Router operates in transport layer session network layer physical layer : A computer network permits sharing the Information resources and Information Images resources The foil shield in STP cable add layer of Protection and enhance cable No one of above Protection against Electromagnetic interference of OSI ?model !
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- Why is SSL stripping a particular danger with open Wi-Fi networks? WPA2 is not secure enough to prevent this Open hotspots do not assert their identity in a secure way Open hotspots can be accessed by any user 802.11ac is insecure and traffic can be redirectedQuestion 5 Compare and Contrast the following protocols 1.Telnet 2.FTP 3.ICMP (Windows and Unix (hint: they are different - find out how) 4. A protocol of your choice. Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this lineCompare how access rights are set when using Samba, NFS and FTP. Whatproblems needs to be addressed in each of the mentioned protocols? Your answermust address both user authentication and file access rights. And must take into consideration a heterogeneous network.
- Write down the OSI layers for each device as shown. Draw a NAT Table Entry at the Router for the Computer (A) (shown with a smiley face J) trying to reach the Web Server (listening at Port 80) as shown. You may use dynamic port numbers. Divide the LAN into 2 subnets and then re-draw it to show the subnets. Assume that you have a supply of switches as needed. A frame is sent from Computer A to Router R1, assume that it is using Ethernet. Draw the frame showing the Source and Destination MAC addresses, IP addresses, and port numbers.Suppose in a wireless communication network transmitter Alice wants to send some confidential information to receiver BOB. The EVE is there to hear (confidential information) what is being communicate between Alice and BOB. In this case what types of security you will propose (From OSI layers) as a network engineer. Explain your proposed method/s and justify your answer.Maximum 400 words. Do not copy. Write it in your own way. The assignment will be checked by similarity finding registered software.Hints: Go through the Application Layer, Data Link Layer, and Physical Layer security. Then you will be able to propose possible solution/s.How does the individual come to be able to make moral decisions? e. All of the above a. By understanding his motives b. By understanding the consequences of his actions c. By being deterred and frightened of the penalties incurred on him for his action d. By understanding the means adopted to execute action Known as “packet switches,” perform much of the work in getting data transmitted over the Net to its ultimate destination. a. Routers b. Packets c. Protocols d. Addresses The fastest growing industries in cyberspace are called: a. information industries b. data industries c. information intermediaries d. data intermediaries One of the challenges facing all social media sites is: a. getting users b. monetizing their extensive web traffic c. Keeping users interested d. Providing information
- Add a DHCP server to the network with network ID of 223.12.12.0/24. Configure the DHCP server so that it provide IP addresses to all the PCs inside all the subnetworks. Describe step by step process of the DHCP configuration and add screenshot of successful DHCP calls from PC3,PC4,PC5.Q1/ Suppose you has IP address 220.254.255.x / 28, conclude the class and analyze the subnetting for finding mask address, number of subnets, addersses range of subnets , and number of hosts at each subnet. Q2/ How can perform encapsulation process of OSI model for sender, and what happen of encapsulation data at receiver side, explain and draw graph of that. Q3/ Discuss the advantages and disadvantages of shielding the copper cables .i. Describe the steps invloved in a distributed coordination function using a simple carrier sense multiple access algorithm with interframe space delay to transmit frames in a wireless LANii. Describe the four abstraction layers of TCP/IP iii. Descrive a typical scenarion invloving 2 Computer Devices transferring a video file using an unsecured ftp connection where TCP three-way handshake is susceptible to vulnerabilityiv. Describe four units that makes IEEE 802.11 Architiecture
- q23- Why is VLSM important to modern IP networks? Select one: A. Because it allows us to uniquely identify each subnet by its mask number. B. C. Because it allows each subnet in a network to be correctly sized for the requirement. C. Because every subnet must use a different mask to avoid conflicts. D. Because networks that use the same mask cannot route.2. Layer 2 security best practices include: Disable unused network device ports Disable CDP Implement port security Implement 802.1X All responses 3. Actions to minimize network attack surfaces and attack vectors could include Defense in depth practices De-militarized zones for public facing system services Control inbound and outbound network access via firewalls All available answersexplain the role and how the following arecoordinated in networking to achieve efficientand secure intranet and internet(i) NAT(il) VPN(ili) Gateway router(iv) Firewall