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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
A logic gate drives a load, which has a resistance of 1 kÙ and a capacitance of 20 pF. The printed circuit track connecting the gate to its load has an 40 pF capacitance to ground.
WAN interface card(WIC) slots Two fixed WIC slots are present in 2600 series router except 2691. It has contained 3 WIC slots. Network Module Expansion Slot( NM) slot
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
Allows for transmission and receiving of data concurrently
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
Question: (a) Suppose that you are a communication engineer and you have to construct a mobile telephone network with bandwidth W = 4.2 MHz in each link. The data rate is
What is the function of the OSI Session Layer? This layer gives the protocols and means for two devices on the network to communicate with each other by holding a session. Thi
Hybrid of Client Server and P2P Architecture Both of the architecture are commonly used architecture. However many applications are organized as by brides of the clie
Question : a) What does association refer to in IEEE 802.11? b) State the fundamental principles of 3GPP security. c) Explain the term "binding" in Mobile IPv6 d)
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