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MCQOPTIONS
This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1851. |
Transmission of computerised data from one location to another is called |
| A. | data transfer |
| B. | data flow |
| C. | data communication |
| D. | data management |
| E. | None of the above |
| Answer» D. data management | |
| 1852. |
Compared to analog signals, digital signals |
| A. | allow faster transmission |
| B. | are more accurate |
| C. | both (a) and (b) |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 1853. |
Data are sent over pin _____ of the EIA-232 interface. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | All of the above |
| Answer» B. 3 | |
| 1854. |
To connect a computer with a device in the same room, you might be likely to use |
| A. | a coaxial cable |
| B. | a dedicated line |
| C. | a ground station |
| D. | All of the above |
| Answer» B. a dedicated line | |
| 1855. |
Demodulation is a process of |
| A. | converting analog to digital signals |
| B. | converting digital to analog signals |
| C. | multiplexing various signals into one high speed line signals |
| D. | performing data description. |
| Answer» B. converting digital to analog signals | |
| 1856. |
Internet-like networks between a company and its business partners. Select the best fit for answer: |
| A. | Bandwidth alternatives |
| B. | Switching alternating |
| C. | Inter organizational networks |
| D. | Extranets |
| Answer» E. | |
| 1857. |
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations? |
| A. | Memory resident package |
| B. | Project management package |
| C. | Data communication package |
| D. | Electronic mail package |
| E. | None of the above |
| Answer» D. Electronic mail package | |
| 1858. |
The communication mode that supports two-way traffic but only one direction at a time is |
| A. | simplex |
| B. | duplex |
| C. | half duplex |
| D. | multiplex |
| E. | None of the above |
| Answer» D. multiplex | |
| 1859. |
Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively? |
| A. | SMTP |
| B. | DHCP |
| C. | IMAP |
| D. | POP3 |
| Answer» E. | |
| 1860. |
On a class C network with a subnet mask of 192, how many subnets are available? |
| A. | 254 |
| B. | 62 |
| C. | 30 |
| D. | 14 |
| E. | 2 |
| Answer» F. | |
| 1861. |
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer. |
| A. | Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology |
| B. | Ethernet, because it is cabled using fiber-optic cable |
| C. | Token-Ring, because it uses a MAU |
| D. | Ethernet, because it can be set up with most topologies and can use multiple transfer speeds |
| E. | Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies |
| Answer» E. Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies | |
| 1862. |
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called? |
| A. | Park |
| B. | Bridge |
| C. | Interface |
| D. | Link |
| E. | None of the above |
| Answer» C. Interface | |
| 1863. |
For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? |
| A. | Recognised standard |
| B. | Random sequence |
| C. | Recommended standard |
| D. | Registered source |
| E. | None of the above |
| Answer» D. Registered source | |
| 1864. |
Which of the following file retrieval methods use hypermedia? |
| A. | HTTP |
| B. | WAIS |
| C. | Veronica |
| D. | Archie |
| E. | None of the above |
| Answer» B. WAIS | |
| 1865. |
Which of the following specifies the network address and host address of the computer? |
| A. | The IP address |
| B. | The TCP address |
| C. | The subnet mask |
| D. | The default gateway |
| E. | None of the above |
| Answer» B. The TCP address | |
| 1866. |
Which IP address class has few hosts per network? |
| A. | D |
| B. | C |
| C. | B |
| D. | A |
| E. | None of the above |
| Answer» C. B | |
| 1867. |
Microprogramming is |
| A. | assembly language programming |
| B. | programming of minicomputers |
| C. | control unit programming |
| D. | macro programming of microcomputers |
| E. | None of the above |
| Answer» D. macro programming of microcomputers | |
| 1868. |
A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used. |
| A. | 500 Kbps |
| B. | 32 Kbps |
| C. | 8 Kbps |
| D. | 64 Kbps. |
| Answer» E. | |
| 1869. |
How can you see the address of the DHCP server from which a client received its IP address? |
| A. | By using Advanced Properties of TCP/IP |
| B. | By using IPCONFIG/ALL |
| C. | By using DHCPINFO |
| D. | By pinging DHCP |
| E. | None of the above |
| Answer» C. By using DHCPINFO | |
| 1870. |
A network that requires human intervention of route signals is called a |
| A. | bus network |
| B. | ring network |
| C. | star network |
| D. | T-switched network |
| E. | None of the above |
| Answer» E. None of the above | |
| 1871. |
What is the port number for POP3? |
| A. | 110 |
| B. | 90 |
| C. | 80 |
| D. | 49 |
| Answer» B. 90 | |
| 1872. |
You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 hosts and a maximum number of subnets? |
| A. | 255.255.255.192 |
| B. | 255.255.255.224 |
| C. | 255.255.255. 240 |
| D. | 255.255.255.248 |
| E. | 255.255.255.252 |
| Answer» D. 255.255.255.248 | |
| 1873. |
You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign? |
| A. | 255.255.192.0 |
| B. | 255.255.224.0 |
| C. | 255.255.240.0 |
| D. | 255,255.248.0 |
| E. | 255.255.252.0 |
| Answer» F. | |
| 1874. |
Parity bit is |
| A. | an error-detecting code based on a summation operation performed on the bits to be checked. |
| B. | a check bit appended to an array of binary digits to make the sum of all the binary digits. |
| C. | a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected |
| D. | the ratio of the number of data units in error to the total number of data units |
| E. | None of the above |
| Answer» C. a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected | |
| 1875. |
When using the loopback address, if TCP/IP is installed correctly, when should you receive a response? |
| A. | Immediately |
| B. | Only if the address fails |
| C. | After the next host comes online |
| D. | Within two minutes |
| E. | None of the above |
| Answer» B. Only if the address fails | |
| 1876. |
The modern enterprise is interconnected internally and externally by the Internet, intranets, and other networks. Select the best fit for answer: |
| A. | Internetworked enterprise |
| B. | Information super highway |
| C. | Business applications of telecommunications |
| D. | Client/Server networks |
| E. | None of the above |
| Answer» B. Information super highway | |
| 1877. |
The data communication support should include, but is not restricted to |
| A. | file transfer and transaction processing |
| B. | file and database access |
| C. | terminal support, electronic mail and voice grams. |
| D. | All of the above |
| Answer» E. | |
| 1878. |
A decrease in magnitude of current, voltage, a power of a signal in transmission between points, is known as |
| A. | Attenuation |
| B. | Amplitude |
| C. | Aloha |
| D. | Carrier |
| E. | None of the above |
| Answer» B. Amplitude | |
| 1879. |
Which of the following device copies electrical signals from one Ethernet to another? |
| A. | bridge |
| B. | repeater |
| C. | hub |
| D. | passive hub |
| E. | None of the above |
| Answer» C. hub | |
| 1880. |
Which of the following performs modulation and demodulation? |
| A. | fiber optic |
| B. | satellite |
| C. | coaxial cable |
| D. | modem |
| E. | None of the above |
| Answer» E. None of the above | |
| 1881. |
Data communications monitors available on the software market include |
| A. | ENVIRON/1 |
| B. | TOTAL |
| C. | BPL |
| D. | Telenet |
| E. | None of the above |
| Answer» B. TOTAL | |
| 1882. |
You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice? |
| A. | Token-Ring |
| B. | CSMA/CD |
| C. | Ethernet |
| D. | CSMA/CA |
| E. | ARCnet |
| Answer» B. CSMA/CD | |
| 1883. |
Which of the following network access standard is used for connecting stations to a packet-switched network? |
| A. | X.3 |
| B. | X.21 |
| C. | X.25 |
| D. | X.75 |
| E. | None of the above |
| Answer» D. X.75 | |
| 1884. |
Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer: |
| A. | TCP/IP |
| B. | Protocol |
| C. | Open Systems |
| D. | Internetwork processor |
| Answer» E. | |
| 1885. |
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? |
| A. | Peer-to-peer |
| B. | Master domain |
| C. | Server-based |
| D. | WAN |
| E. | Share-level |
| Answer» D. WAN | |
| 1886. |
When UPC is used, the price of the item is located |
| A. | on the item |
| B. | on the item and on the shelf |
| C. | in computer storage |
| D. | on the shelf and in computer storage |
| E. | None of the above |
| Answer» E. None of the above | |
| 1887. |
Error control is needed at the transport layer because of potential errors occurring _____. |
| A. | from transmission line noise |
| B. | in routers |
| C. | from out-of-sequence delivery |
| D. | from packet losses. |
| Answer» C. from out-of-sequence delivery | |
| 1888. |
Which network is a packet switching network? |
| A. | Ring network |
| B. | LAN |
| C. | Star network |
| D. | EuroNET |
| E. | None of the above |
| Answer» E. None of the above | |
| 1889. |
Symbolic languages were developed in |
| A. | 1962 |
| B. | 1950 |
| C. | 1974 |
| D. | 1980 |
| E. | None of the above |
| Answer» C. 1974 | |
| 1890. |
The report card and merit list forms the |
| A. | Output data |
| B. | Data processing |
| C. | Central Processing |
| D. | Input data |
| E. | None of the above |
| Answer» B. Data processing | |
| 1891. |
A memory that holds micro programs is |
| A. | Core memory |
| B. | ROM |
| C. | RAM |
| D. | Control memory |
| E. | None of the above |
| Answer» C. RAM | |
| 1892. |
The organization and interconnection of the various components of a computer system is |
| A. | Architecture |
| B. | Networks |
| C. | Graphics |
| D. | Designing |
| E. | None of the above |
| Answer» B. Networks | |
| 1893. |
Which programming language is based on Algol 60. |
| A. | PILOT |
| B. | SNOBOL |
| C. | ADA |
| D. | SIMULA |
| E. | None of the above |
| Answer» E. None of the above | |
| 1894. |
Computer memory consists of |
| A. | RAM |
| B. | ROM |
| C. | PROM |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 1895. |
A number which is stored and processed but not in the standard exponential form is called |
| A. | Floating point number |
| B. | Fixed point number |
| C. | Octal number |
| D. | Decimal number |
| E. | None of the above |
| Answer» C. Octal number | |
| 1896. |
A device invented by Dr. Bobeck in 1966, for mass storage of data is |
| A. | Punched paper tape |
| B. | Magnetic bubble storage |
| C. | Magnetic tape |
| D. | Magnetic disk |
| E. | None of the above |
| Answer» C. Magnetic tape | |
| 1897. |
A path by which communication is achieved between a central processor and other devices is called |
| A. | Audit trail |
| B. | Network |
| C. | Bus |
| D. | Channel |
| E. | None of the above |
| Answer» D. Channel | |
| 1898. |
A stand-alone system which produces one page of printed output at a time is |
| A. | Page printer |
| B. | Line printer |
| C. | Laser printer |
| D. | Dot matrix printer |
| E. | None of the above |
| Answer» B. Line printer | |
| 1899. |
A memory that does not change its contents without external causes is known as |
| A. | Dynamic memory |
| B. | Static memory |
| C. | RAM |
| D. | EEPROM |
| E. | None of the above |
| Answer» C. RAM | |
| 1900. |
Which of the following is the coding of data so that is can't be easily understood if intercepted. |
| A. | Barcode |
| B. | Decoder |
| C. | Encryption |
| D. | Mnemonics |
| E. | None of the above |
| Answer» D. Mnemonics | |