Walkins Openings in India & Interview Questions

IP Version 6 (IPv6) is the newest version of IP, sometimes called IPng for “IP, Next Generation”. IPv6 is fairly well defined but is not yet widely deployed.... Read more »

IPv5 never existed. The version number “5? in the IP header was assigned to identify packets carrying an experimental non-IP real-time stream protocol called ST.... Read more »

The 6bone is the experimental IPv6 backbone being developed using IPv6-in-IPv4 tunnels. This is intended for early experimentation with IPv6 and is not a production... Read more »

TCP includes several mechanisms that attempt to sustain good data transfer rates while avoiding placing excessive load on the network. Some of the TCP algorithm... Read more »

Each application running over TCP or UDP distinguishes itself from other applications using the service by reserving and using a 16-bit port number. Destination... Read more »

The IANA(Internet Assigned Numbers Authority) allocates and keeps track of all kinds of arbitrary numbers used by TCP/IP, including well-known port numbers. The... Read more »

Internet Control Message Protocol (ICMP) defines a small number of messages used for diagnostic and management purposes. ICMP depends on IP to move packets around... Read more »

MAC stands for Media Access Control.  Each and every Ethernet device interface to the network media (e.g., network adapter, port on a hub) has a unique MAC address,... Read more »

DHCP (Dynamic Host Configuration Protocol) is an Internet protocol.  It resides in a DHCP server and clients that use the server.  Simply put, a DHCP server supplies... Read more »

The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets (local networks): 10.0.0.0 -... Read more »

Windows 98, 98 SE, Me, and 2000 have an Automatic Private IP Addressing (APIPA) feature that will automatically assign an Internet Protocol address to a computer... Read more »

Data transmitted over a network using the Transport Control Protocol/Internet Protocol (TCP/IP), such as the Internet, includes address information that identifies... Read more »

The Mount protocol returns a file handle and the name of the file system in which a requested file resides. The message is sent to the client from the server after... Read more »

Anonymous FTP enables users to connect to a host without using a valid login and password. Usually, anonymous FTP uses a login called anonymous or guest, with the... Read more »

The Network Time Protocol is a protocol for synchronizing the clocks of computer systems over packet-switched, variable-latency data networks. NTP uses UDP port... Read more »

In Unix, a pseudo terminal is a pseudo-device pair that provides a text terminal interface without associated virtual console, computer terminal or serial port hardware.... Read more »

eXternal Data Representation (XDR) is an IETF standard from 1995 of the presentation layer in the OSI model. XDR allows data to be wrapped in an architecture independent... Read more »

Interior gateways connect LANs of one organization, whereas exterior gateways connect the organization to the outside world.  Read more »

10Base2—An Ethernet term meaning a maximum transfer rate of 10 Megabits per second that uses baseband signaling, with a contiguous cable segment length of 100 meters... Read more »

BOOTP sends a UDP message with a subnetwork broadcast address and waits for a reply from a server that gives it the IP address. The same message might contain the... Read more »