peymesh ( top Pr Laptop Saver Servera PC PT PO Switch Lapto-PT tops Houter 09 13-24 Laptop-PY Lactopo Server PT Serve Server PT Serveri Laocoo PT Laptop La COD PT PG PI Laptopi PCO Network 1 Laptop Laptop? PC-PT PC3 (. 29/XCP Open 49153/LP open C2. Answer the following questions: C2.1 From the diagram below, consider yourself the administrator of below networks How to reduce the attack surface from Internet network to other operating systems of hosts on the network 1,2, 3 and 4 Network 3 Network 2 EO Router Internet Network 4 C2.2: How you will configure a DMZ in network 2 for a web server? Support your answer with a diagram. (2 marks) C2.3: Study the following figure of using nmap scanning tool then answer the following questions: (35 marks) root@kali:-# nmap -p1-65535 192.168.1.127 --open starting Nmap 7.60 ( https:/map.org ) at 2017-11-24 04:45 EST Nmap scan report for 192.168.1.127 Host is up (0.0020s latency). Not shown: 65522 closed ports PORT PORT STATE SERVICE open open msrpc open netbios-san 443/tcp open nen nttps 445/tcp open microsoft-dscles in 902/tcp open open iss-realsecure 912/tco 912/tcp open open open ms-wbt-server unknown unknown 49154/tcp open unknown 49155/tcp open unknown 49158/tcp open unknown 49159/tcp open unknown MAC Address: FC:AA: E6 (Giga-byte Technology) Nmap done: 1 IP address (1 host up) scanned in 23.07 seconds a. What is the IP address of the scanned host?(0.5 marks) b. From the figure above what is the network address of the scanned host?(1 mark) CAs a system administrator, how would you deal with open but unused ports from the above figure? (1 mark) d Explain how nmap tool can be used by both network administrator and hackers (1 mark)