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When a host on network A sends a message to a host on network B which address does the router look at?
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When a router does not have an interface for the destination network it sends the traffic to where?
If a router has a route in its routing table, it will have a next hop IP address and / or outbound interface. If a router does not have a route in its routing table the packet will be dropped.
What does a router does in a LAN OR WAN environment?
It decides where data should go on a network. Imagine a company's network. One user sends an email to someone else. Their computer sends the email to the router, which then sends it out to the mail server. The mail server then sends out a message to the other user's computer telling them that they have received an email. The router picks this up and sends it in the correct direction.
What device sends and receives information about the network layer?
Perhaps you mean a router?
What network navigation device receives data packets and sends them to the intended node on the same network?
router
Wic address is used by the router to direct a packet between networks?
The router only needs to know the next-hop address; in other words, it sends the data to the next router; this next router then takes its own decision.Each router maintains a routing table, with information about where to send IP packets. The information is stored on a per-network basis. When the router receives an IP packet, it consults the routing table, to see what is the next-hop address, and through which interface it must send the packet.The router only needs to know the next-hop address; in other words, it sends the data to the next router; this next router then takes its own decision.Each router maintains a routing table, with information about where to send IP packets. The information is stored on a per-network basis. When the router receives an IP packet, it consults the routing table, to see what is the next-hop address, and through which interface it must send the packet.The router only needs to know the next-hop address; in other words, it sends the data to the next router; this next router then takes its own decision.Each router maintains a routing table, with information about where to send IP packets. The information is stored on a per-network basis. When the router receives an IP packet, it consults the routing table, to see what is the next-hop address, and through which interface it must send the packet.The router only needs to know the next-hop address; in other words, it sends the data to the next router; this next router then takes its own decision.Each router maintains a routing table, with information about where to send IP packets. The information is stored on a per-network basis. When the router receives an IP packet, it consults the routing table, to see what is the next-hop address, and through which interface it must send the packet.
What device is typically as the default getaway for a computer?
The IP address of the router or firewall's interface that is connected to your network. It then performs routing, filtering, and as a last resort sends it out into the internet.
What communication sends a message to all points on a specific network?
Broadcast
Which data communication term refers to a router that sends and receives information on a network?
node data data
How does traceroute work?
There are multiple versions of traceroute but generally it uses time to live (ttl). Send a pa let with a ttl of 1 and the next router will send back an error message with its IP address. Then send one with a ttl of 2 and the second router sends an error message with its address. Keep increasing the ttl and you end up with the addresses of all routers in the path.
Why does a network host need to broadcast an ARP request?
A host on a network needs to broadcast an ARP request to advertise its Mac address. The networking world is very chatty in nature and when a new network host is available it immediately broadcasts its Mac address as with a ARP message. Also when a particular network host needs to send a data packet to another network host available in the same LAN whose Mac address is unknown, the first network host sends out a ARP message requesting for the destination network hosts MAC address.
Which type of address sends messages to all network hosts?
That is called a broadcast address.
When does broadcast occurs in a network?
Whenever a message has to be sent to several machines. For example, for a machine to "automatically get an IP address", it has to contact a DHCP server. Since the IP address of the DHCP server is not configured (the whole idea of DHCP is to reduce the effort required for configuring machines), it sends a broadcast - a message to all computers on the network - basically asking, "Who can help me now?"Whenever a message has to be sent to several machines. For example, for a machine to "automatically get an IP address", it has to contact a DHCP server. Since the IP address of the DHCP server is not configured (the whole idea of DHCP is to reduce the effort required for configuring machines), it sends a broadcast - a message to all computers on the network - basically asking, "Who can help me now?"Whenever a message has to be sent to several machines. For example, for a machine to "automatically get an IP address", it has to contact a DHCP server. Since the IP address of the DHCP server is not configured (the whole idea of DHCP is to reduce the effort required for configuring machines), it sends a broadcast - a message to all computers on the network - basically asking, "Who can help me now?"Whenever a message has to be sent to several machines. For example, for a machine to "automatically get an IP address", it has to contact a DHCP server. Since the IP address of the DHCP server is not configured (the whole idea of DHCP is to reduce the effort required for configuring machines), it sends a broadcast - a message to all computers on the network - basically asking, "Who can help me now?"
