Related Questions

There are blank spaces in the following passage which have been numbered . These numbers are printed below the passage and against each some words are suggested . Find out the word that best fit the blank spaces. Global Strategies to control infective disease have historically included the erection of barriers to international travel and ___ (24) _______. Keeping people with such deadly disease outside national borders has ___ (25) _______ as an important public health policy in the human immunodeficiency virus (HIV) epidemic . Betwwn 29 and 50 countries ___ (26) _____ to have introduced border restrictions on HIV _ positive foreigners ,usually those planning an ___ (27) ___ stay in the country , such as students , workers or seamen.
A migration
B immigrate
C emigration
D immigration
You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
A Token-Ring
B CSMA/CD
C Ethernet
D CSMA/CA
E ARCnet
Who is the eurrent Secretary of Sate of USA?
A Hillary Clinton
B Rex Tlaroson
C Collin L Powell
D Condoleezza Rice
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the
A Pressure
B Temperature
C Both A & B
D Neither A nor B
Kinetic theory of gases assumes that the collisions between the molecules are
A Perfectly elastic
B Perfectly inelastic
C Partly elastic
D Partly inelastic
The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer
A An additional token is added for every 1,000 nodes
B The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
C The network becomes less efficient
D After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
E The network becomes more efficient
Bank X pays a simple interest of TaKa 80 on principal o taka 1,000 annually . Bank y pays a simple interest of TaKa 140 on a principal of Taka 1000 annually . What is the ratio of the interest rates of Bank x to Bank y ?
A 4:7
B 6:8
C 9:18
D 2:7
After driving for fifty kilo-meter, the driver suddenly realized that he has been driving in the wrong direction. Choose the wrong one following sentences.
A After
B realized
C has been driving
D in
After driving for twenty miles, he suddenly realized that he has benn driving in the wrong direction. Identify the word/phrase that must be changed in order for the sentences to be correct.
A After driving
B for
C realized
D has been driving
After driving (a) for twenty miles, he suddenly realized (b) that he has been driving (c) in (d) the wrong direction.
A a
B b
C c
D d

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