221. Shortcut keys to switch to the next windows?
A: Shift + Tab
B: Alt + tab
C: Alt + Ctrl
D: Ctrl + Tab
222. In order to email a Word document from within MS Word 2016?
A: Save the file as an email attachment
B: File >> Share >> Email
C: Start Outlook and attach the file while open in Word
D: This is an impossible operation
223. The time required to examine the packet’s header and determine where to direct the packet is part of:
A. Processing delay
B. Queuing delay
C. Transmission delay
D. All of the above
224. Traffic intensity is given by, Where L = number of bits in the packet a= average rate R= transmission rate:
A. La/R
B. Lr/A
C. R/LA
D. None of them
225. In the transfer of a file between the server and client, if the transmission rate along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. The throughput is usually:
A. 20 Mbps
B. 10 Mbps
C. 30 Mbps
D. 40 Mbps
226. A congestion-free network exists if the end-to-end delay is given by dend-end= N(dproc + dtrans + dprop). The quantity of switches among source and objective is:
A. N/2
B. N
C. N-1
D. 2N
227. In a network, If P is the only packet being transmitted and there was no earlier transmission, Which of the following delays could be zero:
A. Propagation delay
B. Queuing delay
C. Transmission delay
D. Processing delay
228. Transmission delay does not depend on:
A. Packet length
B. Distance between the routers
C. Transmission rate
D. None of the above
229. Propagation delay depends on:
A. Packet length
B. Transmission rate
C. Distance between the routers
D. None of the above
230. The number of layers in the internet protocol stack:
A. 5
B. 7
C. 6
D. None of the above
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