What command-line tool would help you discover for which port numbers your computer is listening?

Correct Answer: to get the ping back from other computer with no packet loss

Correct Answer: In a baseband transmission, the entire bandwidth of the cable is consumed by a single signal In broadband transmission, signals are sent on multiple frequencies, allowing multiple signals to be sent simultaneously

Correct Answer: In a Ethernet network, between any two points on the network, there can be no more than five network segments or four repeaters, and of those five segments only three of segments can be populated

Correct Answer: PERL & C

Explanation:

PHP is similar to the C style syntax in terms of keywords and language syntax.

 

If conditions, for and while loops, and function returns are similar in syntax to languages such as C, C++, C#, Java and Perl.

Correct Answer: start page

Explanation:

A website main page is called as start page or home page.

Correct Answer: CLASS B with NET ID 19515200

Correct Answer: TELNET is a client-server application that allows a user to log on to a remote machine, giving the user access to the remote system TELNET is an abbreviation of terminal Network

Correct Answer: The Asynchronous Transfer Mode or ATM is a connection technology that works by transmitting data into organized 53 bytes (small) packages through a physical environment with a high efficiency Packing data into small cells reduces transportation delay so the speeds reached by this technology are very high; it can reach even 10 Gb per second

Correct Answer: The correction of errors is more difficult than the detection In error detection, checks only any error has occurred In error correction, the exact number of bits that are corrupted and location in the message are known The number of the errors and the size of the message are important factors

Correct Answer: The function of PAD (Packet Assembler Disassembler) is described in a document known as X3 The standard protocol has been defined between the terminal and the PAD, called X28; another standard protocol exists between hte PAD and the network, called X29