Description : The protocol data unit PDU for the Transport layer in the Internet stack is A. Segment B. Datagram C. Message/Data D. Frame
Last Answer : A. Segment
Description : The protocol data unit (PDU) for the application layer in the Internet stack is? a. Datagram b. Frame c. Message d. Segment
Last Answer : c. Message
Description : The protocol data unit(PDU) for the application layer in the Internet stack is (A) Segment (B) Datagram (C) Message/Data (D) Frame
Last Answer : (C) Message/Data
Description : In IPv4, when a datagram is encapsulated in a frame, the total sizeof the datagram must beless thanthe _______. A) MUT B) MAT C) MTU D) noneof the above
Last Answer : MTU
Description : The data unit in the TCP/IP layer called a ..... A) Message B) Segment C) Datagram D) Frame
Last Answer : D) Frame
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 : Application layer is implemented in _______ a. End system b. NIC c. Ethernet d. Packet transport
Last Answer : a. End system
Description : Application layer is implemented in ____________ a) End system b) NIC c) Ethernet d) Packet transport
Last Answer : a) End system
Description : _____defines a protocol data unit (PDU) that is somewhat similar to that of HDLC. A) MAC B) LLC C) LLU D) none of the above
Last Answer : LLC
Description : Which of the following is anecessary part of the IPv6 datagram? A) Base header B) Extension header C) Data packet from the upper layer D) (a) and (c)
Last Answer : Base header
Description : In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________. A. Added B. Removed C. Rearranged D. Modified
Last Answer : A. Added
Description : In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________ a) Added b) Removed c) Rearranged d) Modified
Last Answer : a) Added
Description : Inthe _________ method, a special packet called a ______ circulates through the ring. A) reservation: control frame B) polling: poll request C) token passing: token D) none of the above
Last Answer : token passing: token
Description : A _________ network is across between a circuit-switchednetworkand a datagram network. It has some characteristics ofboth. A) virtual-circuit B) packet-switched C) frame-switched D) none of the above
Last Answer : virtual-circui
Description : In _________, thereis no resource allocation for a packet. A) datagram switching B) circuit switching C) frame switching D) none of the above
Last Answer : datagram switching
Description : A _______is defined as a small, fixed-size block of information. A) frame B) packet C) cell D) none of the above
Last Answer : cell
Description : An IGMP packet is carried in an __________ packet. A) UDP B) IP C) Ethernet frame D) noneof the above
Last Answer : IP
Description : Which of the following statements is TRUE? a. Both Ethernet frame and IP packet include checksum fields b. Ethernet frame includes a checksum field and IP packet includes a CRC field c. Ethernet ... and IP packet includes a checksum field d. Both Ethernet frame and IP packet include CRC fields
Last Answer : Ethernet frame includes a CRC field and IP packet includes a checksum field
Description : In an Ethernet local area network, which one of the following statements is TRUE ? a. A station stops to sense the channel once it starts transmitting a frame. b. The purpose ... collision is detected. d. The exponential backoff mechanism reduces the probability of collision on retransmissions
Last Answer : The exponential backoff mechanism reduces the probability of collision on retransmissions
Description : When does the station B send a positive acknowledgement (ACK) to station A in Stop and Wait protocol? a. only when no error occurs at the transmission level b. when retransmission of old packet in a novel frame is necessary c. only when station B receives frame with errors d. all of the above
Last Answer : only when no error occurs at the transmission level
Description : A network is a cross between a circuit-switched network and a datagram network. It has some characteristics of both. a. virtual-circuit b. packet-switched c. None of the Given d. frame-switched
Last Answer : a. virtual-circuit
Description : Transport layer receives data in the form of? A. Packets B. Byte streams C. Bits stream D. both packet and Byte stream
Last Answer : B. Byte streamsĀ
Description : At the data link layer, Frame Relayusesa protocol that supports _____control. A) flow B) error C) either (a) or (b D) neither (a) nor (b)
Last Answer : neither (a) nor (b)
Description : Frame Relay has_______. A) only the physical layer B) only thedata link C) the physical and data link layers D) the physical, data link, andnetwork layers
Last Answer : the physical and data link layers
Description : In IPv6,options are inserted between the _________and the ___________ data. A) baseheader;extensionheader B) baseheader;upper-layer data C) base header; frame header D) noneof the abov
Last Answer : baseheader;upper-layer data
Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above
Last Answer : c. Both a & b
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 : In IPv6, options are inserted between the _________ and the ___________ data A. base header; extension header B. base header; upper-layer data C. base header; frame header D. none of the above
Last Answer : B. base header; upper-layer data
Description : Which of the following is not a congestion policy at network layer? a. Flow Control Policy b. Packet Discard Policy c. Packet Lifetime Management Policy d. Routing Algorithm
Last Answer : a. Flow Control Policy
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 : Circuit switching takes place at the________ layer. A) data line B) physical C) network D) transport
Last Answer : physical
Description : The routing processor of arouter performs the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : network
Description : The inputand output portsof a router perform the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : physical and data link
Description : The..............layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation
Description : In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________ a.Application layer b.Transport layer c.Link layer d.Session layer
Last Answer : a.Application layer
Description : In which layer of OSI session is first check and then data is transmitted a. Application layer b. Presentation layer c. Session layer d. Transport layer
Last Answer : c. Session layer
Description : Delimiting and synchronization of data exchange is provided by __________ a. Application layer b. Session layer c. Transport layer d. Link layer
Last Answer : b. Session layer
Description : In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a. Application layer b. Transport layer c. Link layer d. Session layer
Last Answer : d. Session layer
Description : The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. a. network b. presentation c. transport d. data link
Last Answer : b. presentation
Description : The _____ layer lies between the session layer and he application layer. a. network b. transport c. data link d. presentation
Last Answer : d. presentation
Description : The session layer lies between the ______layer and the presentation layer. a. network b. transport c. data link d. application
Last Answer : b. transport
Description : Transport layer can identify the symptoms of overload nodes using _________ a. Flow control b. Traffic control c. Byte orientation d. Data integrity
Last Answer : b. Traffic control
Description : Using which method in transport layer data integrity can be ensured? a. Checksum b. Repetition codes c. Cyclic redundancy checks d. Error correcting codes
Last Answer : a. Checksum
Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly
Last Answer : a. all UDP packets are treated independently by transport layer
Description : Transport layer aggregates data from different applications into a single stream before passing it to ____________ a. network layer b. data link layer c. application layer d. physical layer
Last Answer : a. network layer
Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received ... order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____