Two computers, each with a single connection on the same physical 10 gigabit Ethernet network segment, need to communicate with each other. The first machine has a single Internet Protocol (IP) Classless Inter-Domain Routing (CIDR) address of 192.168.1.3/30 and the second machine has an IP/CIDR address
192.168.1.6/30. Which of the following is correct?
The two machines have IP addresses with a /30 subnet mask, meaning each address is part of a different subnet. The IP address 192.168.1.3/30 is part of the subnet 192.168.1.0/30, while 192.168.1.6/30 is part of the subnet 192.168.1.4/30. Communication between devices on different subnets requires a network router to process and route the traffic.
These are two different IP subnets, hence should require a router for interconnectivity. However, 192.168.1.3/30 is a broadcast IP in that subnet and doesn't seem valid.
Smile i thougth the same ;D
D is correct
lol 192.168.1.6 /30 is also a broadcast address
How is B showed as the correct answer is beyond me. These are 2 separate subnets with one being a broadcast IP address which means that even the question is wrong.
The answer is - D -
Without going deep into network theory, here's the executive summary. The answer is D. Now, here's the explanation in networking terms. Host IP 192.168.1.3 belongs to subnet 192.168.1.0/30. Host IP 192.168.1.6 belongs to subnet 192.168.1.4/30. Therefore the hosts are in different subnets. In order for hosts to communicate across subnet boundaries, you must have a router. And all of this leaves out the issue of giving a host the IP of 192.168.1.3, which is the broadcast address of the first subnet. Can you do it? Yes, technically it's possible. It also creates a broadcast storm because that host endlessly replies to every broadcast packet on the subnet.
/30 -only 4 ip address. 192.168.1.0 to 192.168.1.4 - First network 192.168.1.5 to 192.168.1.8-Second network . Answer :D
192.168.1.0 to 192.168.1.3 -First network 192.168.1.4 to 192.168.1.7-Second network Answer:D
They are on the same network the traffic does not get to the router
They are on different networks
Devices on different subnets require a L3 device to route traffic between the subnets.
D is the right answer. And 192.168.1.3/30 is a broadcast address, not valid IP address for a host. ! stupid ISC2 question as usual.
B. Since each computer is on the same layer 3 network, traffic between the computers may be processed by a network router in order to communicate. The IP/CIDR address of 192.168.1.3/30 and the IP/CIDR address of 192.168.1.6/30 are on the same network (192.168.1.0/30), because the network portion of the IP address (192.168.1) is the same and the subnet mask (30) indicates that only 2 addresses are available in the subnet. So the two computers are on the same layer 3 network and can communicate directly with each other without the need for a network bridge or router.
Bro, get your facts right. Network portion of the IP address is not 192.168.1 (that would be available for /24). In this case we have /30 which would make the network part 192.168.1.0000 00/. 192.168.1.3/30 has network 192.168.1.0 (192.168.1.0000 00/11) and 192.168.1.6/30 has network 192.168.1.4 (192.168.1.0000 01/10). If you don't know what i just said, you have no idea of the fundamentals of networking, subnetting. The answer is D.
the only answer is D, no other choice
Different subnet
Given the IP addresses 192.168.1.3/30 and 192.168.1.6/30, which have different network portions, the correct answer is: D. Since each computer is on a different layer 3 network, traffic between the computers must be processed by a network router in order to communicate.
Answer D) Devices are on different subnets....(and the first is calculated wrong) so they need a device to communicate with. Both Bridges and Routers can help connect the devices on separate networks, but the question clearly states LAYER 3, so it must use a ROUTER. Bridges are LAYER 2
They ARE on the same L3 network but different L2 networks. Given that L2 is implied in the subnetting, they DO need a router to communicate. Its all in the wording (these questions are all tricky). B is the correct answer as a result (very misleading). The broadcast network thing is a little weird. Had the answers stated L2 instead of L3, D would be correct.
(Previous comment didn't have the vote tallied) - They ARE on the same L3 network but different L2 networks. Given that L2 is implied in the subnetting, they DO need a router to communicate. Its all in the wording (these questions are all tricky). B is the correct answer as a result (very misleading). The broadcast network thing is a little weird. Had the answers stated L2 instead of L3, D would be correct.
IP address routing does not happen on the data link layer , L2. A network's boundaries are within the network and broadcast IP. Both Ip addresses are a part of separate networks. 1 subnet = 1 L3 network.
As a CCNP. I can confirm for a fact that the answer is D without a shadow of a doubt. Inter VLAN routing is needing. performing by a layer 3 switch or a router.