Choose the correct option: You need to make 100 subnets, each with 1024 hosts. Which prefix mask would you use at the beginning before starting subnetting? A) /12 B) /14 C) /8 D) /15 E) /16 F) /18
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- Given the following commands, explain what the purpose of the command is and give a typical use case for each: Show interface Show arp tracert Example: the “ping” command, uses the Internet Control Message Protocol and verifies layer 3 connectivity, and would typically be used by a Network Administrator who wants to test connectivity between devices when a new device has been added to a network or as a troubleshooting method when experiencing connectivity issues.Accomplish the following tasks involving SNORT rules: Add an appropriate rule options part to the following rule headeralert udp any any any 53 Add an appropriate rule header to the following rule options part(msg:”possible HTTP GET request”; sid:xxxxx; rev:y;) Write a complete rule header and rule options to detect an FTP connection attempt. Explain what the following rule does.alert tcp $HOME_NET 21 any any (msg:"FTP failed login";content:"Login or password incorrect"; sid:xxxxx; rev:y;)The given IPV6 subnet address is 2001:0DA7:FF00:FAF8: :/64. • Use the above IPV6 address for Subnet 0. • Increment the subnet field by 1 and find the IPV6 address for the remaining subnets. • Write simplified IPV6 address. Subnet IPV6 network address (Write simplified IPV6 address) Number 1 3. Complete the 2 following IPV6 addressing table 3 using IPV6 subnetting. Follow the instructions given below and write the IPV6 address in the table.
- IL PCAP Scanner alert udp any 61348 -> any any (content: "109 69 63 61 6e 68 61 7a 69 70 03 63 6f 6d 001; msg: "DNS Test"; Sid:1000001) Question Number 2 Scan The scan results for your snort rule will be displayed below. There is a problem with your rule. Check the alerts below to determine what went wrong and then try again. Something went wrong with your snort rule. Check the Syntax Syntax error please help! Create a rule to detect DNS requests to 'icanhazip', then test the rule with the scanner and submit the token. O XIf: Host 1 = 64 Host 2 = 21 What is the mask for Host 1 & Host 2 ?The HTTP protocol uses Request and Response processes in a client-server communication as shown in the diagram below. Request Line HTTP Headers HTTP Request Browser Server HTTP Response Status Line HTTP Headers Content Provide two of the http-header fields for each process. (Provide your answers in the order they appear in the HTTP header fields structure) Answer: 1. HTTP Request Header Fields: 1) 2) 2. HTTP Response Header Fields: 1) 0000 2)
- 1)which of the following is easiest routing to configure for a WAN a)static routes b)ospf c)eigrp 2)which path attribute refers to the external metric of a route? a)external paths b)lowest multi-exit discriminator c)lowest orgin typeAn ISP is granted a block of addresses starting with 130.100.0.0/16. The ISP needs to distribute these addresses to 4 large companies. Each company requires 1024 IP addresses. Write the address ranges for these companies into the following table with /n notation. Company First address Last address 1 2 3 4Write down the subnet Id's for FE80:1E8:D22F::/48 if you only want to create 4 subnets.
- Ann is a CSULA student trying to access (https://www.calstatela.edu) from the campus library. Her request must use Domain Name System (DNS) resolution to translate the name (https://www.calstatela.edu) to an IP address. Assume that CSULA DNS name resolution uses iterated queries and her request first goes to the CSULA local DNS server shown in the figure. In the following picture: 1. Fill in the blanks to show all the servers in the DNS hierarchy this request must be sent to, starting from and including the root DNS server. 2. Draw arrows with sequence numbers showing the steps in the DNS resolution. The first and the last step in DNS resolution are shown in the figure.Create and apply a numbered ACL that allows UDP-based services to communicate with the server on any port number higher than the well-known ports. Communication to TCP-based services on the server are permitted for the well- known ports. Other traffic is to be dropped. Show any calculations, and in a few bullet points or sentences, explain the purpose of each configuration command. Omitting an explanation is unsatisfactory. It is recommended (but optional) that you test your command syntax in Cisco Packet Tracer for accuracy. ACL Gi0/1 Gi0/2 Gio/3 172.26.0.1Q4:- Answer the following: 1) Three-way handshake to establish connection ( Host A sends a SYN) to the host B. Then Host B returns a --and Host A sends an 2) In non-persistent HTTP, the file transmission Response time = 3) A class B network number uses numbers, bits for the network number and bits for host. 4) When host makes DNS query, in first step the query is sent to its 5) The values assigned to the first byte of class A network numbers fall within the range -