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Home » Technical » Networking » Aptitude Test - 11
1.The acronym OSI stands for ____ in computer networking.
A. Organization for Standards Institute
B. Open Systems Interconnection
C. Organizing Systems Interconnection
D. Organization for Standards Institute
2.Who developed standards for the OSI reference model?
A. ANSI - American National Standards Institute
B. ISO - International Standards Organization
C. IEEE - Institute of Electrical and Electronics Engineers
D. ANSI - American National Standards Institute
3.Each layer of the OSI model receives services or data from a ___ layer.
A. below layer
B. above layer
C. -
D. below layer
4.In the OSI model, each layer gives services or data to the __ layer.
A. below
B. above
C. -
D. below
5.A layer of the OSI model on one system communicates with the ___ layer of its peer system.
A. above
B. below
C. same
D. above
6.Choose the correct layer numbers and names of the OSI model below.
A. Layer 7 - Application Layer, Layer 6 - Presentation Layer
B. Layer 5 - Session Layer, Layer 4 - Transport Layer
C. Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer
D. Layer 7 - Application Layer, Layer 6 - Presentation Layer
7. In an OSI model, the lowest layer is the ___ layer.
A. Application Layer
B. Physical Layer
C. Presentation Layer
D. Application Layer
8.In the OSI model, which is the highest layer?
A. Application Layer
B. Physical Layer
C. Presentation Layer
D. Application Layer
9.In the OSI model, the bottom 3 layers assist in ___.?
A. converting data
B. transporting data
C. -
D. converting data
10.What are the advantages of 7 layers of OSI model?
A. Troubleshooting the network is easy.
B. Developing new functions or services for a particular layer is easy.
C. Developing hardware devices targetting certain layers is easy because the services to be offered are fixed.
D. Troubleshooting the network is easy.
11.A set of standards that define how to communicate with each layer of the OSI model are ___.?
A. functions
B. protocols
C. data formats
D. functions
12.The layer that transmits data in the form of bit streams using electrical and mechanical systems is ___ in the OSI model.
A. Physical layer
B. Data Link Layer
C. Network Layer
D. Physical layer
13.The physical layer involves ___?
A. Optical, electrical and mechanical properties
B. Voltage levels, timing and frequency
C. Physical connections
D. Optical, electrical and mechanical properties
14.The transmission media like ___ are part of the Physical layer of OSI model.?
A. Copper cables
B. OFC - Optical Fiber Cables
C. RF - Radio Frequency waves including Microwaves
D. Copper cables
15.An ethernet cable is part of __ layer in the OSI model.?
A. Physical layer
B. Data Link Layer
C. Network Layer
D. Physical layer
16.The protocols working in the physical layer of the OSI Model are ___.?
A. USB, Bluetooth, IEEE 802.3, IEEE 802.11, IEEE 802.15, IEEE 802.16
B. POTS, PDH, SONET, SDH, PON, OTN, DSL, ITU-T V series, ITU-T G.hn PHY
C. I.430, I.431, EIA/TIA-232, EIA/TIA-449
D. USB, Bluetooth, IEEE 802.3, IEEE 802.11, IEEE 802.15, IEEE 802.16
17.Which is the layer of the OSI reference model that employs Error Detection?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Physical Layer
18.Which is the layer that converts Packets to Frames and Frames to Packets in the OSI model?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Physical Layer
19.Which is the layer that converts Raw Bits to Frames and Frames to Raw Bits in the OSI model?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Physical Layer
20.A topology that is responsible for describing the geometric arrangement of components that make up the LAN.
A. Complex
B. Physical
C. Logical
D. Complex
21._____ LAN topology describes the possible connections between pairs of networked end-points that can communicate.?
A. Complex
B. Physical
C. Logical
D. Complex
22.A term that refers to the way in which the nodes of a network are linked together.
A. network
B. topology
C. connection
D. network
23. A network comprising o multiple topologies.?
A. Complex
B. Hybrid
C. Bus
D. Complex
24.The participating computers in a network are referred to as:
A. Clients
B. Servers
C. Nodes
D. Clients
25.A topology that involves Tokens.
A. Star
B. Ring
C. Bus
D. Star
26.A ____________WAN can be developed using leased private lines or any other transmission facility.
A. Hybrids
B. peer-to-peer
C. Two-tiered
D. Hybrids
27.A serially connected system of all the hubs of networks.
A. Bus
B. Ring
C. Daisy chains
D. Bus
28.A piece of information which is sent along with the data to the source computer.
A. data
B. module
C. token
D. data
29. _______ refers to the way a network is laid out, either physically or logically.?
A. Line configuration
B. Topology
C. Transmission mode
D. Line configuration
30.Which of the following is a basic network topology?
A. Star
B. Mesh
C. Ring
D. Star
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