WorksheetsModel-III EC8702 AWSN-part-B
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Routers find a feasible path to a destination based on what criteria?
a)
hop length
b)
minimum power
c)
network lifetime
d)
all of them
2.
The provisioning of temporary Internet services to major conference venues, sports venues, temporary military settlements, battlefields are done by
a)
IoT
b)
wireless sensor network
c)
Adhoc wireless internet
d)
all of them
3.
The major challenges that a routing protocol designed for ad hoc wireless networks faces are <br />a. mobility of nodes<br />b. resource constraints<br />c. error-prone channel<br />d. hidden and exposed terminal problems.
a)
a & b
b)
a & d
c)
A & c
d)
all of them
4.
wireless sensor networks typically use communication frequencies between
a)
433 MHz and 2.4 GHz
b)
2.4 GHz and 5 GHz
c)
4 GHz and 5 GHz
d)
below 100 MHz
5.
Transceiver of Sensor node is responsible for
a)
Routing
b)
Medium access
c)
modulation
d)
all of them
6.
Receiving antenna uses which kind of amplifier
a)
power amplifier
b)
Low noise amplifier
c)
High gain amplifier
d)
all of them
7.
By choosing a small duty cycle, the transceiver is in _____ mode most of the time, avoiding______listening and conserving _______. a. Energy,Sleep, Idle b. Idle,sleep, Energy c.Sleep,Idle,Energy d. Enery, Idle,Sleep
a)
a
b)
b
c)
c
d)
d
8.
Which protocol is compatible with IEEE 802.15.4 low-rate WPAN standard
a)
S-MAC
b)
STEM
c)
Mediation device
d)
none of them
9.
"Listen before talk" procedure is applicable for
a)
shedule based protocol
b)
contention based protocol
c)
mediation device protocol
d)
all of them
10.
an attacker receives packets at one location in the network and tunnels them (possibly selectively) to another location in the network, where the packets are resent into the network
a)
Blackhole attack
b)
Wormhole attack
c)
Byzantine attack
d)
none of them
11.
Session hijacking is targeted to which layer protocol stack
a)
Network
b)
Transport
c)
Application
d)
Link layer
12.
Repudiation is an example of ____________layer attack
a)
Network
b)
Transport
c)
Application
d)
Link layer
13.
Which is a Dataflow-Style Language
a)
nesC
b)
TinyGALS
14.
Name the simulator that assumes time is continuous and an event may occur at any time
a)
cycle-driven simulators
b)
discrete-event simulators
15.
The main functionality of ns-2 is implemented in _______ language
a)
C
b)
C++
c)
JAVA
d)
none of them
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