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Total questions: 10
Worksheet time: 6mins
A device is sending out data at the rate of 2000bps. How long does it take to send out (a) 100 bits, (b) a single character (c) a file of 100,000 characters?
a. 0.05 sec
b. 0.004 sec
c. 400 sec
a. 0.005 sec
b. 0.004 sec
c. 400 sec
a. 0.005 sec
b. 0.04 sec
c. 400 sec
a. 0.05 sec
b. 0.004 sec
c. 40 sec
List the layers of the Internet model (TCP/IP model).
(a)
Identify which is not the function of Data link layer in model OSI model.
Framing & Link access
Error detection
Error correction
Reliable delivery
Routing
Data in network layer will be in the form of
bits
bytes
packets
layer
In a Wide Area Network (WAN) Inter-processor distance is
100 kM to 10,000 kM
10M to 1 kM
1 m to 10 m
Twisting in a twisted-pair help reduce the __________.
length
cost
noise
None of the choices are correct
Routing tables of a router keeps track of ......
MAC address of assignments
Port assignment to network devices
Distribute IP addresses to network devices
Routes to use for forwarding data to its destination
In a fully-connected mesh network with 10 computers, total ______ number of cables are required and ______ number of ports are required for each device.
40,9
45,10
45,9
50,10
……………… means sending a digital signal over a channel without changing the digital signal to an analog signal.
Baseband transmission
Broadband transmission
Digital transmission
Analog transmission
A digitized voice channel, is made by digitizing a 4 KHz bandwidth analog voice signal. We need to sample the signal at twice the highest frequency (two samples per hertz) Example at twice the highest frequency (two samples per hertz). We assume that each sample requires 8 bits. What is the required bit rate?
6.4kbps
3.2kbps
64kbps
6400bps
