Which of the following devices forwards packets between networks by processing the routing information included in the packet? a) firewall b) bridge c) hub d) router
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- Application proxies may have trouble decrypting end-to-end encrypted traffic. Describe an approach that might allow a proxy at the application level to successfully negotiate a protocol with encrypted payloads.Describe how an HTTP request, whether it's arriving or departing, is blocked by a stateless firewall.DNS can resolve only name to ip address, where as resolving ip address to name is not possible. Select one: O True O False
- Question Completion Status: QUESTION 6 The IPv6 has O options O header checksum O fragmentation anycast address feature, which is not in IPv4.True or False: The UDP header has a place for the IP address to be stored.Pseudocode Port Scanner INPUT : IPv4 address with its port range TASK/function : Try the Internet Protocol address with its a port range The software will attempt to find open ports on the particular pc within having a connection to every one of them as well as having any successful connection ports, trace a port as open. OUTPUT : status of port (open/closed)
- The “ping” command is a computer network tool used to test whether a particular host is reachable across an IP network.In data Encapsulation Decapsulation Routing O Addresing MAC sublayer adds header and a trailer to the IP Packet * It primarily refers to error detection and retransmission. * Error checking Error control Error detection Error codingDNS is a global system for changing IP addresses to human-readable domain names. When a user tries to access a web address like "education.com", their web browser or application performs a DNS Query against a DNS server, supplying the hostname. The DNS server takes the hostname and resolves it into a numeric IP address, which the web browser can connect to.
- Q1) What is DHCP and how does it work? Q2) DHCP servers have no secure mechanism for the authentication of the client so any new client can join the network. This possess security risks like unauthorized clients being given IP address, and IP address depletion from unauthorized clients. Suggest a solution for this problem.1. When DC1, acting as a DNS client, performs a DNS lookup, which DNS server is it using?This Chain applies for all packets that are addressed to the firewall INPUT OUTPUT FORWARD This chain applies for all packets originating from firewall and going out of the server O INPUT ⒸOUTPUT FORWARD This chain applies for all packets passing through the firewall from other hosts on the network. The host with iptables is neither the source nor destination of the packet: mainly used to route packets through the machines on the network. INPUT OUTPUT Ⓒ FORWARD This jump target does not respond to a packet at all and does nothing with the packet. It an attack sends a packet. they would not get any response. ODROP ⒸREJECT This jump target responds with an ICMP Destination Unreachable back to the source. This indicates that a server exists, which is beneficial for troubleshooting and for attackers. DROP O REJECT