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What is the difference among URL instance and URL Connection instance?
Ans) A URL instance represents the location of a resource, and a URL Connection instance shows a link for accessing or communicating with the resource at the location.
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
What is routing region? When hierarchical routing is used, the routers are separated into what we call regions, with each router knowing all the details about how to route pack
Q. Explain the types of Security Threats? (a) Normal Flow (b) Interruption: An asset of a system develops into unavailable or unusable. (c) Interception: A few unaut
COMPUTER NETWORKS 1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model. 2. Define the following terms: a) Ana
The relationship between dotted decimal notation and classes is shown as follows. In class A the three octets managed to a host suffix. In class B the last most two octets ar
What is SMTP? SMTP is short for Simple Mail Transfer Protocol. This protocol deals with all internal mail, and gives the essential mail delivery services on the TCP/IP protocol
What are the Disadvantages of Microwaves? a. Attenuation by solid objects: birds, snow, rain, and fog. b. Reflected from flat surfaces such as water and metal. c. Diffra
Question 1 Explain the process of Components Identification and call establishment Question 2 Discuss on Basic services in GSM Question 3 Explain the Protocols Use
What is a File server? File servers are helpful for sharing files across a network. With a file server, the client passes requests for file records over system to file server.
IGRP uses flash updates, poison reverse updates, hold down times, and divide horizon. How often does it broadcast its routing table updates? Ans) 90 seconds
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