1.Standard port number for secure MQTT is ?





2.IANA stands for ?






3.Is MQTT a Standard ?




4.Which of the following tool helps customers to fasten the process of creating automated test cases for SAP systems ?




5.Bluetooth 5.0 promises ?





6.Terms SSL and TLS stand for ?





7.Which transport layer protocols is used by DHCP ?





8.Which layer is called a port layer in OSI model ?





9.Which one out of these is not a data link layer technology ?






10.What is a firewall in computer networks ?





11.Router operate at ............ layer of OSI reference model ?





12.Each IP packet must contain ?





13.What is the standard length of MAC address ?






14.Which one of this is not a networking device ?







15.What is the use of Ping command ?