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Q. What is Two Types of Errors?
Single-Bit Errors: Merely one bit in the data unit has changed
Burst Errors of length 'n': 2 or more bits in the data unit have changed (=n' is the distance between the FIRST and LAST errors in the data block)
Single-Bit Errors
Burst Errors
Configure Spanning Tree Step 1: Examine the default configuration of 802.1D STP. On each switch, display the spanning tree table with the show spanning-tree command. R
Q. Show the Go-back-N - Control Variables? - S- holds the series number of the recently sent frame - SF - holds sequence number of the first frame in the window - SL - ho
VPN Technology For an organization VPN technology uses some main techniques for privacy a.Encryption /Authentication b.Tunnelling c.Fire walls
ARP sent the request in broadcast, response is unicast When a source sends ARP request the switch broadcast the ARP req. if it doesn't have the destination mac address in its ma
Q. Explain Simple Mail Transfer Protocol? Electronic Mail -Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet -Addressing consists of two pa
What is the Gateway A Gateway is a device like a mini or microcomputer capable of operating on a standalone basis but which also gives connection for communication with the oth
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
What is autonomous system? It is a collection of routers under the control of a one administrative authority and that uses a common Interior Gateway Protocol.
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
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