Q.1
Which of the following is an advantage to using fiber optics data transmission?
Q.2
Which of the following statement is incorrect?
Q.3
Modem is used in data transmission. When was it invented and in which country?
Q.4
You have a network ID of 134.57.0.0 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?
Q.5
When UPC is used, the price of the item is located
Q.6
Error control is needed at the transport layer because of potential errors occurring _____.
Q.7
Which of the following communications service provides message preparation and transmission facilities?
Q.8
Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?
Q.9
The transport layer protocol is connectionless.
Q.10
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
Q.11
Communication between computers is almost always
Q.12
A hard copy would be prepared on a
Q.13
Which of the following device copies electrical signals from one Ethernet to another?
Q.14
Stephanie is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is basic. Which network(s) would be the best for Stephanie to set up?
Q.15
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Q.16
You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?
Q.17
Which of the following files is used for NetBIOS name resolution?
Q.18
HDLC (High-level Data Link Control) is
Q.19
You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports four subnets and a maximum number of hosts?
Q.20
Establishing a virtual connection is functionally equivalent to
Q.21
What protocol is used between E-Mail servers?
Q.22
If you configure the TCP/IP address and other TCP/IP parameters manually, you can always verify the configuration through which of the following? Select the best answer.
Q.23
The first step in troubleshooting many problems is to verify which of the following?
Q.24
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
Q.25
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
Q.26
Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
Q.27
Which of the following statements is correct?
Q.28
Which of the following characteristic(s) is/are suited to the PSS applications?
Q.29
Because the configuration infor-mation for a DHCP client is received dynamically, you must use which utility to read the current configuration to verify the settings?
Q.30
A required characteristic of an online real-time system is:
0 h : 0 m : 1 s