True or False K. The ICMP protocol is used by hosts and routers to communicate n

Question

True or False

K. The ICMP protocol is used by hosts and routers to communicate network layer information.

L. (In the quiescent/steady state), the distance vector of a node contains the only the distances between the node and its directly connected neighbors

. M. The link state class of algorithms need not have the global data about the state of the network.

N. The distance vector algorithm is a decentralized algorithm

. O. The error detection/correction techniques ensure that there are absolutely no undetected bit errors.

P. A single parity bit added to data bits can both detect and correct single bit errors.

Q. Multiple access protocols are not needed in wired networks.

R. A point–to–point link may have multiple senders and receivers at the ends of the link.

S. The maximum efficiency of unslotted ALOHA is more than that of slotted ALOHA system.

T. The channel propagation delay is not a factor in the performance of a CSMA system.

Explanation / Answer

K. The ICMP protocol is used by hosts and routers to communicate network layer information. : True

L. (In the quiescent/steady state), the distance vector of a node contains the only the distances between the node and its directly connected neighbors : True

. M. The link state class of algorithms need not have the global data about the state of the network. : False (It needs global data as it falls into global algorithm)

N. The distance vector algorithm is a decentralized algorithm : True its decentralised

O. The error detection/correction techniques ensure that there are absolutely no undetected bit errors : True (Not sure about this )

P. A single parity bit added to data bits can both detect and correct single bit errors: False (single bit parity does not ensure )

Q. Multiple access protocols are not needed in wired networks : False (CSMA CD is used in wired LAN as well)

R. A point–to–point link may have multiple senders and receivers at the ends of the link : False (p-p has one sender and one receiver)

S. The maximum efficiency of unslotted ALOHA is more than that of slotted ALOHA system : False (unslotted ALOHA has less effeciency than slotted mainly 18.7 and 37)

T. The channel propagation delay is not a factor in the performance of a CSMA system. :False ( propagation delay is an important factor in the performance of a CSMA )

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