On a local network tied to a router connected to the internet, a user is working from a computer with IP address 10.0.0.5. A web browser is used to request a web page. Explain when and why each of the following networking features is important. Make every effort to be as exact as possible. i. ARP i. NAT ii. DNS iv. UDP V. TCP i. ARP i. NAT ii. DNS iv. UDP V. TCP
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On a local network tied to a router connected to the internet, a user is working from a computer with IP address 10.0.0.5. A web browser is used to request a web page. Explain when and why each of the following networking features is important. Make every effort to be as exact as possible. i. ARP i. NAT ii. DNS iv. UDP V. TCP i. ARP i. NAT ii. DNS iv. UDP V. TCP
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- How many layers make up the Internet Protocol stack? 5 7 8 10 Consider an HTTP client wants to retrieve a web document. Typically the IP address of the HTTP server is unknown. What transport and application-layer protocols (besides HTTP) are needed in this scenario? (Select all that Apply) DNS UDP TCP SMTP Switches forward packets to their intended target using Domain Names Port Numbers IP Addresses MAC AddressesSuppose a user from Taman Jatt Kata Kinabalu is working from a machine at home with IP address 10. 0. 0.10 on a local network attached to a router connected to the Internet The user requests a web page through a Web browser. Show using illustration when and why each of the following aspects of networking are involved. Be as precise as possible. i ARP ii NAT iii DNS iv UDP v TCP.I know this is "broad" for computer science, as this concept is networking based. So, I'm a cybersecurity student, I am good at pretty much everything else but networking in respect to the field (for a beginner obviously) My question is as follows: Basically, I've been given a network with 100 hosts, 50 hosts, and 20 hosts.I've been given an IP address of 172.34.100.0 /17Basically, I've been told to plan out this VLSM and subnet this network, but I have no idea where to start. Can you help me out? Let me know if you require more info, I'd be happy to lend it.
- 6.Which one of the followings is a network layer device? Switch Repeater Router Modem 7.Which port number is used for HTTP protocol ? 110 80 21 24 8.In frame format, which field is used to detect bit errors ? parity checksum TTL type 9.Which protocol/protocols allow sender to send more than one packet at the same time according to the number that is defined by window size? Pipeline protocols Rdt protocol DHCP protocol Stop-and-wait protocol 10.Which one is not a layer of TCP/IP protocol stack? Physical layer Session layer Link layer Application layerSubject - Data communication networks How can you write the following IPv4 address 192.168.10.2 in IPv6 format? A network on the Internet has a subnet mask of 255.255.248.0. What is the maximum number of hosts it can handle? Explain two problems of SMTP. Thank you in advance!Assume that a private internet requires that the messages at the application layer be encrypted and decrypted for security purposes. If we need to add some information about the encryption/decryption process (such as the algorithms used in the process), does it mean that we are adding one layer to the TCP/IP protocol suite? Redraw the TCP/IP layers (Figure 2.4 part b) if you think OS
- q38- Which statement is true about VLSM? Select one: A. It implies classful routing B. It is only suitable for smaller organizations C. It leads to a lot of IP addresses being unused D. It creates subnets of different sizes E. It is subnetting large networks only21.) Consider the following configuration. Computer “A” IP address: 172.16.100.100 Subnet mask: 255.255.0.0 Computer “B” IP address: 172.16.200.200 Subnet mask: /16 What should be done to allow these computers to send and receive data to and from each other? A.) Nothing needs to be changed. B.) Delete the subnet mask from each computer. C.) A router must be configured and placed between the two computers. D.) Remove the hub between the two computers and replace it with a switch.14) __________ refers to the combination of HTTP and SSL to implement secure communication between a Web browser and a Web server. A) TLS B) HTTPS C)SSH D) IPSec
- 1) A computer called a converts private IP addresses into normal IP address when it forwards packets from those computers to the Internet. a)private network device B)routing algorithm device C)network address translation device D)subnet translation device 2) ———-tags do not specify how text appears on a Web page; the tags convey the meaning (the semantics) of the information included within them. 3)——-specifies the format of a mail message and describes how mail is to be administered on the e-mail server and transmitted on the Internet. a)TCP/IP B)SMTP C)POP D)MIME 4) A network which uses a specific set of rules and connects networks all over the world to each other, is called the———- 5) The ————Protocol controls the disassembly of a message or a file into packets before it is transmitted over the Internet, and it controls the reassembly of those packets into their original formats when they reach their destinations. 6) The part of the Internet known as the…Assume that Computer A, which is connected through an Ethernet cable to the Switch S1, is just powered on. The user opens a browser and then types a website address to receive the website from the Server (as shown in Figure 1). Write down all the important protocols that come into play by the time the first frame containing HTTP request reaches R1. (Note: Before HTTP frame, other frames have already been sent by other protocol(s).) Write down all the protocols with reference to the TCP Model as follows? Application Layer: Transport Layer: Internet Layer: Link Layer:. Assume: Your laptop's Ethernet address is 0a:0b:0c:0d:0e:0f, DHCP server address is 131.111.7.3, your IPv4 address will be 131.111.7.121, the gateway's IP address is 131.111.7.1, and Ethernet address is 00:01:02:03:04:05, the network subnet mask is 255.255.255.0.Write the series of protocol/packet exchanges that occur on the wired Ethernet link, up until you can send a single packet to 128.232.0.20. You do not need to describe packets after this packet has left the link. Include ARP and DHCP