Podcast
Questions and Answers
The probability of finding the trunk ______ is equal to the proportion of time for which the trunk is busy.
The probability of finding the trunk ______ is equal to the proportion of time for which the trunk is busy.
busy
Traffic intensity is measured in ______.
Traffic intensity is measured in ______.
erlangs
A single trunk (CCS) cannot carry more than one ______, i.e., 𝐴 ≤ 1 for one trunk.
A single trunk (CCS) cannot carry more than one ______, i.e., 𝐴 ≤ 1 for one trunk.
call
The ______ Hour is the hour that has the most number of calls.
The ______ Hour is the hour that has the most number of calls.
The Busy Hour depends on various factors such as ______, weather and international events.
The Busy Hour depends on various factors such as ______, weather and international events.
Traffic intensity = (25+15+18+12)/______ = 1.2 E.
Traffic intensity = (25+15+18+12)/______ = 1.2 E.
The average number of calls in progress during a time T with holding time h is called ______ intensity.
The average number of calls in progress during a time T with holding time h is called ______ intensity.
The duration of a call is called its ______ time because it holds the trunk for that time.
The duration of a call is called its ______ time because it holds the trunk for that time.
The probability of a call lasting at least t sec is given by 𝑃 𝑡 =𝑒 𝑛 𝑇 − 𝑡 ℎ where t/h is the average ______ time.
The probability of a call lasting at least t sec is given by 𝑃 𝑡 =𝑒 𝑛 𝑇 − 𝑡 ℎ where t/h is the average ______ time.
1 ______ represents that circuit occupied for 1-hour, i.e., circuit occupied for entire observation.
1 ______ represents that circuit occupied for 1-hour, i.e., circuit occupied for entire observation.
The maximum capacity of single server is ______ E.
The maximum capacity of single server is ______ E.
The number of calls in progress at different intervals of time for a day is represented by ______.
The number of calls in progress at different intervals of time for a day is represented by ______.
The waiting time is dependent on the following factors: 1) Number of ______ 2) Number of servers
The waiting time is dependent on the following factors: 1) Number of ______ 2) Number of servers
The service depends on two factors: 1) Waiting ______ are selected in first-in first serviced FCFS or FIFO
The service depends on two factors: 1) Waiting ______ are selected in first-in first serviced FCFS or FIFO
Under heavy traffic, ______ occurs
Under heavy traffic, ______ occurs
Probability of waiting (the probability of finding all lines occupied) is equal to ______ > 0 = 𝐶(𝑁, 𝐴) N-1
Probability of waiting (the probability of finding all lines occupied) is equal to ______ > 0 = 𝐶(𝑁, 𝐴) N-1
B = ______ probability for a LCC system
B = ______ probability for a LCC system
For single server systems (N = 1), the probability of delay = ρ, i.e. ______ utilization or traffic carried by the server
For single server systems (N = 1), the probability of delay = ρ, i.e. ______ utilization or traffic carried by the server
Assume that call arrivals are ______ and service time is negative exponential distribution.
Assume that call arrivals are ______ and service time is negative exponential distribution.
The average delay of a call is 𝜇𝑘 = ቊ ______ 𝜇, 𝑘 = 0,1, …, 𝑁.
The average delay of a call is 𝜇𝑘 = ቊ ______ 𝜇, 𝑘 = 0,1, …, 𝑁.
The probability of delay P > t is equal to P(> 0) e^(- ______ t/T_h)
The probability of delay P > t is equal to P(> 0) e^(- ______ t/T_h)
When n = ∞, the above equation reduces to ______’s Delay formula.
When n = ∞, the above equation reduces to ______’s Delay formula.
The average waiting time for all arrivals is W_t_avg = ______ N, A h / (N-A)
The average waiting time for all arrivals is W_t_avg = ______ N, A h / (N-A)
When n = N, the above equation reduces to ______’s – B formula.
When n = N, the above equation reduces to ______’s – B formula.
The probability of ______ is given by the formula 𝑃(𝑘) = 𝜆0 𝜆1 …..𝜆𝑘−1 𝑃(0).
The probability of ______ is given by the formula 𝑃(𝑘) = 𝜆0 𝜆1 …..𝜆𝑘−1 𝑃(0).
The average delay of only those arrivals that get delayed is T_W = h / ______ - A
The average delay of only those arrivals that get delayed is T_W = h / ______ - A
The average service time is given by h = 1 / ______ of the negative exponential service time distribution
The average service time is given by h = 1 / ______ of the negative exponential service time distribution
The probability of delay P(delay) = P(> 0) = ______ = 0.9
The probability of delay P(delay) = P(> 0) = ______ = 0.9
The average waiting time W_t_avg is given by ______ N, A h / (N-A) for a message switching network
The average waiting time W_t_avg is given by ______ N, A h / (N-A) for a message switching network
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