Certiport IT Specialist Certification Exam Section 1 & 2 Questions And Answers With Verified Solutions

what is a VPN(Virtual Private Network)? - ️️a network service that encrypts and secures a data connection to a company LAN What is internet? - ️️interconnected networks What is Intranet? - ️️allows only users within an organization to access What is Extranet? - ️️allows business and educational organizations to access What is a virtual machine? - ️️a software enabled emulated operating system Unicast is 1 to 1 communication - ️️true multicast is 1 to many communication - ️️true broadcast is one to all communications - ️️true What is the Internet of Things (IOT) ? - ️️an idea that all devices are connected to the internet What is Remote Desktop: Port 3389? - ️️it allows remote connection to another computer system What is a perimeter Network = DMZ? - ️️it protects private networks (Internal Lan) from the Internet A web server should be placed in the perimeter network - ️️true 802.11a stanard is 54mbps and 5.0 ghz - ️️true What is 802.11b standard? - ️️11 Mbps & 2.4 Ghz What is 802.11g standard - ️️54 mbps & 2.4 ghz What is 802.11n standard - ️️600 mbps & 2.4/5.0 ghzWhat is 802.11ac standard - ️️1.3Gbps & 2.4/5.0A/5.0 B ghz Is WEP encrypted? - ️️No, it is weak and susceptible to hacks What is WPA? - ️️stronger that WEP, but weaker that WPA2 What is WPA/WPA2 Enterprise? - ️️Uses a RADIUS Server for companies What is 802.1x? - ️️a wireless setting that uses security certifications What are advantages of Mesh Topology? - ️️very redundant(if something breaks it doesn't shutdown the whole system) and every machine is connected to each other what is the central device of a Star ? - ️️switch