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Question:
(a) Distinguish between Flow Control and Congestion Control.
(b) Explain clearly how a URL is resolved by a computer.
(c) List one application that uses TCP protocol and one application that uses UDP.
(d) Compare and contrast POP and IMAP.
(e) With the aid of a diagram, describe the role of the User Agent (UA), the Mail Transfer Agent (MTA) and the SMTP server in the Simple Mail Transfer Protocol (SMTP).
(f) How does ATM provide Quality of Service?
How could a VPN be used to facilitate secure remote administration of a server?
State how the different IP-QoS needs for controling traffic, data and voice applications can be supported in your technology choice from Q7. Describe the specific IP-QoS schemes -
Q. Show the Error control in TCP? Error control in TCP Detect lost segments, out-of-order segments, corrupted segments and duplicated segments Three tools: chec
To stop Service Advertisements (SAPs) from flooding a network, Cisco routers do not forward them. How are services advertised to other networks? Ans) Every router builds its own
a) Consider that a host is sending a frame of 1200 bytes to another host found 20 Kilometers away. (Assume that switching delay is negligible) i) Calculate the total latency (
The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds
Advantage of Repeaters Repeaters provide the advantage of increasing type size of LAN or connecting LAN segments. Repeater can overcome 10 base 5 Ethernet LANM restrictio
Can you describe the concept of DHCP?
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
no ip domain-lookupcommand is use to disable domain lookup
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