Q: Imagine the following scenario: you are an IT support specialist, and a user brings in their laptop to be repaired. They report that since they downloaded an operating system update, their laptop has “frozen.” What fast remediation step might you try first? or Q: Envision this situation: an individual brings in their laptop for repair, and you, as an…

Q: Imagine this scenario: you are an IT support specialist and a user contacts you over chat about their mobile phone. They report that an app that they’ve used for weeks now crashes whenever they try to open it. What questions should you ask? or Q: Consider the following situation: you work as an IT support professional, and a user…

Q: ___________________ should be the first step when troubleshooting or Q: When troubleshooting, ___________________ should be the first thing to do. Gathering information to identify the problem by asking the user questions Asking the user to restart the computer Telling the user to run a virus check Asking the user to clear the web browser cache Explanation: In the first…

Q: What are the main ways we document information in the IT industry? or Q: Which methods are most often used in the IT business to record information? Chat rooms Ticketing or bug systems Procedures and policies Emails to users Explanation: As a means of tracking and managing concerns that have been reported by consumers or identified during testing, several…

Q: QoS services are protocols that allow routers to make decisions about which IP datagram may be more important than others. Under which IP header field would QoS details be found? or Q: Routing protocols that provide QoS services give routers the ability to prioritize some IP datagrams over others. Which IP header field would QoS information be located under?…

Q: What is the purpose of an ARP response? or Q: What does an ARP response serve to accomplish? To improve authentication security To prevent a flood of UDP packets To let a broadcasting node know what is the MAC address to put into the destination hardware address field To send an ACK message to the broadcasting computer Explanation: The…

Q: What is one main reason CIDR is helpful in modern networking? or Q: What is the primary benefit of CIDR in contemporary networking? CIDR increases network security with no additional resources CIDR simplifies MAC address assignment CIDR lowers the amount of power needed to run a server CIDR allows for more arbitrary network sizes Explanation: Without respect to the…

Q: Interior gateway protocols are used by routers in order to share information within a single… or Q: Routers use interior gateway protocols to exchange data inside a single Subnet Autonomous system Collision domain Destination network Explanation: Inside a single autonomous system (AS), routers make use of interior gateway protocols, also known as IGPs, to communicate routing information with one…

Q: How many bits long is an Autonomous System Number (ASN)? or Q: What is the length of an Autonomous System Number (ASN) in bits? 32 8 64 16 Explanation: Sixteen bits make up an Autonomous System Number (ASN).

Q: Which protocol provides mechanisms ensuring data is reliably delivered? or Q: Which protocol offers the means to guarantee the reliable delivery of data? Dynamic Host Configuration Protocol (DHCP) Transmission Control Protocol (TCP) User Datagram Protocol (UDP) Internet Protocol (IP) Explanation: The Transmission Control Protocol (TCP) is the protocol that is responsible for providing mechanisms that guarantee the delivery of…