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

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

gets installed on one or both sides of the door

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

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

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

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

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

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

updates have improved the power consumption of mobile phones.

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

sounds the alarm and alerts occupants to the fire

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

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

stores the authorization information which is configured by the system administrator

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

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

is a device which enables personnel to raise the alarm

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

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

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

Which DSL type that has different download and upload speed.

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

combine inputs from both optical and heat sensors and process them

allows administrators to generate reports

Attenuation is higher at higher frequencies, causing distortion

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

An electronic circuit reading instructions from memory

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

can be used to correct mistakes in the chip design

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

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

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

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

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

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

Considered as an umbrella that includes any communication device

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

operates on the Tyndall effect

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

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

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

useful for cloud services that offer platforms as a service.

ISDN is somewhat more expensive than DSL.

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

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

Suitable for point-to-point transmission

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

store and record video from the cameras connected to it

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

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

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

connects the OLT and the ONU

Wireless LAN is a slandered protocol that starts with 803.11

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

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

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

type of smoke detectors

measurement of radiation around an antenna

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

Omnidirectional antennas uses Higher frequency

is a private network designed for a company with multiple locations

Digital Video Recorder. It is compatible with Analog cameras.

selects correct frequency

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

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

This system support POE

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

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

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.

Strength of signal falls off with distance over transmission medium

BMS cannot produce data reports

There are chances of false alarms with automatic detection

Gaussian or white noise affects all frequencies equally.

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

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

storing information in a more durable form

strengthens the initial signal

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

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

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

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

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

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

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

Suitable for omnidirectional applications

a thin layer of software often runs directly on the hardware

increase the transmitting power and gain lower transmitting distance

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

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

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

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

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

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

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

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

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

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

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

the type of this video recorder

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

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

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

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

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

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

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

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

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

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

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

Several frames are sent by several antennas over several paths

the type of this video recorder

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

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

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

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

The set of different instructions it is able to understand

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