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Recent questions in Computer Networks
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What are some keys ways to ensure security of your server
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Nov 7
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Computer Networks
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What are the components of end to end latency
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Oct 27
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Computer Networks
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What is latency in computer networks
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Oct 27
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Computer Networks
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What is the difference between a virus and a worm
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Oct 27
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Computer Networks
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Why will two ISP at the same level of the hierarchy often peer with each other?
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Oct 27
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Computer Networks
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What are some important types of algorithms we have
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Oct 26
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Computer Networks
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An IP datagram of size 1000 bytes arrives at a router. The router has to forward this packet on a link whose MTU is 100 bytes. Assume that the size of the IP header is 20 bytes. What is the number of fragments the IP datagram will be divided into
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Oct 26
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Can the following IP addresses be aggregated: 57.6.96.0/21, 57.6.104.0/21, 57.6.112.0/21, 57.6.120.0/21? If so, to what? If not, why not?
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Oct 26
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Computer Networks
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What is aggregation in networking
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Oct 26
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Suppose that instead of using 16 bits for the network part of a class B address originally, 20 bits had been used. How many class B networks would there have been?
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Oct 26
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A packet of 6,000 Bytes arrives at a router and must be forwarded to a link with an MTU of 1500 bytes.
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Oct 25
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Computer Networks
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anonymous
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What field in the IPv4 datagram header can be used to ensure that a packet is forwarded through no more than N routers? Explain how it works.
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Oct 25
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Computer Networks
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anonymous
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What are some classification/ Types of network based on purpose
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Oct 4
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Computer Networks
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What is a user session
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Oct 4
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What is meant by a handshaking protocol?
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Oct 1
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Computer Networks
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anonymous
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1
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What are some common media issues that could occur when configuring a switch
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Sep 19
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Computer Networks
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What is the main difference between a Hub and a Switch
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Sep 17
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Computer Networks
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Write down the major differences between Apache and Nginx servers?
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Sep 1
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Computer Networks
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anonymous
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1
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Explain two (2) detrimental effects caused by cross-talk in a multi-conductor system
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Aug 21
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Computer Networks
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Differentiate between Analog electromagnetic signal and digital electromagnetic signal
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Aug 21
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Computer Networks
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1
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Differentiate between Guided media and Unguided media
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Aug 21
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Computer Networks
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1
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What are some disadvantages of microwave transmission
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Aug 21
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Computer Networks
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1
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Differentiate between unshielded twisted pair and shielded twisted pair
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Aug 21
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Computer Networks
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(user.guest)
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1
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Why do we need a protocol architecture
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Aug 21
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Computer Networks
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Describe the notable trends in technology that enable the provision of increasing traffic capacity and the support of a wide range of services
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Aug 21
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Computer Networks
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1
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Describe the trends that challenge data communication
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Aug 21
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Computer Networks
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1
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What are super cookies??
asked
Aug 18
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Computer Networks
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(user.guest)
0
votes
1
answer
Describe the trends that challenge data communications
asked
Aug 17
in
Computer Networks
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votes
1
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Explain the terms: Amplitude Shift Keying (ASK), Phase Shift Keying (PSK) and Frequency Shift Keying (FSK)
asked
Aug 17
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Computer Networks
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(user.guest)
0
votes
1
answer
Discuss the term wavelength division multiplexing
asked
Aug 16
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Computer Networks
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1
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Frequency and Phase Modulation are special cases of what kind of modulation?
asked
Aug 16
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Computer Networks
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0
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1
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Discuss the difference between the two (2) types of Time Division Multiplexing (TDM)
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Aug 16
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Computer Networks
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0
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1
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What is the difference between a periodic signal and a causal signal? Give an expression that describes each signal type
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Aug 16
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Computer Networks
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1
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Explain the difference between a continuous time signal and a discrete time signal and give an expression that describes each signal type
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Aug 16
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Computer Networks
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1
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Explain the two (2) forms of Multiplexing
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Aug 16
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Computer Networks
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1
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What is Multiplexing. Is it cost-effective?
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Aug 16
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Computer Networks
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0
votes
1
answer
Differentiate between AM, PM and FM
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Aug 16
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Computer Networks
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(user.guest)
0
votes
1
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What's the primary function of a Modem
asked
Aug 16
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Computer Networks
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(user.guest)
0
votes
1
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Give two (2) reasons for analog modulation of analog signals
asked
Aug 16
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Computer Networks
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votes
1
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What is Modulation
asked
Aug 16
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Computer Networks
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1
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Explain thermal noise, Intermodulation noise, Crosstalk and Impulse noise
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Aug 16
in
Computer Networks
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1
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Discuss two (2) transmission impairments
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Aug 16
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Computer Networks
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(user.guest)
0
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1
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Differentiate between analog and digital signals
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Aug 16
in
Computer Networks
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(user.guest)
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1
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What is the spectrum of a signal. How is spectrum different from bandwidth
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Aug 16
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Computer Networks
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1
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What's the difference between Nyquist channel capacity theory and the Shannon theory
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Aug 16
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Computer Networks
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(user.guest)
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1
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Explain data rate, bandwidth and error rate
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Aug 16
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Computer Networks
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(user.guest)
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1
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Discuss Direct-link, Point-to-Point, Multipoint, Simplex, Half duplex and full duplex
asked
Aug 16
in
Computer Networks
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(user.guest)
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votes
2
answers
Discuss the two (2) types of transmission media
asked
Aug 14
in
Computer Networks
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(user.guest)
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1
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What is the significance of the protocol architecture
asked
Aug 14
in
Computer Networks
by
(user.guest)
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1
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Discuss some of the forces that have consistently driven the architecture and evolution of data communications
asked
Aug 14
in
Computer Networks
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(user.guest)
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