Q: If the checksum doesn’t compute for a packet sent at the Internet Protocol (IP) level, what will happen to the data? or Q: What would happen to the data if the checksum for a packet delivered at the Internet Protocol (IP) level is not computed? The data will be sent back to the sending node with an error. It…

Q: You are sending a very small amount of information that you need the listening program to respond to immediately. Which Transmission Control Protocol (TCP) flag will be used? or Q: You are transmitting a little bit of data, and you need a quick response from the listening software. Which TCP (Transmission Control Protocol) flag is going to be utilized?…

Q: What port does the File Transfer Protocol (FTP) typically listen on? or Q: What port is usually used for File Transfer Protocol (FTP) listening? 443 80 25 21 Explanation: The command and control channel is accessed via port 21, whereas data transmission takes place through a separate port (usually port 20 when the system is operating in active mode).

Q: In what order will the Transmission Control Protocol (TCP) generally send all segments? or Q: Which sequence will all segments typically be sent by the Transmission Control Protocol (TCP)? Prioritized Largest to smallest Random Sequential Explanation: TCP is responsible for ensuring that data segments are communicated and received in the order in which they were delivered. This guarantees that…

Q: Which of the following is a valid IP address? or Q: Is the following list of IP addresses valid? 126.396.659.100 A8:97:4F:6D:H6:0F 598.36.789 128.42.64.78 Explanation: Because all of the octets are within the range of 0-255 and conform to the appropriate format for IPv4 addresses, this IPv4 address is considered to be legitimate.

Q: A single octet in an IP address represents what range of decimal numbers? or Q: Which range of decimal digits is represented by a single byte in an IP address? 0-250 0-155 1-255 0-255 Explanation: The range of decimal values that may be represented by a single octet in an Internet Protocol address is from 0 to 255. Each…

Q: In a datagram, what does the flag field indicate? or Q: What does the flag field in a datagram mean? If a datagram has degraded and become unusable If a datagram should be scanned for viruses If a datagram is high or low priority If a datagram is allowed to or has already been fragmented Explanation: Whether or not…

Q: In a Class A address, the possible values for the first octet are: or Q: The following are potential values for the first octet of a Class A address: 255 through 420 128 through 199 0 through 127 0 through 255 Explanation: The range of potential values for the first octet of an IP address that is classified as…

Q: Why do entries in a local Address Resolution Protocol (ARP) table expire after a short amount of time? or Q: What causes entries in a local Address Resolution Protocol (ARP) table to vanish quickly? To account for network changes To keep space in the table It only needs to be used one time It will use too much memory…

Q: What does CIDR stand for? or Q: What is the acronym for CIDR? Clear Inter-Developer Relations Classic Intra-Demo Ratings Costless Inter-Data Routing Classless Inter-Domain Routing Explanation: Classless Inter-Domain Routing is what CIDR is an abbreviation for. The former class-based system of IP address allocation has been replaced by this technique, which is a different approach to the allocation of…