Description : In which OSI layers does the FDDI protocol operate? A) Physical B) Data link C) Network D) A and B
Last Answer : D) A and B
Description : Which layers of the OSI reference model are host-to-host layers ? (A) Transport, Session, Presentation, Application (B) Network, Transport, Session, Presentation (C) Data-link, Network, Transport, Session (D) Physical, Data-link, Network, Transport
Last Answer : (A) Transport, Session, Presentation, Application
Description : In the TCP/IP protocol architecture, the Network Access Layer includes ………………………………...layers of the OSI Reference Model. A. presentation, session, application B. physical, data link, network C. data link, network D. physical, data link
Last Answer : B. physical, data link, network
Description : Which layers of the OSI determines the interface often system with the user? A) Network B) Application C) Data link D) Session
Last Answer : B) Application
Description : Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? (A) Physical (B) Data-link (C) Transport (D) Application
Last Answer : (C) Transport
Description : The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. a.data link b.network c.physical d.application
Last Answer : d.application
Description : The ............layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer
Last Answer : A) Physical layer
Description : The physical address to each machine is provided by which layer in an OSI reference model? A. Physical layer B. Data Link Layer C. Network Layer D. Transport Layer
Last Answer : B. Data Link Layer
Description : In OSI model at which layer modulator/demodulators are used? A. data link layer B. network layer C. session layer D. physical Layer
Last Answer : D. physical Layer
Description : The layer that transmits data in the form of bit streams using electrical and mechanicalsystems is in the OSI model. a. Physical layer b. Transport Layer c. Network Layer d. Data Link Layer
Last Answer : a. Physical layer
Description : Choose the correct layer numbers and names of the OSI model below. a. Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer b. Layer 7 - Application Layer, Layer 6 - Presentation Layer c. Layer 5 - Session Layer, Layer 4 - Transport Layer d. All given options
Last Answer : d. All given options
Description : Which of the following OSI layers correspond to TCP/IP's application layer? A) Application B) IP Address C) Session D) All of the above
Last Answer : D) All of the above
Description : TCP/IP ................. layer corresponds to the OSI models to three layers. A) Application B) Presentation C) Session D) Transport
Last Answer : A) Application
Description : Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control) c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above
Last Answer : d. All the above
Description : FDDI used which type of physical topology? A) Bus B) Ring C) Star D) Tree
Last Answer : A) Bus
Description : Layer one of the OSI model is a. physical layer b. link layer c. transport layer d. network layer e. none of above
Last Answer : physical layer
Description : Data Link Control Protocol (HDLC) is implemented at the ……… A. Data link layer B. Network layer C. transport layer D. Physical layer
Last Answer : A. receive sliding window.
Description : ………………….. is responsible for converting the higher level protocol addresses (IP addresses) to physical network addresses. A) Address Resolution Protocol (ARP) B) Reverse Address Resolution Protocol (RARP) C) Bootstrap Protocol (BOOTP) D) Internet Control Message Protocol (ICMP)
Last Answer : A) Address Resolution Protocol (ARP)
Description : ........ is responsible for converting the higher level protocol addresses to physical Network Addresses. A) Address Resolution Protocol (ARP) B) Reverse Address Resolution Protocol (RARP) C) Bootstrap Protocol (BOOTP) D) Internet Control Message Protocol (ICMP)
Last Answer : D) Internet Control Message Protocol (ICMP)
Description : In FDDI, data normally travel on .................. A) The primary ring B) The Secondary ring C) Both rings D) Neither ring
Last Answer : A) The primary ring
Description : FDDI stands for A) Fiber Distributed Data Interface B) Fiber Data Distributed Interface C) Fiber Dual Distributed Interface D) Fiber Distributed Data Interface
Last Answer : A) Fiber Distributed Data Interface
Description : The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Description : The............ layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Description : In OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer e. none of above
Last Answer : network layer
Description : In OSI network architecture, the dialogue control and token management are responsibility of a. session layer b. network layer c. transport layer d. data link layer e. none of above
Last Answer : session layer
Description : Which OSI layer assumes responsibility for managing network connections between applications? a. Network layer b. Data link layer c. Application layer d. Session layer
Last Answer : d. Session layer
Description : In OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer
Last Answer : a. network layer
Description : In OSI network architecture, the dialogue control and token management are responsibility of a. session layer b. network layer c. transport layer d. data link layer
Last Answer : a. session layer
Description : Find out the OSI layer, which performs token management. A) Network Layer B) Transport Layer C) Session Layer D) Presentation Layer
Last Answer : C) Session Layer
Description : In a fully connected mesh network with n devices, there are ................ physical channels to link all devices. (A) n(n–1)/2 (B) n(n+1)/2 (C) 2n (D) 2n+1
Last Answer : (A) n(n–1)/2
Description : Most networks employ devices for routing services. Routers work at which of the Following OSI Layers? 1) Transport 2) Network 3) Presentation 4) Session
Last Answer : 2) Network
Description : Most networks employ devices for routing services. Routers work at which of the Following OSI Layers? 1 Transport 2 Network 3 Presentation 4 Session
Last Answer : 2 Network
Description : ……………….. is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected. A) FDDI B) FDDT C) FDDR D) FOTR
Last Answer : A) FDDI
Description : ........... is a high performance fiber optic token ring LAN running at 100 Mbps over distances up to 1000 stations connected. A) FDDI B) FDDT C) FDDR D) FOTR
Description : The ............ layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation
Description : What is the difference between a switch and a hub? A. Switches operate at physical layer while hubs operate at data link layer B. Switches operate at data link layer while hubs operate at ... hubs operate at physical layer D. Switches operate at transport layer while hubs operate at physical layer
Last Answer : C. Switches operate at data link layer while hubs operate at physical layer
Description : In the OSI model, as a data packet moves from the lower to the upper layers, headers are a. Added b. Removed c. Rearranged d. Randomized
Last Answer : b. Removed
Description : Which of the following layers of the OSI reference model is concerned with the syntax of data exchanged between application entities? a. Presentation layer b. Application layer c. Transportation layer d. Session layer
Last Answer : a. Presentation layer
Description : .In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a. Added b. Removed c. Rearranged d. Randomized
Description : In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a) Added b) Removed c) Rearranged d) Randomized
Last Answer : b) Removed
Description : Write the name of layers that perform the following functions in OSI : I. Data Encryption II. Error Correction III. File Transfer IV. Data Encoding
Last Answer : 1. Data Encryption-Presentation Layer 2. Error Correction-Data link layer and Transport layer 3. File Transfer-Application layer 4. Data Encoding-Presentation layer
Description : A _________ interconnects LAN having identical protocols at the physical and data link layers. A. All of these B. bridge C. router D. Gateway
Last Answer : B. bridge