The probability that a single bit will be in error on a typical public telephone line usingbps modem isto the power -If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?

The frequency range :kHz to 3 MHz is used for

Which utility is an all-purpose tool for troubleshooting TCP/IP problems?

Which of the following device is used with an X.network to provide service to asynchronous terminals

A band is always equivalent to

What doestranslate to in binary?

Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM?

The X.standard specifies a

Which of the following digits are known as the area code of the Network User Address (NUA)?

When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?

Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Who invented the modem?

What OSI layer handles logical address to logical name resolution?

If the ASCII character H is sent and the character I is received, what type of error is this?

Terminals are required for

A network which is used for sharing data, software and hardware among several users owning microcomputers is called

Frames from one LAN can be transmitted to another LAN via the device

ASK, PSK, FSK, and QAM are examples of _____ encoding.

With an IP address of 201.142.23.what is your default subnet mask?

In communication satellite, multiple repeaters are known as

A medium access control technique for multiple access transmission media is

What is the port number for HTTP?

Which of the following program is used to copy files to or from another UNIX timesharing system over a single link?

Number of bits per symbol used in Baudot code is

You are working with a network that has the network ID 10.9.0.0 and containsnetworks. In the next year, you will be adding an additionalbranch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

The amount of uncertainty in a system of symbol is called

The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

End-to-end connectivity is provided from host-to-host in:

You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer.