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What protocol allows hosts to exchange messages to indicate problems with packet delivery?
ICMP The Internet Message Protocol (ICMP) allows hosts to exchange messages to indicate the status of a packet as it travels through the network.
WhAT protocol would you use if you need a service between hosts but there has to be no connection?
tcp
What protocol is used to send a destination network an unknown message back to originating hosts?
The protocol used to send an unknown message back to originating hosts is Internet Control Message Protocol (ICMP). Specifically, ICMP can send messages such as "Destination Unreachable," which informs the sender that a packet could not reach its intended destination. This helps in diagnosing network issues and improving communication reliability.
What is the meaning of a proprietary network protocol?
A proprietary network protocol is one that does not comply to any open standards. The intent of a proprietary protocol is to limit communication only to nodes that implement a specific application. NetBIOS is an example of a proprietary network protocol that is only applicable to Microsoft Windows hosts. The opposite of a proprietary protocol is an open standard, which can be utilized by any application. An example of an open standard is TCP/IP, the standard protocol of the Internet.
Hich three factors should be considered when implementing a Layer 2 protocol in a network?
the geographic scope of the network the physical layer implementation the number of hosts to be interconnected
Which is an important factor when choosing a Layer 2 protocol?
-The geographic scope of the network -The physical layer implementation -The number of hosts to be interconnected
What is bgp protocol?
Border Gateway Protocol (BGP) is a way to transfer data and information between different hosts such the Internet or routers. It is commonly used between Internet Service Providers (ISPs).
Which two transport layer protocols are used to transfer messages between hosts?
The most common two are TCP (transmission control protocol) and UDP (user datagram protocol)
Network layer protocol that obtains the MAC physical address of a host or node and then creates a database that maps the MAC address to the hosts IP logical address?
ARP
Which transport layer protocol will allow segments to be exchanged between two hosts with low overhead and no mechanism for retransmission?
UDP
What mask would you assign to the network ID of 172.16.0.0 if you needed about 100 subnets with 500 hosts each?
255.255.252.0
Which subnet mask should be used for a class B network that is divided into subnets that will accommodate between 800 hosts and 1000 hosts?
255.255.252.0
