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Q. Describe about Packet Switching?
Packet Switching
- Data are transmitted in separate units
- Called Packet
- Packets are variable length blocks
- The max length of packet is established by network layer.
- Packet contains
- Data and
- Header with control info.
- According to the header info the packets are routed between nodes.
What is Frequency diversity Due to the transmission is spread out over a larger bandwidth, frequency-dependent transmission impairments, like as noise bursts and selective fadi
CHARACTERIZATION OF NETWORKS: There are three kinds of characterization of networks. LOCAL AREA NETWORK (LAN): It is needed for a single building. METROPOLOTAN AREA
The FORALL Statement The FORALL statement allows for more common assignments to sections of an array. A FORALL statement has the general form. FORALL ( triplet
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
"SAP" is used by the Cisco IOS for which encapsulation types? Ans) Three types:- Ethernet_802.2 Token-Ring FDDI_802.2
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
Process of Securing an Intranet Securing an Intranet is not a simple task. Mere installation of firewall hardware and software would not help the Intranet to protect itself. P
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
The most difficult representatives of shared memory programming models are thread libraries present in mainly of the modern operating systems. Some examples for thread libraries ar
Question - 1 Define MIS and its objectives. What are the characteristics of MIS? Question - 2 Explain data processing Question - 3 What are the recent developments in database
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