In cross bar switch, the cross points can be calculated by_____ inputs and outputs.

• A) Subtracting
• B) Adding
• C) Dividing
• D) Multiplying

A fiber-optic cable transmit signals in the form of ____________.

• A) Sound
• B) None of the given
• C) Waves
• D) Light

_______________category of coaxial cable is used for thin Ethernet.

• A) RG-1
• B) RG-59
• C) RG-58
• D) RG-47

Radio waves are propagated in____________ whenever they are transmitted by an antenna.

• A) Only up and down direction
• B) Right direction
• C) Left direction
• D) All directions

The most common type of connector used by coaxial cable is ___________.

• A) RJ-11
• B) RJ-45
• C) RJ-57
• D) BNC

Coaxial cables are categorized by their_____________ ratings.

• A) Amplitude modulation (AM)
• B) Electronic Industries Association (EIA)
• C) Frequency modulation (FM)
• D) Radio Government (RG)

The fiber optic cable of type 7/125 is of _____ mode.

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

In unidirectional antenna, the common point where all the lines intersect each other is _______.

• A) Center
• B) Origin
• C) Focus
• D) Axis

Cable TV uses the _______________category of coaxial cable.

• A) RG-11
• B) RG-59
• C) RG-47
• D) RG-58

Which one of the following is not among the required phases for the actual communication in a circuit-switched network?

• A) Data transfer
• B) Protocol
• C) Setup
• D) Connection teardown

In _________ systems, resources are allocated on demand.

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

A virtual-circuit network operates on ____________ layer.

• A) Network
• B) Datalink
• C) Application
• D) Physical

LF (Low Frequency) band is used in _____ propagation.

• A) Sky
• B) Single Mode
• C) Ground
• D) Line of Sight

Wireless transmission can be divided into ____________ broad groups.

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

Multi-mode technology has ______________main types for light propagation.

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

Ships use ______ communication bands of frequency.

• A) 3-30 GHz
• B) 3-30 THz
• C) 3-30 MHz
• D) 3-30 kHz

Virtual Circuit Identifier is the ________________ of packet.

• A) Size
• B) Length
• C) Address
• D) Header

______________have established standards for using these signals for communication between devices such as keyboards, mice, PCs, and printers.

• A) Radio waves
• B) Infrared waves
• C) Simple waves
• D) Microwaves

Among the following cables given below, ___________cable provides highest bandwidth and less attenuation.

• A) STP
• B) UTP
• C) Coaxial cable
• D) Fiber optical

VCI address is _____________ address in virtual circuit approach.

• A) Variable
• B) Global
• C) Local
• D) Private