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Recent questions and answers in Computer Networks
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What do you mean by persistant and non-persistant connection
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Computer Networks
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What is MAC address? Explain the role of address resolution protocol(ARP)
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Computer Networks
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Duplicate: Determine the correct class of the following IP addresses: Address Class? 191.107.2.10 172.16.16.15 200.200.5.2 3.3.57.0 131.107.2.89 b) Which address class(es) in above table will allow you to have more than 1000 hosts per network?
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Configure the topology and make sure every pc is reachable
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Computer Networks
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anonymous
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Duplicate: Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid: 1. 131.107.256.80 2. 0.127.4.100 3. 222.222.255.222 4. 190.7.2.0 5. 127.1.1.1 6. 255.255.255.255 7. 198.121.254.255
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Computer Networks
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Configure the Static Route and make sure every pc is reachable.
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Computer Networks
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anonymous
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Duplicate: What common software problems can lead to network defects?
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Computer Networks
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What common software problems can lead to network defects?
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Computer Networks
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Duplicate: Determine the Network ID, First Valid Host, Last Valid Host, and Broadcast ID of the following network address/mask pairs:
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Duplicate: In Multinational companies what kind of cable type used to access the internet? Justify your answer.
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Computer Networks
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Duplicate: Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid: 131.107.256.80
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Computer Networks
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(user.guest)
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In Multinational companies what kind of cable type is used to access the internet. Justify your answer.
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Computer Networks
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anonymous
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Duplicate: Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid:
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Computer Networks
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How does Switch learn Mac Address when pc1 wants to communicate with pc2 and pc3? Explain the process with the help of diagram
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How does Switch learn Mac Address when pc1 wants to communicate with pc2 and pc3? Explain the process with the help of diagram
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Computer Networks
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anonymous
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Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid
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Computer Networks
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(user.guest)
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Determine the Network ID, First Valid Host, Last Valid Host, and Broadcast ID of the following network address/mask pairs:
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Computer Networks
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Determine the correct class of the following IP addresses:
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Computer Networks
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Explain clearly why cellular IP cannot be used in place of mobile IP.
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Explain The Fundamentals of Frequency and Time division multiplexing (FDM and TDM), and give an example of where FDM and TDM would be used in a multimedia network
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Computer Networks
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anonymous
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What is the Apache Web server? How much does it cost? What functionality does it currently have? You may want to look at Wikipedia to answer this question.
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Duplicate: How are OSI and ISO related to each other?
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Difference between physical and logical topology
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How 5G core network architecture is designed around resilience concepts?
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Duplicate: Describe why an application developer might choose to run an application over UDP rather than TCP.
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How are different RTP streams in different sessions identified by a receiver? How are different streams from within the same session identified?
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Computer Networks
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Why is a packet that is received after its scheduled playout time considered lost?
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What is the difference between end-to-end delay and packet jitter? What are the causes of packet jitter?
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Computer Networks
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With HTTP streaming, are the TCP receive buffer and the client’s application buffer the same thing? If not, how do they interact?
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Streaming video systems can be classified into three categories. Name and briefly describe each of these categories.
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Suppose an analog audio signal is sampled 16,000 times per second, and each sample is quantized into one of 1024 levels. What would be the resulting bit rate of the PCM digital audio signal?
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Computer Networks
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Signature-based IDSs and IPSs inspect into the payloads of TCP and UDP segments. True or False?
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Why must an application gateway work in conjunction with a router filter to be effective?
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Computer Networks
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Consider a traditional (stateless) packet filter. This packet filter may filter packets based on TCP flag bits as well as other header fields. True or False?
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Computer Networks
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In WEP, an IV is sent in the clear in every frame. True or False
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Consider WEP for 802.11. Suppose that the data is 10101100 and the keystream is 1111000. What is the resulting ciphertext?
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Computer Networks
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An IKE SA and an IPsec SA are the same thing. True or False?
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Suppose Bob initiates a TCP connection to Trudy who is pretending to be Alice. During the handshake, Trudy sends Bob Alice’s certificate. In what step of the SSL handshake algorithm will Bob discover that he is not communicating with Alice?
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What is the purpose of the random nonces in the SSL handshake?
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Is the message integrity scheme based on HMAC susceptible to playback attacks? If so, how can a nonce be incorporated into the scheme to remove this susceptibility?
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