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Name the OSI layer which performs code conversion, code formatting and encryption
Ans) Presentation layer performs code conversion, code formatting and encryption
What is Telnet It is a protocol or set of rules that uses to connect one computer to another computer in network. It is also called as a remote login. The telnet operates on cl
Write the characteristic of Store and Forward switches? A) Store and Forward switch will not forward fragments. B) The longer the frame, the longer the delay (latenc
What is the difference between CSMA/CD and CSMA/CA? CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first
1. A virtual memory system has a virtual address space of 4 Gigabytes and a page size of 8 Kilobytes. Each page table entry occupies 4 bytes. a) How many bits remain unchanged
define protocol
Undesirable Sharing With the good comes the bad while networking allow the easy sharing of useful information it also the sharing of undesirable data. One sign
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
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
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
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