Dear Aspirants,
Welcome to Online Computer Quiz in Affairscloud.com. Here we are providing sample questions in Data Communication & Networking. It will be very useful for all SBI/IBPS/LIC exams and other competitive exams. We have also included some important questions that are repeatedly asked in previous exams.
- Layer 2 of the OSI model is _________
A. Physical layer
B. Data link layer
C. Transport layer
D. Network layerB. Data link layer - DNS stands for ________
A. Domain Network Service
B. Dynamic Name System
C. Dynamic Network System
D. Domain Name SystemD. Domain Name System - What is the use of Bridge in Network?
A. to separate LANs
B. to control Network Speed
C. to connect LANs
D. All of the aboveC. to connect LANs - Layer 7 of the OSI model is _________
A. Physical layer
B. Data link layer
C. Transport layer
D. Application layerD. Application layer - Bridge operated in which layer of the OSI model?
A. Physical layer
B. Data link layer
C. Transport layer
D. Network layerB. Data link layer - ADSL stands for __________
A. Asynchronous Digital System Line
B. Asymmetric Digital Subscriber Line
C. Asynchronous Dual System Line
D. Asymmetric Dual Subscriber LineB. Asymmetric Digital Subscriber Line - Which layers of the OSI model are host-to-host layers?
A. Transport, Session, Presentation, Application
B. Datalink, Network, Physical, Session
C. Network, Transport, Session, Presentation
D. Physical, Datalink, Network, SessionA. Transport, Session, Presentation, Application - Which of the following layer of OSI model also called end-to-end layer?
A. Layer 7
B. Layer 6
C. Layer 5
D. Layer 4D. Layer 4 - Each IP Packet must contain ________
A. Source Address
B. Destination Address
C. Either (A) or (B)
D. Both (A) and (B)D. Both (A) and (B) - Which of the following performs modulation and demodulation?
A. Router
B. Fiber Optic
C. modem
D. TransmitterC. modem
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