A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
Subject: Information Technology Essentials Quiz ( MCQ and Answer )
Which type of server would support the SMTP, POP, and IMAP protocols?
Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
Which network device allows administrators to remotely manage many devices through one dashboard interface?
Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
Which type of server would be used to keep a historical record of messages from monitored network devices?
A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
Which well-known port number is used by the DHCP (client) protocol?
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
Which type of connection to the Internet is capable of the fastest transfer rates?
Which device provides wireless connectivity to users as its primary function?
Which pairs of wires change termination order between the 568A and 568B standards?
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
What is a characteristic of a WAN?
What is a common function of a proxy server?
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
How many devices can a Bluetooth device connect to simultaneously?
A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
When would a printer be considered a network host?
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)