1. Which type of software is focused in supporting communication, collaboration and coordination?
(1) E-business software
(2) CRM software
(3) Groupware
(4) SCM software
(5) IMS software
Ans. (3) Groupware
2. Capability of data mining is to build ................ models.
(1) retrospective
(2) interrogative
(3) predictive
(4) imperative
(5) All
Ans. (3) Predictive model
3. The two most important network architecture or reference model are _____.
i) Layered reference model
ii) OSI reference model
iii) DSL reference model
iv) TCP/IP reference model
(1) i and ii
(2) ii and iii
(3) iii and iv
(4) ii and iv
(5) i and iv
Ans. (4) TCP/IP and OSI reference model
4. Which of the following is not the function of physical layer?
(1) Converting the digital bits into electrical signal
(2) Detecting and correcting errors
(3) Defining voltages and data rates needed for transmission.
(4) Activating, maintaining and deactivating the physical connection
(5) Transmission and reception of the unstructured raw bit stream
Ans. (2) Detecting and correcting errors
5. Which of the following is not the layer of TCP/IP model?
(1) Internet Layer
(2) Application Layer
(3) Transport Layer
(4) Presentation Layer
(5) Network Interface Layer
Ans. (4) Presentation Layer
6. The______ protocol is based on end to end delivery.
(1) SMTP
(2) TCP
(3) IP
(4) SCTP
(5) UDP
Ans. (1) Simple Mail Transfer Protocol
7. In addresses for ................... networks, the first 16 bits specify a particular network, and the last 16 bits specify a particular host.
(1) class A
(2) class B
(3) class C
(4) class D
(5) class E
Ans. (2) class B address
8. In ______ Frequency Spectrum is divided into smaller spectra and is allocated to each user.
(1) TDMA
(2) CDMA
(3) FDMA
(4) FGMA
(5) TCMA
Ans. (3) FDMA
9. In ________ multiple access is achieved by allocating different time slots for the different users.
(1) TDMA
(2) CDMA
(3) FDMA
(4) FGMA
(5) TCMA
Ans. (1) TDMA
10. _______ addresses are reserved for multicasting.
(1) Class B
(2) Class C
(3) Class D
(4) Class E
(5) Class A
Ans. (3) Class D
