Q1. Which of the following are type of Twisted Pair Cable?
(a) Coaxial Cable
(b) Shielded Twisted Pair (STP)
(c) Unshielded Twisted Pair (UTP)
(d) Only (b) and (c)
(e) All of the above
S1. Ans.(d)
Sol. STP and UTP are type of Twisted Pair Cable which are mostly used in all Networks.
Q2. Star Topology is based on a central device that can be a:
(a) HUB
(b) Switch
(c) Modem
(d) Both (a) and (b)
(e) Repeater
S2. Ans.(d)
Sol. Hub and Switch can be used as central device in star topology.
Q3. Routing is done on which layer?
(a) Datalink Layer
(b) Network Layer
(c) Session
(d) Presentation
(e) Application
S3. Ans.(b)
Sol. Routing is done on Network Layer.
Q4. Which among the following device performs modulation and demodulation?
(a) Modem
(b) Fiber optic
(c) Satellite
(d) Coaxial Cable
(e) Repeater
S4. Ans.(a)
Sol. A modem (modulator-demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.
Q5. What is an ad hoc query?
(a) Pre-planned question
(b) Pre-scheduled question
(c) Spur-of-the-moment question
(d) Question that will not return any results
(e) None of these
S5. Ans (c)
Sol. An Ad-Hoc Query is a query that cannot be determined prior to the moment the query is issued. It is created in order to get information when need arises and it consists of dynamically constructed SQL which is usually constructed by desktop-resident query tools.
