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

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
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(A) Flow Control Policy
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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

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

The packet sent by a node to the source to inform it of congestion is called _______ A. Explicit B. Discard C. Choke D. Backpressure

Description : The packet sent by a node to the source to inform it of congestion is called _______ A. Explicit B. Discard C. Choke D. Backpressure

Last Answer : C. Choke

Which one of the following is not a function of network layer? a. routing b. inter-networking c. congestion control d. error contro

Description : Which one of the following is not a function of network layer? a. routing b. inter-networking c. congestion control d. error contro

Last Answer : d. error control

Which one of the following is not a function of network layer? a) routing b) inter-networkingc) congestion control d) error control

Description : Which one of the following is not a function of network layer? a) routing b) inter-networking c) congestion control d) error control

Last Answer : d) error control

Which one of the following algorithm is not used for congestion control? a. traffic aware routing b. admission control c. load shedding d. routing information protocol

Description : Which one of the following algorithm is not used for congestion control? a. traffic aware routing b. admission control c. load shedding d. routing information protocol

Last Answer : d. routing information protocol

______ is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on. This method usually generates vast number of duplicate packets.. A. Flooding B. Wait and watch C. congestion D. both a and c

Description : ______ is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on. This method usually generates vast number of duplicate packets.. A. Flooding B. Wait and watch C. congestion D. both a and c

Last Answer : A. Flooding

___ layer perform the host addressing and packet routing. A. Application layer B. Transport layer C. Network layer D. Link layer

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Last Answer : C. Network layer 

Which of the following routing algorithms can be used for network layer design? a. shortest path algorithm b. distance vector routing c. link state routing d. all of the mentioned

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Last Answer : d. all of the mentioned

Which of the following algorithms is not a broadcast routing algorithm ? (A) Flooding (B) Multidestination routing (C) Reverse path forwarding (D) All of the above

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Last Answer : (D) All of the above

In link state routing algorithm after construction of link state packets, new routes are computed using: (1) DES algorithm (2) Dijkstra's algorithm (3) RSA algorithm (4) Packets

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Distance vector routing algorithm is a dynamic routing algorithm. The routing tables in distance vector routing algorithm are updated ........... (1) automatically (2) by server (3) by exchanging information with neighbour nodes. (4) with back up database

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Last Answer : Answer: 3

For which one of the following reasons does Internet Protocol (IP) use the time-to- live (TTL) field in the IP datagram header? a. Ensure packets reach destination within that time b. Discard packets that reach later than that time c. Prevent packets from looping indefinitely d. Limit the time for which a packet gets queued in intermediate routers.

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Last Answer : c. Prevent packets from looping indefinitely

Which among the below stated datagram discard code fields in ICMP is/are generated if a router fails to forward a packet due to administrative filtering? a. Source Route Failed b. Communication Administratively Prohibited c. Host Precedence Violation d. Precedence Cut-off in Effect

Description : Which among the below stated datagram discard code fields in ICMP is/are generated if a router fails to forward a packet due to administrative filtering? a. Source Route Failed b. Communication Administratively Prohibited c. Host Precedence Violation d. Precedence Cut-off in Effect

Last Answer : b. Communication Administratively Prohibited

Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables

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Last Answer : B) End to end delivery

In hierarchical routing with 4800 routers, what region and cluster sizes should be chosen to minimize the size of the routing table for a three layer hierarchy? (A) 10 clusters, 24 regions and 20 routers (B) 12 clusters, 20 regions and 20 routers (C) 16 clusters, 12 regions and 25 routers (D) 15 clusters, 16 regions and 20 routers

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Last Answer : (D) 15 clusters, 16 regions and 20 routers Rooters minimum, then regions minimum, then clusters minimum.

If the sender is a host and wants tosend a packet toanotherhost on another network, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram header B) the IP address of therouter found inthe routing table C) either a or b D) noneof the above

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Last Answer : the IP address of therouter found inthe routing table

Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same destination can take different routes in the network c. IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

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Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

Which of the following statements is true for Branch-and-Bound search? (A) Underestimates of remaining distance may cause deviation from optimal path. (B) Overestimates can’t cause right path to be overlooked. (C) Dynamic programming principle can be used to discard redundant partial paths. (D) All of the above

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Last Answer : (C) Dynamic programming principle can be used to discard redundant partial paths.

In constraint satisfaction problem, constraints can be stated as . (A) Arithmatic equations and inequalities that bind the values of variables (B) Arithmatic equations and inequalities that doesn’t bind any restriction over variables (C) Arithmatic equations that impose restrictions over variables (D) Arithmatic equations that discard constraints over the given variables

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Last Answer : (4) 5 bytes 

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Consider an instance of TCP’s Additive Increase Multiplicative Decrease (AIMD) algorithm where the window size at the start of the slow start phase is 2 MSS and the threshold at the start of the first transmission is 8 MSS. Assume that a timeout occurs during the fifth transmission. Find the congestion window size at the end of the tenth transmission. a. 8 MSS b. 14 MSS c. 7 MSS d. 12 MSS

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Last Answer : c. 7 MSS

In the ________ algorithm of TCP, the size of the congestion window increases exponentially until it reaches a threshold A. slow-start B. congestion avoidance C. congestion detection D. none of the above

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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

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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

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f the sender is a host and wants tosend a packet toanotherhost on the samenetwork, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram header B) the IP address of therouter found inthe routing table C) either a or b D) noneof the above

Description : f the sender is a host and wants tosend a packet toanotherhost on the samenetwork, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram ... the IP address of therouter found inthe routing table C) either a or b D) noneof the above

Last Answer : hedestination IP address in the datagram header

The taskof moving the packet from theinput queue to the output queuein a router is done by_________. A) input and output ports B) routing processor C) switching fabrics D) none of the above

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Congestion control can control traffic entry into a telecommunications network, so to avoid _________ a. Congestive connection b. Connection collapse c. Congestive collapse d. Collapse congestive

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Last Answer : B) ii-False, ii-True

A packet filtering firewall operates at which of the following OSI layer? 1) At the Application layer 2) At the Transport Layer 3) At the Network Layer 4) Both 2 and 3

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Last Answer : 4) Both 2 and 3

A packet filtering firewall operates at which of the following OSI layer? 1 At the Application layer 2 At the Transport Layer 3 At the Network Layer 4 Both 2 and 3

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Last Answer : 4 Both 2 and 3

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Last Answer : B) i, and ii only

When a mobile telephone physically moves from one to another cell, the base station transfers ownership to the cell getting strongest signal. This process is known as................. (A) handoff (B) mobile switching (C) mobile routing (D) cell switching

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Last Answer : (A) handoff