unit 14 + Unit 13 Recap + Unit 16 first 4 lessons

It can be explained as an electrically controlled light switch, move information from one electric circuit to another

storing information in a more durable form

selects correct frequency

The set of different instructions it is able to understand

store and record video from the cameras connected to it

The larger the focal length number (e.g., 12mm) = the wider the field of view, the higher the zoom ratio

Wi-Fi network uses a radio frequency signal instead of wires

a firm leases space in a data center energy efficiency owned by others and located off the company’s premises .

data travel at the same speed in both directions. Downloads and uploads have the same bandwidth.

allowing the same piece of equipment to run multiple operating systems at the same time.

Advantage of fixed internet access network …................

Having all the necessary building information makes it possible to reduce maintenance costs

a thin layer of software often runs directly on the hardware

measurement of radiation around an antenna

is a device which enables personnel to raise the alarm

Suitable for omnidirectional applications

Call points and detectors are arranged in “Zones” to simplify locating the cause of the alarm in Conventional System

Is a piece of software that builds higher-level abstractions and concepts

maximum power in the direction of the main lobe compared to the power of an isotropic radiator

The DVR converts the video from the camera into a compressed digital form that can be stored on a hard disk

in BMS By automating the installations, possible failures are reduced and efficiency is increased

allows administrators to generate reports

contains an antenna that connects to and receives power from the access control panel

It has a display revealing the current state (alarm or no alarm) of the fire alarm system and a touch pad

Both NAPs and MAEs are referred to as .........................

Coaxial cables are unable to support audio transmission - an additional ........... connection is required to support it

smoke interferes with a light beam between a light source and photocell. The photocell measures the amount of light it

802.11a were incompatible, meaning that 802.11a devices couldn't communicate with the other versions

Strength of signal falls off with distance over transmission medium

gets installed on one or both sides of the door

Considered as an umbrella that includes any communication device

Analog cameras can work Ethernet infrastructure using an adapter called .................

standard was ratified in June 2003 and is backward compatible to 802.11b.

IP Cameras can work using coaxial infrastructure using IP over .....................

ATM uses a …....... model in which a virtual circuit must be established between two endpoints

This system support POE

Radio frequency Range ..............

the type of this video recorder

strengthens the initial signal

transfer information and provide power to the camera on the same cable

stores the authorization information which is configured by the system administrator

short or open wiring develop in the circuits connecting the fire alarm panel

If you are not sure about the lens, choose a camera with a ..............

connects the OLT and the ONU

is a digital transmission system, which is used to transmit voice and data through copper telephone wires.

An electronic circuit reading instructions from memory

BMS cannot produce data reports

Multi-sensor detectors is a device which enables personnel to raise the alarm

RF waves can be absorbed, refracted, or reflected by walls, water, and metal surfaces, resulting in high signal strength

monitors and has supervisory function over all of the fire alarm system

a computer system installed in a building that will communicate with the building's equipment.

can be used to correct mistakes in the chip design

equal radiation in all directions (three dimensional) - only a theoretical reference antenna

directs packets to a specific application on a computer using a port number.

operates on the Tyndall effect

is a private network designed for a company with multiple locations

Suitable for point-to-point transmission

Which DSL type that has different download and upload speed.

combines signal with oscillator and produces 900 MHz (also does modulation, etc)

central elements of a computer .............................

Addressable fire alarm systems provide exact locations of detector or call point has initiated the alarm.

the most widely deployed wireless standard,that delivers a maximum data rate of 11Mbps

the more we can divide a building into zones, the more accurate locating the alarm trigger will be.

electrical conductor or system of conductors to send/receive RF signals

the type of this video recorder

a piece of code that is loaded onto non-volatile memory

Microwave frequency Range ..............

Internet backbone is made up of many large networks which interconnect with each other

Digital Video Recorder. It is compatible with Analog cameras.

Attenuation is higher at higher frequencies, causing distortion

What is the function of cooling systems in a data center?

The wrong choice of the type of cables means an decreased cost and difficulty in installation in the future,

group of digital technologies that can provide high-speed digital signal over the existing twisted-wire in local loops

Several frames are sent by several antennas over several paths

ICT allows a company to be more efficient, effective, and responsive to consumer needs.

Wireless LAN is a slandered protocol that starts with 803.11

There are chances of false alarms with automatic detection

these systems are examples of light current systems except .....

Power over Ethernet (PoE) allows both power and data to be transmitted through a single Ethernet cable

TV1 This is for Hikvision and is considered the number one in terms of sales of surveillance systems in the world.

can be used as a comprehensive access method to provide high bandwidth and QoS guarantee capabilities

this type of VPN allows users to access regionally restricted content from anywhere in the world.

The digital image is divided into longitudinal and transverse lines, thus forming squares, each square is called a pixel

one of the slowest types of Internet connection, used to enable internet connectivity with a telephone connection

sounds the alarm and alerts occupants to the fire

If a transmitter has input power level of 12 dBm and is connected to an antenna with a 10 dBi gain using a 4 dB loss.

combine inputs from both optical and heat sensors and process them

the input to a logic gate depends on the output of the same gate.

ISDN is somewhat more expensive than DSL.

If you want to monitor a limited area, you should go ............ makes visibility narrow and things closer

When an initiating device is activated, the system goes into an ................ State

type of smoke detectors

When all devices, appliances, wiring are operating correctly, and no alarms are activated,the system in .......... state

2.4 GHz is better for applications requiring high bandwidth like streaming video.

is a group of commands for a central processing unit (CPU) in machine language.

The benefit of data centers is the use of email and sharing to communicate

What is the main purpose of an Uninterruptible Power Supply (UPS) in a data center?

the part of the alarm system which detects smoke or a fire.

broadband technology but without interacting with any cable connection, availability anywhere in the world

Omnidirectional antennas uses Higher frequency

increase the transmitting power and gain lower transmitting distance

There are no chances of false alarms with automatic detection in fire alarm systems

used to refer to the convergence of audio visuals and telephone networks with computer networks

useful for cloud services that offer platforms as a service.

22-core Intel Xeon Broadwell E5 . This is a CPU chip containing............. processors

converges the signals carrying various services and sends them to the access part

Infrared frequency Range ..............

an integrated electronic circuit that performs the calculations that run a computer

enterprise data centers are owned and managed by cloud service providers like AWS and Microsoft Azure

IP directs packets to a specific computer using an IP address.

Gaussian or white noise affects all frequencies equally.

The signal must maintain a level sufficiently lower than noise to be received without error

a standalone device or a complete network of devices, which gives audible and/or visible warning of an

updates have improved the power consumption of mobile phones.

By using higher frequencies, you can attain higher data rates, but cover lower distances

Converts binary packet data to network signals and back. (E.g. ethernet network card, modem for phone lines, etc.)

The gear needed to create a business network includes switches, routers ,firewalls and other cybersecurity elements

the fire alarm control panel is the user interface and central monitoring and controlling element of the system.