Question 1 of 25
Hints left: 3
Q1
Which transmission mode is used for data communication along telephone lines?
Q2
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as
Q3
Networks where end user workstations are tied to LAN servers to share resources and application processing.
Q4
Which of the following digits are known as the terminal number of the Network User Address (NUA)?
Q5
Which of the following transmission systems provides the highest data rate to an individual device
Q6
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.
Q7
The core diameter of a single-mode fibers is about
Q8
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?
Q9
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?
Q10
An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is
Q11
Which of the following TCP/IP protocol is used for transferring files from one machine to another?
Q12
If the client receives an address from a DHCP server, what is the only information available in the Network Properties dialog box?
Q13
Communication circuits that transmit data in both directions but not at the same time are operating in
Q14
Which of the following TCP/IP protocol is used for remote terminal connection service?
Q15
Who invented the modem?
Q16
Which of the following device is used with an X.25 network to provide service to asynchronous terminals
Q17
Which of the following TCP/IP internet protocol a diskless machine uses to obtain its IP address from a server?
Q18
A medium access control technique for multiple access transmission media is
Q19
Which of the following connectivity devices is used to extend a network on a purely mechanical basis?
Q20
Which of the following is an example of bounded medium?
Q21
In OSI network architecture, the dialogue control and token management are responsibilities of
Q22
Which of the following communications modes support two-way traffic but in only one direction of a time?
Q23
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?
Q24
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?
Q25
In a synchronous modem, the digital-to-analog converter transmits signal to the