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As a packet traverses different networks, the source IP address will always stay the same as the original sending devices IP address unless NAT (Network Address Translation) is involved somewhere along the line.
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∙ 12y ago
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When a host is communicating with multiple applications on the same server at the same time which two values will likely be the same in all packets for each session?
IP address MAC address
What is antispoofing?
Using spoofing, an intruder can fake the source address of his packets and make them look like they originated on the trusted hosts.The basic idea of anti-spoofing protection is to create a firewall rule assigned to the external interface of the firewall that examines source address of all packets crossing that interface coming from outside. If the address belongs to the internal network or the firewall itself, the packet is dropped.
Sequence the steps in the Port Address translation process?
1. The internal IP address is replaced with the PAT devices's IP address in the request packets source field. 2. A port number is assigned to the connection by the PAT device. 3.The packet is forwarded to the external network. 4. The packet's information is entered into the PAT device's translation table so that all packets sent from the same connection can be translated to that port number.
The administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?
10.10.10.6
What happens if a MAC address is not stored in CAM on a switch?
Packets will be transmitted out of all switch ports except for the port where the packets were received. It's called flooding.
How is data passed in packets?
The details vary enormously from protocol to protocol, but the basics are the same for all of them. A stream of data is split into packets, the packet has a header which contains (amongst other things) the destination for the packet. The network uses the destination address to deliver the network to the correct destination.
Constant bit rate in wireless transmission?
it is application level traffic and it gives QoS guarantee.In CBR, source is expected to transmit packets at constant rate and all packets have constant sizes.
How do you calculate packet delivery ratio in MANET?
I think PDR= Packets Received / Packets Sent Packets sent/received values should be from same layer. i.e. all from application layer or network layer...etc
Can CPU handle the broadcast address on LAN?
All load-balancing solutions require system resources to examine incoming packets and make load-balancing decisions, and thus impose an overhead on network performance. [ Dispatcher-based solutions examine, modify, and retransmit packets to particular cluster hosts. (They usually modify IP addresses to retarget packets from a virtual IP address to a particular host's IP address.) In contrast, Network Load Balancing simultaneously delivers incoming packets to all cluster hosts and applies a filtering algorithm that discards packets on all but the desired host. Filtering imposes less overhead on packet delivery than re-routing, which results in lower response time and higher overall throughput.
What three facts are true about the network portion of an IPv4 address?
The IPv4 address is identical for all hosts in a broadcast domain. The IPv4 addresse varies in length. The IPv4 address is used to forward packets.
What is out of order data in TCP?
This is what happens when TCP packets literally arrive at their destination in a different order than they were transmitted from their source. Usually due to routing adjustments between the two machines. All TCP packets are numbered in order they are transmitted so they can be reassembled when they are received.
What is a possible impact of setting too short an aging time in the MAC address table?
Setting too short an aging time can cause addresses to be prematurely removed from the table. Then, when the switch receives a packet for an unknown destination, it floods the packet to all ports in the same LAN (or VLAN) as the receiving port. This unnecessary flooding can impact performance.*unnecessary flooding of packets* :)
