocol suite?
(a) 5
(b) 6
(c) 7
(d) 3
(e) 4
Q10. What is the technical term
for the devices connected in a network?
for the devices connected in a network?
(a) Hubs
(b) Nodes
(c) Sections
(d) Attachments units
(e) Access points
Q11. ________ is a type of
transmission impairment in which the signal loses strength due to the different propagation speeds of each
frequency that makes up the signal.
transmission impairment in which the signal loses strength due to the different propagation speeds of each
frequency that makes up the signal.
(a) Attenuation
(b) Distortion
(c) Noise
(d) Decibel
(e) None of these
Q12. The TCP/IP _______ layer is
equivalent to the combined session, presentation, and application layers of the
OSI model.
equivalent to the combined session, presentation, and application layers of the
OSI model.
(a) application
(b) network
(c) data link
(d) physical
(e) None of these
Q13. Congestion control is done
by :
by :
(a)Network layer
(b)Physical layer
(c)Presentation layer
(d)Application layer
(e)None of these
Q14. ADSL, SDSL, HDSL, and VDSL
are examples of different types of _______________________.
are examples of different types of _______________________.
(a) Digital Subscriber Lines
(b) digital modems
(c) cable-based broadband
(d) subscriber loop carriers
(e) None of these
Q15. The baud rate is :
(a) always equal to the bit
transfer rate
transfer rate
(b) equal to twice the bandwidth
of an ideal channel
of an ideal channel
(c) not equal to the signalling
rate
rate
(d) equal to half of the
bandwidth of an ideal channel
bandwidth of an ideal channel
(e) none of these
