Q.1
The core diameter of a single-mode fibers is about
Q.2
Which of the following TCP/IP protocol is used for remote terminal connection service?
Q.3
Networks where end user workstations are tied to LAN servers to share resources and application processing.
Q.4
Which of the following connectivity devices is used to extend a network on a purely mechanical basis?
Q.5
The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet?
Q.6
With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts?
Q.7
Which of the following communications modes support two-way traffic but in only one direction of a time?
Q.8
Which of the following digits are known as the terminal number of the Network User Address (NUA)?
Q.9
Which of the following TCP/IP internet protocol a diskless machine uses to obtain its IP address from a server?
Q.10
In a synchronous modem, the digital-to-analog converter transmits signal to the
Q.11
If the client receives an address from a DHCP server, what is the only information available in the Network Properties dialog box?
Q.12
An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is
Q.13
Which of the following TCP/IP protocol is used for transferring files from one machine to another?
Q.14
Which of the following is an example of bounded medium?
Q.15
Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Q.16
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?
Q.17
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as
Q.18
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.
Q.19
Communication circuits that transmit data in both directions but not at the same time are operating in
Q.20
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?
Q.21
ASK, PSK, FSK, and QAM are examples of _____ encoding.
Q.22
The data-link layer, in reference to the OSI model, specifies
Q.23
What function does a serial interface perform in data communication?
Q.24
You need to determine whether IP information has been assigned to your Windows NT. Which utility should you use?
Q.25
Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:
Q.26
Which of the following statements is correct?
Q.27
A modem is connected in between a telephone line and a
Q.28
What frequency range is used for TV transmission and low power microwave applications?
Q.29
Which of the following statement is correct?
Q.30
In OSI model, which of the following layer transforms information from machine format into that understandable by user
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