The fiber optic possess layer of_____ right inside after outer jacket.

• A) Core
• B) DuPont Kevlar
• C) Cladding
• D) Plastic Buffer

Datagram approach and virtual circuit approach are two popular approaches which lead us to ______________.

• A) Dynamic switching
• B) Line switching
• C) Circuit switching
• D) Packet switching

Electromagnetic waves ranging in frequencies between 3 kHz and 1 GHz are called_____________.

• A) Light wave
• B) Infrared waves
• C) Radio waves
• D) Microwaves

Electromagnetic waves ranging in frequencies between 1 and 300 GHz are called_____________.

• A) Infrared waves
• B) Radio waves
• C) Light wave
• D) Microwaves

Cable TV networks use_____________ cables.

• A) Twisted pair
• B) Coaxial
• C) UTP
• D) STP

Data link layer is divided into ________ sub layers.

• A) Seven
• B) Three
• C) Five
• D) Two

Packet Switching operates on ___________ layer.

• A) Data link layer
• B) Application layer
• C) Physical layer
• D) Network layer

Switching at the _____layer in the traditional telephone network uses the circuit-switching approach.

• A) Session Layer
• B) Network Layer
• C) Data Layer
• D) Physical Layer

Microwaves are ______________.

• A) Multi directional
• B) Bi directional
• C) Unidirectional
• D) Omni directional

If the message is going to pass through a packet-switched network, it can be divided into packets of ________________.

• A) None
• B) Both fix and variable size
• C) Variable size
• D) Fixed size

Congestion Control is a feature of _______ layer(s).

• A) Data Link
• B) Transport
• C) Network
• D) All mentioned

A twisted pair cable consists of ____________conductors.

• A) Two
• B) Three
• C) Four
• D) Five

In circuit switched networks we have low efficiency but minimal ____________.

• A) Speed
• B) Errors
• C) Throughput
• D) Delay

When certain obstacles block the cellular towers to communicate, _______ are required for long distance communication.

• A) Servers
• B) Repeaters
• C) Switches
• D) Routers

In circuit switching total Delay is combination of Connection Time, Data transfer time and _______________.

• A) Receiving time
• B) Connection Tear down time
• C) Switching time
• D) Acknowledgement time

A3:34:45:11:92:F1 is a ____________________ link layer address.

• A) Multicast
• B) Broadcast
• C) Unicast
• D) Multiplex

Most commonly used connector for twisted pair cable is ________.

• A) RJ-44
• B) RJ-52
• C) RJ-45
• D) RJ-11

Circuit switch is not as efficient as Packet switch because of the______.

• A) Limited Resource
• B) Resource Unavailability
• C) Un optimized Resource
• D) Dead Resource

Density of the core at the destination decreases in_______ propagation mode.

• A) Multimode, step index
• B) Single mode, step index
• C) Multimode, graded index
• D) Single mode, graded index

RG-11 having impedance of 50 Ohm is used in ______ Ethernet.

• A) Fast
• B) Thick
• C) Gigabit
• D) Thin