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Describe Network Topology and VPN
Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they join to one another.
VPN means Virtual Private Network, a technology that permits a secure tunnel to be formed across a network such as the Internet. For instance, VPNs allow you to establish a secure dial-up connection to a remote server.
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
Describe OSPF?
Header length This field specifies the length of the TCP header in 32 bit words. This information allows the receiver to know the beginning of the data area becau
Explain how Tracert actually work?
Q. Explain about Domain Name System? -In the past, mapping of IP addresses was static using a host file -Impossible in today's dynamic environment -Domain Name System (DN
Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds
The Address Resolution Protocol (ARP) sends out a broadcast to verify the MAC address from the IP address.
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
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