Q: HTTP is an example of a(n)______layer protocol. or Q: An example of an a(n)______ layer protocol is HTTP. network transport data-link application Explanation: According to the Open Systems Interconnection (OSI) architecture, the application layer is in charge of delivering network services directly to end-users and applications. The Hypertext Transport Protocol (HTTP) is used for the transport of web pages…

Q: Fill in the blank: A DNS record that’s used to redirect traffic from one domain name to another is known as a record. or Q: Complete the blank: A DNS record is a piece of information that is used to reroute traffic from one domain name to another. SQA QUAD A NS CNAME Explanation: Through the use of CNAME…

Q: Which portion of a domain is known as the ‘www” portion? or Q: What is referred to as the “www” component of a domain? The Top Level Domain (TLD) name The DNS Resolver The Dynamic Host Configuration Protocol (DHCP) The subdomain Explanation: An example of a URL is www.example.com, where “www” is a subdomain of the main domain “example.com.”…

Q: Along with an IP address, a subnet mask, and a name server, which of the following is the other thing required for a computer to operate on a network? or Q: Which additional need is there for a computer to function on a network in addition to an IP address, a subnet mask, and a name server? A NTP…

Q: What technique is used with Network Address Translation (NAT) when a source port chosen by a client is the same port used by a router? or Q: When a client selects a source port that a router already uses, what method of Network Address Translation (NAT) is employed? Preservation Forwarding Masquerading Translation Explanation: When doing NAT, port preservation ensures…

Q: Which of these technologies uses encrypted tunnels to allow for a remote computer or network to act as if it’s connected to a network that it’s not actually physically connected to? or Q: Which of these technologies makes use of encrypted tunnels to provide the impression that a distant computer or network is physically linked to a network even…

Q: Nodes on a network have the ability to direct traffic toward many different receiving services. What provides this ability in the transport layer? or Q: Traffic on a network may be routed by nodes to a variety of receiving services. What in the transport layer provide this capability? Socket address Multiplexing Demultiplexing File Transfer Explanation: Through the process of…

Q: Which field in the TCP header provides the information for the receiving network device to understand where the actual data payload begins? or Q: Which TCP header field contains the information needed by the receiving network device to determine the start of the actual data payload? Sequence number Checksum Data offset Acknowledgement number Explanation: The Data Offset, which is…

Q: A Transmission Control Protocol (TCP) connection is established and two devices ensure that they’re speaking the same protocol. What has occurred? or Q: Two devices establish a Transmission Control Protocol (TCP) connection and confirm that they are speaking the same protocol. What has happened? Two-way handshake Three-way handshake Four-way handshake Handwaving Explanation: A three-way handshake takes place when a…

Q: A connection has been terminated and no communication is possible. What is the Transmission Control Protocol (TCP) socket state? or Q: There is no way to communicate once the link was cut. What is the socket status for Transmission Control Protocol (TCP)? CLOSE_WAIT FINISHED CLOSED FIN_WAIT Explanation: The connection has been completely severed while it is in the CLOSED…