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What is a pointer and does Java support pointers?
Pointer is a reference handle to a memory location. Improper handling of pointers leads to memory leaks and reliability issues as Java doesn't support the usage of pointers.
802.11b HR DSSS a) High-rate DSSS using a 2.4 GHz band b) Similar to DSSS excluding for encoding method c) Uses complementary code keying (CCK), encoding 4 or 8 bits to
Can you explain in short what VPN is?
Q. Resolution of domain name system? - Mapping a name to an address or else an address to a name - Resolver is a DNS client used by an address to provide mapping - In re
what are usages of gogle and internet
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
What is a Management Information Base (MIB)? A Management Information Base is part of each SNMP-managed device. Every SNMP agent has the MIB database that having information ab
Electronic Mail One of the most popular internet services is electronic mail ( e mail). At the beginning of the internet era teh message sent by electronic mail were sh
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
What are the two types of Transmission technologies, basis on which computer networks can be categorized? Broadly there are two types of transmission technology: 1. Broadc
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